Heating Engineer- heat pump & Gas boiler

Cystem Green Solutions Limited; London Borough of Croydon; On-site; GBP 36,000 - 54,000; Full time

Job summary

Cystem Green Solutions Limited is a Croydon-based renewable energy and sustainability consultancy focused on low-carbon heating solutions and building efficiency. This full-time, on-site role centers on installing, commissioning, servicing, and repairing domestic heating systems including heat pumps and gas boilers.

You will diagnose faults, perform routine maintenance, complete reports, and guide customers on operation and efficiency measures while coordinating with the team to ensure timely

Qualifications

• Strong central heating and gas boiler skills including installation, servicing, diagnostics, and repair of domestic heating systems.
• LPG and plumbing skills for working with pressurized systems, pipework, fittings and hot water components.
• Building maintenance skills to integrate heating installations safely within existing structures.
• Clear communication and on-site professionalism to explain issues accessibly.

Responsibilities

• Install, commission, service and repair domestic heating systems including central heating, hot water, and renewables.
• Diagnose faults and perform routine maintenance across client properties.
• Complete documentation and job reports; coordinate with colleagues to deliver projects on time.
• Provide clear guidance to customers on system operation and energy efficiency practices.

Skills

Central heating

Gas boilers

Diagnostics

Repair

LPG

Plumbing

Building maintenance

Customer service

Education

NVQ/City & Guilds Plumbing & Heating

Job description

Company Description

Cystem Green Solutions Limited is a renewable energy and sustainability consultancy supporting homeowners, businesses, housing associations, and local authorities to improve energy efficiency and reduce carbon emissions. The company specializes in retrofit assessments, EPCs, retrofit coordination, solar PV, heat pumps, stock condition surveys, and decarbonisation project management. Cystem Green Solutions focuses on delivering practical, cost-effective solutions that align with the UK's Net Zero ambitions. The team works closely with clients to help lower energy costs while enabling more sustainable buildings and communities. This creates a dynamic environment for professionals committed to low-carbon technologies and long-term sustainability.

Role Description

This is a full-time, on-site Heating Engineer role based in Croydon, working primarily with heat pumps and gas boilers. The Heating Engineer will install, commission, service, and repair domestic heating systems, including central heating, hot water systems, and renewable heating technologies. Day-to-day responsibilities include diagnosing faults, conducting routine maintenance, and ensuring systems are safe, efficient, and compliant with relevant regulations. The role involves visiting client properties, completing documentation and job reports, and coordinating with colleagues to deliver projects on time. The Heating Engineer will also provide clear guidance to customers on system operation, energy efficiency improvements, and best practices for ongoing maintenance.

Qualifications

• Candidates should possess strong central heating and gas boiler skills, including installation, servicing, diagnostics, and repair of domestic heating systems.
• Candidates should possess LPG and plumbing skills for working with pressurized systems, pipework, fittings, and associated heating and hot water components.
• Candidates should possess building maintenance skills to ensure heating installations integrate safely and effectively within existing building structures.
• Candidates should possess customer service skills, including clear communication, professionalism on-site, and the ability to explain technical issues in accessible terms.
• Relevant qualifications such as NVQ or City & Guilds in Plumbing and Heating, Gas Safe registration, and experience with heat pump technologies are highly beneficial.
• Ability to interpret technical drawings, follow health and safety procedures, and maintain accurate records and certificates is expected.
• A valid UK driving license, willingness to work across multiple sites, and commitment to renewable and low-carbon heating solutions are advantageous.