What you will do Join Johnson Controls’ Industrial Refrigeration (IREF) team, where we deliver cutting-edge project solutions and maintenance services for customers in manufacturing, cold storage, and R&D. As the OEM for SABROE, Frick Compressors, and York products, we provide national coverage with highly trained engineers supporting industries such as food & beverage, pharmaceutical, automotive, and more. What we offer Competitive salary plus premium overtime rates Standby allowance, call-outs, and paid travel Service vehicle, mobile phone, tablet, PPE, and specialist tools provided 25 days holiday Bank Holidays, with Holiday Purchase Scheme Comprehensive benefits: pension, life assurance, EAP, referral bonuses, discounts on major brands and Johnson Controls products Cycle-to-work scheme and employee resource groups Extensive training and career development programs Commitment to safety through our Zero Harm policy How you will do it Act as the primary client contact for technical service and maintenance Diagnose and resolve issues with industrial refrigeration/chiller systems within agreed timeframes Perform planned preventative maintenance (PPM) per contract requirements Communicate findings clearly, recommending improvements, upgrades, or optimisations Prepare detailed technical reports and submit to Service Coordinator and client Prioritise Health & Safety in all tasks Work independently while contributing to team success Mobile role, Monday–Friday, with 1-in-7 standby rotation What we look for F-GAS 2079 certification Refrigeration apprenticeship or equivalent qualification (C&G, ideally with Ammonia Handling Certificate) Experience with HFC, Ammonia & CO₂ systems Familiarity with major manufacturers (SABROE, Frick, York, Bitzer, Howden) Knowledge of DX, pumped, flooded, multistage systems Ability to interpret technical documents (electrical schemes, piping diagrams, psychometric charts) Full UK driving licence Self-motivated, positive attitude, and strong team player LI-DC1 LI-Remote RMDFL