We are seeking a skilled Mobile Gas Engineer to deliver commercial gas, heating, combustion, and HVAC maintenance services across a portfolio of client properties throughout North London, inside the M25.
This role involves a mix of planned preventative maintenance (PPM), reactive maintenance, fault finding, servicing, repairs, and installation work across commercial and domestic gas systems.
Job Description
We are looking for an experienced engineer with a strong Facilities Management or building services background who can work independently across multiple sites, ensuring all systems operate safely, efficiently, and in line with relevant standards.
The successful candidate will benefit from fixed working hours, a steady workload, overtime opportunities, and long-term contract security.
Key Responsibilities
- Deliver planned preventative maintenance (PPM) and reactive maintenance on commercial combustion, heating, and HVAC systems.
- Diagnose and repair faults on gas, heating, and associated building services equipment.
- Undertake servicing, repairs, and installation work on commercial and domestic gas systems.
- Complete proactive maintenance tasks issued through the helpdesk within agreed timeframes.
- Carry out general building services maintenance including HVAC, plumbing, mechanical, and fabric-related works.
- Participate in the out-of-hours callout rota (approximately 1 in 15).
- Issue and manage Permits to Work and monitor contractor performance and workmanship.
- Maintain plant rooms, workshops, and storage areas to high housekeeping standards.
Professional and Personal Competencies/Qualifications
- Proven experience in commercial gas, combustion, and heating maintenance.
- Strong fault-finding and diagnostic skills.
- Experience carrying out reactive and planned preventative maintenance (PPM).
- Experience within Facilities Management (FM) or commercial building services environments.
- Ability to undertake installation, servicing, and repair work across a varied portfolio.
Qualifications
Commercial Gas
- COCN1 or CODNC1
- TPCP1A
- ICPN1
- CORT1
- CIGA1
Domestic Gas
- CCN1
- CENWAT1
- CPA1
Technical Qualifications
- City & Guilds or NVQ Level 2/3 in Plumbing, HVAC, Mechanical Engineering, or a related discipline.
Registrations & Licences
- Gas Safe Registered
- IPAF and/or PASMA
- Full UK Driving Licence
What’s on Offer
- Fixed Monday to Friday working pattern (8am-5pm).
- Overtime opportunities.
- Structured on-call rota of approximately 1 in 15.
- Consistent mix of scheduled PPM and reactive maintenance work.
- Long-term contract stability and job security.
The Company
ISS is a world-leading workplace and facility management company, connecting people and places to make the world work better. Working with customers day by day, side by side, we understand every aspect of the user experience.
Through a unique combination of intelligent solutions, high standards and people who care, to help our customers achieve their purpose, whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people.
We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #Becomewhoyouwant, #Bepartofsomethingbigger,
#facilitiesmanagement
ISS is proud to be a diverse and inclusive employer.
ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background.
We are proud to be a Gold Employer Recognition Scheme (ERS) award holder and a signatory of the Armed Forces Covenant, recognising our commitment to supporting veterans, reservists, and military families. Through our Joint Forces Programme, we provide mentoring and support to members of the Armed Forces community and their spouses as they transition into civilian careers.
We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme.
Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work.
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Mobile Gas Engineer employer: Iss-Facility-Service
At ISS, we pride ourselves on being a people-focused employer that values safety and customer experience. Our commitment to employee growth is evident through our apprenticeship programmes and inclusive work culture, which fosters diversity and creativity. Join us in creating a safe environment while enjoying the benefits of a supportive team and opportunities for personal development in a leading facility management company.
