Nuclear CS&A Lead Engineer

Assystem UK Ltd; Olney; On-site; GBP 70,000 - 95,000; Full time

Job summary

Assystem UK Ltd is seeking a senior engineer to lead and inspire the CS&A design and site engineering teams on the Box Encapsulation Plant (BEP) project at Sellafield. You will provide technical guidance, review design submissions, and ensure rigorous governance across the project lifecycle.

You will collaborate closely with Sellafield CS&A Responsible Engineer, manage interface with construction teams, and drive safety case activities including DJRs, with regular site visits and a minimum

Qualifications

• Qualified Engineer with degree in Civil or Structural Engineering.
• Chartered status with ICE or IStructE is required.
• Proven expertise across major projects and ability to influence stakeholders.
• Experience shaping project direction and programme management.
• Leadership and mentoring of engineering teams in a nuclear context.

Responsibilities

• Lead and inspire CS&A design and site engineering teams.
• Review design submissions, TQ/PP documentation and ensure governance.
• Oversee structural design drawings, calculations and as-built status.
• Support fire strategy reviews and engagement with fire consultants.
• Contribute to safety case activities and DJRs.
• Collaborate with Sellafield and construction stakeholders to resolve issues.

Skills

Leadership

Strategic Vision

Engineering Leadership

Design Principles

Communication Skills

Nuclear Experience

UK Driving Licence

Security Clearance Suitability

Education

Degree in Civil or Structural Engineering

Chartered engineer (CEng/MICE or MIStructE)

Job description

Assystem UK Ltd is seeking a senior engineer to lead and inspire the CS&A design and site engineering teams on the Box Encapsulation Plant (BEP) project at Sellafield. You will provide technical guidance, review design submissions, and ensure rigorous governance across the project lifecycle.

You will collaborate closely with Sellafield CS&A Responsible Engineer, manage interface with construction teams, and drive safety case activities including DJRs, with regular site visits and a minimum