Nuclear Safety Engineer

JR United Kingdom; Portsmouth; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading defence and engineering organisation is seeking a Nuclear Safety Engineer in Portsmouth. This permanent role involves writing safety case documentation and engaging with various teams in the nuclear sector. Applicants must be sole British nationals eligible for SC clearance, with a background in nuclear safety and experience in regulated industries. Competitive salary starts at £60,000 depending on experience, with some remote working opportunities.

Qualifications

• Background in nuclear safety or safety case development.
• Experience in regulated or high-hazard industry.
• Confident in producing structured technical reports.

Responsibilities

• Write and review safety case documentation.
• Support reviews and implementation of safety cases.
• Lead own deliverables and contribute to team development.

Skills

Nuclear safety

Technical report writing

Stakeholder engagement

Job description

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Nuclear Safety Engineer, portsmouth, hampshire

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Client:

Location:

portsmouth, hampshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

22.08.2025

Expiry Date:

06.10.2025

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Job Description:

Nuclear Safety Case Engineer

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