Senior Refrigeration Service Engineer – CO₂ Hemel Hempstead and the South East £60,500 basic + overtime | Permanent An opportunity for an experienced CO₂ refrigeration engineer to take a senior service role supporting commercial and industrial customers across the Home Counties and surrounding areas. Hemel Hempstead is the suggested base for this mobile position, although applications are welcome from engineers living across the South with good access to the regional road network. Your working area The proposed patch covers sites within approximately two hours’ travel of Hemel Hempstead, including Hertfordshire, Bedfordshire, Buckinghamshire, Oxfordshire, Berkshire and parts of London and Cambridgeshire. Daily routes and the outer limits of the territory will be agreed, taking traffic and journey times into account. The work You’ll look after refrigeration equipment throughout its service life, combining routine maintenance with technical fault diagnosis and breakdown repairs. CO₂ experience is essential, alongside the confidence to work independently and communicate clearly with customers. Your responsibilities will include: Investigating system faults and completing effective repairs. Carrying out scheduled servicing and preventative maintenance. Maintaining CO₂ plant and associated refrigeration equipment. Working on air conditioning systems where required. Supporting commissioning, installation handovers and warranty work. Keeping clear service records and advising customers on equipment condition and further work. What you’ll need Practical experience servicing and diagnosing faults on CO₂ refrigeration systems. A background in commercial or industrial refrigeration. NVQ Level 3 in Refrigeration and Air Conditioning. Current F-Gas certification. A full UK driving licence. A dependable approach, sound technical judgement and good customer communication skills. Hours and call-out Monday to Friday, 45 hours per week. Paid door-to-door, with overtime payable after 40 hours. First-line on-call cover one week in four. £150 standby allowance per on-call period. Package Alongside the basic salary, the role offers a company van with a personal-use option, fuel card, phone and overtime opportunities. The wider package includes healthcare, a generous annual leave allowance, an option to sell unused holiday, enhanced pension contributions linked to service, a referral scheme and ongoing technical development. An annual employee ownership bonus may also be available. To apply Contact Alice Patterson at Pure Talent Group with your CV, or get in touch for a confidential discussion. #Eng1