Principal Systems Engineer Software/Simulation (Southsea)

Location: Portsmouth, Broad Oak

We believe in flexibility! Explore our range of hybrid and flexible working arrangements—just ask your recruiter about the options available for this role.

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

As a Principal Systems Engineer, you will:

• Provide hands-on technical leadership to a dynamic team of systems and software engineers, directly supporting the product System Design Authority.
• Apply the principles of Systems Engineering to develop innovative software-based Simulation Systems throughout the entire engineering lifecycle.
• Engage in 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 to ensure compliance with customer, legislative, and business requirements.

We’re looking for someone with:

• Demonstrable 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 value our employees! Enjoy:

• A competitive pension scheme.
• 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.
• Potential eligibility for an annual incentive.

Join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land Defence Solutions, working on our cutting-edge MIMESIS product.

MIMESIS offers a comprehensive battlespace simulation of the maritime world, accurately modeling the movement and behavior of ships, submarines, and other platforms. As a System Technical Lead within the MIMESIS team, you will:

• Have technical responsibility for the design and development of 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 approximately 30 systems and software engineers, shaping the next generation of maritime simulation through innovative user interface capabilities like AR/XR and leveraging emerging technologies such as AI.

Here, you can truly make a difference! We foster an inclusive culture that values diversity of thought, rewards integrity and merit, and empowers you to reach your full potential. We welcome individuals from all backgrounds and strive to make our recruitment processes as inclusive as possible. If you have a disability or health condition that may affect your performance in certain assessments, please discuss potential reasonable adjustments with your recruiter.

Important Note: 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 reserve the right to close this vacancy early if we receive sufficient applications. If you're interested, we encourage you to submit your application as soon as possible!

#LI-TP1

#LI-Hybrid