Nuclear Safety Engineer

JR United Kingdom; Chelmsford; Remote; GBP 100,000 - 125,000; Full time

Job summary

A leading defence and engineering organisation is seeking a Nuclear Safety Case Engineer for a remote position, requiring British nationality and eligibility for SC clearance. You will be responsible for writing and reviewing safety case documentation, engaging with stakeholders, and ensuring high safety standards. This role suits candidates with a background in nuclear safety or regulated industries.

Qualifications

• Background in nuclear safety, safety case development, or substantiation work.
• Experience in a regulated or high-hazard industry (nuclear, defence, etc.).
• Confident in producing well-structured technical reports.

Responsibilities

• Write and review nuclear substantiation and safety case documentation.
• Support periodic reviews and safety case implementation.
• Lead on deliverables and contribute to the wider team.

Skills

Nuclear safety knowledge

Technical writing

Stakeholder engagement

Job description

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Must be a sole British national and eligible for SC clearance due to project requirements

Permanent | Remote working (2 days a quarter in Cumbria) | £60,000+ (DOE)

Copello are working with a leading defence and engineering organisation to recruit a Nuclear Safety Case Engineer to join a long-term programme at the forefront of the UK’s nuclear sector.

This role is perfect for someone who enjoys working in high-integrity, regulated environments and wants to take real ownership of key safety deliverables. You’ll be part of a team that directly supports the development and ongoing assurance of nuclear safety cases — working closely with Engineering, Human Factors and Site Safety teams to keep standards high and the plant safe.

What you’ll be doing:

• Writing and reviewing nuclear substantiation and safety case documentation
• Supporting periodic reviews and safety case implementation
• Leading on your own deliverables and contributing to the wider team’s development
• Engaging with stakeholders across technical and operational functions
• Reviewing analysis, calculations and other supporting evidence for safety justifications

What we’re looking for:

• Background in nuclear safety, safety case development, or substantiation work
• Experience in a regulated or high-hazard industry (nuclear, defence, etc.)
• Confident producing well-structured technical reports
• Comfortable collaborating with engineering and assurance teams