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.