Senior System Engineer | up to £80,000 | Farnborough - HybridWe are seeking a Senior System Engineer to join a high-profile government defence programme, working on systems vital to national security. This role offers the opportunity to work across the full engineering life cycle in an agile environment, with a focus on Model-Based Systems Engineering (MBSE) and secure systems delivery.Key Responsibilities:* Work with stakeholders, suppliers, and architects to define system-of-systems requirements.* Use MBSE tools to model functional requirements and system behaviours.* Lead technical derivation, compliance assessments, and requirements allocation.* Produce detailed engineering artefacts including designs, failure modes analysis, security documentation, and service management designs.* Support onboarding of services onto virtualised infrastructure.* Conduct system-level cost/benefit and technical trade studies.* Deliver milestone reviews and ensure engineering tasks align with programme scope.* Define and model interfaces, user scenarios, and security requirements.* Collaborate across agile teams to maintain design and architectural alignment.Required Skills andamp; Experience:* Strong expertise in architecture modelling tools (eg Sparx EA, MagicDraw Cameo).* Familiarity with frameworks and languages such as TOGAF, MODAF, NAF, SysML, Archimate.* Experience on large-scale, mission-critical integration programmes.* Skilled in system modelling, interface definition, and ..... full job details .....