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BAE Systems

Mechanical Engineer

Location:  Portsmouth, United Kingdom
Location flexibility:  3 office days / week – Hybrid options are dependant on role and can range from fully remote to on-site full time
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Job Description

Job Title: Mechanical Engineer

Location: Portsmouth Broad Oak

Salary: Up to £45,500 depending on skills and experience

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us.

From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

Job Description:

As a Mechanical Engineer, you will apply knowledge and understanding to engineering theories, concepts, practices, principles and approaches and be able to apply theoretical engineering knowledge, experience and skills to develop products and services, specifications, designs and developments to resolve technical and performance issues. You will also design and develop solutions to a limited range of engineering situations and issues.

Core Duties:

  • Apply knowledge, skill and experience in company products, services, approaches, techniques and governance and work under technical supervision to resolve common engineering problems on a range of standard products and services
  • Undertake functional design and/or provide advice and qualification for the scope of responsibility and provide evidence for acceptance, fitness for purpose, regulatory & legislative requirements and safety
  • Liaise with both internal and external stakeholders as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed
  • Provide support for assurance that the design in adequate i.e. it is robust and provide supporting documentation for the safety case
  • Apply theoretical mechanical engineering knowledge, experience and skills to develop products & services, specifications, designs and developments
  • Work as an integral part of a multidisciplinary team and have the capability to assess your own designs from a manufacturing perspective

Essential Skills:

  • You will have a HNC or above in Mechanical Engineering
  • You will have experience using Siemans NX and Teamcentre
  • You will have experience using 2D CAD packages such as AutoCAD
  • You will be capable of generating customer facing documents such as reports and technical memorandums
  • You will have specific knowledge of Systems on Boats

The Future Products Engineering team:

Join a team at the forefront of maritime innovation and help shape the future of commando operations. You will play a key role in the development of the next generation of Commando Forces Connector Craft and the cutting-edge BAE Systems Littoral Strike Craft, supporting the exciting UK-Norway Joint Commando Craft programme.

This is an opportunity to work on pioneering maritime platforms that will enhance amphibious and littoral capability for decades to come. Working alongside a highly skilled and motivated team, you will be involved in solving complex engineering challenges and contributing to the delivery of world-leading defence solutions.

Beyond this programme, you will have the chance to collaborate with the wider Future Products Team, who are currently designing and manufacturing Herne, our Extra Large Autonomous Underwater Vehicle (XLAUV). This provides unique opportunities to broaden your experience across a portfolio of innovative, disruptive technologies that are redefining the future of naval capability.

If you’re passionate about innovation, advanced engineering, and delivering capability that makes a real difference, this is an exciting opportunity to help shape the future of maritime defence.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.

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: 28th September 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.

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Working at BAE Systems

3 office days / week – Hybrid options are dependant on role and can range from fully remote to on-site full time

A little flex time – We offer a range of hybrid and flexible working arrangements depending on the role you apply for – explore your options with our recruiter during the application process.

Company benefits

Adoption leave
Annual bonus
Buy or sell annual leave
Collaboration spaces
Cycle to work scheme
Electric Car Salary Sacrifice
Employee discounts
Enhanced maternity leave – 26 weeks paid, up to 52 weeks total, with the option of returning to work on reduced hours for the first 13 weeks
Enhanced paternity leave – 4 weeks for eligible employees
Enhanced pension match/contribution
Family health insurance
Fertility treatment leave
Gym membership – Discounts available
Health insurance
In house training
Learning license
Lunch and learns
Mental health support
Mental health first aiders
Mental health platform access
Modern office
Neonatal leave
Open to compressed hours
Open to job sharing
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Private booths
Referral bonus
Relocation packages
Reservist leave – 15 days
Salary sacrifice
Secure on-site parking
Share options
Shared parental leave
Mentoring

Awards & Accreditations

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Top 5 - Most loved - Large companies

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