Principal Systems Engineer - Software/Simulation

Location: Portsmouth – Broad Oak. We embrace a range of hybrid and flexible working arrangements. Let’s discuss the options that work best for you!

Salary: Up to £75,900, based on your skills and experience.

As a Principal Systems Engineer, you will:

• Lead a talented team of systems and software engineers, providing hands-on technical leadership and supporting the product System Design Authority.
• Utilize Systems Engineering principles to develop innovative software-based Simulation Systems throughout the entire engineering lifecycle.
• Engage in design tasks for Simulation Systems equipment, network architecture, and software solutions.
• Manage requirement decomposition and specifications using tools like IBM DOORS Next.
• Direct architectural modeling and interface definitions with tools such as CATIA Magic (Cameo).
• Drive system integration and define acceptance strategies for software-based systems.
• Conduct technical reviews to ensure compliance with customer, legislative, and business requirements.

We’re looking for candidates who have:

• Proven experience in applying Systems Engineering for software-based products.
• Expertise in Systems Engineering and Software integration lifecycle principles (ISO 15288 and 12207).
• A strong background in requirements management (experience with IBM DOORS Next is desirable).
• Familiarity with engineering lifecycle models (Waterfall & Agile) and tools (e.g., JIRA).
• A background in software development and integration.
• Technical leadership skills to guide teams across disciplines in shaping design solutions.

At BAE Systems, we offer more than just a competitive salary. Enjoy:

• A robust pension scheme.
• Employee share plans.
• An extensive range of flexible health, wellbeing, and lifestyle benefits, including a green car scheme, private health plans, and shopping discounts.
• Potential eligibility for an annual incentive.

Join our Simulation and Training sector at Broad Oak Works Portsmouth, where you’ll work on our cutting-edge MIMESIS product. This innovative system simulates the maritime battlespace, accurately modeling everything from terrain to the unique capabilities of ships and submarines.

As a System Technical Lead within the MIMESIS team, you will:

• Take technical responsibility for designing and developing new modules/content.
• Review and approve lower-level documentation.
• Provide technical guidance to the engineering team, collaborating closely with the System Design Authority.

This is a unique opportunity to be part of a growing team of around 30 systems and software engineers, shaping the future of maritime simulation through new user interface capabilities like AR/XR and leveraging emerging technologies such as AI.

Here, you’ll make a real difference in an inclusive culture that values diversity of thought and rewards integrity and merit. We empower you to reach your full potential and welcome individuals from all backgrounds. If you have a disability or health condition that may affect your performance in certain assessments, we encourage you to discuss potential reasonable adjustments with your recruiter.

Important Security Information: Many roles at BAE Systems are subject to security and export control restrictions. Factors such as your nationality, any nationalities you may have previously held, and your place of birth can affect your eligibility for certain roles. All applicants must achieve at least the Baseline Personnel Security Standard, with many roles requiring higher levels of National Security Vetting.

Closing Date: 1st December 2025. We may close this vacancy early if we receive sufficient applications, so don’t wait—apply early!

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