Job Title:
Principal Systems Engineer
Location:
Frimley. We offer a range of hybrid and flexible working arrangements – please
speak
to your recruiter about the options for this particular role
Salary:
Negotiable dependant on experience
What you’ll be doing:
Provide oversight and technical
ownership
of CCS design,
leading
design
decisions
and supporting the Engineering
Manager
in delivering in-service programmes
Ensure technical
leadership
by controlling project scope,
managing
design changes, and engaging stakeholders and suppliers to identify risks early
Lead
programme-level design reviews, coordinate stakeholders,
manage
design baselines and voids, and produce Certificates of Design while ensuring design governance
Review and influence technical requirements and architectural design to ensure system integration, covering sub-systems and specialist domains for subcontractor design, development, and qualification
Provide specialist knowledge and subject matter
expertise
in the integration, validation and verification of systems
Your skills and experiences:
Essential:
Extensive experience in network or software engineering, ideally with a background in operations
Ability to take the
lead
on technical matters and provide
expert
guidance
Chartered Engineer status or working towards
Specialist
expertise
in Combat Systems, particularly in relation to submarines, would be advantageous
Familiarity with DOORS and prior
hands-on
experience using it
Proven
experience in change
management
processes
Desirable:
Systems Engineering (INCOSE) qualifications
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 team:
You will be joining the In-Service Programme team, working on the V Class, where you’ll thrive in a fast-paced environment, delivering high-quality results within tight enterprise timelines. As part of a medium-sized core team of 6-12, you’ll also collaborate with a wider group of around 30, engaging with a broad stakeholder network. This role demands
strong
technical
leadership ,
owning
challenges ,
proactively
solving problems, and working with the right stakeholders to drive solutions forward. 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:
23rd December 2025
We reserve the right to close this vacancy early if we receive sufficient applications f or the r ole. Therefore, if you are interested, please submit your application as early as possible.
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