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Principal Systems Engineer – Software/Simulation
BAE SystemsSouthsea, Hampshire🇬🇧United KingdomPosted 12 Feb 2026
Why This Role Stands Out
This leadership role at BAE Systems offers you the chance to drive innovation in high-impact simulation technology while benefiting from a competitive salary of up to £75,900 and excellent hybrid flexibility. You will thrive here if you are an expert systems engineer ready to lead complex technical designs and mentor a talented team across the full engineering lifecycle. Take the next step in your career with a global industry leader and apply today to shape the future of software-based systems.
Quick Overview
Salary
£75.9k/yr
Work Type
Hybrid
Level
Leader
Job Description
<p><strong>Job Title: </strong>Principal Systems Engineer – Software/Simulation</p>
<p><strong>Location:</strong> Portsmouth – Broad Oak – We offer a range of hybrid and flexible working arrangements – please <span class="rec-format">speak</span> to your recruiter about the options for this particular role</p>
<p><strong>Salary:</strong> Up to £75,900 (dependent on skills and experience)</p>
<p><strong>What you’ll be doing:</strong></p>
<ul>
<li>Provide <span class="rec-format">hands-on</span> technical <span class="rec-format">leadership</span> with a team of systems and software engineers, and directly support the product System Design Authority</li>
<li>Apply the <span class="rec-format">principles</span> of Systems Engineering to develop software-based Simulation Systems across the full engineering lifecycle</li>
<li>Undertake Simulation Systems equipment design, network design and software design</li>
<li><span class="rec-format">Lead</span> requirement decomposition and <span class="rec-format">manage</span> specifications using tools like IBM DOORS Next</li>
<li>Direct architectural modelling and interface definitions in tools such as CATIA Magic (Cameo)</li>
<li>Drive system integration and define acceptance strategies for software-based systems</li>
<li><span class="rec-format">Lead</span> technical reviews and ensure compliance with customer, legislative & business requirements</li>
</ul>
<p><strong>Your skills and experiences:</strong></p>
<ul>
<li>Demonstrable experience of the application of Systems Engineering for software-based products</li>
<li><span class="rec-format">Expertise</span> in Systems Engineering and Software integration lifecycle <span class="rec-format">principles</span> (ISO 15288 and 12207)</li>
<li><span class="rec-format">Strong</span> background in requirements <span class="rec-format">management</span> (e.g., IBM DOORS Next – desirable)</li>
<li>Familiarity with engineering lifecycle models (Waterfall & Agile) and tools (e.g. JIRA)</li>
<li>Background in software development and integration</li>
<li>Technical <span class="rec-format">leadership</span> and ability to guide teams across disciplines to shape design solutions</li>
</ul>
<p><strong>Benefits</strong></p>
<p>As well as a <span class="rec-format">competitive</span> 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.</p>
<p><strong>MIMESIS Product team:</strong></p>
<p>You will join our Simulation and Training sector at Broad Oak Works Portsmouth, part of BAE Systems Maritime and Land working on our MIMESIS product.</p>
<p>MIMESIS provides a battlespace simulation of the maritime world; from terrain and seabed, to weather and underwater acoustics, accurately modelling the movement and behaviour of ships, submarines and other platforms, and digitally replicating their unique capabilities (sonars, radars, weapons). As a System Technical <span class="rec-format">Lead</span> within the MIMESIS team, you will have technical responsibility for the design and development of new modules/content for the product, reviewing and approving lower level documentation. You will also provide technical guidance to the engineering team, working closely with System Design Authority, to develop and support MIMESIS for our customers.</p>
<p>This is a unique opportunity to join a growing team of approximately 30 systems and software engineers, working to shape the next generation of maritime simulation through the adoption of new user interface capabilities such as AR/XR and leveraging the capabilities of emerging technologies such as AI.</p>
<p><strong>Why BAE Systems?</strong></p>
<p>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 <span class="rec-format">etc</span>.) that may affect your performance in certain assessment types, please <span class="rec-format">speak</span> to your recruiter about potential reasonable adjustments.</p>
<p>Please be aware that many roles at BAE Systems are subject to both security and export <span class="rec-format">control</span> restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict <span class="rec-format">the roles</span> you are eligible to perform within the organisation. All <span class="rec-format">applicants</span> <span class="rec-format">must</span> as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where <span class="rec-format">applicants</span> <span class="rec-format">must</span> typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for <span class="rec-format">the role</span>, to allow for meaningful security vetting checks.</p>
<p><strong>Closing Date</strong> 27th February 2026</p>
<p>We reserve the right to close this vacancy early if we receive sufficient applications for <span class="rec-format">the role</span>. Therefore, if you are interested, please submit your application as early as possible.</p>
<p>#LI-TP1</p>
<p>#LI-Hybrid</p>
Skills
Agile
Jira
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