Location: Colchester Office (covering primarily Essex, with occasional travel to Kent, London, and Cambridgeshire)Salary: £45,000 - £50,000 (depending on experience)On-Call Rota: £140 weekly retainer (currently 1 in 6)We are currently recruiting on behalf of our client for a Commercial Gas/Mechanical Engineer to join their team. Based out of the Colchester office, the engineer will mainly cover Essex, with potential to travel to Kent, London, and Cambridgeshire as needed. This is an exciting opportunity for an experienced engineer to join a growing company with a broad range of responsibilities in both planned and reactive maintenance.Key Responsibilities:Installation:Install commercial gas appliances (boilers, heaters, burners, etc.).Install mechanical plant (pumps, heat exchangers, pressurisation units).Carry out pipework installations for gas, water, heating, and drainage systems.Install hot and cold water systems, including unvented cylinders and booster sets.Fit commercial plumbing fixtures (toilets, sinks, urinals, showers).Install flue systems in compliance with industry regulations.Commission new heating and plumbing systems to ensure operational efficiency.Maintenance and Servicing:Perform Planned Preventive Maintenance (PPM) on gas appliances and mechanical systems, adhering to SFG20 standards.Service and test gas boilers and appliances, including conducting tightness tests and combustion analysis.Maintain heating systems, including radiators, thermostatic valves, ..... full job details .....