Senior Marine Mechanical / Piping Design Engineer (Portsmouth)

Location: Portsmouth. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role.

Salary: Up to £50,000 dependent on skills and experience.

What you’ll be doing:

• Support the developing, maintaining and modifying engineering processes and procedures in assigned areas in response to technical developments and operational need.
• Produce and develop complex designs in line with specifications and all quality and technical standards, and carry out detail design appraisals in assigned areas to ensure all standards are maintained, taking due cognisance of design for production.
• Carry out investigations into operational problems or developments and develop and prepare solutions, individually or as a member of a design team.
• Support the development of best practice to increase the capability and performance of tools and processes.
• Identify training requirements, skills gaps and development requirements of own discipline.
• Undertake task verification/checking of other design engineer’s work as directed by principal engineering manager.
• Lead and conduct ship trials, surveys and engineering support activities.

Your skills and experiences:

• AutoCAD/Inventor design experience and the ability to produce detailed manufacturing & assembly drawings.
• An understanding of detailed system and technical engineering drawings including manufacturing drawings with knowledge of projection layouts, scaling & tolerancing.
• Knowledge of ship system engineering drawings such as diagrammatic, piping isometrics and also ship systems materials and equipment (symbols).
• Knowledge of maritime warship/commercial systems i.e. fluid based systems, mechanical systems, and able to perform, as a minimum, basic pressure loss and flow calculations, with a view to sizing pipework in designs.
• Understanding of naval ships commercial mechanical/piping systems for various classes of vessel.
• HND/HNC in a Mechanical discipline.

Benefits:

As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive.

Design Services Team:

Design Services are BAE Systems Maritime ‘in service’ technical support cell located within Portsmouth Naval Base. We employ approx. 180 personnel across all disciplines including Mechanical, Electrical & Combat Systems (ECS), Structures / Outfit (S&O) and HVAC to create modification design packages and reports for installation and integration on legacy warships. Along with our Safety section, and Naval Architects, we are a broad mix of varying engineering & educational backgrounds and experience.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date: 25th February 2026. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.