Senior Process Engineer: Nuclear Fusion Systems (Hybrid)

Assystem UK Ltd; Litchurch; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid work

Training and development

Employee engagement bonuses

Job summary

Assystem is seeking a Senior Process Engineer in Derby to join the Fusion and Modular Nuclear Business Unit. You will support the design of complex thermal and fluid systems for the SMR project, providing analysis and calculation support across Turbine Island systems and contributing to an internal centre of excellence for analysis methodology.

The role involves generating static and transient flow and thermal analyses, reviewing Piping & Instrumentation Diagrams and design documents, and

Qualifications

• Background in the nuclear sector or regulated industries like thermal power generation, oil and gas.
• Knowledge of steam turbines, condensers, feedwater heaters, pumps and piping systems.
• Experience from FEED to detailed design and EPC delivery.
• Procurement and supplier liaison skills.
• Excellent communication with internal and external stakeholders.
• Familiarity with UK Health and Safety regulations, safety systems and HAZOP.
• Understanding of ASME, European and UK standards.
• Systems Engineering experience or awareness desirable.

Responsibilities

• Intelligent Customer: ensure supplier deliverables meet requirements and challenge designs where necessary.
• Design Development: create/review P&IDs, Piping & Instrumentation Diagrams, Layout Drawings, component sizing calculations, and studies.
• Systems Engineering: develop and review functional and design requirements.
• Integration: integrate Turbine Island design into the broader power plant.
• Technical Support: act as go-to expert for Turbine Island interface and stakeholder activities.
• Safety & Compliance: support design reviews, HAZID/HAZOP studies and adherence to H&S policies.
• Liaison: work with safety teams on licensing and environmental permitting.

Skills

Nuclear sector experience

Excellent stakeholder communication

Safety knowledge

Regulatory compliance

Job description

Assystem is seeking a Senior Process Engineer in Derby to join the Fusion and Modular Nuclear Business Unit. You will support the design of complex thermal and fluid systems for the SMR project, providing analysis and calculation support across Turbine Island systems and contributing to an internal centre of excellence for analysis methodology.

The role involves generating static and transient flow and thermal analyses, reviewing Piping & Instrumentation Diagrams and design documents, and