Skip to Main Content

Job Title


Commercial Gas Engineer


Company : Mainstay Industrial


Location : London, London


Created : 2026-04-04


Job Type : Full Time


Job Description

Commercial Gas / Mechanical EngineerScroll down to find the complete details of the job offer, including experience required and associated duties and tasks.Location: London & Surrounding Counties Contract: 2-Month Contract Rate: 2835 per hour (DOE) Start: ImmediateContract Opportunity Experienced Commercial Gas Engineer Required We are seeking an experienced Commercial Gas / Mechanical Engineer for a 2-month contract covering London and surrounding counties.This role requires a highly competent engineer with strong commercial gas qualifications and mechanical/plumbing experience. You will be working across commercial environments carrying out servicing, maintenance and associated mechanical works.This is a contractor role you must provide your own vehicle and tools.Mandatory RequirementsMinimum 5 years experience within the gas industryCommercial Gas Qualifications (Essential):COCN1 (or suitable changeover)CIGA1CORT1CPA1DAH1ICPN1HTR1TCP1Plumbing Qualifications (Essential):City & Guilds Level 3WRAS / Water RegulationsUnvented Hot Water (G3)Preferred (Desirable but Not Essential)Industrial gas or oil experienceGas booster or compressor servicing / installationRenewable technologies (Solar / ASHP)BOAS (Category 2 or 5)UKATA Asbestos AwarenessPASMAIPAFProfessional membership (CEA, IGEM, CPHE)Engineering Council registration (EngTech / IEng / CEng)The RoleCarrying out servicing, maintenance and fault finding on commercial gas systemsSupporting mechanical and plumbing works as requiredWorking across multiple sites in London and surrounding countiesEnsuring compliance with gas safety and industry regulationsMaintaining high standards xjdpvnf of workmanship and safetyWhat Were Looking ForStrong fault-finding abilitySelf-sufficient and reliableComfortable working independentlyWell presented and professionalAvailable for full 2-month durationPackage2835 per hour depending on experience40+ hours per weekImmediate start availableOpportunity for extension depending on workloadIf you are a fully qualified Commercial Gas Engineer with the required tickets and availability for a short-term London contract, apply now with your CV and certification list.