Field Service Engineer - UPS / Critical Power Location: UK Nationwide Are you an experienced Field Service Engineer with strong knowledge of UPS systems and critical power infrastructure? Our client, a global provider of critical power and infrastructure solutions, is expanding their service engineering team. This is an excellent opportunity for a skilled engineer to support the commissioning, servicing, and maintenance of UPS and critical power systems across customer sites throughout the UK and Ireland, ensuring reliable power protection for mission-critical environments. As a Field Service Engineer - UPS / Critical Power, you will: Prepare and carry out commissioning, servicing, maintenance, testing, and fault diagnosis of UPS and critical power infrastructure systems and associated battery systems in accordance with customer requirements and applicable procedures. Perform servicing and preventative maintenance on all installed systems and equipment delivered by the company, including UPS systems, DC power solutions, and battery installations. Carry out live working procedures safely while ensuring compliance with company safety policies and industry standards. Complete detailed service reports and relevant documentation following each service visit in accordance with company procedures. Key Skills and Experience for this Field Service Engineer - UPS / Critical Power role: Provable experience as a Field Service Engineer, Service Technician, or similar role within power electronics, UPS systems, electrical installations, or critical power infrastructure. Strong technical knowledge of DC power systems and AC UPS equipment. Experience working with battery systems used in UPS or critical power environments. Full UK driving licence required. This is a fantastic opportunity to join a growing organisation within the UPS and critical power sector, supporting essential infrastructure across telecoms, data centres, and other mission-critical environments throughout the UK. To apply, please send your CV to or call 01582 878828 for more information.