Job Title: Senior Systems Engineer (Performance & Integration)

Location: Portsmouth Broad Oak – Full time on site

We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role

Salary: Up to £54,000 dependent on skills and experiences

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us.

From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

Role description:

The Senior Systems Engineer (Performance & Integration) will work as an embedded Systems Engineer within the Underwater Battlespace Software and Simulation development team, contributing to test, verification, integration, and acceptance activities across the full development lifecycle, with a particular focus on the evaluation and integration of software sub-systems.

The role includes planning and coordinating test activities, tasking and supporting other testers, reviewing test reports, and collating test evidence to ensure accurate, timely input to project milestones and acceptance decisions.

Core duties:

• Planning and executing testing of torpedo tactical and control software increments to support verification of the implementation against requirements and defined algorithm specifications
• Creating and executing test scenarios to exercise software implementations on both PC-based and real time hardware-in-the loop simulators
• Supporting the planning and evaluation of test scenarios for in-water trials events of torpedo products
• Supporting the integration and evaluation of torpedo tactical and control software on target hardware systems
• Conducting studies to support assessment of the performance and effectiveness of software and algorithmic implementations of torpedo products
• Providing technical guidance to immediate team, including tasking of test engineers

Essential skills:

• You have a deep understanding of engineering principles, software systems, and systems thinking, applying holistic, end‑to‑end approaches to complex design and integration challenges
• You demonstrate understanding, knowledge and experience of Systems Engineering with embodiment of software systems, including knowledge of appropriate Systems Engineering and Software Engineering standards (e.g. ISO 15288 and ISO 12207 respectively)
• You have experience in the standalone testing and evaluation of complex software systems
• You have experience in both software subsystem integration and software/hardware integration
• You have a proven ability to present technical and non‑technical information with clarity and confidence to diverse stakeholders, supported by high IT proficiency and a relevant STEM qualification

The BAE Systems Torpedoes Software and Simulation team:

The Software and Simulation team is a diverse group of around 30 systems and software engineers delivering world‑leading torpedo software, simulators, and performance assessments. As part of this collaborative team, you will help develop and support current and next‑generation products while growing your skills and future career opportunities.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.

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: 6th May 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.

#LI-JP1

#LI-Onsite