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About the Role

Ensure the efficient operation, maintenance, and reliability of all chilled water and HVAC cooling systems. Perform planned preventative maintenance (PPM), reactive maintenance, fault finding, and repair works on commercial cooling equipment, including chillers, pumps, associated plant, and control systems.

Responsibilities

• Carry out planned preventative maintenance (PPM) on chillers, chilled water systems, cooling towers, pumps, AHUs, FCUs, and associated HVAC equipment.
• Diagnose and repair faults on a variety of chiller systems, including air-cooled and water-cooled units.
• Complete reactive maintenance and emergency breakdown repairs.
• Monitor plant performance and identify opportunities for improving system reliability and energy efficiency.
• Conduct refrigerant leak detection, testing, and repairs in accordance with F-Gas regulations.
• Operate and utilise the Building Management System (BMS) to monitor environmental conditions and optimise cooling plant performance.
• Ensure all plant faults and defects are promptly rectified.
• Manage and supervise specialist subcontractors.
• Administer permits to work and ensure compliance with Quality, Health & Safety procedures.
• Prepare and utilise Risk Assessments and Method Statements (RAMS).
• Ensure suitable spare parts and refrigerant stock are available.
• Provide parts quotations, recommendations, and estimated timescales for remedial works.
• Complete all service reports, maintenance records, and reactive work documentation accurately.
• Maintain all plant rooms, chiller compounds, and associated work areas in a clean, safe, and orderly condition.
• Ensure compliance with all statutory regulations, including F-Gas legislation and refrigeration safety standards.
• Support energy management initiatives by monitoring system efficiency and recommending improvements.
• Ensure assigned tasks are completed safely, efficiently, and within KPI and SLA requirements.
• Update and maintain the Computer-Aided Facilities Management (CAFM) system with accurate records.
• Promote a strong health and safety culture, completing dynamic risk assessments and ensuring compliance with Lock Out Tag Out (LOTO) procedures.
• Develop and maintain effective working relationships with colleagues, subcontractors, and client representatives.
• Present a professional image of BGIS at all times.
• Undertake any additional duties as directed by the Site Management Team.

Requirements

• Proven experience maintaining and repairing commercial or critical-environment chiller systems.
• Strong fault-finding experience on chilled water and refrigeration systems.
• Knowledge of pumps, cooling towers, pressurisation units, valves, controls, and BMS systems.
• Good understanding of mechanical and electrical building services.
• Experience working within commercial, critical, data centre, healthcare, or similar environments.
• Full UK Driving Licence.

Skills

• Chiller systems
• Refrigeration principles
• BMS controls
• Pumps
• Cooling towers
• Mechanical and electrical plant
• System performance data interpretation
• Refrigerant leak detection
• F-Gas regulations
• CAFM systems (e.g., Maximo)
• Risk Assessment and Method Statements (RAMS)
• Permits to work
• Lock Out Tag Out (LOTO) procedures

Location

• London & South East

Work Type

• Mobile

Experience Level

• Proven experience

Education Level

• Recognised Refrigeration & Air Conditioning qualification (City & Guilds, NVQ Level 2/3, or equivalent)
• Current F-Gas Category 1 Certification
• IPAF qualification (Desirable)
• PASMA qualification (Desirable)
• Electrical qualifications (Desirable)
• HVAC controls experience (Desirable)

About the Company

• At BGIS we believe that diversity and inclusion is a key business driver.
• We are committed to maintaining a barrier-free recruitment process by providing equal employment opportunities through recruiting and retention of individuals of all backgrounds.
• Promoting diversity is an essential component of our continuing pursuit for organisational success!

Equal Opportunity

• BGIS is committed to maintaining a barrier-free recruitment process by providing equal employment opportunities through recruiting and retention of individuals of all backgrounds.
• We recognize that promoting diversity is an essential component of our continuing pursuit for organisational success!