HVAC Mechanical Data Centre Technician

Overview

Purpose of the Role:
As an HVAC Mechanical Technician, you will support the delivery of both planned and reactive maintenance within a mission-critical data centre environment. Working closely with the Engineering Supervisor and day team, you will ensure all activities are completed in full compliance with health & safety legislation, site policies, and operational procedures. You will play a key role in maintaining HVAC and mechanical plant to the highest standards, directly contributing to the facility's reliability, safety, and regulatory compliance.

• Carry out routine maintenance on building plant, systems, and equipment in line with SLAs and client expectations.
• Respond promptly to BMS alarms and undertake emergency repairs as required.
• Operate within the Permit to Work system, ensuring all controls and authorisations are correctly implemented.
• Prepare, follow, and review switching schedules, SOPs, and EOPs.
• Ensure the availability of critical spares to maintain uptime across essential systems.
• Prepare Risk Assessments and Method Statements (RAMS) for all in-house activities.
• Supervise subcontractors, ensuring compliance with contractual, safety, and site requirements.
• Build and maintain positive working relationships with site teams and client representatives, delivering high standards of customer service.
• Ensure all works comply with site policies, statutory obligations, and health & safety standards.
• Support incident response and fault resolution during unplanned events.
• Contribute to team development through training, collaboration, and continuous improvement.
• Ensure accuracy and quality of work packs and documentation, including reviewing subcontractor RAMS.
• Maintain a professional appearance and conduct, representing the company positively to clients and visitors.

• NVQ Level 3 (or equivalent) in an HVAC or mechanical discipline.
• Current Wiring Regulations certification.
• Emergency First Aid at Work qualification.
• Proven experience in a similar technical role within a critical environment (data centres preferred).
• Strong understanding of health & safety requirements relating to engineering maintenance.
• Hands-on experience with: critical mechanical plant (chilled water systems, pumps, motors, ACUs, adiabatic coolers); HVAC systems (CRAC units, split systems, air- and water-cooled chillers, dry air coolers).
• Real-time incident and fault management experience in business-critical environments.
• Strong organisational and communication skills, with the ability to work independently or as part of a team.
• High levels of personal integrity, accountability, and a proactive working attitude.
• Ability to safely ascend and descend vertical access equipment.
• Flexible approach to working hours, including occasional shift or on-call support.

• HV experience and Manual Handling certification.
• PASMA and IPAF certifications.
• Knowledge of integrated systems, including Fire, PMS, and BMS.

Our client is a leading global provider of integrated facilities management and corporate real estate services, supporting some of the world's most critical and complex environments. They are currently seeking a skilled HVAC Mechanical Data Centre Technician to join their high-performing team based in London Docklands.