Principle Engineer – Combat Systems Product Team

Location: Frimley, Filton, Broad Oak, Weymouth and Devonport. We offer a range of hybrid and flexible working arrangements please speak to your recruiter about the options for this particular role.

Salary: competitive

What you’ll be doing:

• Specifying and managing functional and non-functional requirements
• Developing system design documentation
• Maturing Interface Control Documents (ICDs) in collaboration with other Combat System and Platform System teams
• Supporting procurement activities, including sub-contractor design reviews
• Providing support to platform integration teams
• Supporting the development of cost estimates for the activities and resources required to deliver the programme
• Reviewing Combat System, Platform and Supplier documentation
• Tracking and resolving technical issues as they arise

Your skills and experiences:

Essential:

• Knowledge of the complete engineering lifecycle and system engineering best practice with experience within a number of key lifecycle phases including requirements, system design, system integration and acceptance
• STEM related degree and relevant engineering experience within the aerospace, defence or maritime sectors
• Strong awareness of product safety and product security
• Experience using requirements and/or configuration management tools

Desirable:

• An understanding of underwater acoustics and/or the ocean environment
• Knowledge/experience of network communications and architectures, including Ethernet, and the Internet Protocol (IP) suite
• Knowledge/experience of system modelling using sysML and/or UML

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.

The Product Team:

Join a dynamic and collaborative Product Team at the forefront of delivering cutting-edge technology for the UK Royal Navy’s next-generation SSNA class submarines. Our multidisciplinary team brings together experts in Project Management, Supply Chain, Technical Assurance, and Engineering to design, integrate, and commission mission-critical hardware and software systems.

We’re a well-established yet growing team with a strong culture of support, innovation, and shared purpose. As we ramp up to meet long-term programme demands, you’ll play a pivotal role in shaping a complex, software-intensive product that will define naval capability well into the 2030s and beyond.

This is more than just a job, it’s a career-defining opportunity. With guaranteed work for the foreseeable future, the SSNA programme offers unmatched stability and scope for growth. You’ll engage directly with stakeholders, contribute to high-impact decisions, and depending on your aspirations, take on mentoring and leadership responsibilities as the team expands. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

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 (for example dyslexia, autism, an anxiety disorder etc.) 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: 3rd September 2025.

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.

#LI-Hybrid #LI-GV1