Service & Maintenance Heating Engineer
Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Oct 23, 2026.
Rendesco is the UK's leading heat pump and heat network business. We design, build, fund, own and operate heat networks and heat pump systems that help to decarbonise our homes. Our unique low cost and low carbon solutions enable new-build developers, social housing providers and homeowners to move away from gas quickly, affordably and at scale.
We're at an inflection point. The market is moving decisively towards low carbon heating, and we have the capital, technology and track record to lead this transition. We’re now looking for talented people to help us build the future of low carbon energy.
About the Role
As a Service Engineer with Rendesco, you will be responsible for the servicing, maintaining, and repairing of heat pump systems in residential, commercial, and industrial settings. This hands-on role will involve diagnosing faults, optimising system performance, and ensuring compliance with industry standards and regulations.
You will be at the heart of maintaining the high standards of service that Rendesco is known for, directly contributing to the reliability and efficiency of our cutting-edge, low-carbon heating systems.
Responsibilities
Maintenance & Repair:
Conduct routine servicing, fault finding, repairs, and preventive maintenance of industrial, commercial, and domestic ground and air-source heat pumps.
Diagnose and troubleshoot faults in heat pump systems.
Replace defective components and test system functionality.
Customer Support & Reporting:
Provide technical advice and support to customers, ensuring their systems operate smoothly.
Complete service reports and maintain up-to-date documentation.
Educate customers on system operation and energy efficiency.
Compliance & Safety:
Ensure all work complies with health and safety regulations.
Handle refrigerants safely and in accordance with environmental guidelines.
Stay updated on industry standards and best practices.
Requirements
Experience with Ground Source and Air Source Heat Pumps-installing, servicing, or commissioning systems.
Fault finding and troubleshooting experience with heating systems.
Understanding of heating systems, associated pumps/valves, and safety requirements.
A basic understanding of PLC control systems.
Electrical fault finding to board/component level would be advantageous.
Personal Attributes:
Strong Customer Service and Communication Skills-vital for liaising with customers.
A good Team Player who is comfortable with lone working, as this role involves travelling to customer sites.
A proactive problem-solver with a hands-on approach.
Education:
NVQ Level 2 or 3 in Plumbing, Heating, or Refrigeration (Essential)
G3 qualification unvented (essential)
FGAS (Desirable but not essential)
Location:
Ideal location for this role would be Reading, Newbury, or surrounding areas.
What's in it for you?
A competitive annual salary & overtime.
Company Van provided for business use.
- Private Medical Insurance after successful completion of probation.
- Electric Vehicle and Cycle to Work Salary Sacrifice Schemes.
- £30 monthly phone allowance.
- £50 quarterly social budget.
- 25 days holiday plus bank holidays.
- Training, development and progression opportunities.
- A collaborative and supportive culture, with regular company socials, team events and celebrations designed to bring our teams together.
Be the change.
This is a unique opportunity to join a rapidly growing business in a high-demand industry, with the chance to initially contribute to an iconic development that will set a new benchmark for sustainable living in the UK.
At Rendesco, we're committed to creating an inclusive workplace. As a Disability Confident and equal opportunities employer, we welcome applications from all backgrounds.