Commercial Gas Engineer

4i Mechanical Services; City Of London; Hybrid; GBP 45,000 - 55,000; Full time

Job summary

A mechanical services provider is seeking a skilled and experienced Commercial Gas Engineer to perform installations, maintenance, and repairs of commercial gas systems. The role requires at least 5 years of experience and understanding of gas safety legislation. This is a hands-on position with responsibilities including emergency callouts and safety checks, appealing to those who thrive in a field-based environment. Competitive salary and benefits provided.

Benefits

Company vehicle

Paid holidays

Pension scheme

Qualifications

• Minimum 5 years experience working with commercial gas systems.
• Strong understanding of gas safety legislation.
• Full UK driving license required.

Responsibilities

• Install, service, and maintain commercial gas systems.
• Diagnose and repair faults in gas appliances.
• Complete accurate service reports and compliance certificates.

Skills

Commercial Gas Certifications

Strong communication skills

Problem-solving skills

Attention to detail

Job description

Overview

Role: Commercial Gas Engineer

Location: Our head office is based in Suffolk IP30 9UP. We have a number of current and upcoming projects in London; recruiting in and around the SE1 2PR area.

Salary: £45,000–£55,000 per annum + Excellent Benefits

Contract: Full Time, Permanent

Benefits: Competitive salary, Company vehicle, fuel card, tools, and uniform provided, Paid holidays, pension scheme, and health benefits, Opportunities for training and career development, Overtime and on-call premiums, Work Environment, Field-based role with travel to client sites, Work may involve indoor and outdoor environments, Occasional out-of-hours or weekend work may be required, Full PPE provided and must be worn as required.

About Us

At 4i Mechanical Services, we don t just deliver mechanical solutions we build lasting partnerships through reliability, innovation, and expertise.

With decades of experience in HVAC design and installation, plumbing systems, mechanical maintenance and repairs, industrial mechanical services, and custom solutions, our reputation is built on quality workmanship and a genuine commitment to customer satisfaction.

We re looking for a skilled and experienced Commercial Gas Engineer to join our growing team.

You ll be responsible for the installation, maintenance, inspection, and repair of commercial gas systems and appliances across a range of environments from offices and schools to hospitals, retail units, and industrial facilities.

This is a hands-on role that requires strong technical knowledge, a focus on safety and compliance, and the ability to work both independently and as part of a team.

Responsibilities

• Installing, servicing, and maintaining commercial gas systems including boilers, burners, and heating systems.
• Diagnosing and repairing faults in gas appliances and associated equipment.
• Carrying out routine safety checks, inspections, and testing in line with gas safety standards.
• Ensuring all work complies with current regulations and company procedures.
• Completing accurate service reports, job sheets, and compliance certificates.
• Responding to emergency callouts and breakdowns efficiently and professionally.
• Collaborating with site managers, contractors, and other trades as required.
• Maintaining company tools, equipment, and vehicle to a high standard.
• Participating in ongoing training and development opportunities.

Requirements

• Valid Commercial Gas Certifications.
• At least 5 years experience working with commercial gas systems.
• Strong understanding of gas safety legislation, heating systems, and pipework.
• Full UK driving licence.
• Excellent communication and customer service skills.
• Ability to interpret technical drawings and schematics.
• Confidence working across different environments, including at heights or in confined spaces.
• Strong problem-solving skills and attention to detail.

Nice to have

• CCN1, CENWAT, CPA1, HWB1, CCP1, CIGA1, COCN1, CODNCO1, TPCP1A, ICPN1.
• Experience in healthcare, education, or industrial sectors.
• CSCS card or equivalent site safety certification.
• Knowledge of BMS (Building Management Systems) and controls.
• IOSH/NEBOSH Health & Safety qualification.

If you feel you have the necessary skills and experience to be successful in this role click on APPLY today!

No agencies please.