Salary: £30,000 - 50,500 per year Requirements: Experience managing and refining requirements; strong stakeholder engagement. Background in Defensive Cyber, Enterprise Architecture or Secure System Design. Verification and validation experience on complex technology projects. Model-Based Systems Engineering experience (ArchiMate, UML/SysML). Requirements management tooling experience (e.g., DOORS or equivalent). Degree in Engineering, Computer Science or related technical field. INCOSE ASE/IEng/CEng or equivalent professional registration. Familiarity with MOD architecture views is desirable. Understanding of system security principles. Agile delivery experience is a plus. Prior consultancy experience is an added advantage. Responsibilities: Support the design, development and delivery of secure systems. Contribute to technical architectures, specifications, and engineering designs. Develop test, integration, verification and validation plans. Work across multiple lifecycle stages in dynamic delivery environments. Communicate clearly with both technical and non-technical stakeholders. Support the development of engineering capability within our practice. Mentor junior engineers and contribute to internal knowledge sharing. Engage with clients and support business development where required. Technologies: ArchiMate Support Security UML TOGAF More: We are a growing technical architecture practice seeking a Systems Engineer to join our high performing team. Here, youll work on complex and secure IT programmes across defence, security and government environments, delivering innovative, mission-critical solutions. Youll have the opportunity to expand your technical and consulting skills while collaborating with specialists across cyber, P3M, and architecture disciplines. We offer a discretionary 10% bonus, an annual training fund, an EV scheme, private medical care, and a competitive pension. last updated 7 week of 2026