Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Commercial Gas Engineer – Fantastic Career Opportunity

Location: Hertfordshire & Surrounding Areas (with occasional London travel)

Salary: £42,000 – £48,000 (DOE) + Standby + Call-Outs + Excellent Overtime

Hours: Monday–Friday, 08:00–17:00

Employment Type: Full-time, Permanent

Overview

Our client, a respected and long-established building engineering services provider, is expanding their commercial gas team and seeking an experienced Commercial Gas Engineer to join them. With over twenty years of proven expertise, they have built an exceptional reputation for delivering high-quality engineering solutions that enhance the safety, comfort, and reliability of the buildings they maintain.

This is an outstanding opportunity to join a company that genuinely values its engineers and places people at the centre of its long-term growth. You’ll benefit from in-house training, excellent technical support, and clear progression pathways—making it an ideal role for someone looking to take the next step in their commercial gas career.

The Role

Working across a variety of sites—including schools, commercial offices, residential buildings and other facilities—you will be responsible for the service, maintenance, diagnostics and repair of commercial boilers and associated plant.

You will also support installation projects, including testing, commissioning, and completing all required documentation to regulatory standards. Engineers will provide technical guidance to clients on-site and participate in an on-call rota approximately one week in ten.

You’ll be joining an experienced, supportive engineering team that prides itself on delivering excellent customer service and high-quality work.

Key Responsibilities

Carry out planned preventative maintenance, annual servicing and responsive repairs

Diagnose faults and ensure systems meet current legislation and safety standards

Perform testing and inspections, ensuring accurate digital records are completed

Install new commercial gas equipment and commission systems to the required specification

Repair or replace defective equipment, identifying and ordering required parts

Maintain regular communication with the Operations Manager and office team

Provide excellent customer service and act as a knowledgeable point of contact onsite

Maintain accurate documentation, including measurements, calculations, and job reports

Participate in the on-call rota (approx. 1 week in 10)

Requirements

Minimum 3 years’ experience as a Commercial Gas Engineer

ACS Commercial Gas qualifications (CODNCO1, COCN1, ICPN1, CIGA1, CORT1, CDGA1) – Essential

Domestic ACS qualifications – Advantageous

Relevant Level 2/3 Gas Engineering qualifications (NVQ / City & Guilds)

Strong understanding of current gas regulations

Good IT skills (PDA / digital compliance systems)

Strong communication, organisation, and problem-solving abilities

Able to work independently with a proactive attitude

Clean UK driving licence

Clean DBS

Benefits & Package

£42,000 – £48,000 basic salary

Standby fees + additional call-out payments

Substantial overtime available (excellent earning potential)

40-hour working week, Monday–Friday

24 days holiday + bank holidays (increases with length of service)

Fully serviced company van + fuel card

Company phone/tablet and full uniform

Complete tool kit provided

Company pension

Employee Assistance Programme (mental health support, counselling etc.)

Annual performance reviews

Additional perks, benefits and discount schemes

This is a brilliant opportunity for an experienced Commercial Gas Engineer looking for stability, progression, and a company that genuinely invests in its staff

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.