Senior Process Engineer

We’re looking for a Senior Process Engineer to join a major nuclear decommissioning project, supporting detailed design during the Define phase. This hybrid role, based from Warrington or Cumbria, involves working three days a week on-site. It’s an excellent opportunity for a Chartered Chemical Engineer to contribute their expertise to a highly regulated and critical sector.

Inside IR35 – 12-month initial contract

Hybrid working from Warrington or Cumbria – 3 days on-site per week

Our client is a leading organisation in the UK nuclear sector, delivering major projects to ensure safe decommissioning and long-term sustainability. This role provides the opportunity to work on a significant, high-value project impacting the future of the industry.

• Provide regular updates on process team progress to Project Management and engineering leads.
• Collaborate with multi-discipline teams including engineering, safety, commissioning and operations.
• Present designs at assurance reviews, technical committees and safety meetings.
• Complete and check process design deliverables, such as EFDs, Process Descriptions, control philosophy documents, pump and line sizing calculations.
• Support development of radiological, environmental and non-nuclear safety cases for key hazards.
• Maintain and update project documentation and assist wider portfolio tasks where required.

• Master’s Degree in Chemical Engineering.
• Chartered status with IChemE.
• Proven experience producing and checking process engineering deliverables (e.g. EFDs, line sizing, pump design).
• Expertise in design of large-scale fluid handling systems.
• Knowledge of safety assessment techniques such as HAZOP.
• Strong communication and report writing skills. Ability to work under time and cost constraints.

• Familiarity with Sellafield Ltd processes and approval procedures.
• Experience in nuclear safety case development and substantiation.
• Broader process engineering knowledge of supporting systems (compressed air, water distribution, etc.).
• Previous cooling tower design experience and handling of legionella hazards.

We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer.

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