Principal Systems Engineer
Principal Systems Engineer

Principal Systems Engineer

Belfast Full-Time 60000 - 80000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Join us as a Principal Systems Engineer, tackling real-world challenges in radar technology.
  • Company: BAE Systems is a global leader in defence, committed to innovation and excellence.
  • Benefits: Enjoy flexible working hours, competitive pension schemes, and exclusive health and lifestyle perks.
  • Why this job: Make a difference in defence while growing your skills in a supportive, inclusive environment.
  • Qualifications: A background in systems engineering and knowledge of radar systems is essential.
  • Other info: Flexible and hybrid working options available, with easy access to our Cowes location.

The predicted salary is between 60000 - 80000 £ per year.

Job Title: Principal Systems Engineer

Location: Cowes, Broad Oak, Great Baddow – Part time & accruing hours available. Please let us know if you would like to discuss these options

Salary: Up to £75,900 (dependent on skills and experience)

What you’ll be doing:

  • Develop novel solutions to evolving technical challenges and emerging issues for complex Radar Systems that our customers and end-user communities are facing
  • Apply a breadth of knowledge, skills and experience of Systems Engineering principles, techniques and governance to steer and develop technical solutions and resolve engineering issues
  • Conduct system design analysis to manage trade-offs of system parameters to characterise and specify robust product design
  • Lead the decomposition of requirements to system and sub-system level and manage these in an approved toolset such as IBM DOORS Next
  • Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team
  • Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions
  • Direct and undertake system integration, test planning and execution
  • Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders
  • Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering

Your skills and experiences:

  • A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation
  • A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements
  • Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288)
  • Experience of presenting both technical and non-technical information in a formal setting

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 Radar Systems Engineering team:

You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new radar products to address emerging and future threats. This role is a fantastic opportunity to enhance your skills and invest in your career journey within a global business. You will be supported in growing your knowledge in contemporary and cutting-edge Radar techniques, with opportunities to develop your skills and responsibilities in technical leadership

In this role, you will be able to enjoy both flexible and hybrid working arrangements. Our workplace in Cowes is an easily accessible commute from Southampton with a regular foot passenger ferry and BAE shuttle service from the ferry terminal to site.

As the world has evolved, so has the way we work. Our working approach, will enable you to have flexibility with your working hours, depending on your role and location. This could include part time hours, accruing hours as well as flexibility around start and finish times, ensuring you can balance life at work, on site and life at home

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 19th February 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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Principal Systems Engineer employer: BAE Systems.

BAE Systems is an exceptional employer, offering a dynamic work environment where you can contribute to cutting-edge radar technology that serves and protects. With a strong focus on employee growth, flexible working arrangements, and a culture that values diversity and inclusion, you'll find ample opportunities to enhance your skills and advance your career in the defence industry. Located in Cowes, easily accessible from Southampton, our workplace fosters collaboration among interdisciplinary teams, ensuring that every day brings exciting challenges and meaningful contributions.
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Contact Detail:

BAE Systems. Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Systems Engineer

✨Tip Number 1

Familiarise yourself with the latest trends and technologies in radar systems. Being knowledgeable about current advancements will not only help you during interviews but also demonstrate your genuine interest in the field.

✨Tip Number 2

Network with professionals in the defence industry, especially those working in systems engineering. Attend relevant conferences or webinars to connect with potential colleagues and learn more about the company culture at BAE Systems.

✨Tip Number 3

Prepare to discuss specific examples of how you've applied systems engineering principles in past projects. Highlight your problem-solving skills and ability to collaborate across disciplines, as these are key aspects of the role.

✨Tip Number 4

Research BAE Systems' recent projects and initiatives in radar technology. Being able to reference their work during your discussions will show that you're proactive and genuinely interested in contributing to their mission.

We think you need these skills to ace Principal Systems Engineer

Systems Engineering Principles
Signal Processing
Target Track Extraction
Object Classification Algorithms
System and Sensor Resource Optimisation
ISO 15288 Knowledge
Requirements Decomposition
IBM DOORS Next
System Design Analysis
Technical Leadership
Integration and Test Planning
Acceptance Strategies Definition
Collaboration Across Disciplines
Presentation Skills
Problem-Solving Skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience and skills that align with the job description for the Principal Systems Engineer role. Focus on your knowledge of Systems Engineering principles, technical solutions, and any experience with radar systems.

Craft a Compelling Cover Letter: Write a cover letter that not only introduces yourself but also explains why you are passionate about the defence industry and how your background makes you a perfect fit for this position. Mention specific projects or experiences that relate to the responsibilities outlined in the job description.

Showcase Relevant Skills: In your application, emphasise your understanding of signal processing, system design analysis, and your ability to collaborate across engineering disciplines. Use examples from your past work to demonstrate these skills effectively.

Proofread Your Application: Before submitting, carefully proofread your application materials for any spelling or grammatical errors. A polished application reflects your attention to detail, which is crucial for a role in Systems Engineering.

How to prepare for a job interview at BAE Systems.

✨Showcase Your Systems Engineering Knowledge

Make sure to highlight your understanding of Systems Engineering principles, especially those relevant to radar systems. Be prepared to discuss specific standards like ISO 15288 and how they apply to real-world scenarios.

✨Demonstrate Problem-Solving Skills

Prepare examples of how you've developed novel solutions to complex technical challenges in the past. This could involve discussing specific projects where you tackled issues related to signal processing or system optimisation.

✨Communicate Effectively

Practice presenting both technical and non-technical information clearly and concisely. You may be asked to explain complex concepts to stakeholders who may not have a technical background, so clarity is key.

✨Collaborate and Lead

Be ready to discuss your experience working with cross-functional teams. Highlight instances where you led analysis activities or guided team members in system design decisions, showcasing your leadership and collaborative skills.

Principal Systems Engineer
BAE Systems.
Location: Belfast

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