HIU Senior Engineer
Vector Recruitment Solutions Ltd
Clerkenwell · posted 14 August 2026
Salary
£50,000 a year
Job type
full time
Location
Clerkenwell, Greater London
Category
Engineering
HIU Senior Engineer Salary : £40,000
The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have.
- £50,000 Bonus & Electric Car Scheme (DOE) Location : London & South UK Permanent, Full Time Due to hiring timescales, sponsorship is unavailable for this opportunity 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? 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.
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: Completing planned preventative maintenance (PPM) and reactive servicing of Heat Interface Units (HIUs) across various manufacturers.
Diagnosing complex faults, executing first-time fixes, and conducting root-cause analysis to resolve operational issues.
Managing site-based project works and assisting with 1-to-12 monthly mechanical PPM checks within commercial plant rooms.
Participating in a structured on-call rota (1 week in 4) to execute emergency callouts and reinstate heat securely.
The Package Base salary of £40,000
- £50,000 (DOE) plus a discretionary performance bonus.
25 days annual leave Bank Holidays (option to buy or sell up to 5 additional days).
Access to an Electric Car lease scheme and Cycle to Work scheme.
Private health care scheme, pension plan, and health and well-being support.
Company laptop, tablet, and mobile phone provided, alongside continuous learning opportunities.
Technical Essentials To be successful, you must demonstrate high-level technical proficiency and a commitment to safe working practices: Mandatory: Minimum of 3 years direct experience working as an HIU Service Engineer.
Compliance Expert: Part P and Part G certifications.
System Knowledge: Strong working knowledge of heat network energy centres, plant rooms, and ability to read technical drawings (P&IDs).
Safety: Competency in mechanical and electrical safe isolation.
Mobility: Full UK Driving License held for a minimum of 12 months.
The Package Base salary of £40,000
- £50,000 (DOE) plus a discretionary performance bonus.
25 days annual leave Bank Holidays (option to buy or sell up to 5 additional days).
Access to an Electric Car lease scheme and Cycle to Work scheme.
Private health care scheme, pension plan, and health and well-being support.
Company laptop, tablet, and mobile phone provided, alongside continuous learning opportunities.
Apply Today. xwzovoh
Take the next step in your engineering career with a market leader that prioritises technical innovation and the decarbonisation of the built environment.
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The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have.
- £50,000 Bonus & Electric Car Scheme (DOE) Location : London & South UK Permanent, Full Time Due to hiring timescales, sponsorship is unavailable for this opportunity 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? 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.
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: Completing planned preventative maintenance (PPM) and reactive servicing of Heat Interface Units (HIUs) across various manufacturers.
Diagnosing complex faults, executing first-time fixes, and conducting root-cause analysis to resolve operational issues.
Managing site-based project works and assisting with 1-to-12 monthly mechanical PPM checks within commercial plant rooms.
Participating in a structured on-call rota (1 week in 4) to execute emergency callouts and reinstate heat securely.
The Package Base salary of £40,000
- £50,000 (DOE) plus a discretionary performance bonus.
25 days annual leave Bank Holidays (option to buy or sell up to 5 additional days).
Access to an Electric Car lease scheme and Cycle to Work scheme.
Private health care scheme, pension plan, and health and well-being support.
Company laptop, tablet, and mobile phone provided, alongside continuous learning opportunities.
Technical Essentials To be successful, you must demonstrate high-level technical proficiency and a commitment to safe working practices: Mandatory: Minimum of 3 years direct experience working as an HIU Service Engineer.
Compliance Expert: Part P and Part G certifications.
System Knowledge: Strong working knowledge of heat network energy centres, plant rooms, and ability to read technical drawings (P&IDs).
Safety: Competency in mechanical and electrical safe isolation.
Mobility: Full UK Driving License held for a minimum of 12 months.
The Package Base salary of £40,000
- £50,000 (DOE) plus a discretionary performance bonus.
25 days annual leave Bank Holidays (option to buy or sell up to 5 additional days).
Access to an Electric Car lease scheme and Cycle to Work scheme.
Private health care scheme, pension plan, and health and well-being support.
Company laptop, tablet, and mobile phone provided, alongside continuous learning opportunities.
Apply Today. xwzovoh
Take the next step in your engineering career with a market leader that prioritises technical innovation and the decarbonisation of the built environment.