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 a structured continental shift pattern, you will help safeguard uptime within a high-stakes, zero-tolerance environment where precision and accountability are essential.

Key Responsibilities Electrical & Critical Systems Operate and maintain HV electrical systems, including transformers, switchgear, UPS systems, and standby generators. Fault-find and manage 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 the upkeep of critical infrastructure to ensure optimal performance and resilience.Compliance & Operational Excellence Work safely and effectively within a continental shift pattern (6 on / 4 off, days and nights). Ensure full compliance with site policies, health & safety legislation, and client standards. Respond promptly to incidents, alarms, and system faults within a data centre or banking environment.Candidate Requirements HV Authorisation (essential). Proven experience within data centres or critical banking facilities. Strong technical knowledge of electrical and mechanical systems in mission-critical environments. Ability to work independently while contributing positively within a team. Calm, decisive, and safety-focused under pressure. Professional, flexible, and reliable approach to shift-based work.Why Join Us? Competitive salary with bonus opportunities. Comprehensive benefits package including private healthcare, pension, holiday entitlement, and ongoing training. Opportunity to work within a prestigious, mission-critical environment for a global industry leader. Clear career progression pathways within critical infrastructure engineering.This role is ideal for a skilled HV Authorised Engineer seeking a technically challenging environment where reliability, precision, and performance truly matter