Senior Mechanical Engineer

Senior Mechanical Engineer

Join BAE Systems and become a valued member of our global colleague network, helping to pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering advanced, technology-led defence, aerospace, and security solutions, shaping a safer future.

This role sits within the Warship Technical Authority (WTA) Service Hub, part of the Asset Management team within Warship Support. The WTA delivers whole ship, systems, and equipment engineering expertise and change management to ensure safe, assured, and high-quality support across Warship Support programmes.

Role Description:

As a Senior Mechanical Engineer, you will deliver key WTA service elements across naval platform systems. This includes design change, technical assurance, material state and obsolescence management, specialist engineering support, and future support or transformation planning.

Core Duties:

• Providing advanced mechanical engineering support across diverse naval platform systems, equipment, and critical marine services.
• Clarifying and managing platform system requirements, working with internal teams and external stakeholders.
• Delivering systems design integrity across varied engineering contexts, classes, and programme deployments.
• Conducting investigations, impact assessments, and integration analyses to enable evidence-based technical decisions.
• Ensuring safe and efficient implementation of design changes while maintaining configuration control and system integration.
• Mentoring engineers and driving engineering excellence within your projects.

Essential Skills and Experience:

• Experienced Mechanical Engineer, IEng or equivalent, with progressing professional accreditation (e.g. IMechE).
• Broad knowledge of complex naval platform systems, maritime defence standards, and/or other highly regulated industries (i.e., aviation, oil & gas, nuclear).
• Ability to operate effectively within lifecycle management, governance, assurance, and support frameworks.
• Proven stakeholder engagement with MOD, navies, OEMs, and industry partners, providing autonomous engineering delivery, guidance, and engineer development.
• Experience in at least two of the following areas: mechanical systems design assurance, product lifecycle, requirements compliance, engineering documentation, CAD modelling/drawings, equipment design or maintenance, trials delivery (e.g., FATs), or safety case activities and documentation.

Location and Working Arrangements:

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

About BAE Systems:

At BAE Systems, you’ll build a career with purpose and limitless possibilities. Benefit from lifelong learning, meaningful work, and opportunities to grow your career with confidence. Enjoy rewards tailored to your needs, support for your financial and personal wellbeing, and a balanced lifestyle. Our supportive culture fosters a strong sense of shared purpose, belonging, and pride in the difference you make.

Diversity and Inclusion:

We are committed to building an inclusive workplace where everyone feels valued and supported. We believe that a diversity of backgrounds, perspectives, and experiences strengthens our teams and is vital to our work.

Security and Export Control:

Please be aware that many roles at BAE Systems are subject to security and export control restrictions. These restrictions may impact eligibility based on factors such as nationality, previous nationalities held, and place of birth. All applicants must achieve Baseline Personnel Security Standard (BPSS). Many roles also require higher levels of National Security Vetting, typically requiring 5 to 10 years of continuous residency in the UK depending on the vetting level.