Principal Engineer – Site Asset Safety Verification / Nuclear Substantiation
Location: Hybrid (occasional onsite attendance)
Salary: Dependent on experience
Role Overview
Seeking a Principal Engineer – Site Asset Safety Verification to support the authoring, management, and technical review of design substantiation documentation for site assets and infrastructure within a highly regulated, safety-critical environment.
The role focuses on supporting the nuclear safety case through design substantiation, technical assessments, and safety justification activities, while providing leadership across multidisciplinary engineering interfaces.
Key Responsibilities
- Author and manage design substantiation documentation supporting site asset and infrastructure safety cases.
- Review and assess engineering analyses, calculations, and technical assessments supporting substantiation activities.
- Support Periodic Review of Safety (PRS) and ongoing safety case maintenance.
- Lead delivery of substantiation and verification packages with a high degree of autonomy and technical ownership.
- Support implementation of design substantiation requirements across engineering projects.
- Work collaboratively with multidisciplinary stakeholders including Safety Case, Human Factors, and Engineering Authority teams.
- Contribute to safety justification activities across mechanical, civil and structural assets/facilities.
- Produce high-quality technical reports, engineering documentation, and substantiation evidence.
- Support continuous improvement and cross-functional collaboration in safety and substantiation processes.
Required Experience & Skills
Experience in complex, high-hazard or highly regulated industries, such as:
- Nuclear
- Aerospace
- Defence
- Oil & Gas
- Shipbuilding
- Weapons/Ordnance Manufacturing
Degree qualified in a STEM discipline, apprenticeship-trained, or equivalent demonstrable experience.
Strong background in:
- Nuclear or systems safety
- Design substantiation
- Safety case / safety justification
- Technical assurance and engineering verification
- Engineering report writing and technical documentation
- Ability to work autonomously while providing technical leadership across stakeholders.
Opportunity
This role offers exposure to a broad and varied scope of design substantiation and safety justification work across critical infrastructure and facilities, with development opportunities in both technical specialist and engineering leadership/management pathways.
Additional Information
Hybrid/flexible working arrangements available.
Candidates may be subject to security clearance requirements due to the nature of the work.
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