Lead Systems Architect – Mission Planning & Control Bristol | Hybrid working (3–5 days on-site) £50,000 – £65,000 DOE + Bonus + Benefits SC Clearance requiredShape the System Behind Mission SuccessAre you a Systems Architect with a passion for MBSE and architectural leadership in high-integrity environments? Join a multi-national defence technology programme delivering advanced mission planning and control capabilities that support the future of cruise and anti-ship operations.You’ll be leading architectural strategy and implementation across a suite of mission-critical products—driving modularity, reusability, and cross-domain system integrity.Your Role:As Lead Architect, you’ll be responsible for the end-to-end creation and evolution of all architectural artefacts within the Mission Planning & Control domain of a complex, multi-national weapon system programme. You’ll lead other architects, shape reusable solutions across multiple product streams, and directly influence systems design and integration.Key Responsibilities:Lead the definition of system architectures and MBSE models for mission-critical systemsOversee and guide architectural activity across distributed teamsDrive modularity, standardisation, and architectural re-use across product linesCollaborate across multi-functional teams to ensure architectural integrityApply systems thinking to manage complexity across multiple domainsProduce and maintain artefacts including SysML models, interface definitions, and verification strategiesWhat You’ll Bring:Strong background in complex systems architectureExpert-level experience with MBSE methodologies and tools (e.g. Rhapsody, SysML)Experience in developing architectures in a product-line or modular environmentProficient in IBM Engineering Workflow Management (Rational Team Concert)Understanding of DOORS Next GenerationExcellent communication, stakeholder engagement, and leadership skillsThe ability to rapidly learn and understand complex system behavioursWhat’s on Offer: Salary circa £50,000 – £65,000 depending on experience Bonus up to £2,500 (performance-based)