Pipefitter, Trades ​/ Skilled Labor

Overview

We are currently recruiting for a Commercial Pipefitter on behalf of a specialist utility services company that provides installation, maintenance, metering and billing services to customers throughout the UK.

Operating for over 15 years, they are a fast growing reputable company with over 70 employees and an award‑winning heat network services provider.

The Commercial Pipefitter / Mechanical Installations Engineer is a senior field‑based role responsible for the delivery of commercial mechanical pipework installations, modifications, maintenance, and commissioning support across district heating, plant room, metering, and energy infrastructure projects.

The role requires a highly competent and self‑sufficient engineer with strong experience across commercial pipework systems, including steel, copper, and plastic pipe installations across medium and large diameter commercial systems. The successful candidate will take ownership of projects from initial site assessment and scoping through to installation, testing, commissioning support, documentation, and handover.

This is a permanent position covering London, Monday to Friday, 37.5 hours per week. Salary £50k – £60k per annum depending on experience. Other perks include van & fuel card for personal use, pension, 25 days annual leave plus bank holidays, overtime and development & training opportunities.

• Carry out commercial pipework installations, modifications, repairs, and upgrades across heating, chilled water, and mechanical systems.
• Install and modify medium and large diameter commercial pipework systems.
• Work competently across a variety of pipe materials including copper, carbon steel, stainless steel and plastic pipe systems.
• Carry out and oversee jointing methods including press‑fit systems, threaded pipework, soldered/brazed joints and flanged connections.
• Undertake valve replacements, pipework modifications, bypass arrangements, flushing points, strainers, pumps, and associated mechanical components.
• Support plant room modifications and heating network infrastructure upgrades.
• Independently scope, plan, and deliver commercial‑sized mechanical installations and pipework amendments.
• Assess site requirements and specify all labour, materials, fittings, plant, tooling, access equipment, and consumables required to complete works.
• Take full end‑to‑end ownership of allocated projects from survey through to completion and handover.
• Liaise with Project Managers and Field Operations management to ensure projects are delivered safely, efficiently, and to specification.
• Carry out site surveys and technical assessments.
• Ensure all works are completed in line with Health & Safety legislation, company procedures, site RAMS, industry standards and best practices.
• Maintain high standards of workmanship and professionalism on all sites.
• Carry out reactive and planned plant room maintenance activities where required.
• Communicate effectively with clients, residents, contractors, and internal teams.
• Provide regular updates on progress, risks, delays, and technical issues.
• Manage van stock, tools, equipment, and materials responsibly.

• NVQ Level 2 or 3 in Plumbing & Heating or Mechanical Engineering desirable.
• Strong commercial pipe fitting and mechanical installation experience.
• Proven experience working on commercial heating, LTHW, CHW, or district heating systems.
• Strong experience working on medium and large diameter commercial pipework systems.
• Heat meter installation experience highly advantageous, particularly DN100 flanged meters.
• Must hold a CSCS card (or be able to obtain one).
• Full UK driving licence.