Senior System Architect - Platform Interface

Join Our Team as a Senior System Architect - Platform Interface!Location: Portsmouth (Broad Oak), Filton, Dorchester, hybrid - 3 days on site. This role will involve routine travel to other southern BAE sites within the UK and occasionally internationally. Salary: Up to £89,520, depending on experience. Who We AreAt BAE Systems, you’re not just taking a job; you’re becoming part of a mission. As a valued member of our global network, your unique skills and perspectives will help us pioneer progress and protect what matters most. Together, we’ll deliver advanced, technology-led defence, aerospace, and security solutions that shape a safer future for everyone. From the depths of the ocean to the far reaches of space, your career at BAE Systems has no limits! Your RoleAs a Senior Mission System Architect (Platform Interface), you will be at the forefront of integrating platform, mission, and support systems across future naval platforms. Your expertise will define platform-agnostic architectures that enable seamless interaction between propulsion, power, control, combat, and auxiliary systems, as well as offboard monitoring. In this role, you will: Lead the platform interface architecture and integration strategy. Define standards, interfaces, and system integration principles. Resolve complex cross-domain integration and interoperability challenges. Embed cyber resilience, safety, and assurance into architectural solutions. Support digital ship technologies, automation, and control systems. Influence stakeholders on platform integration strategy and delivery.

A degree in Engineering (or a related subject). Full membership of an appropriate engineering institution and be a Chartered Engineer (or actively working towards it). Extensive experience in maritime systems integration and system-of-systems architecture. Strong knowledge of platform automation, control systems, and digital engineering.

About Our TeamWithin the dynamic and rapidly expanding Naval Ships Combat Systems business, you will join a highly skilled team of system architects dedicated to shaping the future of maritime mission systems. Collaborating on domestic and international programmes, your specialist expertise will ensure that our solutions are innovative, future-force-ready, and aligned with customer and business needs. Why Choose 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 recognized for your contributions and enjoy rewards tailored to what matters most to you and your family, including support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment that embraces sustainable ways of working and a strong sense of shared purpose, our supportive culture is a place where you can truly belong and be proud of the difference you make. A Place Where Everyone Can ThriveWe’re committed to building an inclusive workplace where everyone feels valued and supported. We believe that a diversity of backgrounds, perspectives, and experiences strengthens our teams and is vital to the work we do. Important Note: Many roles at BAE Systems are subject to 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 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: 14th October 2026