Plant Modification Proposal Manager (Nuclear)

Location: Hybrid role based at Sellafield, Cumbria, England. Applicants must be British citizens and passport holders and must not have worked outside the UK during the past 5 years. SC clearance is required and includes 5 years of UK residency checks.

Salary: £60 per hour, inside IR35. Contract duration: initially 12 months.

Company

hirify.global is recruiting for a role in the power, nuclear and utilities sector.

What you will do

• Lead the complete Plant Modification Proposal process from conception through implementation, testing, and closeout.
• Coordinate consultation with safety case, environmental, security, resilience, COMAH, and other relevant subject-matter experts.
• Ensure hazards are identified, consequences are assessed, supporting safety assessments are available, and provisional safety categories are assigned.
• Arrange safety committee reviews and, where required, submissions to relevant PMP committees, ONR, and the Environment Agency.
• Monitor implementation, manage changes and hold-point releases, confirm safety case implementation, and stop work when agreed conditions change.
• Maintain plant drawings, generate and sign PMP amendments, manage overdue reporting, and provide accurate status updates.

Requirements

• PMP Manager SQEP aligned with SR0997 requirements.
• Demonstrable experience managing Category B–E PMPs.
• Project management or engineering background.
• Strong understanding of plant systems, design basis, engineering substantiation, and safety case principles.
• Deep understanding of Nuclear Site Licence Condition 22 requirements.
• Experience producing and implementing safety cases.
• Experience with nuclear hazard identification and assessment, including HAZOP.
• Understanding of ONR Technical Assessment Guides.
• Ability to obtain SC security clearance and meet the UK citizenship, passport, and five-year UK residency conditions.

Nice to have

• Experience working on complex infrastructure or nuclear projects.

Culture & Benefits

• Hybrid working arrangement based at Sellafield.
• Initial 12-month contract inside IR35.
• Work involves regulated nuclear-site processes, safety committees, and strict project schedules.

Hiring process

• Applications are submitted through the Morson recruitment portal.
• Only British citizens and passport holders who have not worked outside the UK during the past 5 years should apply.