ASSYSTEM - United Kingdom, Engineering

Assystem seeks an EC&I Engineer in Whitehaven to deliver high-quality engineering design packages for nuclear projects. Requires CE&I project delivery experience, CDM and IET Wiring Regulations competence, and a relevant degree.

Assystem seeks a Principal EC&I Engineer in Warrington to lead nuclear, defence and infrastructure projects. Requires 10+ years in EC&I design, team leadership and a relevant engineering degree.

Assystem seeks a Senior Process Engineer in Warrington to join its Nuclear Decommissioning team. Requires Chemical Engineering degree, Chartered status, and design knowledge (DSEAR, PFDs). Site access to Sellafield needed.

Assystem seeks a Mechanical Responsible Engineer in Warrington to lead mechanical and ventilation engineering with full technical accountability. Requires a mechanical engineering degree, Chartered status, and proven experience in safety-critical regulated environments.

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.

Senior Civil Engineer role in Bristol with Assystem, a global nuclear engineering leader. Lead technical delivery for reinforced concrete structures, 3D modelling and supplier oversight on complex nuclear projects. Hybrid working with relocation support available.

Graduate Mechanical Engineer role in Newcastle upon Tyne with Assystem. Support mechanical design, calculations and technical documentation on complex energy and defence projects. Ideal for motivated Mechanical Engineering graduates ready to develop their career.

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.

Graduate Mechanical Engineer role in Glasgow for degree holders in Mechanical Engineering or related fields. Support design, calculations and technical documentation on complex energy and defence projects. Great opportunity to build your engineering career.

Graduate Mechanical Engineer role in Bridgwater for ambitious degree holders ready to launch a career on complex energy and defence projects. Support mechanical design, calculations and technical documentation while developing your skills alongside experienced engineers.

Assystem seeks hands-on Electrical Engineers in Bridgwater to train as Commissioning Engineers on a major nuclear project. Develop your career supporting critical electrical systems.

Assystem seeks a Senior Principal Mechanical Engineer in Warrington to lead multidisciplinary teams on fusion and modular nuclear projects. Requires steam cycle modelling, cooling water systems expertise, and ONR compliance knowledge. Hybrid work with strong benefits.