The Opportunity Our client, a global leader in data centre solutions, is seeking an experienced HV Authorised Shift Engineer to join their high-performing team in Slough. This is an excellent opportunity to work within a mission-critical data centre environment, supporting high-profile banking and enterprise clients. You will play a key role in maintaining operational resilience, ensuring reliability, efficiency, and compliance across critical electrical and mechanical infrastructure. Role Overview As part of the on-site engineering team, you will be responsible for the safe operation, maintenance, and fault response of high-voltage systems and associated plant equipment. Working within a structured continental shift pattern, you will help safeguard uptime in a high-stakes, zero-tolerance environment. Key Responsibilities Electrical & Critical Systems Operate and maintain HV electrical systems, including transformers, switchgear, UPS systems, and standby generators. Manage and fault-find across single-phase and three-phase distribution systems. Carry out safe switching operations in line with approved procedures and Authorised Person responsibilities. Mechanical & Building Services Support Maintain VRV systems and associated mechanical plant as required. Support maintenance of critical infrastructure to ensure optimal system performance. Compliance & Operational Excellence Work safely and efficiently within a ...