25 jobs found

Position Senior HVAC Service Engineer / AC Technician - VRV / VRF - Fault Find and Fix - Manufacturer Training & Software Service Checker Tool Experience Company Large National M&E provider with a national team of AC service engineers Location Wiltshire Industry Commercial HVAC / Air conditioning / AC A/C / Refrigeration and Air Conditioning, Chillers, Heat Pumps, Desired Experience Air conditioning service and maintenance engineer, fault find and fix, PPM's. The Role A leading national mechanical engineering provider seeks a Senior HVAC Service and Maintenance Engineer to add to their Southern HVAC team. You will be focused on commercial planned preventive maintenance contracts and emergency fault find and fix call outs on commercial HVAC VRF / VRV air conditioning systems from the main HVAC manufacturers. Experience Required You will have extensive previous hands-on experience servicing HVAC systems. Ideally you will be highly capable at fault find and fix. F-Gas, hydrocarbons, refrigeration and air conditioning qualifications / certifications and manufacturer training would be an advantage. Great teamwork and communication skills are also important both from a client facing perspective and internal regional team cooperation to service contracts and resolve fault find and fix call outs both quickly and effectively. If you have worked your way up on the tools as an apprentice and are highly knowledgeable with or without Level 2 or Level 3 HVAC certifications then please still apply. Experience with chillers and commercial heat pumps will be of additonal benefit. The Company This is a long-established company that prides itself on having excellent company morale and career development. The company is one of the largest M&E service providers nationally and due to growth of the companies national contracts they are looking to add to their London team. Their HVAC service engineers all have extensive and advanced knowledge on servicing HVAC systems from the top air conditioning manufacturers and their Senior Service Engineers are highly skilled at advanced fault finding and fixing. The Package Initial indications are a base salary up to £55,000 with bonus 37hrs per week with additional overtime and no weekend shift rota. A company van or van allowance will be provided along with pension, private healthcare and dental. Furthermore, 27 days holiday + bank holidays. Jamieson Clark currently has over 50 live roles to offer and specialise in sales recruitment. Current vacancies for HVAC Service Engineers, Air Conditioning Service Engineers, HVAC Install Engineers, Air Conditioning Service Engineers, Product Managers, Contract Engineers, Pre-Sales Technical Engineers, Sales Engineers, Sales Executives, Business Development Managers and Sales Managers providing air conditioning systems, central plant, fan coils, HVAC, heat recovery, heat exchangers, split systems, ducted, cassette, ceiling suspended, wall mounted, variable refrigerant flow, VRF, VRV, DX, Refrigeration, AHU s, Air Handling Units, close control, Chillers, BMS, water cooled air conditioning units and other product & service based sectors. Send your CV to a consultant for advice on your next career move.

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: 19th 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.

Join us, be part of more. Were so much more than an energy company. Were a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesnt rely on fossil fuels whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. Thats why working here is . We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. About your team: At British Gas, our mission is to sell it and mend it. Weve been powering the UKs homes and businesses for over 200 years but supplying energy is just part of what we do. Were making the UK greener and more energy efficient, getting closer to Net Zero. By using clever tech like thermostats, heat pumps, solar panels and EV chargers, were making it cheaper and easier for our customers to reduce their carbon-footprint. About your role: We need White Goods engineers to join our team of experienced Engineers, to ensure that our customers get the help they need, when they need it. You will play a pivotal part in our British Gas' Service Promise! of same day fix for our customers. Base Salary is £38,589 with uncapped OTE - £47,000 is a realistic expectation through our fantastic field reward scheme. London Weighting applied where applicable. Being there for our customers is our priority. You will be attending customers home to repair and maintain an array of white goods and appliances. You will have plenty of support from our managers, mentors, and engineer colleagues but some of the jobs can be challenging and you will need a minimum of 2 years on the job experience to tackle most jobs. Here's what were looking for: Extensive, evidenced experience in the repair and/or maintenance of a wide range of white goods including dishwashers, washing machines, refrigerators, tumble dryers and microwaves. In addition to your technical expertise, your customer service skills and ability to solve problems will enable you to diagnose defects, work safely to ensure a first-time fix for your customer. Why should you apply? Were not a perfect place but were a people place. Our priority is supporting all of the different realities our people face. Life is about so much more than work. We get it. Thats why weve designed our total rewards to give you the flexibility to choose what you need, when you need it, making sure that you and your family are supported not only financially, but physically and emotionally too. Visit the link below to discover why were a great place to work and what being part of more means for you. morethanacareer.energy/britishgas If you're full of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority. Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey. JBRP1_UKTJ

Job Title: Electrical Maintenance Engineer Location: Burnley Contract: Permanent Salary: £41,000 + Benefits (Day Shift) Shifts: Day Shift initially Rotating Day/Back Shift from April/May 2026 Callouts: 1 in 6 rotations after probation (Mon 07:00 following Mon 07:00) All candidates will work permanent days until April/May 2026, after which a 4-week Days / 4-week Back Shift rotation will begin. No callouts during Back Shift. Back Shift: Mon-Thu 15:00-23:30, Fri 11:00-16:00 (% premium) Who we are & what's on offer Our client is a global leader in advanced aerospace engineering, specialising in the design, manufacture, and integration of aircraft engine nacelle systems. Their culture is built on four key principles Promoting diversity and inclusion Developing skills and career opportunities Creating a trustworthy and supportive workplace Encouraging collaboration and shared success You'll join a high-performing engineering function where safety, innovation, and continuous improvement drive everything they do. The Opportunity We're looking for an Electrical Maintenance Engineer to join the on-site Reliability & Maintenance Engineering team. Working in a fast-paced production environment, you'll play a vital role in ensuring the safe, reliable operation of key manufacturing equipment. What you'll be doing Completing planned preventative maintenance across a variety of production machinery Responding to breakdowns and applying safe, effective electrical fault finding techniques Diagnosing root causes and contributing to improvement initiatives Providing clear, structured reporting of maintenance findings Supporting the wider team with electrical expertise and cross functional collaboration Equipment & systems you may work with CNC machinery Automation and control systems Heat treatment processes Pneumatics and hydraulics Pressure systems, compressors, vacuum pumps Electrical schematics and drawings PLC I/O fault diagnostics Shift Overview Day Shift (until April/May 2026): Mon Fri 07 00 Day/Back Shift Rotation (from mid 2026): 4 week Days 4 week Back Shift Back Shift: Mon Thu 15 30, Fri 11 % shift premium Call out rota begins after probation (1 in 6). What you'll need to succeed You'll be a skilled electrical engineer with strong diagnostic capability and a proactive approach to maintenance. Essential Time served Electrical Engineering apprenticeship or equivalent experience Strong electrical maintenance and fault finding ability Ability to interpret electrical schematics Experience using maintenance management systems (e.g., SAP) Logical PLC fault finding capability Effective communication and teamwork skills Good mechanical appreciation Desirable Knowledge of RCM and Condition Based Monitoring IPAF and FLT training provided if required Why join the team? You'll benefit from a generous and well rounded package: Core Benefits 33 days annual leave (incl. bank holidays) Buy up to 5 additional days 10% employer / 5% employee pension contribution 4 life assurance Group income protection Professional and career development support Enhanced family leave and sick pay Subsidised hot and cold meals on site Share purchase scheme with free shares Corporate gym/spa discounts Wellbeing programme (24/7 helpline, remote GP, physio, second opinions) Cycle to Work scheme and retail discounts Long service awards Flexible working support Additional Perks £1,000 employee referral bonus On site EV charging Fully funded quarterly team building events Hospitality prize draw opportunities

Salary and Benefits Competitive Company Van and Fuel Card 24 days holiday per year Pension with 4% salary sacrifice scheme and employer contribution Death in Service benefit of 4 x salary Employee Assistance Programme Health Cash Plan Enhanced Family Friendly Policies Long Service Awards Additional holiday days based on length of service Cycle to work scheme The Role As our Commercial Gas Engineer, you will be responsible for maintaining property services by delivering planned and reactive maintenance to an agreed programme, budget, and quality within the company's operational targets. Minimum of 5 years of Commercial Gas experience Familiarity with relevant gas safety standards and regulations Act as the primary point of contact for all gas-related matters, ensuring adherence to industry standards and regulations Conduct Planned Preventative Maintenance to all types of Commercial Boilers and Plant Room Equipment as per maintenance schedules Attend reactive calls, diagnose faults, fit parts, and conduct repairs to boilers and ancillary mechanical systems such as pumps, valves, pipework, etc. Sound knowledge of Heating, Hot Water system operation and control with understanding of system design Installation experience of replacement plant and components such as boilers, burners, pumps, pressurisation units, valves, pressure switches, automatic air vents, etc. Installation pipework to include safe isolation of systems repairs and modification. Ability to conduct repairs within communal areas to radiators, valves, and pipework Identify faults and report issues in a timely manner. Consult with suppliers to obtain the necessary replacement component costs to include labour requirements and submit these to the Commercial Gas team as required Complete digital records PPMs planned works and reactive repairs for each task using Aston Group's ACIMs software Comply with safe working practices ensuring the safety of the workforce and public is always maintained Liaise with all stakeholders as required to ensure a high-quality service is delivered and a high level of customer satisfaction is achieved Responsible for the delivery of planned commitments to the client, ensuring agreed KPI's and service levels are met Maintain a high standard of customer service for all internal and external facing activities Attend toolbox talks Pass Enhanced DBS checks Comply with the company's Health and Safety Policy at all times and follow all related safe systems of work Undertake call out duties on a scheduled out of hours call out rota as required Responsible for care and maintenance of vehicle; wash vehicle and clean interior; take vehicle to garage for maintenance and repair Report any vehicle malfunctions to management as soon as possible Working hours will be Monday to Friday, 08:00 am to 17:00 pm, and flexibility with working hours is essential as overtime will be required from time to time. The Candidate To be considered for our Commercial Gas Engineer role, you will have the following skills and experience: Qualifications CCN1, CENWAT, HTR1, CKR1 DAH1 CODNCO1 CORT1 CIGA1 ICPN1 TPCP1A TPCP1 (desirable) BMP1 (desirable) IPAF/PASMA qualifications (desirable) Experience Experience as a suitably qualified Commercial Gas Engineer working in commercial and at times domestic dwellings within a commercial setting Appropriate industry qualifications Time served in a Commercial Gas setting, essential Plumbing pipework skills, copper, steel including pipe threading and mechanical pressing where required Basic electrical skills Understanding of Heating, Hot Water and Mechanical systems Use and ability to train in the use of PDA devices and company software Skills/Knowledge The ability to establish and maintain effective, professional working relationships with internal and external stakeholders Excellent communication and interpersonal skills Work as part of a team Maintain a valid full clean driving licence About Aston Group We are an established, family run, privately owned business that has been setting standards for efficiency, innovation and quality for over 60 years. We are passionate about providing an excellent service to our clients and stakeholders and pride ourselves on the quality of our works and industry reputation. Our values are at the heart of everything we do: building trust, driving quality, delivering together and having respect. We take pride in our colleagues, supporting their hard work and dedication, enabling us to thrive as a team. To find out more please visit Our Commitment to Equal Opportunities You don't need to tick all the boxes! We invest heavily in learning and development to bridge any gaps. Our commitment to building and maintaining a diverse, inclusive, and representative workforce is a priority. We encourage applications from people from all backgrounds and welcome you to join a team that celebrates individual cultures and identities. If you have any accessibility needs that require extra attention, please let us know. For more information please visit If you feel you have the skills for the Commercial Gas Engineer, please apply now!

Industrial Refrigeration Engineer - Midlands - 52K Employment Type: Full-Time, Permanent Location: Midlands (Coventry and surrounding areas) Overview An established and growing refrigeration contractor is seeking experienced Industrial Refrigeration Engineers to join their expanding team in the Midlands. This role involves service, maintenance, and troubleshooting of industrial and commercial refrigeration systems across sectors such as food processing, pharmaceuticals, manufacturing, and storage. This is an excellent opportunity for a skilled engineer with strong ammonia experience looking for a long-term position within a stable, technically focused business. Key Responsibilities Service, maintain, and fault-find across a range of industrial refrigeration and cooling systems. Diagnose and repair faults on both new and existing installations. Carry out planned preventative maintenance and reactive service calls. Single and two-stage pumped ammonia systems CO systems Blast chillers and freezers Cooling tunnels, plate and spiral freezers Glycol chiller systems (all refrigerants) Adiabatic cooling systems Ice machines and ice banks Standard DX systems Heat recovery systems and votators Ensure all work complies with F-Gas and ammonia safety regulations. Maintain accurate service documentation. Participate in the on-call rota and respond to breakdowns as required. Sectors Covered Food processing and manufacturing Storage and distribution Pharmaceutical facilities Petrochemical and process cooling Essential Requirements Proven experience in the service, maintenance, and troubleshooting of industrial refrigeration systems. Valid F-Gas certification and Ammonia Safe Handling training. City & Guilds Level 2 or 3 in Refrigeration and Air Conditioning (or equivalent). Strong fault-finding skills on both mechanical and electrical systems. Ability to work independently and as part of a team. Excellent communication and customer service skills. Full UK driving licence. Right to work in the UK. Willingness to travel across the Midlands and occasionally further afield. Desirable Experience with CO and hydrocarbon systems. Experience in installation and commissioning. Electrical or controls knowledge. Package & Benefits £38,000 - £52,000 (depending on experience) 50-hour week (including travel time allowance). Any hours required in excess of this are paid at overtime at the rate of time and a half. Paid at 1.5x, 2x after midnight/Sundays 1 in 4/5 (standby £200) Company van with personal use and fuel card Laptop, tools, uniform, and PPE provided 25 days + bank holidays Pension scheme Ongoing training and development opportunities Location & Travel Engineers will be based in the Midlands region with occasional travel outside the region may be required.

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: 19th 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: 19th 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: 19th 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: 19th 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: 19th 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: 19th 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: 19th 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: 19th 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: 19th 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: 19th 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.