Plumbing, Heating & Gas Engineer (Domestic & Commercial)

  • Apex Plumbing Heating & Mechanical Services LTD
  • 28/01/2026
Full time Construction

Job Description

We are seeking an experienced Plumbing, Heating & Gas Engineer to carry out installation, servicing, maintenance, and breakdown works across a varied portfolio of domestic properties and commercial sites.

The successful candidate will have strong fault-finding and diagnostic skills, be comfortable working independently, and maintain high standards of workmanship, compliance and customer service.

Experience with air source and ground source heat pump systems is a strong advantage.

Key Responsibilities

Plumbing & Heating

Installation of domestic and commercial plumbing systems

First fix, second fix and final commissioning

Installation and modification of heating pipework (copper, MLCP, steel where applicable)

Fault finding and rectification on heating and hot water systems

Replacement of components including pumps, valves, cylinders, radiators and controls

Gas

Installation, servicing and breakdown of gas appliances

Domestic boilers and associated systems

Commercial gas plant

Gas safety inspections and certification

Tightness testing, purging and commissioning in accordance with regulations

Maintenance & Breakdown

Reactive breakdown attendance and fault diagnosis

Planned preventative maintenance (PPM)

Accurate identification of faults and cost-effective repair solutions

Clear communication with clients regarding findings and recommendations

Renewables (Advantageous)

Air Source Heat Pump (ASHP) installation, servicing and fault finding

Ground Source Heat Pump (GSHP) installation, servicing and fault finding

Understanding of low-temperature heating systems

Familiarity with MCS standards and best practice

Compliance & Administration

Completion of job reports, service sheets and certification

Adherence to Gas Safe, manufacturer and H&S requirements

Working to RAMS and site-specific safety procedures

Maintaining accurate records and photographic evidence where required

Essential Requirements

NVQ Level 2/3 in Plumbing & Heating (or equivalent)

Domestic and commercial gas ACS qualifications

Proven experience in install, service and breakdown works

Strong fault-finding and diagnostic ability

Ability to work independently and as part of a team

Full UK driving licence

Professional and customer-focused approach

Desirable / Advantageous

Commercial gas qualifications

Air Source Heat Pump experience

Ground Source Heat Pump experience

Unvented hot water certification

Experience working on commercial sites and plant rooms

MCS experience or willingness to train

What We Offer

Varied and interesting work across domestic and commercial sectors

Opportunity to work on modern plant, renewables and commercial systems

Ongoing training and development

Competitive rates / salary (dependent on experience and engagement type)

Long-term work with a growing mechanical services company

No agencies.