Reactive Maintenance & Diagnostics Engineer £45,000 – £60,000 PAYE | Company Van | No Rushed Installs Aren Heating & Plumbing is looking for an experienced Heating Engineer / Plumber to join our London-based team. This is a maintenance-focused role in occupied residential properties. We are not a volume installation company — jobs are scheduled properly and carried out to a high standard. We are looking for someone with strong diagnostic ability who can assess systems logically and resolve faults without guesswork. Minimum Experience Requirement (Important) Minimum 5 years’ experience in domestic plumbing & heating maintenance Strong diagnostic experience in occupied properties Verifiable references If you do not meet this requirement, please do not apply. The Role Working independently across London, carrying out reactive and planned maintenance in homes and tenanted properties. Typical work includes: Plumbing fault finding (taps, toilets, showers, leaks) Pipework alterations and remedial works Drainage and waste blockages Boiler servicing, diagnostics and repairs Pumps, valves, cylinders and heating controls System pressure, flow and water quality issues Underfloor heating diagnostics Light installation work may be required, but this is primarily a maintenance and fault-finding role. What We’re Looking For Strong logical diagnostic ability Clean, tidy workmanship in occupied homes Confident communication with customers and agents Clear and accurate job reporting Reliable, organised and able to work independently Long-term mindset This role suits an experienced engineer who wants to move away from rushed installations and focus on proper maintenance work. Requirements NVQ Level 2 or 3 in Plumbing / Heating ACS domestic gas qualifications Minimum 5 years’ maintenance experience Full UK driving licence Own hand tools Willing to undergo DBS check What We Offer £45,000 – £60,000 salary (depending on experience) Company van (fuel included for work use) 20 days holiday + public holidays Company pension Mobile phone provided Steady, consistent workload Realistic job scheduling Structured systems and organised workflow Long-term, maintenance-focused client base About Aren Heating & Plumbing We are a London-based company specialising in reactive and planned maintenance in occupied residential properties. We work with homeowners, landlords and managing agents and are known for clear communication, accurate diagnosis, and high standards of workmanship. Our focus is long-term reliability and doing jobs properly — not high-volume installs. This Role Is Not for You If You rely on trial-and-error instead of proper diagnosis You rush jobs or cut corners Your experience is mainly installations You are looking for short-term work