Assystem GmbH

An engineering consultancy is seeking a Systems Engineer to work on defense projects in Derby, UK. The role involves producing requirement specifications, managing interfaces, and defining system architecture, ideally suited for candidates with a degree in engineering or relevant experience in regulated industries like nuclear or aerospace. The position is permanent with hybrid working options across various UK locations. Join this company committed to diversity and innovative solutions.

Our Vacancy# Systems Engineer Defence Permanent / Derby United Kingdom 10/03/26 On site ShareAssystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all Job Description Responsibilities : + Requirement specification production / management + Interface Management + System Architecture definition + System Functional and Interface modelling + Working with mechanical, electrical and process systems + Operating requirements management database software (DOORS preferential) + Operating Model Based Systems engineering Software (Capella preferential) Background: + Engineer or Senior Engineer level resource (3 years experience minimum, 5+ more likely to be a good fit) + Experience in complex regulated industry essential (i.e. Nuclear, Aerospace, etc.) + Experience in Nuclear industry desirable. + Foundation background in Mechanical or Electrical Engineering is acceptable- Systems Engineering: Degree in engineering or STEM subject is mandatory or be able to demonstrate equivalent experience. Systems thinking and systems engineering processes is mandatory. Systems engineering training/qualifications desirable. Willing to accept a candidate with SE experience and a desire to move into this field if they can demonstrate competence. Experience operating Rationale DOORS software as a practitioner is desirable. Familiarity with Model Based Systems Engineering is desirable. Awareness of relevant BS or INCOSE standards desirablePermanent staff preferred, umbrella contractor acceptedSole UK national capable of securing SCHybrid working from any UK AEIL office but preferences are Derby, Glasgow, Sunderland or BlackburnWe are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Our Vacancy# Control Systems Engineer Defence Contracting / Derby United Kingdom 10/03/26 On site ShareAssystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all Job DescriptionAssystem Energy & Infrastructure are recruiting for a Control Systems Engineer to join our team on a 12-month contract , working on-site at our customer's facility in Derby . This is an exciting opportunity to play a key role in developing advanced engineering and test capabilities within a multi-disciplinary environment.You will contribute to the design of new production and experimental test facilities, help reduce costly breakdowns, and work collaboratively to improve the reliability and safety of plant, personnel and test processes. Role Details Job title: Control Systems Engineer Contract length: 12 months Location: Derby Contract type: PAYE via Umbrella solution Key Responsibilities Review and agree high-level functional and operational requirements, including testability Design and implement complex control system solutions to meet defined requirements, constraints and standards Work within a cross-disciplinary team to deliver solutions for new production and experimental test facilities Software development: Write complex software modules from philosophy documents and modernise obsolete control systems Hardware design: Develop detailed hardware designs from concept documents (e.g. P&IDs, equipment schedules) for new or upgraded installations Identify and resolve issues during software and hardware integration testing, supporting commissioning activities Prepare high-quality technical reports and documentation in line with engineering best practice Act as technical support to the supply chain, assessing electrical and control components and managing design updates Undertake project planning and control to ensure adherence to cost and schedule Qualifications & Experience Degree or equivalent professional accreditation in an engineering discipline (Controls, Electrical, Electronics, Instrumentation or Software preferred) Hands-on experience with industrial control systems and industrial IT/OT networks Experience with Rockwell / Allen Bradley control systems is advantageous Proven experience specifying and designing control system hardware, including I/O signal interfaces with instrumentation Working knowledge of change and configuration management tools and processes Experience using control system design tools such as AutoCAD Electrical and/or E-Plan Ideally, experience across the full engineering product or project lifecycle (requirements through to disposal) Broad understanding of relevant IEC standards (e.g. Machinery Directive, BS7671 IET Wiring Regulations, IEC 61131, IEC 61508/61511) Personal Attributes Proactive, self-starting and able to work effectively across multiple engineering disciplines Strong problem-solving and communication skills Member of a professional engineering institution (e.g. The IET ), ideally working towards Chartered Engineer status Please be aware that many roles at Assystem 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. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

An international engineering company in Derby is looking for a Control Systems Engineer for a 12-month contract. You will design complex control systems and work collaboratively to enhance safety and reliability. The role requires a degree in an engineering discipline and hands-on experience with control systems, particularly Rockwell / Allen Bradley. Strong problem-solving skills and proficiency in software design tools like AutoCAD Electrical are essential. This position promotes diversity and requires adherence to security clearance protocols.

Our Vacancy# EC&I Responsible Engineer Nuclear Permanent / Warrington United Kingdom 07/04/26 On site ShareAssystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 8,000 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all Job Description EC&I Responsible Engineer Warrington Staff or Contract (Inside IR35) EC&I Responsible Engineer (RE) The RE is fully accountable for all electrical, control & instrumentation (EC&I) engineering within their area, ensuring work is safe , compliant , and fit for purpose across the full lifecycle.They provide technical leadership , set standards, oversee assurance, and retain responsibility for all engineering decisions (including delegated ones). Essential Experience Proven EC&I delivery in regulated, safety-critical environments Strong track record of technical accountability & decision-making Experience with: + PES, Cyber, Instrumentation & Electrical Distribution + UK compliance (UKCA, LV, EMC, Machinery) + Plant room design & engineering governance Leading multi-disciplinary teams and resolving complex risks Working with projects, safety, regulators & assurance bodies Promoting safety, quality & compliance culture Desirable Experience as an RE (or equivalent) in nuclear/high-hazard environments Full lifecycle delivery: concept commissioning handover Knowledge of SEMS & gated engineering processes Essential Qualifications Degree (or equivalent) in Electrical, Control, or Instrumentation Engineering Extensive EC&I experience suited to a Responsible Engineer role Chartered Engineer status (or equivalent experience) Ability to meet security clearance & site access requirements SQEP compliant with SR0696 & ED21 standards Desirable Qualifications Fellowship / senior membership of a professional engineering body Training in nuclear safety , functional safety , or systems engineering Postgraduate qualification in engineering or management Whilst we encourage applications from all nationalities, Assystem within the UK are subject to security and export control restrictions due to the nature of work to be undertaken. These restrictions mean that factors including your nationality, any previous nationalities you have held, and/or your place of birth may limit those roles that you can perform for the organisation. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Our Vacancy# Senior Principal HVAC Engineer Nuclear Permanent / Warrington United Kingdom 07/04/26 On site ShareAssystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 8,000 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all Job Description Senior Principal HVAC Engineer Warrington Perm Job Description Support Requirements Capture : Manage and challenge requirements for existing waste containers and interface equipment. Support Engineering Activities : Assist as defined by the Engineering Manager. Mentorship : Provide guidance and assurance to Senior Engineers and Designers. Determine Engineering Requirements : Assist in defining product requirements. Tolerances Understanding : Guide understanding of tolerances on interface drawings. Compile Documents : Help in compiling Component Requirements Documents. Site Surveys : Support site surveys and the production/review of survey reports. DFMEA/PFMEA Support : Assist in Design and Process Failure Mode Effects Analysis. Review Drawings : Check drawings and documents for accuracy. Deploy LFE : Identify and apply Lessons Learned from Experience for technical tasks. Qualifications Experience : High-level technical competency and significant experience in a related field. Education : HNC (minimum). Innovation : Ability to create and develop new ideas. Project Documentation : Experience in preparing project documentation, processes, and reports. Stakeholder Management : Demonstrable success in managing stakeholders. Engineering Background : Deep experience in design, manufacture, material selection, welding, fabrication, and machining techniques. FMEA Knowledge : Familiarity with DFMEA and PFMEA. Communication Skills : Excellent written and verbal communicator. Additional information Regulated Industries : Experienced in delivering work for highly regulated industries. Nuclear Sector : Experience in the nuclear sector. Nuclear Design : Familiarity or previous design experience with nuclear, including mechanical handling. CAD Experience : Experience with CAD (Inventor). Whilst we encourage applications from all nationalities, Assystem within the UK are subject to security and export control restrictions due to the nature of work to be undertaken. These restrictions mean that factors including your nationality, any previous nationalities you have held, and/or your place of birth may limit those roles that you can perform for the organisation. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Our Vacancy# CS&A Responsible Engineer Nuclear Permanent / Warrington United Kingdom 07/04/26 On site ShareAssystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 8,000 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all Job Description CS&A Responsible Engineer WarringtonStaff or Contract (Inside IR35) CS&A Responsible Engineer (RE) The RE holds full technical accountability for Civils, Structural & Architectural (CS&A) engineering within their area, ensuring all work is safe, compliant, and fit for purpose across the project lifecycle .Working to R2A2 (ED21), you'll provide technical leadership, governance, and assurance, while retaining responsibility for key engineering decisions-even when delegated . Key Responsibilities & Experience: Strong CS&A background in regulated, safety-critical environments Proven technical accountability & decision-making experience Ensure compliance with legislation, standards, and safety requirements Establish governance, assurance & verification processes Lead multi-disciplinary teams & resolve complex technical issues Interface with project teams, regulators & assurance bodies Promote a strong safety, quality & compliance culture Desirable Experience: Planning, site master planning & council engagement Contaminated land, utilities & ground investigations Seismic & heavy industrial/plant room design Nuclear or high-hazard environments Safety case development & regulatory engagement Full lifecycle delivery: concept commissioning Managing deviations, non-conformances & improvements Requirements: Familiar with engineering governance & gated processes SQEP aligned with SR0698 & ED21 standards Essential Qualifications Degree (or equivalent) in CS&A or related engineering discipline Extensive CS&A experience suitable for a Responsible Engineer role Chartered Engineer (or equivalent) with a recognised institution Able to meet security clearance & site access requirements Desirable Qualifications Fellowship or senior membership of a professional institution Training in nuclear safety, functional safety, or systems engineering Postgraduate qualification in engineering or management Whilst we encourage applications from all nationalities, Assystem within the UK are subject to security and export control restrictions due to the nature of work to be undertaken. These restrictions mean that factors including your nationality, any previous nationalities you have held, and/or your place of birth may limit those roles that you can perform for the organisation. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Our Vacancy# Instrumentation and Controls Commissioning engineer Nuclear Permanent / Bridgwater United Kingdom 28/04/26 On site Share About Assystem Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic nuclear infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. You will join your future team supporting one of the UK's most significant nuclear construction programmes. This is a chance to work at the sharp end of commissioning, where safety, precision, and engineering judgement genuinely matter. Alongside meaningful project work, you will benefit from: Hybrid Working Opportunity Flexible working hours Market Leading Pension scheme (8% company contribution / 4% personal contribution) Professional fees covered fully Employee referral scheme Competitive Sick Pay - Support when you need it Income Protection & 3x Salary Death-in-Service Cover 24/7 Employee Support Line - Mental health, financial & legal help and more Job Description The Job Mission This is a hybrid role requiring regular presence in Bridgwater or Bristol, with relocation support available. Candidates must be within commutable distance or willing to relocate.You will support early-stage commissioning activities, focusing on readiness, coordination, and technical assurance. Support preparation activities ensuring instrumentation systems are ready for commissioning execution Provide technical input into calibration activities alongside technicians and specialist suppliers Assist identification and assessment of spare parts requirements for commissioning phases Review as-built installations against design documentation, supporting system handover processes Contribute to development and review of commissioning procedures and test documentation Coordinate commissioning and calibration activities with internal teams and external suppliers Provide instrumentation expertise to mechanical and process teams during system troubleshooting Identify risks, report issues, and support mitigation and resolution activities Track progress of assigned commissioning tasks and maintain accurate status records Collaborate with multidisciplinary teams to ensure safe and efficient commissioning delivery Nuclear experience is not essential, but is of course welcome. If you have worked within a highly regulated environment, your skills and approach are highly transferable and of strong interest to us.We also recognise that the perfect candidate rarely exists. If you feel you meet around 80% of the criteria and are motivated to develop further, we would strongly encourage you to apply Degree or HNC in Instrumentation, Control, Electrical or similar discipline Experience in commissioning or pre-commissioning within regulated industrial environments Strong understanding of PLC, DCS, and field instrumentation systems Ability to interpret P&IDs, loop diagrams, and control system documentation Experience supporting calibration, testing, or system validation activities Knowledge of commissioning processes, documentation, and quality requirements Ability to work effectively within multidisciplinary engineering teams Understanding of safety requirements within complex, safety-critical environments This role offers hands-on involvement in commissioning safety-critical I&C systems on one of the UK's most significant nuclear programmes. You will build deep commissioning capability, work alongside experienced specialists, and strengthen your long-term career within a global engineering organisation delivering nationally important infrastructure.Benefits include: Hybrid Working Opportunity Flexible working hours Market Leading Pension scheme (8% company contribution / 4% personal contribution) 25 days' paid annual leave + bank holidays + option to buy or sell days Professional fees reimbursed Employee referral scheme Competitive Sick Pay - Support when you need it Income Protection & 3x Salary Death-in-Service Cover Free Digital Gym Access - Expert-led fitness classes 24/7 Employee Support Line - Mental health, financial & legal help NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Assystem GmbH is looking for an Instrumentation and Controls Commissioning Engineer to join their team in Bridgwater, UK. In this role, you will support early-stage commissioning activities, focusing on system readiness and technical assurance. The position requires strong knowledge of commissioning processes and instrumentation systems. Assystem offers a hybrid work model, competitive benefits including a market-leading pension scheme, employee support services, and a collaborative work environment to foster your career development.