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Location: Barrow (Hybrid) Duration: 6 Month Contract Rate: 89.75 per hour umbrella (Inside IR35) Note: Working on UK eyes only project and must be eligable for SC Overview: The Human Factors team is responsible for ensuring that the product is designed to be operated by the designated operators such that their performance is improved and the potential for human error is minimised. The Human Factors team are involved with all major boat programmes, plus site redevelopment and site safety related work. Deliverables include: To provide Human Factors support to design and analysis tasks in support of the company's programmes and conduct the activities described within the appropriate Human Factors Integration Plan (HFIP). The following activities are those that may be carried out in full or part dependant on the role:- Task, Workload, Situation Awareness and Human Reliability Analysis Workspace analysis Human Machine Interface / Human Computer Interface development Manpower and Target Audience development Health Hazard assessment To produce evidence in support of qualification, legislative requirements and safety justifications and provide specialist support for associated activities. To contribute to identification and rapid closure of issues emerging from all product lifecycle stages and to manage the resulting change embodiment activities. To undertake peer reviews or checking / verification tasks as directed. To provide realistic programme status, identify problem areas and implement agreed recovery plans. To provide support to the Certificate of Design activities appropriate to the discipline. To articulate and present complex technical argument clearly, logically and simply To be able to access, have a clear understanding of and apply the Quality and HSandE Management System documentation e.g. Process Instructions, Workmanship Key Accountabilities and Deliverables To produce human factors analysis, assessment and user trials reports in accordance with the detailed human factors plan. To provide human factors advice to the project. Human factors representation at spatial and technical reviews and decision panels Build good working relationships with the appropriate system engineers Key Knowledge / Skills & Qualifications: Knowledge: A general understanding of the manufacturing, assembly, commissioning and testing processes used within the business. Basic understanding of the challenges posed by the environment that the product will be exposed to. Knowledge of the capabilities and the most appropriate uses of specialised analysis tools. Knowledge or at least recognition of relevant engineering standards (including safety and environmental regulations). Recognition of the limits of own knowledge so that specialist support and development can be sought. Skills: Relevant experience as a Human Factors practitioner. Sufficient experience to be able to identify all the issues involved in area of responsibility. The correct recognition of the context of their work within the overall product. Qualifications: Capable of achieving the appropriate Professional Institution membership level as detailed in the Role Profile, supported by a degree or equivalent in a Human Factors related discipline.

Job Title: Principal Engineer - Test Integration Location: Barrow-in-Furness. On-Site Salary: Up to £57,000 depending on experience What you'll be doing: Utilising technical information gathered from various stakeholders such as design teams to produce test documentation that will evaluate the rigour of the systems under test. Understanding and interpreting the customer needs for integration activities and affect these once agreed as deliverables Undertaking integration testing in line with approved test procedures and taking ownership and responsibility for assigned systems verification and validation activities Investigating complex technical faults and queries of the (to be) integrated systems based on a considerable understanding of the underlying technical design Being able to gain an ample understanding of the underlying technical design of the systems under test and act as a technical liaison between design and commissioning teams on test related topics Compiling and communicating test/fault/investigation evidence and reports in verbal, informal and formal written mediums Developing test strategies and procedures in collaboration with Systems design teams Contributing to the development of the Integration test capability through Process and Facilities workshops, project planning and coaching/mentoring other staff Your skills and experiences: Essential: Relevant qualification or engineering experience held (Degree/HNC/HND or equivalent) Ability to provide technical knowledge & instruction to emergent incidents Knowledge and understanding to provide technical guidance to Control Systems Knowledge and understanding of Electrical Testing and / or Software Testing Experience of Test and Acceptance within a high assurance engineering environment Desirable: Detailed knowledge of safety controls & procedures in an operational environment Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Test & Integration team: As a Principal Integration Test Engineer within the Test & Integration team, you will have the opportunity of developing and performing innovative integration testing, covering specialised systems of state-of-the-art electrical programmable equipment. You will also have a pivotal input to the development and creation of complex test procedures to govern critical de-risking activities. This team plays a critical role in testing the software of vital boat systems, writing test procedures and delivering measures to significant stages of the submarine build, and is a team that is expected to grow rapidly, allowing for development opportunities. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 4th December 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Rural Surveyor Vacancy ID: 53344 DM This role is not eligible for UK Visa Sponsorship - the successful applicant will need to have a pre-existing Right to Work in the UK in order to be offered an employment contract. Are you a Rural Surveyor looking to broaden your consultancy experience within a nationally recognised firm? Looking for a role where your rural expertise genuinely influences landowners, estates, and communities? Looking for more than just another rural surveying role? Company This is a well-established and highly respected rural surveying practice with a strong presence in the market. The business has built long-standing relationships with landowners, estates, farmers, and institutional clients, underpinned by a reputation for technical excellence, trusted advice, and professional integrity. Role Overview An exciting opportunity has arisen for an experienced Rural Chartered Surveyor to join our Rural Consultancy team based in Norwich. As a Rural Consultant, you will provide expert professional advice across a broad range of rural property matters, including compulsory purchase, estate and land management, and valuation. The role offers the opportunity to work with a diverse client base while contributing to the continued growth and success of the wider Rural division. Location: Norwich Salary Package: 60,000 - 68,000 basic salary depending on skills and experience Key Responsibilities Deliver professional advice on compulsory purchase and compensation matters Provide estate and land management services to a range of rural clients Undertake valuation work in line with professional standards Advise clients on property and land law matters Support strategic business, asset, and land management initiatives Build and maintain strong client relationships Contribute to business development and growth opportunities Work collaboratively within the team while managing workloads independently Skills, Knowledge and Experience Proven experience within the rural property and agricultural sector Strong technical knowledge across rural consultancy disciplines, including: Compulsory purchase Estate and land management Property and land law Strategic asset management Valuation principles Strong organisational skills with the ability to adapt in a fast-paced environment Excellent written and verbal communication skills, with the ability to engage and influence clients, professionals, and the wider rural community How to apply: Please click on the APPLY NOW button. Please send your CV to: Donna Morgan - Principal Recruiment Manager As we are a specialist recruitment business within the Agricultural and Farming industry, we do require that ALL applicants must hold an NVQ Level 2, Scottish NVQ Level 2 or an equivalent qualification which is relevant and necessary for the job that you are applying for. We thank all applicants who apply for this role. However, please be advised that only those short listed for an interview will be contacted. Please be assured that your job application will be managed in complete confidence and your personal details will not be passed to any third party without your prior permission. Established in 2013, Agricultural and Farming Jobs provide outstanding recruitment head-hunting and job advertising services. We are the trusted recruitment partner of choice to industry leading organisations across the UK and Internationally. We recruit specifically for all roles within the sectors of: Agriculture, Farming, Horticulture, Food and Fresh Produce, Vet, Pet and Animal Health, Agrochemicals, Fertilisers and Seeds, Software and Technology, Machinery, Technical and Engineering and specialist Education.

Job Title: Principal Engineer - Test Integration Location: Barrow-in-Furness. On-Site Salary: Up to £57,000 depending on experience What you'll be doing: Utilising technical information gathered from various stakeholders such as design teams to produce test documentation that will evaluate the rigour of the systems under test. Understanding and interpreting the customer needs for integration activities and affect these once agreed as deliverables Undertaking integration testing in line with approved test procedures and taking ownership and responsibility for assigned systems verification and validation activities Investigating complex technical faults and queries of the (to be) integrated systems based on a considerable understanding of the underlying technical design Being able to gain an ample understanding of the underlying technical design of the systems under test and act as a technical liaison between design and commissioning teams on test related topics Compiling and communicating test/fault/investigation evidence and reports in verbal, informal and formal written mediums Developing test strategies and procedures in collaboration with Systems design teams Contributing to the development of the Integration test capability through Process and Facilities workshops, project planning and coaching/mentoring other staff Your skills and experiences: Essential: Relevant qualification or engineering experience held (Degree/HNC/HND or equivalent) Ability to provide technical knowledge & instruction to emergent incidents Knowledge and understanding to provide technical guidance to Control Systems Knowledge and understanding of Electrical Testing and / or Software Testing Experience of Test and Acceptance within a high assurance engineering environment Desirable: Detailed knowledge of safety controls & procedures in an operational environment Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Test & Integration team: As a Principal Integration Test Engineer within the Test & Integration team, you will have the opportunity of developing and performing innovative integration testing, covering specialised systems of state-of-the-art electrical programmable equipment. You will also have a pivotal input to the development and creation of complex test procedures to govern critical de-risking activities. This team plays a critical role in testing the software of vital boat systems, writing test procedures and delivering measures to significant stages of the submarine build, and is a team that is expected to grow rapidly, allowing for development opportunities. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 4th December 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal HVAC Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of cutting-edge HVAC systems, ensuring they meet demanding performance, safety, and environmental standards Create and review high-impact engineering artefacts - from specifications and P&IDs to calculations and 3D models Drive advanced thermal, airflow, and pressure analyses toto validate system performance in challenging conditions Transform complex requirements into robust, innovative, and verifiable design solutions that set the benchmark for excellence Guide and influence engineers, suppliers, and design partners, shaping best-in-class HVAC integration across the platform Enhance design standards and evaluate specialist equipment, contributing to reviews, hazard assessments, and lifecycle verification Your skills and experiences: Strong technical expertise in HVAC and mechanical system design, including psychometrics, thermal analysis , equipment specification, schematics and system balancing Proven experience working in complex or regulated industries, with knowledge of standards such as ISO 15138, BS EN 378, ASHRAE, or CIBSE Skilled in system performance assessment, design validation, modelling, and failure analysis Awareness of multi-disciplinary system integration challenges across structures, electrical, controls , safety, and installation Excellent technical communication and reporting abilities, engaging both internal and external stakeholders STEM degree (or equivalent experience), ideally working toward or holding professional registration (CEng preferred) Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Platform Mechanical Integrated Delivery Team: As a Principal HVAC Design Engineer, you'll be at the forefront of one of the UK's most advanced engineering programmes - leading the delivery of complex HVAC systems that shape the future of submarine platforms. You'll take ownership of high-impact systems, provide trusted technical authority, and work across multiple disciplines to drive innovative solutions into reality. You'll be part of the Platform Mechanical Integrated Delivery Team - a fast-moving, highly collaborative group of specialists pushing the boundaries of submarine engineering. This is a unique opportunity to work alongside experts from diverse backgrounds and partner organisations, contributing to mechanical capabilities that are critical to the success of the entire platform We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 15th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Test Integration Location: Barrow-in-Furness. On-Site Salary: Up to £57,000 depending on experience What you'll be doing: Utilising technical information gathered from various stakeholders such as design teams to produce test documentation that will evaluate the rigour of the systems under test. Understanding and interpreting the customer needs for integration activities and affect these once agreed as deliverables Undertaking integration testing in line with approved test procedures and taking ownership and responsibility for assigned systems verification and validation activities Investigating complex technical faults and queries of the (to be) integrated systems based on a considerable understanding of the underlying technical design Being able to gain an ample understanding of the underlying technical design of the systems under test and act as a technical liaison between design and commissioning teams on test related topics Compiling and communicating test/fault/investigation evidence and reports in verbal, informal and formal written mediums Developing test strategies and procedures in collaboration with Systems design teams Contributing to the development of the Integration test capability through Process and Facilities workshops, project planning and coaching/mentoring other staff Your skills and experiences: Essential: Relevant qualification or engineering experience held (Degree/HNC/HND or equivalent) Ability to provide technical knowledge & instruction to emergent incidents Knowledge and understanding to provide technical guidance to Control Systems Knowledge and understanding of Electrical Testing and / or Software Testing Experience of Test and Acceptance within a high assurance engineering environment Desirable: Detailed knowledge of safety controls & procedures in an operational environment Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Test & Integration team: As a Principal Integration Test Engineer within the Test & Integration team, you will have the opportunity of developing and performing innovative integration testing, covering specialised systems of state-of-the-art electrical programmable equipment. You will also have a pivotal input to the development and creation of complex test procedures to govern critical de-risking activities. This team plays a critical role in testing the software of vital boat systems, writing test procedures and delivering measures to significant stages of the submarine build, and is a team that is expected to grow rapidly, allowing for development opportunities. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 4th December 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Skanska, one of the world's leading project development and construction groups, is an inclusive and responsible business that is helping to build a better society. We are looking for a Principle Engineer to join our Infrastructure team based in Watford, Hertfordshire. You'll be responsible for the technical delivery of a portfolio of small projects or of a larger project in the Buildings team, reporting to a Senior Project Engineer. What you'll do: Sound approach to the application of engineering practice and enabling exploitation of new and advancing technology and continuous improvement. Preparation of outline & detailed design in accordance with the relevant design standards. Preparation of clear and well structured design calculations, reports, drawings and other deliverables. Experience of BIM led design, and ability to use common structural design software tools such as Autodesk Robot Structural Analysis, SCIA Engineer or STAAD Pro. Manage the planning, direction and control of tasks, people and resources to deliver successful projects to agreed time and cost expectations. Prepare and control project budgets and have a high level of commercial and contractual understanding. Brief and coordinate the work of others to ensure the timely and technically robust delivery of project scope. Managing, building and developing excellent customer relationships. What you'll bring to the role: Degree in Civil Engineering or a relevant qualification. Good working knowledge, understanding and experience of the applicable Eurocodes, UK Industry Codes of Practice and ability to mentor others in their application Willingness to attend site visits and work on buildable solutions. UK/EEC driving licence. Chartered membership of an appropriate Professional body. Equal opportunities We thrive through embracing differences, whether they be social backgrounds, ethnicity, disability, gender identity or expression, age, religion, sexual orientation and any other protected characteristic - we know that diversity opens a rich potential for new ways of thinking, helping us to build successful and high performing teams. We call it Naturally Skanska. We welcome you to ask about flexibility at interview stage and we will explore what is possible for the role. Reasonable adjustments We would like you to perform at your best at every stage of our recruitment process. Please contact us using or call - Option 5 & 1, if you require any adjustments that would support you throughout your application. More information about the role Please note this is an advert for our job vacancy, and therefore may not be inclusive of all assigned duties, responsibilities, or aspects of the role described, and may be amended at any time at the sole discretion of Skanska. For a full role profile, please contact us: The closing date for this vacancy may be subject to change any time at the sole discretion of the business. We are a 2024 Circle Back Initiative Employer - we commit to respond to every applicant.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal HVAC Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of cutting-edge HVAC systems, ensuring they meet demanding performance, safety, and environmental standards Create and review high-impact engineering artefacts - from specifications and P&IDs to calculations and 3D models Drive advanced thermal, airflow, and pressure analyses toto validate system performance in challenging conditions Transform complex requirements into robust, innovative, and verifiable design solutions that set the benchmark for excellence Guide and influence engineers, suppliers, and design partners, shaping best-in-class HVAC integration across the platform Enhance design standards and evaluate specialist equipment, contributing to reviews, hazard assessments, and lifecycle verification Your skills and experiences: Strong technical expertise in HVAC and mechanical system design, including psychometrics, thermal analysis , equipment specification, schematics and system balancing Proven experience working in complex or regulated industries, with knowledge of standards such as ISO 15138, BS EN 378, ASHRAE, or CIBSE Skilled in system performance assessment, design validation, modelling, and failure analysis Awareness of multi-disciplinary system integration challenges across structures, electrical, controls , safety, and installation Excellent technical communication and reporting abilities, engaging both internal and external stakeholders STEM degree (or equivalent experience), ideally working toward or holding professional registration (CEng preferred) Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Platform Mechanical Integrated Delivery Team: As a Principal HVAC Design Engineer, you'll be at the forefront of one of the UK's most advanced engineering programmes - leading the delivery of complex HVAC systems that shape the future of submarine platforms. You'll take ownership of high-impact systems, provide trusted technical authority, and work across multiple disciplines to drive innovative solutions into reality. You'll be part of the Platform Mechanical Integrated Delivery Team - a fast-moving, highly collaborative group of specialists pushing the boundaries of submarine engineering. This is a unique opportunity to work alongside experts from diverse backgrounds and partner organisations, contributing to mechanical capabilities that are critical to the success of the entire platform We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 15th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Engineer - Test Integration Location: Barrow-in-Furness. On-Site Salary: Up to £57,000 depending on experience What you'll be doing: Utilising technical information gathered from various stakeholders such as design teams to produce test documentation that will evaluate the rigour of the systems under test. Understanding and interpreting the customer needs for integration activities and affect these once agreed as deliverables Undertaking integration testing in line with approved test procedures and taking ownership and responsibility for assigned systems verification and validation activities Investigating complex technical faults and queries of the (to be) integrated systems based on a considerable understanding of the underlying technical design Being able to gain an ample understanding of the underlying technical design of the systems under test and act as a technical liaison between design and commissioning teams on test related topics Compiling and communicating test/fault/investigation evidence and reports in verbal, informal and formal written mediums Developing test strategies and procedures in collaboration with Systems design teams Contributing to the development of the Integration test capability through Process and Facilities workshops, project planning and coaching/mentoring other staff Your skills and experiences: Essential: Relevant qualification or engineering experience held (Degree/HNC/HND or equivalent) Ability to provide technical knowledge & instruction to emergent incidents Knowledge and understanding to provide technical guidance to Control Systems Knowledge and understanding of Electrical Testing and / or Software Testing Experience of Test and Acceptance within a high assurance engineering environment Desirable: Detailed knowledge of safety controls & procedures in an operational environment Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Test & Integration team: As a Principal Integration Test Engineer within the Test & Integration team, you will have the opportunity of developing and performing innovative integration testing, covering specialised systems of state-of-the-art electrical programmable equipment. You will also have a pivotal input to the development and creation of complex test procedures to govern critical de-risking activities. This team plays a critical role in testing the software of vital boat systems, writing test procedures and delivering measures to significant stages of the submarine build, and is a team that is expected to grow rapidly, allowing for development opportunities. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 4th December 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal HVAC Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of cutting-edge HVAC systems, ensuring they meet demanding performance, safety, and environmental standards Create and review high-impact engineering artefacts - from specifications and P&IDs to calculations and 3D models Drive advanced thermal, airflow, and pressure analyses toto validate system performance in challenging conditions Transform complex requirements into robust, innovative, and verifiable design solutions that set the benchmark for excellence Guide and influence engineers, suppliers, and design partners, shaping best-in-class HVAC integration across the platform Enhance design standards and evaluate specialist equipment, contributing to reviews, hazard assessments, and lifecycle verification Your skills and experiences: Strong technical expertise in HVAC and mechanical system design, including psychometrics, thermal analysis , equipment specification, schematics and system balancing Proven experience working in complex or regulated industries, with knowledge of standards such as ISO 15138, BS EN 378, ASHRAE, or CIBSE Skilled in system performance assessment, design validation, modelling, and failure analysis Awareness of multi-disciplinary system integration challenges across structures, electrical, controls , safety, and installation Excellent technical communication and reporting abilities, engaging both internal and external stakeholders STEM degree (or equivalent experience), ideally working toward or holding professional registration (CEng preferred) Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Platform Mechanical Integrated Delivery Team: As a Principal HVAC Design Engineer, you'll be at the forefront of one of the UK's most advanced engineering programmes - leading the delivery of complex HVAC systems that shape the future of submarine platforms. You'll take ownership of high-impact systems, provide trusted technical authority, and work across multiple disciplines to drive innovative solutions into reality. You'll be part of the Platform Mechanical Integrated Delivery Team - a fast-moving, highly collaborative group of specialists pushing the boundaries of submarine engineering. This is a unique opportunity to work alongside experts from diverse backgrounds and partner organisations, contributing to mechanical capabilities that are critical to the success of the entire platform We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 15th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you'll be doing: Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements Create and review high-value engineering deliverables - for schematics and P&IDs to calculations, system descriptions, and 3D models Drive advanced system analyses , including flow, pressure, thermal, and transient modelling to validate performance under challenging conditions Select and assess critical equipment (pumps, compressors, valves, heat exchangers, filters, tanks), ensuring it meet tough submarine operating environments Champion technology integrity by reviewing supplier documentation, ensuring full compliance with shock, vibration, atmosphere, temperature, maintainability, and access constraints Influence design quality and safety, contributing to reviews, hazard studies, verification activities, and resolution of technical issues, modifications, and non-conformances Your skills and experiences: Essential: Educated to degree level, with Chartered Engineer status highly desirable Solid background in mechanical, marine, process, or fluid systems engineering gained with a complex or highly regulated environment Strong knowledge of fluid dynamics, thermodynamics, pressure-drop behaviour, transient analysis , and system performance modelling Demonstrated technical expertise in the design, analysis , and integration of both compressible and incompressible fluid systems Desirable: Experience using industry-standard modelling and analysis tools such as FloMASTER, FluidFlow, MATLAB, CFD packages, ANSYS, or similar Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Mechanical Engineering Discipline team: This is an exciting opportunity to join the SSN AUKUS Platform Mechanical Integrated Delivery Team as a Principal Mechanical Design Engineer, where you'll serve as a technical specialist for some of the submarine's most critical compressible and incompressible fluid systems. In this role, you'll take ownership of high-integrity mechanical designs that must perform flawlessly within one of the most demanding engineering environments in the world. You'll shape complex system solutions, influence platform-level decisions , and ensure designs meet the rigorous performance, safety, and environmental requirements unique to submarine engineering. This a chance to work at the forefront of next-generation naval capability, tackling challenging technical problems and contributing directly to one of the UK's most advanced defence programmes. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 16th January 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Role: Principal Systems Engineer(Technical Lead) Location: Portsmouth(Predominantly onsite with occasional remote working ) Duration: 6 months Inside IR35 : Umbrella The Role As a Principal System Engineer, you will be leading a team of Engineers to deliver the required STEATS (Synthetic Test Environment and Analysis Tools Service) capabilities in support of the NCSISS (Naval Combat Systems Integratio