Commercial Heating and Cooling Engineer South East Location: South East (covering regional sites) Package: £40,000 £50,000 + overtime + call-out + vehicle + progression Realistic OTE: £55,000 £65,000+ Are you a fully qualified Commercial Gas Engineer with F-Gas certification and a strong background in heating, cooling, and plant systems? This is an exciting opportunity to join a growing, forward-thinking engineering business delivering bespoke temporary heating and cooling solutions to commercial clients across the South East. You ll work on a variety of projects covering boilers, chillers, and mechanical plant, combining your technical expertise with a hands-on approach and excellent customer service skills. What You ll Do Install, commission and maintain commercial boilers, chillers and associated systems Carry out fault-finding and diagnostics on chilled water systems, AHUs and burner systems Support pipework modifications and plant room upgrades Work safely and efficiently on commercial gas, oil and refrigeration systems Attend emergency callouts on a rota basis and provide swift, safe solutions Ensure all work complies with gas safety, F-Gas and environmental regulations What You ll Need Commercial Gas Safe qualification (essential) F-Gas refrigeration certification (essential) Level 3 mechanical qualification (e.g. NVQ, City and Guilds or equivalent) Proven experience in commercial heating, cooling, or building services engineering Strong understanding of LTH