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2 days/week at home

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.

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Job Description

Job Title: Principal Engineer – Cyber Security

Location: Frimley, Bristol, Weymouth, Portsmouth, Barrow or Brough. 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:

  • Building a risk based set of cyber security requirements for a system or sub system, providing technical guidance and support for all aspects of cyber security and resilience
  • Conducting cyber security analysis work, developing threat taxonomies, security architectures, security baselines and risk mitigations
  • Producing test plans-and schedules together conducting informal and formal cyber security testing
  • Supporting engineering gated reviews and design assurance activities
  • Production of security artefacts such as risk registers, security assurance cases, plans and schedules. Provide security input into related engineering documentation

Your skills and experiences:


  • Degree (or equivalent experience) in a relevant STEM subject or Information Security related
  • Recognised Industry Security Qualifications, e.g. CCP, CISSP, CISM (or able to achieve)
  • Proven experience of assessing and managing risk in line with industry good practice (NIST, ISO 27001)
  • Significant experience with using security baselines, mitigations and controls
  • Engineering background and or strong familiarity with a life cycle phased approach


  • Experience of Product Security activities in the defence, maritime or closely linked domain
  • Experience of MOD Policies and regulations such as SPF, JSP 440 and JSP604 and production of Risk Management Accreditation Document Set (RMADS)
  • Knowledge of the challenges affecting security of Operational Technologies/ Industrial Control Systems and approaches to secure them
  • Project Management exposure


You’ll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You’ll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts – you may also be eligible for an annual incentive.

The Engineering Delivery Team:

The team designs, builds, integrates and provides through life support to all the Submarine Platforms in the Royal Naval fleet. You will ensure the submarine systems and products are developed to support the delivery of an appropriately secure and resilient product.

Through application of your knowledge and experience, you shall identify, analyse, evaluate and manage information security risks associated with the products used on-board the submarine. Speaking knowledgably and credibly with customers, users and internal stakeholders you shall provide advice on the causes of the risks identified, their likelihood and potential operational impacts.

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, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome candidates from all backgrounds and particularly from sections of the community who are currently underrepresented within our industry, including women, ethnic minorities, people with disabilities and LGBTQ+ individuals. We also 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 working for BAE Systems will be subject to both security and export control restrictions. These restrictions mean that factors including your nationality, any previous nationalities you have held, and your place of birth may limit those roles you can perform for the organisation.

Closing Date: 19th June 2024

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.





Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Open to part time work for some roles
Gym membership
Buy or sell annual leave
Bank holiday swaps
Company shutdown periods
Share options
Matched pension contribution
Salary sacrifice
Employee discounts
Lunch and learns
More information needed
More information needed
More information needed
Work-life balance
More information needed
Role modelling
More information needed
More information needed

Working at BAE Systems

Company employees


Office locations

UK-wide - more than 50 locations

Hiring Countries

United Kingdom

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