Mechanical Data Centre Shift Engineer
Full Time/Permanent
Engineering, Maintenance
£50,000 to £74,999
£55000 per annum, Benefits: Career Progression + Training + Benefits + Pensiion + 25 Days Holiday
All London
London
JO-2307-258145-1
21-05-2026 04:55 PM
2026-06-20
HVAP Technician – Data Centre / Critical Facilities (High Voltage Authorised Person)
📍 London, UK 🕒 Continental Shift Pattern 💼 Full-Time | Permanent 💰 Competitive Salary + Shift Allowance + Benefits + Training & Career Development
HVAP Jobs in London – Data Centre & Critical Facilities Engineering We are seeking an experienced High Voltage Authorised Person (HVAP) to join a state-of-the-art data centre supporting mission-critical infrastructure within a high-performance, zero-tolerance environment.
This is a pivotal role where you will act as a guardian of electrical safety, compliance, and operational continuity. Working alongside the Engineering Shift Leader and Building Engineering Supervisor, you will take ownership of high-voltage systems, planned maintenance, switching operations, and critical incident response.
Operating within a live 24/7 critical environment, this role offers autonomy, technical variety, and exposure to advanced electrical infrastructure where precision, resilience, and safety are essential.
Role Overview As a Data Centre HVAP Technician, you will be responsible for the safe operation, maintenance, and control of high-voltage electrical systems across a mission-critical facility.
You will ensure maximum uptime and operational resilience while leading HV switching operations, isolations, and compliance activities in accordance with industry regulations and Safe Systems of Work (SSOW).
This role is ideally suited to an experienced HVAP with a strong background in:
📍 London, UK 🕒 Continental Shift Pattern 💼 Full-Time | Permanent 💰 Competitive Salary + Shift Allowance + Benefits + Training & Career Development
HVAP Jobs in London – Data Centre & Critical Facilities Engineering We are seeking an experienced High Voltage Authorised Person (HVAP) to join a state-of-the-art data centre supporting mission-critical infrastructure within a high-performance, zero-tolerance environment.
This is a pivotal role where you will act as a guardian of electrical safety, compliance, and operational continuity. Working alongside the Engineering Shift Leader and Building Engineering Supervisor, you will take ownership of high-voltage systems, planned maintenance, switching operations, and critical incident response.
Operating within a live 24/7 critical environment, this role offers autonomy, technical variety, and exposure to advanced electrical infrastructure where precision, resilience, and safety are essential.
Role Overview As a Data Centre HVAP Technician, you will be responsible for the safe operation, maintenance, and control of high-voltage electrical systems across a mission-critical facility.
You will ensure maximum uptime and operational resilience while leading HV switching operations, isolations, and compliance activities in accordance with industry regulations and Safe Systems of Work (SSOW).
This role is ideally suited to an experienced HVAP with a strong background in:
- Data centres
- Critical facilities
- Building services
- Mission-critical infrastructure
- High-availability environments
- Deliver Planned Preventative Maintenance (PPM) and reactive maintenance across electrical and building systems
- Act as the site HVAP, carrying out HV switching operations, isolations, and high-risk electrical activities
- Prepare and execute switching schedules, SOPs, and EOPs
- Respond to BMS alarms, faults, and critical incidents, restoring services efficiently and safely
- Maintain uptime, resilience, and operational continuity across mission-critical infrastructure
- Support operational escalation and emergency response procedures
- Manage and administer the Permit to Work (PTW) system
- Prepare and review Risk Assessments and Method Statements (RAMS)
- Ensure compliance with Health & Safety legislation and Safe Systems of Work (SSOW)
- Maintain water systems in accordance with L8 (Legionella) regulations
- Supervise contractors and specialist vendors to ensure safe and compliant delivery of works
- Ensure all engineering activities are completed in line with statutory and site compliance standards
- Support incident management during faults, outages, and emergency scenarios
- Maintain availability of critical spares, tools, and materials
- Accurately record maintenance activities using CAFM systems such as REALM
- Produce clear technical reports, shift logs, and engineering documentation
- Build effective working relationships with engineering teams, contractors, and stakeholders
- Participate in ongoing technical training and professional development
- Maintain high operational, engineering, and safety standards
- Contribute to continuous improvement and reliability initiatives
- Promote a culture of safety, accountability, compliance, and operational excellence
- Current High Voltage Authorised Person (HVAP) status
- 18th Edition Wiring Regulations qualification (or equivalent)
- NVQ Level 3 (or equivalent) in Electrical Engineering or related discipline
- Emergency First Aid at Work certification
- Proven experience within:
- Data centres
- Critical environments
- Mission-critical facilities
- High-availability infrastructure
- Strong understanding of:
- HV/LV electrical systems
- Switching procedures and isolations
- Fault diagnosis and incident response
- Critical power infrastructure
- Good knowledge of Health & Safety legislation within engineering environments
- Ability to work effectively under pressure within live operational environments
- PASMA and/or IPAF certifications
- Manual Handling training
- Experience with BMS, PMS, and fire systems
- Experience using CAFM systems such as REALM
- Strong understanding of critical infrastructure operations and uptime requirements
- Experience within data centre or financial services environments
- Technically strong with excellent fault-finding capability
- Safety-focused with exceptional attention to detail
- Calm and decisive during critical incidents or outages
- Self-motivated, reliable, and accountable
- Able to work independently and collaboratively within a shift team
- Professional with strong communication and stakeholder management skills
- Physically capable of accessing plant areas and using access equipment where required
- Work within a cutting-edge data centre and critical facilities environment
- Play a key role in maintaining business-critical infrastructure and operational resilience
- Gain exposure to advanced HV electrical systems and mission-critical technologies
- Access ongoing training, HV authorisation development, and technical upskilling opportunities
- Clear progression within the rapidly growing critical engineering and data centre sector
- Join a professional, collaborative, and safety-focused engineering team
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