Senior Mechanical Design Engineer
Plymouth, Devon + Hybrid Working Arrangements
Compensation
£44,600 – £55,800 depending on experience + benefits
Role Type
Full time / Permanent
Role ID
SF73716
Overview
At Babcock we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Senior Mechanical Design Engineer at our Devonport Royal Dockyard site.
The role
As a Senior Mechanical Design Engineer, you’ll play a key part in delivering complex engineering design solutions across critical defence infrastructure. Working within a highly skilled team, you’ll lead and support mechanical design activities for both nuclear and non-nuclear systems, helping to ensure safe, compliant, and reliable operations.
Day‑to‑day, you’ll have the opportunity to work across the full engineering lifecycle, from initial concept through to implementation, operation, and decommissioning. Your work will directly contribute to national defence capability while developing your technical leadership and engineering expertise in a dynamic environment.
- Lead the development and delivery of designs in accordance with the design process (Start‑up, Concept, Scheme, Detailed and Implementation phases) and relevant legislation
- Lead or manage a team of engineers, planning and organising their tasks and facilitating progress, providing guidance as appropriate
- Act as lead author for design and safety documentation and manage the production of supporting assessments
- Lead the provision of advice to line management and other key stakeholders, on the implementation and maintenance of design documentation and compliance with relevant codes, standards and legislation both nuclear and non‑nuclear
- Lead the provision of quality checking services with reference to technical speciality/expertise
Essential Experience
- Experience in mechanical engineering principles applied to the design, operation, and maintenance of systems including Steam and Condensate, Industrial Gases, Fresh Water, Demineralised Water, and Domestic Water services
- Proficient in digital tools and platforms, with a good level of computer literacy to support design, analysis, documentation, and collaboration
- Experience in applying the full design lifecycle across engineering projects
- Knowledge of relevant regulations, legislation, and technical standards governing mechanical services system design, ensuring compliance and safety
- Knowledge of operating within nuclear or other high‑hazard industries
Qualifications
- Level 6 qualification in a mechanical engineering discipline, or Level 5 with significant relevant experience (essential)
- Professionally registered with a recognised engineering institution such as the Institution of Mechanical Engineers or Institution of Engineering and Technology – desirable
Security Clearance
The successful candidate must be a sole UK National who is able to achieve and maintain Security Check (SC) security clearance for this role. Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This may affect eligibility based on place of birth, nationality, citizenship, and residence.
Benefits
- Generous holiday allowance
- Matched contribution pension scheme, with life assurance
- Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
- Employee share scheme
- Employee shopping savings portal
- Payment of Professional Fees
- Reservists in the armed forces receive 10‑days special paid leave
- Holiday Trading allows employees to buy additional leave or sell up to one working week of annual leave
- ‘Be Kind Day’ enables employees to take one working day paid leave a year to volunteer with a chosen organisation or charity
- Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing
Closing Date
03/06/2026
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