ASSYSTEM - United Kingdom

Assystem seeks a CS&A Principal Engineer in Warrington to lead design and site engineering teams on the Box Encapsulation Plant at Sellafield. Requires chartered status (ICE or IStructE), nuclear sector experience, and strong structural design expertise.

Assystem seeks a Project Administrator in Helensburgh to manage document control, team communications and governance for Programme Euston. Requires strong MS O365, organisational and stakeholder engagement skills. Benefits include pension, 25 days' leave and flexible working.

Assystem seeks a Principal Nuclear Security Engineer in Glasgow to provide engineering assurance for security-related nuclear assets. Requires high-hazard regulated experience, SyAPs knowledge, and security case expertise.

Join Assystem as a Senior Building Services Engineer (Mechanical) in Bristol and support the Hinkley Point EPR programme. Requires engineering degree, nuclear or regulated industry experience, and strong coordination skills.

Lead CS&A design and site engineering for a major nuclear JV in Warrington. Oversee structural design reviews, TQ/PP submissions and as-built documentation, with regular Sellafield site visits.

Join Assystem as a Commissioning Engineer - Environmental at Hinkley Point C in Bridgwater. Drive environmental compliance, risk assessment and safety controls on a landmark nuclear project. Degree in environmental discipline required.

Assystem seeks an organised Office Manager & Personal Assistant in Derby to be the central support for their office. Requires strong admin, MS Office and multitasking skills. Full-time role with a proactive, solutions-focused team.

Assystem seeks a Chartered Technical Electrical Engineer in Glasgow to provide technical assurance on a major UK Defence nuclear programme. Requires defence or regulated-sector experience and 3+ years in senior engineering management.

Assystem seeks a Senior CS&A Engineer in Warrington to deliver civil and structural design on complex nuclear projects. Requires degree-level qualification, 3+ years in regulated industries, and proficiency in steel and concrete design.

Assystem seeks a CS&A Responsible Engineer in Warrington to lead civils, structural and architectural engineering on nuclear projects. Requires chartered status, extensive regulated-sector experience and security clearance.

Assystem seeks a CS&A Engineer in Warrington to deliver nuclear project design packages. Requires Revit proficiency, steelwork design to Eurocode 3/BS5950-1, and experience in highly regulated industries.

Join Assystem in Glasgow as a Senior Project Support Assistant, supporting project management and engineering teams with diary management, meeting coordination, and office administration. Strong organisational, IT, and communication skills required.