We are seeking a highly skilled and security-cleared Maritime Solution Architect to lead the architecting and design of modern systems and digital solutions for maritime defence capabilities and platforms. You will have extensive experience working in the defence industry, with specific expertise in maritime systems and architectures, mission systems, and C4ISR integration as well as understanding of overall platform design and architecture. This role will include developing capability roadmaps, scoping technology integration, and undertaking customer engagement to position Leidos as a leader in Maritime Defence using cutting edge technology. You will work closely with engineering, delivery, business development and customer teams to ensure technical solutions align with customer requirements and operational needs. Duties and Responsibilities: • Lead the architecture and design of military maritime solutions, including combat systems, communications, navigation, and integrated platform management systems • Translate complex operational and capability requirements into end-to-end system designs • Engage with military stakeholders, engineering teams, partners and subcontractors to define and validate system architectures and technical roadmaps. • Ensure solutions are compliant with military standards, safety, and security requirements (e.g., DEF STAN, STANAG, MIL-STD) • Support bid and proposal efforts by leading the solution architecture and supporting technical writing and costing • Conduct trade studies and design reviews to assess system performance, scalability, and interoperability • Provide governance and oversight across engineering delivery to ensure architectural alignment and integration • Stay abreast of emerging and cutting edge technologies and industry trends to drive innovation and system improvement including but not limited to uncrewed systems, advanced comms and AI Required Skill and Experience: • Bachelors or Master’s degree in Engineering, Computer Science, Systems Engineering, or a related discipline • Substantial experience in solution or systems architecture within the defence and/or maritime domain • Strong understanding of naval platforms (surface ships, submarines, UAVs/USVs) and their mission requirements • Experience with C4ISR systems, weapon systems integration, or naval command systems • Familiarity with systems engineering lifecycle (ISO/IEC/IEEE 15288), MBSE, and digital twin concepts • Hands-on experience with architecture frameworks (e.g., MODAF, NAF, TOGAF) and tools (e.g., Sparx EA, Cameo) • Knowledge of cybersecurity, safety, and information assurance in defence systems • Strong stakeholder management and technical leadership skills. • SC clearance minimum Skills Desired: • Experience with multinational defence programs or NATO interoperability standards • Understanding of shipbuilding programs, integrated logistics support (ILS), and lifecycle sustainment • Exposure to AI, autonomy, or edge computing technologies in maritime settings Clearance Requirements: • Pre-screening to Start BPSS • Clearance for Role SC Intrigued? We’d love to hear from you What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme • Private Medical Insurance • 33 days Annual Leave (including public and privilege holidays) • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme) • Dynamic Working