Are you a skilled mechanically trained building services maintenance engineer? Do you have experience carrying out routine mechanical maintenance in a data centre or commercial building? Do you have a strong knowledge of maintaining chillers, air conditioning systems and critical infrastructure? I am working with a leading service provider who are on the search for a mechanical HVAC bias maintenance technician for a flagship commercial contract in London. Mon to Fri (7am to 4pm) 47,000 per annum plus overtime Static site in Central London Duties Conduct routine inspections, servicing, and repairs of Stulz CRAC units and associated equipment (e.g., air handling units, chillers, pumps). Perform scheduled preventive maintenance (PM) tasks to ensure proper functioning of the air conditioning systems. Troubleshoot and resolve issues with Stulz CRAC units, including refrigerant levels, electrical systems, compressors, expansion valves, fans, and sensors. Monitor and calibrate temperature and humidity controls to ensure optimal environmental conditions for the data centre. Replace filters, belts, gaskets, and other consumables to maintain efficiency and prolong the lifespan of the units. Perform leak detection, refrigerant recharging, and pressure testing to ensure system integrity. Document all maintenance activities, including system performance, maintenance tasks, repairs, and replacements. Regularly monitor the CRAC unit performance using the Building Management System (BMS) and Stulz-specific diagnostics tools. Provide real-time troubleshooting and diagnostics when systems report faults or malfunctions. Review system alarms and logs to ensure prompt identification of any cooling-related issues. Perform data logging and report temperature and humidity levels to ensure the data centre's cooling requirements are met Requirements NVQ Level 2 or 3 in Air conditioning& refrigeration F-Gas Level 1 (min) Commercial maintenance experience in a comm Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application. Candidates must be eligible to live and work in the UK. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.