Mechanical Plumbing Engineer (Plant Room)

London

Mechanical Plant Room Engineer

London & M25 area

We are working with a National organisation who design, build & operates district energy and heat networks across the UK.

They are seeking a Mechanical Engineer within the London & M25 area, with experience of working in Commercial Plant Rooms normally in excess of 1mw.

You will be undertaking mechanical PPMs, reactive call outs, planned repairs and project work, on Commercial Plant equipment, including maintaining and operating commercial non-gas plant, e.g., pumps, valves, strainers, actuators, plate heat exchangers, pressurisation units, degassers, etc.

The company will also support someone who is willing to work towards a valid commercial gas certificate.

 

Your Experience:

You will have experience maintaining and operating commercial non-gas plant, e.g., pumps, valves, strainers, would be beneficial. The role will be varied, undertaking mechanical PPMs, reactive call outs, planned repairs and project work, to further improve reliability and network efficiency - while experience in district heating networks is preferred but not essential.

You will be organised, self-motivated, and comfortable communicating with team members, as well as external clients.

 

Key Responsibilities:

  • Completion of planned preventative maintenance schedules (pumps, actuators, plate heat exchangers, pressurisation units, degassers)
  • Repair and reinstatement of commercial plant (as per above)
  • Completion of fault finding and repairs to commercial plant and other equipment including pumps and pipework
  • Attend reactive call-outs to sites to reinstate heat and resolve plant failures
  • Take part in an on-call rota and attend callouts (typically 1 week in 4)
  • Review root causes for plant failure (resolve operational issues which arise)
  • Management of site-based project work and development of the scope of works for plant remediation
  • Safe isolation of equipment before commencing works
  • Proactive in recognising H&S improvements and Incentives
  • Ensure maintenance system records are kept up to date to ensure accurate and secure records. This will involve the completion of clear and concise online work orders.

 

Knowledge & Experience

  • 3 years of experience working as a Commercial Plant Engineer or in a similar capacity
  • NVQ Level 2-3 in Gas or Plumbing
  • Knowledge of heat network energy centers and plantrooms
  • Able to read technical drawings e.g., P&IDs & mechanical schematics
  • Electrical competency (basic)
  • Competent with safe isolation (mechanical and electrical)
  • Full UK driving license

 

Remuneration

  • Basic from £43,000 to £50,000 (depending on experience) – Negotiable
  • Discretionary bonus based on individual and business performance
  • Private usage on company vehicle
  • An inclusive culture that promotes diversity
  • Holidays 25 days a year plus statutory holidays - with an option to purchase, or sell, up to an additional 5 days per annual leave year
  • Pension plan provision
  • Private health care scheme available
  • Cycle to work scheme
  • Electric car lease scheme
  • Health and well-being support
  • Continuing learning and development opportunities
  • Company laptop/tablet/mobile phone, etc
  • 40 hour work week
  • Will be required to work on the on-call rota

Interested? then please contact Dan at startMonday for an initial conversation or to apply in confidence.

Posted 2026-10-09

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