HIU Service Engineer

HIU Service Engineer

Join the Team Powering London’s Low‑Carbon Future

We're looking for a motivated HIU Service Engineer to help us deliver exceptional service across London’s most innovative energy networks.

If you’re ready to take your plumbing or heating career to the next level and want to be part of the UK’s transition to a cleaner, greener future this is the role for you.

About the role

The HIU Service Engineer is responsible for carrying out planned preventative maintenance (PPM) on Heat Interface Units (HIUs) and Mechanical Ventilation with Heat Recovery (MVHR) systems across residential developments throughout London. The role is focused solely on servicing activities, ensuring equipment is maintained in accordance with manufacturer recommendations, contract requirements, and company procedures.

The engineer is typically scheduled to complete between 8-10 HIU or MVHR services per day, working independently to a planned programme of maintenance visits. Duties include conducting routine inspections, servicing components, identifying defects, recording asset information, producing accurate service records, and highlighting any remedial works required.

This role does not include:

• Participation in an on-call rota.
• Reactive maintenance or emergency call-outs.
• Breakdown attendance.
• Fault diagnosis beyond service observations.
• Energy centre, plantroom, or district heating network maintenance.
• Major repairs, commissioning, or project work.

The position is therefore highly structured, with the engineer's primary objective being to complete scheduled services safely, efficiently, and to a high standard while maintaining excellent customer service within occupied residential properties. Success in the role is measured through service completion rates, quality of service records, compliance with maintenance procedures, customer experience, and the identification of potential issues before they develop into failures.

Key responsibilities

• Completing scheduled servicing of Heat Interface Units in accordance with the servicing procedure
• Providing reactive maintenance for loss of services within required Service Level Agreements
• Identification and review of equipment faults carrying out repairs where required
• Inputting and maintaining documentation and records using the company asset management software
• Carrying out general ad hoc maintenance tasks within Energy Centre Plantrooms
• Working in a safe manner and in accordance with the company’s Health & Safety policy

What you will need

• Hold a city & guilds qualification or equivalent
• Experience wiring and fixing, Boilers/Heating, HVAC, Steam, Air Handling, Cooling, Renewable Energy (e.g Solar or Heat Pumps), or similar
• Full UK manual driving licence

The Company

Vital Energi is a major provider of renewable energy infrastructure and systems to the public and private sectors. We are supporting Hospitals, Universities, New Build developments, Towns and Cities as well as Industrial and Commercial clients to decarbonise their buildings.

We have and continue to work on ground-breaking projects throughout the UK which are supporting the UK’s Net Zero targets, such as the recently announced £1 billion low-carbon infrastructure project for Westminster.

With plans to double our headcount over the coming years, supported by offices opening in new locations across the country and our strong investment pipeline, coupled with our expansion into new markets such as industrial power generation with our very own Energy-from-Waste facility, there is no better time to join the family here at Vital Energi.

Applications will be processed within 28 days of receipt. If you have not heard from us within this time period it will mean that your application has unfortunately been unsuccessful.

The company is opposed to all forms of discrimination and will select for employment, training and promotion on the basis of suitability for the job and/ or merit. It is company policy that no job applicant or employee receives less favourable treatment than another on the grounds of sex, race, colour, age, ethnic or national origins, political affiliations, religious beliefs, marital status, physical disability or is disadvantaged by unjustifiable conditions or requirements.

Applicants must have the unrestricted and ongoing right to work in the UK for the duration of employment, without the need for sponsorship. Due to the nature of this role, we are unable to support visa sponsorship or employ individuals with time‑limited permission or conditions attached to their right to work in the UK

Notice to Agency and Search Firm Representatives:

Vital Energi Utilities Ltd is not accepting unsolicited CVs from agencies and/or search firms for this job posting. CVs submitted to any Vital Energi Utilities Ltd employee by a third party agency and/or search firm without a valid written & signed search agreement, will become the sole property of Vital Energi Utilities Ltd. No fee will be paid if a candidate is hired for this position as a result of an unsolicited agency or search firm referral. Thank you

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