Principal Infrastructure Engineer

  • Reference icon Reference Number: 431100
  • PublishDate iconJob Published: 16/01/2026
  • JobType iconForm of employment: Contract
  • salaryRate iconSalary: £500 - £750 Per day
  • domain iconIndustry: Engineering
  • type iconJob Type: Full Time

Role: Principal Infrastructure Engineer - Facility & Building Upgrade

Location: Salisbury (3 days per week on-site)

Duration: 6 months

Rate: Negotiable

Inside IR35 - Umbrella only

SC Cleared

Lead the technical delivery of complex Test, Trials, Training and Evaluation (T3E) infrastructure projects at Boscombe Down, focused on aviation facilities and associated test environments.​

Role overview

  • 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.​

Skills and experience

  • 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.​

Qualifications

  • Degree in Systems Engineering or relevant engineering discipline (MSc preferred) or equivalent experience.​

  • Chartered Engineer (CEng) or equivalent / working towards.​

To apply, please send your CVs in the first instance.