Job Title: Mobile Commercial Gas Engineer Location: Central & Greater London (within the M25) Job Type: Permanent Hours: 8:00am – 5:00pm Salary: £48,000 – £55,000 Overtime: Time and a half or double time + £150 standby allowance Call-Out Rota: 1 in 7 weeks Reporting to: Operations Manager
Overview
Valoris Group is looking for a skilled Mobile Building Services Engineer with a strong commercial gas bias to join a well-established building services provider. This is a key role within the service delivery and operations team, responsible for maintaining, fault-finding, and improving mechanical and gas systems across multiple commercial sites throughout London and the Home Counties.
This mobile position requires flexibility and a proactive approach, including occasional work outside standard hours to support essential services.
Role Responsibilities
Lead gas and mechanical maintenance, fault diagnosis, and compliance across commercial sites
Carry out planned preventative maintenance (PPM) and reactive works on boilers, plant rooms, and associated equipment
Attend multiple sites as directed to meet operational requirements
Respond promptly and safely to breakdowns and emergency callouts
Maintain accurate documentation, including service reports and gas safety records
Provide clear on-site technical updates and recommendations
Follow and promote all health and safety and gas compliance standards
Continue developing technical skills and knowledge of new technologies
Key Tasks
Planned, reactive, and statutory maintenance on commercial boilers, heating systems, pumps, valves, and plant equipment
Fault finding, isolation, and repair of gas and mechanical systems
Testing, purging, and commissioning in line with Gas Safe regulations
Support installation works, upgrades, and plant refurbishments
Complete service and safety certification accurately and on time
Provide basic multi-skilled support across electrical, HVAC, and plumbing systems where required
Attend and resolve gas or mechanical emergencies across sites
Benefits
Competitive salary based on qualifications and experience
Overtime at enhanced rates plus standby allowance
25 days annual leave plus 8 bank holidays
Salary protection through sickness and accident cover