Login to Apply

About Insite

Established in 2009, Insite Energy is a dynamic, fast-growing company that provides services to heat network suppliers in the UK. The services provided include metering & billing of residential customers, the installation (and retrofit) of credit billed and pay-as-you-go equipment, and ongoing maintenance and management of the heat network schemes.

We pride ourselves on our commitment to working as one team to put the customer and client first, delivering a reliable, competitive, and professional service. We are tireless in our efforts to be the best at what we do, which is reflected in our Trustpilot rating. With just over 70 current employees, we are small but mighty, delivering more by working together.

At Insite Energy, we embrace diversity and inclusion. We value all backgrounds, identities, and experiences. We're committed to providing equal opportunities for all and offering reasonable adjustments to ensure accessibility and inclusivity throughout the application process and in the workplace.

About the role

Due to growth, we’re expanding our maintenance team and looking for a Senior Commercial Gas Engineer to help us deliver exceptional service across our client’s district heating and energy networks.

We’re passionate about providing reliable, energy-efficient solutions that keep communities powered and comfortable. You’ll be joining a team that values technical excellence, customer satisfaction and innovation.

What you’ll be doing

* Maintain, service and repair commercial heating systems and heat network equipment (boilers, chillers, HIUs, fan coils, valves, meters, PAYG systems).

* Carry out commissioning, safety checks, and fault diagnosis to keep systems running safely and efficiently.

* Support the installation and maintenance of metering and billing systems, including retrofitting PAYG solutions.

* Lead and develop a small team of Commercial Gas Engineers, sharing your expertise and supporting their growth.

* Work across both large -scale construction projects and occupied residential properties, ensuring high standards of service and professionalism.

* Collaborate closely with the Head of Maintenance and Client Services teams to maintain Insite’s strong reputation for quality and reliability.

Location and working hours:

* Primarily field based across Greater London, with flexibility to travel UK wide on occasion.

* Office base location: Moorgate, London (WeWork)

* Monday to Friday, 7.5 hours per day between the hours of 08:00 and 20:00

Required skills and attributes:

* Valid Commercial & Domestic Gas Qualifications (COCN1, CIGA1, ICPN1, TPCP1/1A, CCN1, WAT1, CKR1, HTR1, CPA1 – preferred).

* NVQ Level 2 or higher in Plumbing and Heating (essential).

* Experience within district heating, communal systems, or large-scale plant rooms.

* Strong understanding of heating control systems and fault finding.

* Excellent communication and reporting skills – confident using tablets/laptops for data entry.

* CSCS card (or ability to obtain one) and a full, clean UK driving licence (essential).

* Previous leadership or mentoring experience is a bonus.

Desirable:

* NIC 18th Edition (or equivalent).

* SMSTS / SSSTS Health & Safety certification.

Benefits:

* Salary: Competitive salary based of skill, knowledge and experience

* Holiday Allowance: 25 days of holiday per year, plus English bank and public holidays, plus an additional day of Birthday leave.

* Pension Scheme: Employer pension contribution matched at 4%.

* Employee Assistance Programme (EAP): Free, confidential support available for personal and professional challenges.

* Corporate Social Responsibility (CSR) Programme: "DO RIGHT WITH INSITE" provides up to 2 paid days off per year for volunteering with company-led initiatives. Additional information can be viewed here

* Social Events: Regular company social events, including an annual Summer Party and Christmas Party.

* This benefits package offers a vibrant and supportive work environment, with opportunities for professional growth, work-life balance, and community engagement.

Our Values:

Community

Innovation

Excellence

Sustainability