AlíaGestiónIntegraldeServicios,S.L.U
Principal Process Engineer - Water & Wastewater Projects Ayesa London, United Kingdom Process Engineering Hybrid Company Description Ayesa is a globally oriented, forward-thinking company deeply committed to fostering diversity, inclusion, equity, and sustainability. These principles form the bedrock of our dedication to our 13,000 employees and serve as the driving forces behind our spirit of innovation. With a presence in 23 countries worldwide, Ayesa has earned a prominent international reputation in various engineering fields, including infrastructure, water conveyance and treatment systems, transportation, marine projects, waste management, aeronautics, and defense. Additionally, Ayesa is a well-established technology consultancy, specializing in facilitating the digital transformation of large corporations, particularly in the utilities sector, and providing technological solutions for public institutions. As a technology and engineering firm, we complement our technological proficiency with the capacity to design physical infrastructures. This includes crafting distinctive buildings that imbue cities with character, designing iconic bridges that seamlessly blend into their surroundings, creating transportation systems such as high-speed roads, intelligent roadways, stations, and airports that serve as the backbone of regions, and engineering remotely controlled networks for energy and water distribution, driving urban and demographic development. Position The Opportunity As a Principal Process Engineer within the Water Infrastructure Team, you will play a senior technical and leadership role, primarily responsible for the design, coordination, and delivery of process engineering solutions within water, wastewater, sewage treatment and utilities sectors, with the potential to expand into energy, transport, and environmental infrastructure sectors. Lead the process design for treatment plants, pumping stations, pipelines, and utility systems. Define treatment process schemes, undertake mass balance and hydraulic calculations, and specify equipment (e.g. aeration systems, chemical dosing, sludge handling). Ensure designs meet UK regulations, standards, and client specifications, such as DWI, EA, or Ofwat requirements. Carry out design reviews, challenge assumptions, and sign off key deliverables to ensure technical robustness. Oversee multidisciplinary coordination - integrating process design with civil, mechanical, electrical, and control system disciplines. Develop and manage process flow diagrams (PFDs), P&IDs, design reports, and technical specifications. Ensure all work aligns with BIM and digital design workflows where applicable. Present designs and/or scribe HAZOP, HAZID, and SIL studies. Lead or support design and build (D&B) projects, working closely with contractors, utilities and delivery partners. Manage project scope, schedules, and budgets while maintaining high technical standards. Oversee process commissioning, testing, and performance verification on site when projects move into delivery phases. Guide and mentor junior process engineers and graduates. Lead internal design reviews and promote best practices in process design, sustainability, and digital delivery. Engage directly with clients at a senior level - helping shape project briefs, proposals, and process solutions. Contribute to business development, proposal writing, and framework management with key UK utilities. Key Accountabilities Integrate within our multi-disciplinary design team to deliver robust design solutions to clients Interface with other engineering disciplines including civil, M&E and structural Ability to communicate effectively with clients and senior staff Ability to manage a challenging workload. A team player with a mature approach including first-class inter-personal skills Adheres to all Codes of Practice, Design Standards and Health & Safety Regulations Represent and promote Ayesa in a professional manner and develop effective working relationships with clients and potential clients Management of projects in compliance with Ayesa's Integrated Management System (IMS) Requirements What You Bring Experience & Qualifications: Minimum of 10 years' experience in water treatment and/or wastewater & industrial effluent treatment. Has achieved Chartered status A degree and ideally a master's in chemical/process / environmental Engineering Skills & Knowledge Deep understanding of the principles of water treatment and/or wastewater & industrial effluent treatment Proven track record in the development of process solutions in industrial and municipal settings, and in accordance with specifications used in Ireland and United Kingdom Proven track record in process selection, process design, application engineering, proposal support and operational support Proven track record in the development of the whole cycle of the treatment process from the concept to the detailed design stage Has undertaken preliminary and detailed design of water / wastewater treatment plants based on data provided and achieved the desired treatment criteria Demonstrate an ability to develop drawings of equipment and plant layouts as required Developing PFDs (Process Flow Diagrams) and P&IDs (Process & Instrumentation Drawings) Demonstrate an ability to develop process mass balance, hydraulic, energy, mechanical calculations as part of the detailed design Other information What's In It for You Competitive Salary commensurate with skills and experience. Hybrid Work Model (2-3 days from home). Flexible Hours 37.5 per week (Core: 10am-4pm Mon-Thu, 10am-3pm Fri). Professional Development and Chartership Support. Employee Assistance Programme (EAP). Sustainability & Innovation-Focused Culture. Generous Annual Leave with Additional Days Based on Service. We're Inclusive by Design Ayesa is proud to be an equal opportunity employer. We value and celebrate diversity in all its forms, including but not limited to age, disability, gender identity, race, religion or belief, sex, sexual orientation, and socio-economic background or neurodiversity. We believe that a diverse workforce fosters innovation and stronger outcomes. We are committed to inclusive hiring practices, providing reasonable adjustments for applicants and employees with disabilities, and ensuring equal access to opportunities for learning, development, and progression across our organisation.
Principal Process Engineer - Water & Wastewater Projects Ayesa London, United Kingdom Process Engineering Hybrid Company Description Ayesa is a globally oriented, forward-thinking company deeply committed to fostering diversity, inclusion, equity, and sustainability. These principles form the bedrock of our dedication to our 13,000 employees and serve as the driving forces behind our spirit of innovation. With a presence in 23 countries worldwide, Ayesa has earned a prominent international reputation in various engineering fields, including infrastructure, water conveyance and treatment systems, transportation, marine projects, waste management, aeronautics, and defense. Additionally, Ayesa is a well-established technology consultancy, specializing in facilitating the digital transformation of large corporations, particularly in the utilities sector, and providing technological solutions for public institutions. As a technology and engineering firm, we complement our technological proficiency with the capacity to design physical infrastructures. This includes crafting distinctive buildings that imbue cities with character, designing iconic bridges that seamlessly blend into their surroundings, creating transportation systems such as high-speed roads, intelligent roadways, stations, and airports that serve as the backbone of regions, and engineering remotely controlled networks for energy and water distribution, driving urban and demographic development. Position The Opportunity As a Principal Process Engineer within the Water Infrastructure Team, you will play a senior technical and leadership role, primarily responsible for the design, coordination, and delivery of process engineering solutions within water, wastewater, sewage treatment and utilities sectors, with the potential to expand into energy, transport, and environmental infrastructure sectors. Lead the process design for treatment plants, pumping stations, pipelines, and utility systems. Define treatment process schemes, undertake mass balance and hydraulic calculations, and specify equipment (e.g. aeration systems, chemical dosing, sludge handling). Ensure designs meet UK regulations, standards, and client specifications, such as DWI, EA, or Ofwat requirements. Carry out design reviews, challenge assumptions, and sign off key deliverables to ensure technical robustness. Oversee multidisciplinary coordination - integrating process design with civil, mechanical, electrical, and control system disciplines. Develop and manage process flow diagrams (PFDs), P&IDs, design reports, and technical specifications. Ensure all work aligns with BIM and digital design workflows where applicable. Present designs and/or scribe HAZOP, HAZID, and SIL studies. Lead or support design and build (D&B) projects, working closely with contractors, utilities and delivery partners. Manage project scope, schedules, and budgets while maintaining high technical standards. Oversee process commissioning, testing, and performance verification on site when projects move into delivery phases. Guide and mentor junior process engineers and graduates. Lead internal design reviews and promote best practices in process design, sustainability, and digital delivery. Engage directly with clients at a senior level - helping shape project briefs, proposals, and process solutions. Contribute to business development, proposal writing, and framework management with key UK utilities. Key Accountabilities Integrate within our multi-disciplinary design team to deliver robust design solutions to clients Interface with other engineering disciplines including civil, M&E and structural Ability to communicate effectively with clients and senior staff Ability to manage a challenging workload. A team player with a mature approach including first-class inter-personal skills Adheres to all Codes of Practice, Design Standards and Health & Safety Regulations Represent and promote Ayesa in a professional manner and develop effective working relationships with clients and potential clients Management of projects in compliance with Ayesa's Integrated Management System (IMS) Requirements What You Bring Experience & Qualifications: Minimum of 10 years' experience in water treatment and/or wastewater & industrial effluent treatment. Has achieved Chartered status A degree and ideally a master's in chemical/process / environmental Engineering Skills & Knowledge Deep understanding of the principles of water treatment and/or wastewater & industrial effluent treatment Proven track record in the development of process solutions in industrial and municipal settings, and in accordance with specifications used in Ireland and United Kingdom Proven track record in process selection, process design, application engineering, proposal support and operational support Proven track record in the development of the whole cycle of the treatment process from the concept to the detailed design stage Has undertaken preliminary and detailed design of water / wastewater treatment plants based on data provided and achieved the desired treatment criteria Demonstrate an ability to develop drawings of equipment and plant layouts as required Developing PFDs (Process Flow Diagrams) and P&IDs (Process & Instrumentation Drawings) Demonstrate an ability to develop process mass balance, hydraulic, energy, mechanical calculations as part of the detailed design Other information What's In It for You Competitive Salary commensurate with skills and experience. Hybrid Work Model (2-3 days from home). Flexible Hours 37.5 per week (Core: 10am-4pm Mon-Thu, 10am-3pm Fri). Professional Development and Chartership Support. Employee Assistance Programme (EAP). Sustainability & Innovation-Focused Culture. Generous Annual Leave with Additional Days Based on Service. We're Inclusive by Design Ayesa is proud to be an equal opportunity employer. We value and celebrate diversity in all its forms, including but not limited to age, disability, gender identity, race, religion or belief, sex, sexual orientation, and socio-economic background or neurodiversity. We believe that a diverse workforce fosters innovation and stronger outcomes. We are committed to inclusive hiring practices, providing reasonable adjustments for applicants and employees with disabilities, and ensuring equal access to opportunities for learning, development, and progression across our organisation.
CalfordSeaden LLP
calfordseaden is a leading multi-disciplinary construction and property consultancy. We provide a comprehensive range of services across the built environment, including Architecture, Building Information Management (BIM), Building Safety, Engineering, Fire Safety, Health and Safety, Surveying, Sustainability, and more. Senior/Principal Electrical Engineer Location: London/Hybrid Hours: 35 The role and responsibilities This role focuses on the refurbishment, upgrade, and decarbonisation of existing buildings, and requires a practical, client-facing engineer who thrives in both technical and on-site environments. You'll play a key role in the delivery of electrical engineering services from feasibility through to detailed design and construction. What you'll be doing Carryout Electrical engineering design for projects involving all systems including fire alarm, power systems, lighting systems, access control, security and renewable energy systems generally in existing buildings which will fall in the non and high risk building approval regime. Conduct condition surveys, asset assessments, and lifecycle costing. Produce technical reports, specifications, and feasibility studies Undertake detailed engineering calculations to inform design and decision-making. Liaise with contractors, clients, and stakeholders throughout the project lifecycle. Fulfil Contract Administrator duties including managing valuations, contractor performance, and change control procedures. Apply knowledge of contract management, especially JCT contracts. Conduct regular site inspections, oversee commissioning, and support issue resolution Collaborate closely with mechanical engineers, clients, project managers, architects, sustainability specialists, and quantity surveyors. Mentor and support the development of junior engineering staff. What you'll need Qualifications Building Services Engineering qualification Actively working towards chartership (IET or CIBSE preferred) Experience Proven experience in electrical design, delivery, and project leadership on existing building projects. Familiarity with maintenance contracts, including performance monitoring and lifecycle planning. Demonstrated experience writing and contributing to procurement documentation for public or private sector projects. Proficiency in writing technical reports, developing specifications, drawings, calculations and conducting feasibility studies. Extensive experience working within the social housing sector, as well as across a broad range of public sector environments, including educational facilities (e.g. schools and academies), healthcare buildings, and commercial properties. This includes a strong understanding of the specific challenges, compliance requirements, and stakeholder engagement needs associated with these settings-such as budgetary constraints, phased works in occupied premises, and alignment with government or local authority frameworks and funding criteria. Experience in asset data collection, including on-site surveys to identify and log mechanical and electrical systems, capturing equipment condition, operational status, and compliance with relevant standards to support lifecycle planning, maintenance strategies, and investment decisions. Knowledge of construction risks, including how to identify and manage them effectively across project stages. Experienced in reporting resource and financial information to Partners and senior management, ensuring visibility on project performance and forecasts. Knowledge Thorough understanding of electrical building services systems including lighting, fire alarm, power supplies, secondary power, access control, cctv and controls. Working knowledge of UK Building Regulations, relevant electrical British standards, CIBSE guides, BREEAM, and other sustainability frameworks. Experience with maintenance contract planning and service level agreements. Familiarity with public procurement processes, contract law, and compliant documentation. Familiarity with energy and carbon reduction strategies, including low/zero carbon technologies. Contract knowledge, particularly JCT forms of contract and contract administration processes. Understanding of government funding schemes Skills Strong communication skills - able to lead client meetings and present complex information clearly. Analytical thinking - capable of problem-solving and value engineering on live projects. Proficient in relevant software such as AutoCAD, and Microsoft Office Suite. An understanding of Revit and Trimble / Amtech is desirable. Effective time and resource management, with a proven ability to deliver to deadlines. Collaborative team player with leadership capability and mentoring experience. What we offer People are at the heart of everything we do, which is why we invest in them at every stage of their career. We are proud to hold the Investors in People Gold award, which we believe demonstrates our commitment to nurturing our people. Structured Apprenticeships and work experience opportunities are available across the organisation to support those at the beginning of their careers. We also have career development pathways to help you understand and structure your professional development. We provide a range of benefits including hybrid working, the option to buy and sell annual leave, enhanced annual leave for long service, sponsorship for qualifications, a recruitment referral bonus scheme, enhanced family leave policies, an employee assistance programme, and more! Who we are We're a multi-disciplinary property and construction consultancy with offices in Orpington, London, Birmingham, Essex, Cambridge, and Hampshire. With 80 years of experience of delivering award-winning projects across all major sectors, we're committed to making a positive difference in the communities we serve. Our vision is to be identified as a trusted client advisor; national in reach, local in service, and selected for our quality and expertise in the built environment. Our brilliant team consists of individuals who are passionate about delivering the best results and continuously demonstrate why our clients choose us to help bring their projects to life. You can find out more about our work on our website Values Collaboration - Being one team and supporting each other to achieve the best results and maximise our potential. Authenticity - Being true to ourselves and others and celebrating our differences. Giving Back - Recognizing and embracing the need for our work to have a positive social impact. Excellence - Striving to be up with the best and at the forefront of what we do. Support - Providing investment, encouragement and support to bring out the best in our People. Integrity - Being honest and doing the right thing. If you are a talented individual, with a commercial mind, and align to our values, please apply. If this job isn't quite right for you but you would like to start or progress a career within our construction consultancy, please connect with us so you can be notified about relevant future vacancies. calfordseaden is an Equal Opportunities Employer and is committed to supporting the principles of equality of opportunity in employment, training, and service delivery.
calfordseaden is a leading multi-disciplinary construction and property consultancy. We provide a comprehensive range of services across the built environment, including Architecture, Building Information Management (BIM), Building Safety, Engineering, Fire Safety, Health and Safety, Surveying, Sustainability, and more. Senior/Principal Electrical Engineer Location: London/Hybrid Hours: 35 The role and responsibilities This role focuses on the refurbishment, upgrade, and decarbonisation of existing buildings, and requires a practical, client-facing engineer who thrives in both technical and on-site environments. You'll play a key role in the delivery of electrical engineering services from feasibility through to detailed design and construction. What you'll be doing Carryout Electrical engineering design for projects involving all systems including fire alarm, power systems, lighting systems, access control, security and renewable energy systems generally in existing buildings which will fall in the non and high risk building approval regime. Conduct condition surveys, asset assessments, and lifecycle costing. Produce technical reports, specifications, and feasibility studies Undertake detailed engineering calculations to inform design and decision-making. Liaise with contractors, clients, and stakeholders throughout the project lifecycle. Fulfil Contract Administrator duties including managing valuations, contractor performance, and change control procedures. Apply knowledge of contract management, especially JCT contracts. Conduct regular site inspections, oversee commissioning, and support issue resolution Collaborate closely with mechanical engineers, clients, project managers, architects, sustainability specialists, and quantity surveyors. Mentor and support the development of junior engineering staff. What you'll need Qualifications Building Services Engineering qualification Actively working towards chartership (IET or CIBSE preferred) Experience Proven experience in electrical design, delivery, and project leadership on existing building projects. Familiarity with maintenance contracts, including performance monitoring and lifecycle planning. Demonstrated experience writing and contributing to procurement documentation for public or private sector projects. Proficiency in writing technical reports, developing specifications, drawings, calculations and conducting feasibility studies. Extensive experience working within the social housing sector, as well as across a broad range of public sector environments, including educational facilities (e.g. schools and academies), healthcare buildings, and commercial properties. This includes a strong understanding of the specific challenges, compliance requirements, and stakeholder engagement needs associated with these settings-such as budgetary constraints, phased works in occupied premises, and alignment with government or local authority frameworks and funding criteria. Experience in asset data collection, including on-site surveys to identify and log mechanical and electrical systems, capturing equipment condition, operational status, and compliance with relevant standards to support lifecycle planning, maintenance strategies, and investment decisions. Knowledge of construction risks, including how to identify and manage them effectively across project stages. Experienced in reporting resource and financial information to Partners and senior management, ensuring visibility on project performance and forecasts. Knowledge Thorough understanding of electrical building services systems including lighting, fire alarm, power supplies, secondary power, access control, cctv and controls. Working knowledge of UK Building Regulations, relevant electrical British standards, CIBSE guides, BREEAM, and other sustainability frameworks. Experience with maintenance contract planning and service level agreements. Familiarity with public procurement processes, contract law, and compliant documentation. Familiarity with energy and carbon reduction strategies, including low/zero carbon technologies. Contract knowledge, particularly JCT forms of contract and contract administration processes. Understanding of government funding schemes Skills Strong communication skills - able to lead client meetings and present complex information clearly. Analytical thinking - capable of problem-solving and value engineering on live projects. Proficient in relevant software such as AutoCAD, and Microsoft Office Suite. An understanding of Revit and Trimble / Amtech is desirable. Effective time and resource management, with a proven ability to deliver to deadlines. Collaborative team player with leadership capability and mentoring experience. What we offer People are at the heart of everything we do, which is why we invest in them at every stage of their career. We are proud to hold the Investors in People Gold award, which we believe demonstrates our commitment to nurturing our people. Structured Apprenticeships and work experience opportunities are available across the organisation to support those at the beginning of their careers. We also have career development pathways to help you understand and structure your professional development. We provide a range of benefits including hybrid working, the option to buy and sell annual leave, enhanced annual leave for long service, sponsorship for qualifications, a recruitment referral bonus scheme, enhanced family leave policies, an employee assistance programme, and more! Who we are We're a multi-disciplinary property and construction consultancy with offices in Orpington, London, Birmingham, Essex, Cambridge, and Hampshire. With 80 years of experience of delivering award-winning projects across all major sectors, we're committed to making a positive difference in the communities we serve. Our vision is to be identified as a trusted client advisor; national in reach, local in service, and selected for our quality and expertise in the built environment. Our brilliant team consists of individuals who are passionate about delivering the best results and continuously demonstrate why our clients choose us to help bring their projects to life. You can find out more about our work on our website Values Collaboration - Being one team and supporting each other to achieve the best results and maximise our potential. Authenticity - Being true to ourselves and others and celebrating our differences. Giving Back - Recognizing and embracing the need for our work to have a positive social impact. Excellence - Striving to be up with the best and at the forefront of what we do. Support - Providing investment, encouragement and support to bring out the best in our People. Integrity - Being honest and doing the right thing. If you are a talented individual, with a commercial mind, and align to our values, please apply. If this job isn't quite right for you but you would like to start or progress a career within our construction consultancy, please connect with us so you can be notified about relevant future vacancies. calfordseaden is an Equal Opportunities Employer and is committed to supporting the principles of equality of opportunity in employment, training, and service delivery.