HVAC Technician – Electrically Biased (Rail HVAC) Rate: £34.60 per hour (Umbrella) Contract: 4‑Year Contract | Inside IR35 Hours: 40 hours per week (site‑based flexibility required) Location: Aylesbury & Banbury Depot's Business Unit: Rail / Rolling Stock / HVAC Situation We are seeking a skilled HVAC Technician to support HVAC systems across customer railway depots. This role is best suited for an electrically biased technician or qualified electrician with strong mechanical capability and experience working safely in demanding environments. The Role Reporting into the service function, the Field Service Technician will be responsible for the inspection, fault‑finding, repair, and maintenance of rail HVAC systems. The role requires regular travel to customer depots and a high standard of professionalism when working on live operational sites. Responsibilities Fault‑find, test, repair, and maintain HVAC systems used in railway applications Diagnose electrical and mechanical faults across AC/DC equipment Carry out brazing, pipework repairs, and F‑Gas related activities Work independently on customer depots in accordance with site rules Complete service reports, documentation, and compliance records Adhere to all Health & Safety and rail safety standards Essential Criteria Electrically biased technician or fully qualified electrician Proven HVAC service or maintena...