Environmental Test Engineer Working Pattern: On-site, 5 days per week Security Clearance: British Citizen or Dual UK National with British citizenship The Opportunity My Client is offering a fantastic opportunity to work in a UKAS / ISO 17025 accredited environmental test laboratory, supporting a wide range of projects across our entire product portfolio. As part of the Environmental Engineering and Facilities team, you ll test the company''s products under real-world extreme conditions including temperature, humidity, shock, and vibration helping to ensure our systems are safe, robust, and fit for service. You ll work within a multi-disciplinary team, solving complex engineering problems and contributing to both design verification and in-service surveillance activities. What they need you to do. Plan and execute environmental tests against customer requirements Simulate extreme operational environments using specialist test equipment Analyse data, review documentation, and produce test reports Support technical reviews with customers and partners Apply standards such as DEF STAN, MIL-STD-810, STANAG, and AECTP (Occasional travel to Henlow required) What they are looking for. HNC / HND / Degree (or equivalent experience) in a relevant engineering discipline Strong understanding of mechanical structures and analysis Hands-on experience with instrumentation (accelerometers, thermocouples, strain gauges) Methodical, safety-conscious, and self-motivated appr