Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Install, service, and maintain commercial HVAC systems across London.
- Company: Join a leading HVAC specialist with over 30 years of experience.
- Benefits: Enjoy competitive salary, generous holiday, and wellness perks like gym access.
- Why this job: Work in a dynamic environment with diverse projects and high-spec systems.
- Qualifications: Must have experience with commercial boilers and relevant gas qualifications.
- Other info: Participate in a call-out rota for extra earnings and professional growth.
The predicted salary is between 48000 - 55000 £ per year.
Mobile Commercial Gas Engineer Location: Central & Greater London (within the M25)
Salary: £48,000 £55,000 basic (OTE around £60,000 including call-out)
Hours: 8am 5pm | Permanent
Call-Out Rota: Around 1 week in 7 (double-time overtime + £150 standby allowance)
TheRole:Our client is a long-established HVAC specialist with over 30 years of experience delivering high-quality mechanical and heating services across London and the Home Counties. They work with a wide range of clients, from corporate offices to public sector buildings, providing a varied and technically challenging workload that keeps the job interesting. They are now seeking an experienced Mobile Commercial Gas Engineer to join their team. This role involves the installation, servicing, maintenance and repair of commercial and domestic HVAC systems, including boilers, pumps, pressurisation units and expansion vessels. While most work is based within Central and Greater London, some travel around the M25 will also be required. The position includes participation in an on-call rota, usually one week in seven. This adds around £5,000 per year in additional earnings, bringing the total on-target earnings to approximately £60,000. Its an excellent opportunity for an engineer who enjoys working across different sites and wants exposure to high-spec commercial systems in a fast-paced metropolitan environment.
What Youll Do
- Install and commission HVAC systems, ensuring compliance with regulations and manufacturer guidance.
- Carry out planned and reactive maintenance across multiple sites.
- Diagnose and repair faults in boilers, pumps and associated equipment.
- Work safely in line with health and safety standards.
- Communicate professionally with clients and maintain accurate service records.
- Support other trades and provide cover as part of the call-out rota.
What You Need
- Proven experience working on commercial boiler systems.
- Strong diagnostic and fault-finding skills.
- Current Commercial Gas qualifications (essential).
- Additional oil qualifications (desirable).
- Full UK driving licence and reasonable commute to Central London.
Whats on Offer
- £48k£55k basic plus approx. £5k call-out earnings (OTE around £60k)
- 25 days holiday plus 8 bank holidays
- Sick pay and accident insurance
- Loyalty bonus after two years
- Life assurance (2x salary)
- Employee Assistance Programme with GP access
- Training and development via a dedicated Training Academy
- Recognition schemes, team events and more
- Onsite gym and spa facilities at head office
JBRP1_UKTJ
Mobile Commercial Gas Engineer employer: Mainstay Facilities
Contact Detail:
Mainstay Facilities Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Mobile Commercial Gas Engineer
✨Tip Number 1
Make sure to highlight your experience with commercial boiler systems during any conversations or interviews. This role specifically requires proven experience, so be ready to discuss your past projects and the challenges you faced.
✨Tip Number 2
Familiarise yourself with the latest HVAC technologies and regulations. Being knowledgeable about current industry standards will not only impress potential employers but also show that you're committed to staying updated in your field.
✨Tip Number 3
Network with professionals in the HVAC industry, especially those who work in commercial settings. Attend local trade shows or join relevant online forums to connect with others who might provide insights or referrals for this position.
✨Tip Number 4
Prepare to discuss your approach to health and safety standards in your work. Given the nature of the job, demonstrating a strong understanding of safety protocols will be crucial in showcasing your professionalism and reliability.
We think you need these skills to ace Mobile Commercial Gas Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with commercial boiler systems and HVAC installations. Use specific examples that demonstrate your diagnostic and fault-finding skills, as well as any relevant qualifications.
Craft a Strong Cover Letter: Write a cover letter that addresses the key responsibilities of the Mobile Commercial Gas Engineer role. Mention your experience in servicing and maintaining HVAC systems, and express your enthusiasm for working in a fast-paced metropolitan environment.
Highlight Relevant Qualifications: Clearly list your current Commercial Gas qualifications and any additional oil qualifications you may have. This will show that you meet the essential requirements for the position.
Showcase Soft Skills: In your application, emphasise your communication skills and ability to work safely in line with health and safety standards. Mention any experience you have in client interactions or teamwork, especially in a call-out rota context.
How to prepare for a job interview at Mainstay Facilities
✨Showcase Your Technical Skills
Make sure to highlight your experience with commercial boiler systems and HVAC installations. Be prepared to discuss specific projects you've worked on, including any challenges you faced and how you overcame them.
✨Demonstrate Problem-Solving Abilities
Since the role requires strong diagnostic and fault-finding skills, be ready to provide examples of how you've successfully diagnosed and repaired faults in previous positions. This will show your potential employer that you can handle the technical demands of the job.
✨Emphasise Safety Awareness
Working safely is crucial in this role. Be sure to mention your understanding of health and safety standards and any relevant training you've completed. This will reassure the interviewer that you prioritise safety in your work.
✨Prepare for Client Interaction
As communication with clients is part of the job, think about how you can demonstrate your professionalism and customer service skills. Share experiences where you've effectively communicated with clients or resolved their concerns to show you're a good fit for the team.
