Senior Engineer – Mechanical Services (BBBH438658) Plymouth, England
Job Title: Senior Mechanical Services 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 multidisciplinary 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 multidisciplinary 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
- Experience and knowledge in the design and implementation of Mechanical Systems/Services, preferably fluid systems such as water/pipe systems, pneumatics or hydraulics.
- Understanding of how to substantiate complex requirements, preferably from the nuclear industry.
- Experience of design support to construction, operation, refit/repair of conventional and nuclear submarines and/or facilities.
- Relevant knowledge and skills required for the technical management of complex design development throughout the design lifecycle.
- Ability to provide expert advice to sub‑contracted design houses to enable them to develop the design.
- Sound understanding of engineering design and safety practice as relevant to discipline, post and project requirements.
- Project specification, planning, project management and budgeting experience.
- Understanding of company and departmental procedures relating to Design, Health & Safety and Quality requirements, and ability to manage projects in accordance with these procedures.
- 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.
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