Senior Process Engineer: Nuclear & Fusion (Hybrid)

Assystem UK Ltd; West of England; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Holiday bonuses

Employee Committee

Hybrid work

Job summary

Assystem UK Ltd is hiring a Senior Process Engineer in Bristol to support design of complex thermal and fluid systems for SMR projects. You will perform analyses and calculations for Turbine Island and contribute to a new centre of excellence for analysis methodologies.

The role requires delivering PFDs, P&IDs, sizing calculations, and coordinating with safety teams on HAZOP, licensing, and environmental permitting, with hybrid work schedule and travel within the UK.

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 & supplier liaison: develop procurement specs and work with suppliers.
• Excellent communication skills for 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

• Create and review Process Flow Diagrams, Piping & Instrumentation Diagrams, Layout Drawings, Component Sizing Calculations.
• Develop and review functional and design requirements for Turbine Island.
• Conduct and review studies and design documents to support project.
• Seamlessly integrate Turbine Island design into the broader power plant.
• Serve as the go-to expert for Turbine Island interface and stakeholder activities.
• Support Design Reviews, HAZID/HAZOP studies, and ensure adherence to HS policies.
• Work with safety teams on nuclear safety licensing and environmental permitting.

Skills

Nuclear sector

Stakeholder communication

Safety awareness

Regulated industries

Systems engineering

Tools

ASME standards

European standards

UK standards

Job description

Assystem UK Ltd is hiring a Senior Process Engineer in Bristol to support design of complex thermal and fluid systems for SMR projects. You will perform analyses and calculations for Turbine Island and contribute to a new centre of excellence for analysis methodologies.

The role requires delivering PFDs, P&IDs, sizing calculations, and coordinating with safety teams on HAZOP, licensing, and environmental permitting, with hybrid work schedule and travel within the UK.