Principal Engineer - Site Asset Safety Verification

Principal Engineer - Site Asset Safety Verification / Nuclear Substantiation
Location: Hybrid (occasional onsite attendance)
Salary: Dependent on experience

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.

• 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.

• 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.

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.

• Hybrid/flexible working arrangements available.
• Candidates may be subject to security clearance requirements due to the nature of the work.