Field Technical Engineer - HIU

Insite Energy

City Of London

On-site

GBP 36,000 - 48,000

Full time

14 days+
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Benefits offered by this job

Competitive base salary + KPI bonus
Company van
25 days of holiday
Pension Scheme
Employee Assistance Programme
CSR Programme
Social events

Job summary

A leading energy solutions company in the UK seeks a Field Technical Engineer to support the installation and maintenance of heat network equipment. The ideal candidate will have at least NVQ level 2 in plumbing and heating, a CSCS card, and a valid driving license. Responsibilities include installation, fault detection, and customer support. The role offers a competitive salary with bonuses and a supportive work environment focused on personal and professional growth.

Qualifications

  • Minimum qualification of NVQ level 2 or equivalent in plumbing and heating.
  • Certified in 18th edition domestic wiring (training provided).
  • CSCS card is essential.
  • SMSTS or H&S qualification desirable.
  • First aid trained desirable.
  • Full driving licence essential.
  • Positive attitude toward customer service excellence and teamwork.

Responsibilities

  • Install and commission heat network equipment
  • Provide reactive maintenance on installed equipment
  • Conduct site surveys and assist installation team
  • Report to site staff and client contacts as required.
  • Maintain HIU, MVHR, FCU and cooling meters in homes.
  • Install and maintain in-property heating and cooling controls.

Skills

Plumbing and heating NVQ level 2 or equivalent
CSCS card
Positive attitude towards customer service
Driving licence

Education

NVQ level 2 in plumbing and heating
CSCS Card
18th Edition Domestic Wiring
SMSTS or H&S Qualification
First Aid Trained
Full Driving Licence

Job description

About The Role

Insite Field Technical Engineer’s support the installation, maintenance, and effective operation of heat network equipment (HIU’s, Valves, Meters, PAYG devices & metering systems) deployed within our client’s developments and their customers’ homes. The Field Technical Engineer role includes the installation & commissioning, fault detection & remedy of all in‑property assets which are connected to the central heat and cooling networks. Much of this role includes working in the built environment on multi‑million‑pound construction schemes and in people’s homes.

Specific Responsibilities Include
  • Installation and commissioning Insite prepayment & controlled credit systems
  • Using a laptop and tablet device to commission metering equipment, update records and systems.
  • Problem solving and fault‑finding issues on site and liaising with other trades and the main contractor.
  • Liaise with & report to site staff (clients, principal contractors, consultants & heating / plumbing sub‑contractors)
  • Heat Interface Unit (HIU) replacement, maintenance, and servicing (mainly in occupied homes).
  • Mechanical Ventilation Heat Recovery Units (MVHR) installation, replacement and maintenance.
  • Fan Coiled Units (FCU) and cooling meter replacement, maintenance, and servicing.
  • Installation and maintenance of in‑property heating and cooling controls.
  • Commissioning, service, and repair of in‑property heating and cooling systems.
  • To conduct site surveys and assist the Installations Team with the installation and commissioning of new systems.
  • Full installation, retrofitting and maintenance of multi‑utility Pay‑As‑You‑Go metering systems, including prepayment valve, mains spur, wiring and commission (mainly in occupied homes).
  • Installing IT Gateways & Radio Frequency (RF) equipment.
Work In Plantrooms
  • Provide both pre‑planned and reactive maintenance to plantrooms which we are contracted to maintain (training provided).
  • Carry out monthly inspections and condition reports on plant and kit installed with the plantrooms and infrastructure (training provided).
  • Replacement of components such as pumps, valves and other components as deemed necessary (training provided).
Support On‑going Customer Services
  • Provide reactive maintenance; including equipment installed in people’s homes or commissioned within a scheme but not yet handed over to clients / residents.
Location and Working Hours
  • Full‑time position (37.5 hours per week).
  • Monday to Friday working 7.5 hours per day between 08:00 and 20:00.
Required Skills And Attributes
  • Minimum qualification of NVQ level 2, or equivalent, in plumbing and heating
  • Certified in 18th edition domestic wiring (not essential, training can be provided)
  • CSCS card – Essential
  • SMSTS or H&S qualification – desirable
  • First aid trained – desirable
  • Full driving licence essential
  • Positive attitude towards providing customer service excellence in all aspects of work
  • Happy to work as an individual but contribute to the team goals, ethos and share best practice
Benefits
  • Salary: Competitive base salary + KPI related bonus
  • Vehicle: Company van included (personal usage permitted subject to tax and fuel charges)
  • 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.
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.

Our Values
  • Community
  • Innovation
  • Excellence
  • Sustainability
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