Commercial Pipefitter

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 now, this fast‑growing, award‑winning heat network services provider employs more than 70 staff.

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.

This is a permanent position based in London, working Monday to Friday for 37.5 hours per week. The basic salary ranges from £50k to £60k per annum, depending on experience. Additional perks include a van and fuel card (with personal use allowance), pension, 25 days annual leave plus bank holidays, overtime and development & training opportunities.

Responsibilities

• 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 with a variety of pipe materials including copper, carbon steel, stainless steel and plastic.
• Carry out and oversee jointing methods such as press‑fit, threaded, soldered/brazed 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 work.
• 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 comply 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.

Skills & Qualifications

• NVQ Level 2 or 3 in Plumbing & Heating or Mechanical Engineering – desirable.
• Strong commercial pipefitting and mechanical installation experience.
• Proven experience working on commercial heating, LTHW, CHW or district heating systems.
• Strong experience with 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.