Shift Technician

About the Role

We are recruiting an experienced Shift Engineer to join our 24/7 Critical Facilities team at our mission-critical data centre. Operating on a continental shift pattern, you will play a key role in delivering 100% uptime for our customers by monitoring, operating, and maintaining the site’s mechanical, electrical, and life-safety infrastructure.

This is a hands-on operational role with a clearly defined development pathway. The successful candidate will be supported to become Site Low Voltage Authorised Person (LVAP ), with onward progression to High Voltage Authorised Person (HVAP ) in line with our internal authorisation framework and the site’s HV/LV Safety Rules.

Key Responsibilities -

Operations & Monitoring

• Provide 24/7 monitoring of critical M&E plant via BMS
• Respond to alarms, faults, and incidents in a structured and timely manner, following site Emergency Operating Procedures (EOPs) and Escalation Procedure
• Maintain accurate shift logs, incident reports, and handover documentation; ensure seamless continuity between shifts
• Conduct routine site walkdowns, plant readings, and condition-based inspections across electrical, mechanical, and life-safety systems
• Ensure data hall environmental conditions (temperature, humidity, airflow, differential pressure) remain within agreed operational parameters

Maintenance

• Carry out Planned Preventive Maintenance (PPM) on-shift and assist specialist vendors as required
• Perform first-line reactive maintenance and fault diagnosis on UPS, generators, LV switchgear, PDUs/RPPs, CRAC/CRAH units, chillers, pumps, BMS, and fire detection & suppression systems
• Support major maintenance windows and customer-impacting works, executing and drafting Methods of Procedure (MOPs), Standard Operating Procedures (SOPs), and EOPs
• Identify and report defects, near-misses, and continuous-improvement opportunities

Safety, Permits & Compliance

• Operate the site Permit to Work (PTW) system — issuing, receiving, and supervising permits as authorised
• Apply Lock-Out / Tag-Out (LOTO) isolation procedures rigorously
• Escort and supervise contractors, ensuring full adherence to site safety, security, and operational standards
• Manage fire system isolations and re-instatements
• Champion a “Safety First, Uptime Always” culture across the shift team

Authorised Person Duties (post-appointment)

• Once appointed as Site LVAP, take responsibility for LV switching, isolations, and the issue of LV permits in accordance with the site Safety Rules
• Develop towards HVAP appointment, supporting HV switching schedules, HV isolations, and the broader site authorisation programme

Essential Experience & Qualifications

• Recognised apprenticeship or equivalent qualification in Electrical Engineering, Mechanical Engineering, or Building Services (City & Guilds, NVQ Level 3, HNC, or above)
• Minimum 3 years’ experience in a critical environment: data centre, pharmaceutical, hospital, broadcast, financial trading floor, or similar 24/7 mission-critical setting
• Strong working knowledge of M&E systems: UPS, standby generators, LV switchgear, PDUs/RPPs, CRAC/CRAH, chilled water systems, BMS, and fire/life-safety systems
• Demonstrable experience working within a Permit to Work environment and a clear understanding of LOTO/safe isolation principles
• Willingness and ability to work a continental shift pattern, including nights, weekends, and public holidays
• Flexibility to work occasional overtime
• Right to work in the UK