Senior EC&I Engineer - Radiological Systems

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 delivering critical engineering oversight on one of the UK’s most significant nuclear new build programmes. This role sits at the centre of technical decision-making, supplier management, and safety-critical system delivery. You will work in an environment where technical quality, regulatory compliance, and engineering integrity are non-negotiable, giving you exposure to complex systems and high-value contracts.

Benefits include:

• 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

The Job Mission

This is a hybrid role based in Bridgwater, requiring regular site presence and consideration for relocation where needed. Support is available to assist with relocation for candidates outside commutable distance. You will lead technical oversight of radioprotection systems, ensuring compliance, performance, and integration across project phases.

• Review equipment designs ensuring compliance with safety and technical requirements
• Manage supplier technical performance across scope, schedule, and deliverables
• Coordinate multi-discipline reviews of supplier technical documentation
• Produce and manage technical comments, clarifications, and resolutions
• Manage risks, design changes, and technical queries from suppliers
• Oversee system design through design, construction, and commissioning phases
• Ensure integration of mechanical diagrams, functional diagrams, and 3D models
• Interface with multiple engineering disciplines across radioprotection contracts
• Review and validate system documentation including control logic and testing
• Assess and challenge engineering modifications for necessity and feasibility

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.

Requirements:

• Degree in a relevant engineering discipline
• Understanding of radiation types, dose limits, protection standards
• Knowledge of radiological monitoring equipment and instrumentation principles
• Familiarity with electrical distribution and control system architectures
• Aware of safety classification and nuclear design requirements
• Experience reviewing supplier technical documentation and deliverables
• Knowledge of relevant electrical standards and regulatory frameworks
• Experience working on industrial sites or operating plant environments
• Understanding of system integration across multi-discipline engineering teams

This is an opportunity to work on one of the UK’s most significant infrastructure programmes, gaining experience that is difficult to replicate elsewhere. You will develop your technical capability while contributing to critical energy projects that shape the future of the UK and beyond.

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.