Job Vacancy: Mobile Gas Maintenance Engineer

Job Title: Mobile Gas Maintenance Engineer

Reports To: Maintenance Manager

Department: Maintenance

Location: South Wales and surrounding areas

Contract: Full Time – 40 Hours per week

Hours of work: Monday – Friday 08:30-17:00 – On Call Rota

Salary: Up to £45K Basic DOE

THE COMPANY

CMB Maintenance has long been part of CMB’s successful history and is able to offer post project support in a range of facilities management activities that is experiencing many new exciting contracts and expediential growth. We have an exciting opportunity for the right person to join our friendly dynamic team at our Cardiff office.

THE JOB

As our Business continues to grow, we have an exciting opportunity for a Mobile Gas Maintenance Engineer to join an established Maintenance Team in Cardiff.

CMB Maintenance are looking for an enthusiastic, self-motivated, Commercial Gas Engineer to join our expanding team on a permanent basis, providing servicing across our portfolio and projects, predominantly in South Wales and surrounding areas, with some working further afield a couple of times a year.

The right candidate will need a good knowledge of many types of heating and hot water systems including unvented hot water, plant/boiler rooms and ideally controls and wiring. You will also be required to carry out mixed aspects of plumbing works.

 ESSENTIAL

• Commercial Gas Qualification COCNPI1LS, ICAE1LS, ICPN1LS, TPCP1, TPCP1A

• G3 Unvented Hot Water

• Recognised Health & Safety training 

• Good written and verbal communication skills 

• Ability to achieve high levels of customer satisfaction 

• Be able to operate Smart devices and complete electronic documentation 

• Full driving licence (No more than 3 points)

• Pass Enhanced DBS checks

• Electrical experience and knowledge

• Willingness to be part of the on call rota

Experience in a similar role and detailed knowledge are essential for this role. We also have a strong reputation for developing people and offering career progression.

WHAT WE ARE LOOKING FOR

• Experience in similar role, leading a team, communicating with clients and suppliers, ordering materials.

• Ability to fault find and diagnose issues when investigating call outs and failures on associated appliances.

• Carry out servicing to the highest levels with great attention to detail, using industry, statutory and manufacturers recommendations.

• Initiative to reach out to technical support from manufacturers when required.

• Broad technical knowledge in maintenance for understanding mechanical and electrical remedial work quotes.

• Motivated individual that can work as part of a team and to their own initiative.

• Ability to be proactive with tasks and duties.

• Excellent customer service skills while dealing with clients. Sometimes in emergency situations.

• Excellent telephone & email manner, with the ability to communicate clearly, effectively and maintain a high level of professionalism.

• Strong communication and interpersonal skills, with the ability to explain technical information clearly.

• Good knowledge of Microsoft systems to include Word, Excel, PowerPoint, Outlook and the Internet.

• Committed to following procedures and ensuring tasks are fully completed.

• Exceptional organisation skills, with the ability to prioritise to meet deadlines.

• Able to work under pressure, individually and as part of a team with a flexible approach to meet the needs of the business.

DESIRABLE / BENEFICIAL

• Proven Estates Experience, ideally in a FM Provider Environment.

• Experience in Facilities Management, Maintenance, Construction or a related industry.

• Commercial catering gas qualification/experience

• IPAF/PASMA

• Knowledge of Air source heat pumps

• Experience with oil boilers, district heating networks & equipment

 BENEFITS (subject to a successful completion of probationary period)

Competitive salary (£45k Basic plus on call rate & overtime) and benefits package

Private Healthcare

Opportunities for professional development and career growth

Company Pension Scheme

If you are interested in applying for this role, please send a copy of your CV to careers@cmbeng.co.uk  

Closing Date for CV’s: Friday 23^rd October 2026 at 5:00pm

Date for Interviews: W/C Monday 2^nd November 2026

Please Note: Due to the overwhelming number of applications we receive, we may only contact candidates who have been shortlisted for an interview.

We also reserve the right to close this vacancy early if the demand in applications become high.

We do not require assistance from recruitment agencies.

CMB Maintenance is an Equal Opportunities Employer.