Job Description

Job Title: Principal Systems Engineer (Platform Integration)
Location: Barrow-In-Furness (Hybrid - Expectation to be in the Barrow Office 2 days every other week) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role.
Salary: Negotiable depending on experience
What you'll be doing:

• Representing the Combat Systems team while collaborating with the platform teams in Barrow
• Design and compilation of technical specifications to deliver capabilities in supporting the IV&V strategy
• Collaborating with the Combat System domains engineering teams to ensure their systems can be integrated into the platform
• Planning the physical integration and test of systems containing electronic, mechanical and software sub-systems, understanding the potential impact on the whole boat and interfacing systems
• Taking accountability for technical work packages and Combat Systems (CS) equipment
• Leading Platform Integration meetings bringing together key stakeholders to understand technical and programmatic risks and developing action plans to resolve them
• Steering test systems development through implementation of best practice systems lifecycle processes
• Providing leadership, guidance and coaching to other engineers

Your skills and experiences:
Essential:

• Degree level qualification (or equivalent experience) in a relevant STEM subject (Engineering/ Physics/ Maths/ Science)
• Knowledge of the system engineering lifecycle with the ability to apply good systems engineering practices to your work
• Ability to collaborate effectively with a wide range of technical and non-technical stakeholders, driving actions to completion

Desirable:

• Awareness of Defence Standards and Industry standards whilst not essential would be an advantage
• Experience of submarine design or combat systems whilst not essential would be an advantage

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 Combat Systems Build Integration and Test team:
As a Principal Systems Engineer (IV&V), you will be performing a host of system engineering and design activities for the execution of the IV&V strategy, primarily focused on physical integration into the submarine platform. This will involve a broad spectrum of tasks involving the design and setup of the facilities and capabilities (Test Rigs) along with supporting the test programmes through to system certification. These activities are pivotal in supporting the design, development, integration and qualification of complex systems for in-build vessels. You will be able to expand your professional network by regularly travelling to other BAE sites.
This role presents an exciting opportunity for someone that is interested in future progression with the successful candidate, developing to become the Platform Integration lead for the Combat Systems Build, Integration and Test team in Barrow. Mentoring and support will be provided to help you on that journey. 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: 7th October 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.
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Skills Required