Systems Engineer

In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade-offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model-Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi-domain challenges, visualise dependencies and maintain structured decision records throughout delivery.

You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership, you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working., This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management.

The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management, Maintenance Management, Supply Chain, Data and Digital Services.

The Principal Systems Engineer provides technical leadership, acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams.

As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management, Platform Technical Assurance, Material State Management, Obsolescence Management, Specialist Engineering Support, Future Support and Transformation Planning.

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., Datacenter People are currently supporting a specialist energy & digital infrastructure advisory practice in the appointment of a Principal Power Systems Engineer to help lead complex grid and substation mandates across Europe and wider international markets. This is not a..., Principal Digital IC Design Engineer Qualifications, skills, and all relevant experience needed for this role can be found in the full description below. Location: Fareham, Hampshire (Hybrid Working Available) Salary: £87,000 + bonus Contract: Permanent Visa Sponsorship is..., Principal Solution Engineer Location: London - remote Salary: DoE We are partnered with a rapidly expanding SaaS provider delivering a powerful, cloud-based revenue life cycle management platform. The technology enables global organisations to automate and optimise their..., Job Title: Principal Mechanical Engineer Location: Portsmouth Naval Base working a hybrid pattern We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Circa £54,500 dependent on..., Lead Subsea Acoustics Engineer Please make sure you read the following details carefully before making any applications. Near Farnborough £Competitive + Bonus + Great Benefits Were seeking an innovative Lead or Principal Engineer to guide the development of next-generation..., Systems Engineer - Defence Technology Location: South of England, Hampshire (exact location shared at screening stage) Working Pattern: Fully On-Site, 37 hours per week Security Requirement: Sole UK Nationals Only - must be eligible for high-level national security vetting..., A respected consultancy in the UK seeks a Senior / Principal Electrical Engineer to join their Water team. The role involves delivering detailed specifications for water projects and collaborating with multi-disciplinary teams. Candidates should have a degree in Electrical... © 2026, Jobsora.com

• You'll have strong experience of applying systems engineering across the lifecycle, including requirements management, architecture definition, integration, MBSE and V&V
• You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces
• You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288
• You'll have exposure to system integration and verification activities to ensure functional and performance needs are met
• You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability, Are you excited about understanding, interpreting, and navigating complex engineering issues? Are you motivated by creating sustainable change that benefits society and nature? Are you a curious and open-minded person?If this sounds like you, or you're curious to learn..., System engineering lifecycles, tailoringand planning - Experience with working with commercial managers and civil contractors to achieve system installation and deployment as locations required by the client - Chairing design reviews - Requirements elicitation &...

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., 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., Bennett & Game are representing a fast-growing and award-winning Civil, Structural and Transport Planning consultancy. They are looking to employ a Principal and Senior Civil Engineer to join their expanding team. With a diverse client base ranging from local businesses to..., HB Tunnelling Design & Engineering Team is expanding due to increasing workloads in the civil engineering sector. We're an established, forward-thinking engineering consultancy delivering innovative solutions across infrastructure, transport, energy, and built environment..., A leading medical device manufacturer in Southampton seeks a Principal Engineer - Sustainability Lead to drive sustainable engineering solutions and lead decarbonisation programs. This role focuses on assessing and implementing eco-design strategies to reduce environmental...