Lead Data Centre Shift Engineer

Ten11 Management Limited; Croydon; On-site; GBP 37,000 - 62,000; Full time

Job summary

Ten11 Management Limited is seeking an experienced Shift Technician / Deputy Data Centre Lead for a major financial-services data centre in Croydon. The role combines senior hands-on engineering with leadership responsibilities as the 2IC, ensuring safe, reliable operation of critical infrastructure.

The ideal candidate holds HVAP experience and strong electrical/mechanical skills across HV/LV systems, UPS, generators and cooling.

Qualifications

• HVAP / HV Authorised Person experience is essential.
• Strong electrical engineering background with relevant technical qualifications.
• Experience within data centres or mission-critical facilities.
• Strong knowledge of HV/LV systems, UPS, generators and switchgear.
• Good understanding of HVAC and critical cooling systems.
• Experience as a Senior Shift Engineer / Lead Technician is desirable.
• Capable of acting as technical escalation during incidents.
• RAMS, permits, isolations and safe systems of work.
• Ability to maintain uptime and resilience in a live facility.

Responsibilities

• Operate and maintain critical electrical and mechanical infrastructure within a live data centre.
• Act as HV Authorised Person (HVAP) for HV switching, isolations and safe systems of work.
• Operate as the 2IC within the engineering team and support the site's leadership.
• Provide technical guidance and support to shift engineers.
• Coordinate specialist subcontractors and engineering activities.
• Carry out planned and reactive maintenance across HV/LV distribution, UPS, generators, switchgear, cooling, CRAC/CRAH, and BMS.
• Respond to alarms, incidents and equipment failures in a mission-critical environment.
• Manage RAMS, permits, isolations and safe systems of work.
• Support incident investigations and technical reporting.
• Ensure activities meet H&S and compliance standards.
• Support continuous improvement across site operations.

Skills

HVAP experience

Electrical engineering

Data centres

HV/LV systems

UPS

Generators

Job description

Shift Technician / Deputy Data Centre Lead - Data Centre

Location: Croydon, South London

Salary: Up to £62,000 + Benefits

Shift Pattern: Shift Based

Requirement: HVAP (High Voltage Authorised Person)

The Opportunity

We are recruiting an experienced Shift Technician / Senior Critical Facilities Engineer to join the engineering team at a major financial-services data centre in Croydon.

This is a senior position within the shift team, effectively operating as the 2IC for the data centre. You'll support site leadership with the safe, reliable and efficient operation of a mission-critical facility while remaining technically hands‑on.

The position would suit an experienced HVAP engineer looking to take on greater responsibility without moving away from engineering.

Key Responsibilities

• Operate and maintain critical electrical and mechanical infrastructure within a live data centre.
• Act as HV Authorised Person (HVAP), supporting HV switching, isolations and safe systems of work.
• Operate as the 2IC within the engineering team, supporting the site's engineering leadership.
• Provide technical guidance and support to shift engineers.
• Coordinate specialist subcontractors and engineering activities.
• Carry out planned and reactive maintenance across:
  • HV/LV electrical distribution
  • UPS systems
  • Generators
  • Switchgear
  • Critical cooling / HVAC
  • CRAC/CRAH systems
  • BMS and associated infrastructure
• Respond to alarms, incidents and equipment failures within a mission‑critical environment.
• Manage RAMS, permits, isolations and safe systems of work.
• Support incident investigations, root‑cause analysis and technical reporting.
• Ensure engineering activities meet all relevant H&S, compliance and operational standards.
• Support continuous improvement across site operations and maintenance.

What We're Looking For

• HVAP / HV Authorised Person experience - essential.
• Strong electrical engineering background with relevant technical qualifications.
• Experience within data centres, critical environments or other mission‑critical facilities.
• Strong knowledge of HV/LV systems, UPS, generators and switchgear.
• Good working understanding of HVAC and critical cooling systems.
• Previous experience as a Senior Shift Engineer, Lead Technician, Shift Lead or similar is highly desirable.
• Comfortable acting as the technical escalation point during incidents.
• Strong understanding of permits, isolations, RAMS and safe systems of work.
• Ability to work effectively in an environment where resilience and uptime are critical.

Package

Up to £62,000 basic salary + comprehensive benefits package

A strong opportunity for an experienced HVAP Shift Technician to step into a senior, deputy/2IC-level positionwithin a major London data centre while remaining hands‑on with critical engineering infrastructure