Data Centre Operations Engineer — Site Lead Deputy

Era4; Chesterfield; On-site; GBP 40,000 - 60,000; Full time

Job summary

Era4 is at the forefront of transforming brownfield sites into modern AI-enabled data-centre infrastructure across the UK. This hands-on role supports safe, reliable operation of critical electrical, mechanical, cooling and life-safety systems, with responsibility as deputy to the Data Centre Facilities Lead during absences and oversight of contractors.

You will monitor site conditions, drive routine maintenance, and ensure safety, compliance and accurate record-keeping while working with a

Qualifications

• Engineering, facilities or maintenance experience in a critical/high-availability environment.
• Working knowledge of electrical, mechanical, cooling or building services infrastructure.
• Experience with planned preventative maintenance (PPM) and contractor management.
• Understanding of safe systems of work, RAMS and health & safety compliance.
• Strong organisational, communication and record-keeping skills.
• Ability to work independently and take ownership of site operations.

Responsibilities

• Support the safe and reliable operation of critical electrical, mechanical, cooling and life-safety infrastructure.
• Carry out routine inspections, housekeeping and authorised maintenance activities across site assets.
• Support planned and reactive maintenance programmes, ensuring activities are completed, recorded and escalated where required.
• Monitor plant performance, alarms and site conditions, identifying and escalating operational risks.
• Coordinate contractors and service providers, ensuring compliance with site access, RAMS and safety procedures.
• Act as deputy to the Data Centre Facilities Lead, providing operational oversight and site support during periods of absence.
• Support incident response, emergency procedures and accurate site record keeping.
• Assist with closed-loop water treatment activities, including dosing, sampling, analysis and system maintenance following training and authorisation.

Skills

Electrical systems

Mechanical systems

Building services

Cooling systems

Life-safety systems

Contractor management

PPM

RAMS & safety

Operational monitoring

Record keeping

Job description

Era4 is at the forefront of transforming brownfield sites into modern AI-enabled data-centre infrastructure across the UK. This hands-on role supports safe, reliable operation of critical electrical, mechanical, cooling and life-safety systems, with responsibility as deputy to the Data Centre Facilities Lead during absences and oversight of contractors.

You will monitor site conditions, drive routine maintenance, and ensure safety, compliance and accurate record-keeping while working with a