
BAE Systems
Principal Systems Engineer - Software/Simulation
Job Description
Salary: £40,000 - 70,000 per year
Requirements:- Demonstrable experience of the application of Systems Engineering for software-based products
- Expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207)
- Strong background in requirements management (e.g., IBM DOORS Next desirable)
- Familiarity with engineering lifecycle models (Waterfall & Agile) and tools (e.g. JIRA)
- Background in software development and integration
- Technical leadership and ability to guide teams across disciplines to shape design solutions
- Provide hands-on technical leadership with a team of systems and software engineers
- Directly support the product System Design Authority
- Apply the principles of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle
- Undertake Simulation Systems equipment design, network design, and software design
- Lead requirement decomposition and manage specifications using tools like IBM DOORS Next
- Direct architectural modeling and interface definitions in tools such as CATIA Magic (Cameo)
- Drive system integration and define acceptance strategies for software-based systems
- Lead technical reviews and ensure compliance with customer, legislative & business requirements
- IBM
- Support
- JIRA
- Network
- AI
- Security
More:
We are BAE Systems, located in Portsmouth, offering a range of hybrid and flexible working arrangements. We provide a competitive salary of up to £75,900, depending on skills and experience, and a range of benefits including a competitive pension scheme, employee share plans, and access to flexible health and lifestyle benefits. As part of our growing MIMESIS product team, you will be empowered to make a real difference in an inclusive culture that values diversity and encourages your potential. Our Simulation and Training sector at Broad Oak focuses on maritime simulation technologies, working with a talented team of approximately 30 systems and software engineers.
last updated 31 week of 2026
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About BAE Systems

BAE Systems
Portsmouth
IT
Skills & Technologies
Inferred from job description
Salary Insight
£55,000
This role
£60,000
UK median
This salary is 8% below the UK median for Software Engineers (£60,000/yr).
Based on 2024–2025 UK technology sector benchmarks