Posted 16 August, 2026
HIU Senior Engineer
Vector Recruitment Solutions Ltd
City of London, ENG, GB
Full Time
Job Description
HIU Senior Engineer\n
Salary : £40,000 - £50,000 + Bonus & Electric Car Scheme (DOE)\n
Location : London & South UK\n
Permanent, Full Time\n
\n Due to hiring timescales, sponsorship is unavailable for this opportunity\n
\n Are you an experienced HIU specialist looking to join an innovative leader in low-carbon district energy and take the next step into a senior, mentoring role?\n
\n A Specialist Renewable EnergyConsultancy is expanding its operations and seeking a dependable HIU Senior Engineer to cover London and the South of the UK. This is a pivotal role within a highly supportive operations team, offering the chance to maintain complex heat networks and play a direct role in major city-scale decarbonisation projects.\n
The Opportunity: You will play a vital role in ensuring the efficiency and reliability of low-carbon heat networks. Your day-to-day remit involves a blend of hands-on technical maintenance, fault-finding, and team development:\n
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Salary : £40,000 - £50,000 + Bonus & Electric Car Scheme (DOE)\n
Location : London & South UK\n
Permanent, Full Time\n
\n Due to hiring timescales, sponsorship is unavailable for this opportunity\n
\n Are you an experienced HIU specialist looking to join an innovative leader in low-carbon district energy and take the next step into a senior, mentoring role?\n
\n A Specialist Renewable EnergyConsultancy is expanding its operations and seeking a dependable HIU Senior Engineer to cover London and the South of the UK. This is a pivotal role within a highly supportive operations team, offering the chance to maintain complex heat networks and play a direct role in major city-scale decarbonisation projects.\n
The Opportunity: You will play a vital role in ensuring the efficiency and reliability of low-carbon heat networks. Your day-to-day remit involves a blend of hands-on technical maintenance, fault-finding, and team development:\n
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- Completing planned preventative maintenance (PPM) and reactive servicing of Heat Interface Units (HIUs) across various manufacturers.
\n - Diagnosing complex faults, executing first-time fixes, and conducting root-cause analysis to resolve operational issues.
\n - Managing site-based project works and assisting with 1-to-12 monthly mechanical PPM checks within commercial plant rooms.
\n - Participating in a structured on-call rota (1 week in 4) to execute emergency callouts and reinstate heat securely. \n
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- Base salary of £40,000 - £50,000 (DOE) plus a discretionary performance bonus.
\n - 25 days annual leave + Bank Holidays (option to buy or sell up to 5 additional days).
\n - Access to an Electric Car lease scheme and Cycle to Work scheme.
\n - Private health care scheme, pension plan, and health and well-being support.
\n - Company laptop, tablet, and mobile phone provided, alongside continuous learning opportunities.
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Mandatory: Minimum of 3 years direct experience working as an HIU Service Engineer.
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Compliance Expert: Part P and Part G certifications.
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System Knowledge: Strong working knowledge of heat network energy centres, plant rooms, and ability to read technical drawings (P&IDs).
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Safety: Competency in mechanical and electrical safe isolation.
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Mobility: Full UK Driving License held for a minimum of 12 months.
\n
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- \n
- Base salary of £40,000 - £50,000 (DOE) plus a discretionary performance bonus.
\n - 25 days annual leave + Bank Holidays (option to buy or sell up to 5 additional days).
\n - Access to an Electric Car lease scheme and Cycle to Work scheme.
\n - Private health care scheme, pension plan, and health and well-being support.
\n - Company laptop, tablet, and mobile phone provided, alongside continuous learning opportunities.
\n
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