Commercial ACS Gas Engineer

Daniel Owen Ltd; Greater London; On-site; GBP 40,000 - 52,000; Full time

Job summary

Daniel Owen Ltd is seeking an experienced Commercial ACS Gas Operative to service, maintain and repair heating systems across a portfolio of commercial and residential properties in Inner London. You will diagnose faults, install gas equipment, and ensure safe operation with a strong emphasis on regulatory compliance.

The role offers varied workload, job stability and the support of an established operations team.

Qualifications

• Essential gas qualifications and safety certificates are required.
• Valid UK driving licence and ability to travel between sites.
• Desirable certifications to enhance expertise in plant rooms and gas systems.

Responsibilities

• Servicing, maintenance and repair of commercial boilers and heating systems.
• Fault finding and diagnostics on gas appliances and controls.
• Installation of commercial boilers, burners, heaters and gas pipework.
• Commissioning new heating systems and ensuring safe operation.
• Gas tightness testing in line with IGEM/UP/1 standards.
• Carrying out planned preventative maintenance on plant equipment.
• Working with Building Management Systems and maintaining service records.

Education

Commercial ACS Gas Qualifications: COCN1, ICPN1, TPCP1 / TPCP1A, CIGA1, BMP1 (Gas Boosters)

Asbestos Awareness Certificate

Full UK Driving Licence

Energy Efficiency Qualification

DAH1

Unvented Hot Water

WRAS (Water Supply Regulations)

Working at Height Training

Manual Handling Training

First Aid Qualification

Job description

Commercial ACS Gas Operative

Locations: Various Inner London Boroughs

Join a Growing Commercial Gas Team

We are looking for an experienced Commercial ACS Gas Operative to join a busy and professional maintenance team working across a portfolio of commercial and residential properties throughout Inner London.

This is an excellent opportunity for a qualified Commercial Gas Engineer who enjoys fault finding, servicing, repairs and plant room maintenance. The role offers a varied workload, job stability, and the chance to work independently while being supported by an experienced operations team.

The Role

You will be responsible for servicing, maintaining and repairing commercial heating systems, boilers, associated controls and plant room equipment. You will also carry out diagnostic and repair work within occupied properties to ensure the continuous provision of heating and hot water services.

Key Responsibilities

• Servicing, maintenance and repair of commercial boilers and heating systems
• Fault finding and diagnostics on gas appliances and associated controls
• Installation of commercial boilers, burners, heaters and gas pipework
• Commissioning new heating systems and ensuring safe operation
• Carrying out gas tightness testing in line with IGEM/UP/1 standards
• Completing planned preventative maintenance (PPM) on commercial plant equipment
• Working with and understanding Building Management Systems (BMS)
• Maintaining accurate service records and certification
• Liaising professionally with clients, residents and stakeholders
• Ensuring all work complies with current gas regulations, health and safety requirements, and industry best practice
• Managing company equipment and vehicles responsibly

What We're Looking For

Essential Qualifications

• CommercialACS Gas Qualifications:
  • COCN1
  • ICPN1
  • TPCP1 / TPCP1A
  • CIGA1
  • BMP1 (Gas Boosters)
• Asbestos Awareness Certificate
• Full UK Driving Licence

Essential Experience

• Proven experience diagnosing and repairing faults on commercial gas appliances
• Strong commercial plant room knowledge
• Experience servicing and maintaining commercial heating systems
• Excellent communication and customer service skills
• Ability to work independently and as part of a team

Desirable Qualifications

• Energy Efficiency Qualification
• DAH1
• Unvented Hot Water
• WRAS (Water Supply Regulations)
• Working at Height Training
• Manual Handling Training
• First Aid Qualification

What You'll Need

• Strong fault-finding and problem-solving ability
• Good literacy and numeracy skills
• Excellent organisational and time management skills
• A proactive and professional approach
• Ability to prioritise workloads and meet deadlines
• Commitment to health, safety and compliance

Why Apply?

• Secure, long-term opportunity with a busy and established maintenance team
• Varied commercial and residential portfolio
• Independent working environment with strong operational support
• Opportunity to further develop commercial gas and plant room expertise
• Work across a range of sites throughout London
• Competitive salary and benefits package