Job Specification: Senior Systems Engineers (x3) and Senior Systems Engineer (MBSE Specialist)Location: Insert Location Clearance Required: Developed Vetting (DV) Contract - Outside IR35 Role OverviewWe are seeking three Senior Systems Engineers and one Senior Systems Engineer (MBSE Specialist) to join a high-profile programme in the defence/nuclear sector. These roles are critical in delivering a robust and fully integrated suite of verification strategies and model-based systems engineering practices across complex systems.All candidates must hold or be eligible for Developed Vetting (DV) clearance due to the sensitive nature of the work.Roles and ResponsibilitiesSenior Systems Engineers (x3)Deliver an updated set of verification strategies across all environment categories and technical disciplines.Develop clear claims and arguments to demonstrate compliance with system and regulatory requirements.Define integrated trial and modelling roadmaps identifying required evidence at component, subsystem, and full system levels.Conduct clause-by-clause analyses of relevant standards to assess and trace evidence needed to demonstrate compliance.Identify delivery routes for required evidence, ensuring logic linkage and traceability to standard clauses.Engage with stakeholders from across the business to ensure strategies are stakeholder-driven, logic-linked, and captured using Model Based Systems Engineering (MBSE) techniques.Integrate verification strategies with established safet