Job Title: Senior Mechanical Servies Engineer
Rate: £73 per hour via Umbrella (Inside IR35)
Location: Devonport
Contract Length: 12 Months
Role purpose
The primary purpose of this role is to lead and assure delivery of multi?disciplinary dockside design work to the required safety, quality, schedule and cost. Operating with a high level of autonomy, the postholder will own one or more work packages end?to?end, set technical direction, plan and control delivery, manage multi?disciplinary interfaces, and review/check fit?for?purpose design documentation and technical deliverables. The Senior Engineer will act as a key interface to the Design Manager and Principal Mechanical Engineer (Mechanical Services Lead), providing technical leadership, risk ownership, supplier oversight, and mentoring to engineers and designers.

Key Responsibilities

• Own/manage the technical baseline and requirements for assigned packages; act as Responsible Engineer and technical focal point from need identification through handover.
• Check and review key deliverables: calculations, drawings, specifications, BoMs, method statements, T&IPs, installation details and as?built records.
• Lead design optioneering and LFE (lessons learned), ensuring solutions are buildable, maintainable and operable.
• Provide formal checking/verification and sign?off per project quality plans; act as Checker where authorised.

Planning, Control & Reporting

• Build and own the design work plan (scope, assumptions, estimates, resources), align with schedule, and track/report progress.
• Manage change control, configuration, and auditable records; maintain risk/issue/action registers.
• Provide clear status reporting to the Design Manager/Project Manager and drive recovery actions where needed.

Quality, Governance & Assurance

• Ensure compliance with the Business Management System and Technical Manuals, applicable codes/standards and site rules.
• Organise and lead package?level Design Reviews, HAZIDs, constructability and ALARP reviews; close actions as required.
• Deliver right?first?time outputs (coordinated, clash?checked, specification?compliant).

Safety, CDM & Risk

• Discharge Designer duties under CDM; lead elimination/reduction of risk through design and document residual risks.
• Own safety assumptions, interlocks and protection logic (e.g., cranes/machinery), ensuring compliance with LOLER/PUWER principles where applicable.

Qualifications / Requirements

• Demonstrate experience and knowledge in the design and implementation of Mechanical Systems/Services, preferably fluid systems such as water/pipe systems, pneumatics or hydraulics.
• Demonstrate understanding of how to substantiate complex requirements, preferably from the nuclear industry.
• Demonstrate experience of the design support to construction, operation, refit/repair of conventional and nuclear submarines and/or facilities.
• Demonstrate relevant knowledge and skills required in the technical management of complex design development throughout the design lifecycle.
• Provide expert advice to the sub-contracted design houses to enable them to develop the design.
• Demonstrate a sound understanding of engineering design and safety practice as relevant to discipline, post and project requirements.
• Demonstrate project specification, planning, project management and budgeting experience.
• Demonstrate understanding of company and departmental procedures relating to Design, Health & Safety and Quality requirements, and ability to manage projects in accordance with these procedures.
• Demonstrate a working knowledge of relevant engineering office computer applications.
• Lead on safety, support regulatory and nuclear processes (CDM Designer, ALARP) and HAZIDs.
• Maintain rigorous configuration/document control to BMS/Technical Manuals.