Salary: £46,000 - 66,000 per year Requirements: Strong systems engineering background on complex infrastructure, test ranges or safety-critical environments. Advanced knowledge of systems integration (facilities, equipment, control systems, comms, software, IT). Familiar with relevant standards and frameworks (e.g. CDM 2015, SCIDA, aviation test facilities, RIBA stages). Proven experience leading multi-disciplinary engineering teams and managing technical risk. Degree in Systems Engineering or relevant engineering discipline (MSc preferred) or equivalent experience. Chartered Engineer (CEng) or equivalent / working towards. Responsibilities: Lead the technical delivery of complex Test, Trials, Training and Evaluation (T3E) infrastructure projects at Boscombe Down. Act as Principal Systems Engineer across the full lifecycle, from requirements through to transition into service. Produce and own key artefacts: requirements, architecture, ITEA plans, installation and acceptance documentation, technical files. Plan and lead installation, integration, test, evaluation and acceptance to deliver safe, compliant, safe by design solutions. Provide technical leadership to internal teams and subcontractors, acting as System Design Authority where required. Engage stakeholders across facilities, IT, safety and security to manage requirements, risks and change. Technologies: Security DevOps More: We are seeking a Principal Infrastructure Engineer for our facility and building upgrade projects located in Salisbury, where you will be on-site 3 days a week. This 6-month contract offers a negotiable rate inside IR35 and requires SC clearance. You will play a crucial role in leading the technical delivery of complex aviation-related infrastructure projects, providing an opportunity to impact safety-critical environments and work with a dedicated team. last updated 4 week of 2026