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, eng...