Air Conditioning Engineer Contract: Key Account Network Location: Cardiff (and surrounding areas) Hours of work: 41.25 Contract Type: Permanent We are looking for a skilled and dedicated Air Conditioning Engineer to join our facilities team, providing expert maintenance, repair, and installation of air conditioning and refrigeration systems across our client sites. Job Description You will be responsible for delivering both planned preventive maintenance (PPM) and reactive works to the highest standards, ensuring customer satisfaction, system efficiency, and full compliance with health and safety procedures. This is a hands-on role requiring strong technical expertise, attention to detail, and a proactive approach to problem-solving. You’ll be part of a professional maintenance team supporting a range of HVAC and building services equipment within commercial environments. Key Responsibilities * Carry out PPM, reactive, and proactive maintenance on all air conditioning and refrigeration systems. * Inspect, repair, and install a variety of systems including compressors, chillers, retail refrigeration units, and system controls. * Conduct regular preventive maintenance inspections and perform necessary adjustments or repairs. * Diagnose and repair faults, replacing or refurbishing components such as thermostats, compressors, fans, controls, valves, filters, and bearings. * Undertake minor installation, rebuild, or modification works on HVAC systems. * Support maintenance of other building services equipment, including mechanical, HVAC, and fabric-related tasks. * Ensure all work complies with health and safety standards, risk assessments, and method statements. * Maintain accurate service and inspection records, ensuring compliance with statutory and company requirements. Professional and Personal Competencies/Qualifications * Significant experience in air conditioning, refrigeration, or HVAC maintenance, including fault finding and installation. * Proven background in reactive and planned preventive maintenance within commercial environments. * Strong understanding of building services and facilities management operations. * Demonstrated commitment to working safely and responsibly within strict H&S procedures. * Excellent problem-solving skills and ability to work independently or as part of a team. * Customer-focused with strong communication and time management skills. * Full UK driving licence (required for this role). Qualifications * City & Guilds 2079 Safe Handling of Refrigerants (or CITB J11 equivalent). * NVQ Level 2/3 or City & Guilds in one of the following disciplines: * Commercial Refrigeration and Air Conditioning Systems * Heating and Ventilation * Heating and Ventilation Service & Maintenance * IPAF and/or PASMA certification (desirable). The Company ISS is a world-leading workplace and facility management company, connecting people and places to make the world work better. Working with customers day by day, side by side, we understand every aspect of the user experience. Through a unique combination of intelligent solutions, high standards and people who care, to help our customers achieve their purpose, whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people. We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. ISSGreatPeople ISSTalent PeopleMakePlace ISS is proud to be a diverse and inclusive employer. ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background. We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme. Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work. If you have any further queries regarding this role, please contact the Resourcing Team