ASSYSTEM - United Kingdom, On-site work

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.

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 Mechanical Engineers in Derby to drive the energy transition. Requires thermal power systems expertise (steam turbines, pumps, piping) and nuclear or regulated industry experience. Involves FEED, detailed design, and EPC delivery.

Assystem seeks a Senior Quantity Surveyor in Glasgow for a hybrid role requiring strong NEC4 contract administration and large infrastructure project experience. Requires SC clearance eligibility and offers staff or umbrella contractor options.

Join Assystem UK as a GIS and Ecology Consultant in Birmingham, supporting the HS2 project. Use ArcGIS or QGIS for spatial analysis and mapping to drive environmental decisions on a major infrastructure programme.

Assystem seeks a Graduate EC&I Engineer in Glasgow to support design and specification of electrical, control and instrumentation systems on complex energy and defence projects. Ideal for motivated engineering graduates eager to develop technical expertise.

Graduate EC&I Engineer role in Derby for degree holders in Electrical, Electronic, Control or Power Engineering. Support design of electrical and instrumentation systems on complex energy projects. Build your career with Assystem.

Join Assystem as a Graduate Consents Consultant in Birmingham and help deliver strategic energy and infrastructure projects. Support consent applications, site appraisals and stakeholder engagement.

Assystem seeks a Graduate EC&I Engineer in Bridgwater to support electrical, control and instrumentation design on complex energy projects. Ideal for motivated engineering graduates eager to develop technical skills within a collaborative team.

Graduate Mechanical Engineer role in Derby with Assystem. Support mechanical design, calculations and technical documentation on complex energy and defence projects. Requires a mechanical engineering degree, curiosity and strong problem-solving skills.