Critical Shift Technician
- london, england, United Kingdom
- Contract
- Full time
Job Description
Critical Shift Technician
Job ID
Posted 28-May-2026
Service line GWS Segment
Role type Full-time
Areas of Interest Engineering/Maintenance
Location(s) London - England - United Kingdom of Great Britain and Northern Ireland
CBRE Global Workplace Solutions is a leading global provider of integrated facilities and corporate real estate management. Our Critical Services teams protect the world's most demanding operational environments — from financial trading floors to Tier IV data centres — delivering zero-downtime engineering excellence around the clock.
We are recruiting a Critical Services Mechanical Engineer to join the team in London.
About the Role:
We are recruiting a Critical Services Mechanical Engineer (HVAC & Legionella Qualified) to join our team in London. You will be responsible for the safe and compliant delivery of mechanical maintenance, air conditioning, ventilation, and water treatment works within a business-critical environment, operating under CBRE's Safe Systems of Work and in full compliance with statutory and industry regulations.
This role sits within the Critical and Technical Services job function. You will be a competent person under the Health and Safety at Work Act 1974, the Approved Code of Practice L8 (Legionella), and HTM 04-01 where applicable, with specific responsibilities for HVAC operation and water hygiene risk management.
Please Note shift pattern is 6 on, 4 off, 4 on, 6 off (Hours: and )
Role Responsibilities:
- Carry out planned preventative maintenance (PPM) and reactive fault-finding on all mechanical plant including chilled water systems, cooling towers, AHUs, FCUs, split/VRF air conditioning, CRAC/CRAH units, pressurisation units, and associated BMS-controlled plant.
- Conduct, record, and report routine water hygiene monitoring activities including Legionella risk assessments, temperature monitoring (hot and cold water services), disinfection, TMV servicing, shower head cleaning, and sentinel outlet checks.
- Manage and administer contractor activities relating to water treatment, water hygiene sampling, and Legionella remediation, ensuring all works are documented and closed out in the CMMS.
- Diagnose and rectify faults across refrigerant-based systems (split, VRF/VRV, DX) and chilled water circuits; carry out pre-planned and emergency works in line with F-Gas Regulations 2014 (EU 517/2014, UK retained law).
- Issue and control Permits to Work (PTW) and mechanical isolation certificates in compliance with site-specific Safe Systems of Work (SSoW).
- Perform LOTO (Lock Out / Tag Out) procedures on mechanical plant and maintain an accurate isolation register.
- Maintain an up-to-date log of all work completed and outstanding items via the CMMS (e.g. Maximo / IBM Tririga / ServiceNow).
- Ensure all contractors and staff comply with CBRE, client, and statutory safety and security requirements; conduct contractor inductions and supervise high-risk activities.
- Participate in and support the Critical Services training programme including Water Hygiene, AP/CP Authorisation, and Emergency Procedures.
- Ensure effective communication with the client, management team, and helpdesk, escalating out-of-line situations with incident reports.
- Operate as a collaborative team member, sharing technical expertise to resolve operational problems and providing cover during holidays, training, and sickness.