Commercial Plant Senior Engineer

Senior Engineer (Commercial Plant Rooms)

Salary: £42,750 – £50,000 base (depending on experience) + Discretionary Performance Bonus + Company Vehicle (with private use permitted)

Location: London & South UK (Field-based across operational heat networks)

Full-time, Permanent | 40-hour working week | On-call rota required (typically 1 in 4)

Due to hiring timescales, sponsorship is not available for this opportunity

Are you an experienced Commercial Plant Engineer looking to advance your technical expertise at the forefront of low-carbon district energy schemes within a rapidly expanding industry leader?

A Leading Specialist in low-carbon district energy networks is expanding its operations and seeking a highly skilled Senior Engineer (Commercial Plant Rooms) to cover London and the South of the UK. This is a pivotal role offering the chance to deliver planned maintenance, project works, and critical plant repairs across large-scale energy centres exceeding 1MW, directly supporting multi-million-pound urban decarbonisation developments.

The Opportunity:

You will play a vital role in delivering operation and maintenance services to optimise reliability and network efficiency across a growing fleet of heat networks. Your day-to-day remit involves:

Completing planned preventative maintenance (PPM) schedules across pumps, actuators, plate heat exchangers, pressurisation units, and degassers.

Carrying out fault-finding, mechanical diagnostics, and repairs to commercial plant rooms and associated pipework.

Attending reactive site call-outs to diagnose root causes of operational failure and safely reinstate heat services.

Managing site-based project installations and scopes of work for commercial plant remediation while maintaining robust online maintenance records.

The Package:

Base salary of £42,750 – £50,000 + discretionary bonus + fully equipped company vehicle with private mileage allowance.

25 days annual leave plus statutory bank holidays (with option to buy/sell up to 5 days) + comprehensive company pension scheme.

Private healthcare provision, health & well-being support, cycle to work scheme, and electric car lease scheme.

Dedicated continuing learning and development programmes with structured pathways to progress technical certifications.

Full company tooling and tech pack provided: company laptop, tablet, and mobile phone.

Technical Essentials:

To be successful, you must demonstrate high-level technical proficiency:

Mandatory: NVQ Level 2–3 in Gas or Plumbing; willingness to hold or work towards a valid Commercial Gas certificate.

Compliance/Systems: Strong understanding of safe mechanical and electrical isolation; ability to interpret P&IDs, technical drawings, and mechanical schematics; basic electrical competency.

Experience: Minimum of 3 years' experience operating within commercial plant rooms or energy centres in excess of 1MW; background servicing pumps, valves, strainers, and pressurisation units (district heating network exposure advantageous).

Mobility: Full UK driving licence held valid for a minimum of 12 months.

Take the next step in your Energy & Building Services career with a market leader that prioritises clear communication, technical excellence, and the continuous development of its people
Only candidates based in UK and eligible to work in UK are allowed