Job Title: HVAC Field Service Engineer - Rolling StockLocation: Field-based - South Wales, London, Yorkshire and surrounding areasContract Length: 12 months minimum, with strong potential for extensionHours: 40-50 per weekRate: 30- 40 per hour (Umbrella, DOE)Overview:We''re looking for an experienced HVAC Field Service Engineer to support maintenance and fault-finding on HVAC units across various rolling stock fleets. The role is field-based and will involve travel across key sites in South Wales, Yorkshire, London, and locations in between.This is an expanding project, initially focused on the new deep tube stock, with scope for long-term work.Key Requirements:Proven experience in HVAC maintenance and fault-finding (essential)Rolling stock experience preferred - other sectors consideredNVQ Level 3 or equivalent in an engineering disciplineFull UK driving licence (essential)F-Gas certification (preferred)Experience working in depot environments (desirable)