809 Best site reliability engineer Jobs in United Kingdom (October 2026)

WE’RE HIRING – COMMERCIAL HVAC & GAS ENGINEER WE WILL BEAT YOUR CURRENT PACKAGE Happy Heat is growing, and we’re looking for an experienced Commercial HVAC & Gas Engineer to join our team. We’re a family-run heating, air conditioning and ventilation company based in Bushey, Hertfordshire, delivering high-quality work across Hertfordshire, Bedfordshire, Buckinghamshire and North/North-West London. NO CENTRAL LONDON WORK NO SOCIAL HOUSING OVERTIME COMPLETELY OPTIONAL THE WORK Quality is at the heart of what we do. We install high-quality equipment and expect the same standard from our workmanship. There’s no social housing or high-volume contract work. Our domestic work is for private, high-end customers, alongside a growing portfolio of quality commercial properties including schools, healthcare facilities, offices, churches and other commercial buildings. You’ll be working on: • Commercial boiler installations, servicing & repairs, • High-end commercial plant room installations, • Commercial heating systems & controls, • Commercial HVAC installations, servicing & repairs, • Air conditioning installations, servicing & repairs, • Single & multi-split AC systems, • Ventilation systems, • High-end private domestic heating & AC installations, • Fault finding & diagnostics, • Commissioning, • Planned maintenance & remedial works We want engineers who enjoy doing a job properly. Clean installations, quality equipment, good materials and attention to detail are important to us. WHAT WE’RE LOOKING FOR • Commercial Gas Safe qualifications, • F-Gas Category 1 qualification, • Strong commercial heating & HVAC experience, • Air conditioning installation, servicing & repair experience, • Excellent standard of workmanship, • Pride in producing clean, professional installations, • Strong fault-finding ability, • Full UK driving licence, • Professional and reliable approach with customers THE PACKAGE • Top rates of pay for the right engineer, • We will beat your current package for the right engineer, • Full-time PAYE employment, • Brand-new company van, • Heated seats & heated steering wheel, • Wireless Apple CarPlay & air conditioning, • Fuel card, • Company pension, • Paid holiday, • Discounts on over 25,000 products, including clothing, cars, holidays and more through our employee benefits portal, • Job and knock, • Materials delivered to site, • No Central London work, • No social housing, • Overtime completely optional, • Ongoing manufacturer & technical training, • Clear career progression, • Long-term opportunity within a growing company CAREER PROGRESSION – A CLEAR ROUTE OFF THE TOOLS This isn’t a role where you have to stay on the tools forever. As Happy Heat continues to grow, we want our engineers to grow with us. For the right person, there will be a genuine progression route from senior engineering into surveying, technical management and ultimately an Operations Manager position. Engineer → Senior Engineer → Surveying / Technical Role → Operations Manager We’ll support your progression with ongoing technical, manufacturer and management training as your role develops. OVERTIME & EARNING POTENTIAL Overtime is completely optional, but there is plenty available for engineers who want it. If you want to put the hours in, there is significant additional earning potential. If you don’t want overtime, that’s absolutely fine too. ABOUT HAPPY HEAT Happy Heat is an established family-run heating, air conditioning and ventilation company with a rapidly growing commercial division. We’re Gas Safe registered, REFCOM registered, SafeContractor approved and Worcester Accredited Installers. We’re not interested in rushing engineers from job to job or competing at the cheapest end of the market. We focus on quality equipment, quality customers and high standards of workmanship. We want our engineers to have the time, materials and support they need to do the job properly. We’re looking for someone who wants more than their next engineering job. If you want to earn more, be valued for the work you do and join a growing company with a genuine route into a senior off-the-tools position, we’d love to hear from you.

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We need a skilled and reliable Air Conditioning Engineer to cover properties across London. You will handle routine upkeep, emergency breakdowns, and system installations on split, multi-split, and VRF/VRV systems.[1, 2] Key Responsibilities • Maintenance: Carry out planned preventative maintenance (PPM) and servicing to manufacturer standards., • Repairs: Diagnose faults and complete reactive breakdown callouts across London sites., • Installation: Install and commission new AC units, heat pumps, and associated refrigerant plants., • Reporting: Complete clear service reports, digital logbooks, and maintenance documentation., • Compliance: Ensure all work follows strict health, safety, and F-Gas regulations. [1, 2, 3] Essential Requirements • Manufacturers: Strong working knowledge of major brands like Daikin, Mitsubishi Electric, Panasonic, and Toshiba., • Certifications: F-Gas Category 1 Certification and an NVQ Level 2/3 in Air Conditioning and Refrigeration (or equivalent City & Guilds)., • Licence: Full UK driving licence (for mobile roles). [1, 2]

Mobile Handyman / Maintenance Operative Company: Landmark Facilities Management Location: Ealing, West London (Mobile Role) Job Type: Full Time, Permanent Salary: £28,000 to £33,000 per annum, depending on experience Working Days: Monday to Friday Anticipated Start Date: 2027 About Us Landmark Facilities Management is a family run business based in West London, providing planned preventative maintenance, reactive repairs, building compliance and refurbishment services across London, Buckinghamshire and the surrounding areas. We're currently going through an exciting period of transformation and growth, investing in our team, improving our systems and building long term relationships with our clients. We're looking for a reliable, hardworking and skilled Handyman to join our growing maintenance team. About the Role We are looking for a Mobile Handyman / Maintenance Operative to carry out a wide range of general building maintenance and repair works across our clients' properties. The role will involve both planned preventative maintenance (PPM) and reactive maintenance, attending commercial and residential properties to complete repairs, identify defects and ensure buildings are maintained to a high standard. You'll work closely with our operations team and other engineers, while also being trusted to manage your own workload and complete jobs independently. We're looking for someone who takes pride in their workmanship, communicates well with clients and enjoys the variety of working across different properties. Key Responsibilities General Maintenance & Repairs • Carry out general handyman and building maintenance works across commercial and residential properties., • Undertake basic carpentry, including repairs to doors, locks, hinges, handles, skirting boards and fixtures., • Carry out minor plumbing repairs, including taps, wastes, toilets and small leaks within your competence., • Complete painting, decorating, filling, sealing and making good., • Install and repair shelving, fixtures, fittings and general building furniture., • Carry out minor tiling, grouting and silicone replacement., • Investigate and resolve general building defects and maintenance issues., • Identify works requiring specialist trades and report these to the operations team. Planned Preventative Maintenance (PPM) • Attend scheduled maintenance visits across client properties., • Carry out general building inspections and routine maintenance tasks., • Inspect doors, fixtures, fittings and general building fabric for defects., • Undertake minor preventative maintenance to reduce the likelihood of future failures., • Identify defects and provide clear recommendations for remedial works., • Assist other engineers with planned maintenance activities where required. Reactive Maintenance • Attend reactive maintenance requests allocated by our helpdesk., • Diagnose and resolve general maintenance issues efficiently., • Complete repairs during the first visit wherever reasonably possible., • Communicate clearly with clients and building occupants regarding the works being undertaken., • Report additional defects or works outside the original scope., • Ensure work areas are left clean, safe and presentable. Job Reporting & Administration • Complete detailed job sheets through our Joblogic maintenance management system., • Upload before and after photographs of completed works., • Record materials used and any additional works required., • Provide accurate information to support quotations and follow up works., • Maintain company tools and equipment in good working condition., • Follow company health and safety procedures at all times. What We're Looking For • Previous experience in general building maintenance, property repairs or a similar role., • Good practical knowledge of basic carpentry, plumbing, decorating and general repairs., • Ability to work independently and use initiative., • Full UK driving licence., • Good communication skills and a professional manner when dealing with clients., • Strong attention to detail and pride in completing work properly., • Good time management and organisational skills., • Comfortable using a smartphone to receive jobs, upload photographs and complete reports., • Willingness to travel between different sites across London and surrounding areas., • A proactive attitude and willingness to learn new skills. Desirable but Not Essential • Previous experience working within facilities management., • Experience using Joblogic or another CAFM system., • A recognised qualification in a building maintenance trade., • Experience working in occupied commercial or residential properties., • Basic knowledge of planned preventative maintenance procedures. What We Offer • Competitive salary based on experience., • Full time, permanent employment., • A varied role working across different properties and maintenance disciplines., • Training and opportunities to develop additional technical skills., • Support from an experienced engineering and operations team., • A friendly, family run working environment., • Opportunities for career development as the business continues to grow. Start Date We are currently planning the next stage of our business growth and restructuring, with this position anticipated to commence in 2027. We appreciate this may not suit applicants looking for an immediate start, but we want to be transparent about our recruitment plans from the outset. How to Apply Please submit your CV along with a brief introduction outlining your previous maintenance experience and the types of work you are confident carrying out. We're looking for someone who wants to become a valued member of our team and grow with Landmark Facilities Management.

Petts Wood, Orpington

Your Responsibilities Set out foundations, groundworks, RC structures, slabs, steelwork, and external works. Establish and maintain grid lines, benchmarks, datums, and control points. Operate Total Station, GPS/GNSS, and surveying equipment. Carry out accurate line, level, alignment, and tolerance checks. Read and interpret construction drawings, specifications, and technical information. Complete dimensional checks and monitor construction accuracy. Produce as-built surveys, quality records, and site documentation. Identify discrepancies between drawings and site conditions and communicate them to the relevant teams. Work closely with subcontractors and site management to coordinate engineering activities. Support the delivery of works in accordance with programme, quality, and safety requirements. Maintain accurate engineering and surveying records throughout the project. What we are looking for Previous experience as a Setting-Out Engineer, Site Engineer, or Surveying Engineer. Strong practical setting-out and surveying experience. Experience with groundworks, foundations and reinforced concrete. Confident use of Total Station equipment. Experience with GPS/GNSS is advantageous. Strong ability to read and understand engineering and construction drawings. Good understanding of levels, coordinates, datums, tolerances, and construction control. Experience with as-built surveys and QA documentation. Excellent attention to detail. Strong communication and site coordination skills. Relevant engineering, surveying, or construction qualifications are desirable. Residential, commercial, civil engineering, or general construction experience is welcome. Willingness to commute or relocate, if necessary Has the right to work in the UK

Junior Administrator (PPM & Reactive Maintenance) Company: Landmark Facilities Management Location: Ealing, West London Job Type: Full Time, Permanent Salary: £25,000 to £28,000 per annum, depending on experience Working Days: Monday to Friday, office based initially with option to hybrid. About Us Landmark Facilities Management is a family run business based in West London, providing planned preventative maintenance, reactive repairs, building compliance and refurbishment services across London, Buckinghamshire and the surrounding areas. We're a growing business looking for an organised, motivated and reliable individual to join our operations team. About the Role We are looking for a Junior Administrator to support the daily coordination of both our Planned Preventative Maintenance (PPM) and Reactive Maintenance departments. This is a varied role involving scheduling engineers, managing maintenance requests, communicating with clients and contractors, and ensuring jobs are properly tracked from initial instruction through to completion. You'll work closely with our Operations Manager and wider team, receiving training and support while developing your skills within the facilities management industry. Previous experience in facilities management is not essential. We're looking for someone who is organised, enthusiastic and willing to learn. Key Responsibilities Planned Preventative Maintenance (PPM) • Assist with planning and scheduling routine maintenance visits., • Coordinate engineers and subcontractors, ensuring appointments and site access are arranged., • Monitor upcoming, outstanding and overdue maintenance tasks., • Maintain accurate maintenance schedules and records., • Chase engineers and contractors for completed job sheets, reports and certification., • Update clients on maintenance schedules and progress. Reactive Maintenance • Receive and log maintenance requests from clients., • Raise and allocate jobs to engineers and subcontractors., • Coordinate attendance, appointments and access arrangements., • Monitor outstanding jobs and follow up to ensure timely completion., • Keep clients updated on job progress and any delays., • Assist with obtaining quotations and raising purchase orders., • Ensure completed job sheets, photographs and supporting documentation are received and recorded. General Administration • Maintain accurate records within our Joblogic facilities management system., • Respond to telephone calls and emails professionally., • Assist with preparing maintenance reports and client updates., • Support the operations team with general administration and coordination., • Help improve existing processes and maintain organised records. What We're Looking For • Excellent organisational and time management skills., • Confident communication skills, both written and verbal., • Good working knowledge of Microsoft Outlook, Excel and Word., • Ability to manage multiple tasks and changing priorities., • Strong attention to detail and a proactive approach to problem solving., • A positive attitude and willingness to learn., • Ability to work independently and as part of a team. Desirable but not essential: • Previous experience in an administrative or office based role., • Experience in facilities management, property maintenance or a similar industry., • Experience using Joblogic or another CAFM system., • Experience coordinating engineers, contractors or maintenance schedules. What We Offer • Competitive salary based on experience., • Full time, permanent employment., • Training and support from an experienced operations team., • Opportunity to develop your knowledge of facilities management and building maintenance., • A friendly, family run working environment., • Opportunity to grow with the business as we expand. How to Apply Please submit your CV along with a brief introduction outlining your experience and why you're interested in joining Landmark Facilities Management. We welcome applications from individuals at the beginning of their careers as well as those with previous administrative experience.

Job Title: Facilities & Operations Manager (Flexible Part-Time) Location: 6 Fitzroy Square, London W1T Salary: £12,000 per annum (Equivalent to 600 hours pa @ £20.00/hour. (12.5 hours per week average) About the Role: The Georgian Group, a heritage charity founded in 1937 to protect and promote Georgian buildings, is looking for a dependable, highly organized, and proactive individual to take operational ownership of our Grade I listed headquarters at 6 Fitzroy Square. This role requires flexibility to balance a highly predictable, gentle core weekly schedule with a flexible pool of hours to support our occasional evening events, room hire and architect-led projects, including oversight of maintenance work. It is an ideal position for an experienced former Facilities/Estates Manager, a retired Office Manager, or an operational professional seeking a high-autonomy, trusted "portfolio" role in the heritage sector. • Core Schedule (6-9 hours/week): Ideally you will be on-site across 2-3 mornings a week (e.g., Tuesday to Thursday, 9:30am–12.30pm) to manage daily operations, open the building when necessary, and oversee incoming contractors., • Flexible Pool : Remaining hours to be deployed flexibly, scheduled in advance to support evening lectures, weekend event setups, or critical structural surveys. Key Expectations: • Building Custodianship: Act as the keyholder and primary contact for our office tenants, visiting service engineers, and inspecting architect., • Operational Control: Maintain office efficiency by monitoring supplies, managing utility check-ins, and resolving day-to-day facilities issues. Management of building maintenance activities and Health & Safety and fire regulation procedures., • Event Support: Coordinate physical logistics and room setup for our historic meetings, exhibitions, and venue hire events. The Ideal Candidate: We are seeking a calm, level-headed approach to office operations and supplier management. Whether you spent your career keeping corporate executives organized or running facilities for a small business, you pride yourself on attention to detail, reliability, and creating a smoothly running environment. 1. Purpose of the Role To maintain the functional excellence, hospitality readiness, and regulatory safety compliance of 6 Fitzroy Square. The postholder acts as the key operational hub of the building—handling relationships with contractors, protecting the physical asset, managing workspace logistics, compliance with building maintenance requirements, and stepping in as an administrative visual presence for tenants and event guests. 2. Hours of Work & Time-Tracking Framework The contract is based on 600 total working hours per year, allocated via a dual-layer structure to preserve organizational agility: • Layer A: Fixed Core Hours (288-432 Hours per Annum) A baseline of 6-8 hours per week dedicated to routine operations. The default operational pattern is Tuesday, Wednesday, and Thursday from 09:30 to 12:30. Exact details to be agreed on acceptance of the role. • Layer B: Banked Flexible Hours The remaining hours to be drawn down by mutual agreement in advance. This pool is specifically reserved for out-of-hours event assistance, structural project oversight, and responding to building emergencies. Both management and the employee will track this pool via a running monthly log to ensure total hours do not exceed 600 without additional overtime authorization. 3. Core Duties & Accountabilities Facilities Management & Building Stewardship • Serve as an official building keyholder; managing opening procedures, securing internal rooms, and overseeing key distribution protocols for authorized visitors., • Act as the primary point of communication for third-party office tenants housed within the building, recording and actioning building maintenance reports., • Liaise directly with the Group’s inspecting architect, surveyors, and specialty historic building contractors to coordinate routine services (gas safety, fire alarm tests, lift maintenance, water hygiene). Maintenance of Health & Safety and fire regulation procedures. Office Operations & Procurement • Monitor inventory and manage the procurement of office consumables, kitchen amenities, and facilities cleaning supplies within pre-approved budget boundaries., • Ensure communal areas, meeting rooms, and office desks remain clean, organized, and physically safe for staff and the public., • Oversee on-site waste management arrangements and coordinate periodic recycling collections. Event Logistics & Meeting Support • Lead the physical layout adjustment (moving tables, configuring seating, testing basic AV inputs) for board meetings, public lectures, and corporate venue hire bookings., • Coordinate on-site building access for event caterers, equipment delivery staff, and external venue clients. 4. Person Specification (Skills, Experience, & Attributes) • Experience: Demonstrated background in office management, executive administration, high-level hospitality operations, or small-scale facilities oversight., • Competencies: Strong interpersonal diplomacy; comfortable dealing firmly but politely with external maintenance contractors and institutional tenants., • Physical Capability: Capability to safely execute light manual handling tasks, including setup and breakdown of chairs and folding tables for event configurations., • Reliability: Absolute dependability regarding timekeeping, building security integrity, and holding physical keys to a historic property.

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KD Jones Heating Engineers Ltd

Immediate start opportunity for a self-employed/subcontractor plumber, offering up to £240 per day, depending on experience, across domestic building sites in South London and Surrey. You will install and maintain first- and second-fix plumbing systems, including hot and cold water pipework, drainage, and service pipework. Responsibilities include: • Installing and routing pipework using hand tools, power tools, and mechanical knowledge., • Reading and interpreting blueprints, technical drawings, and site specifications., • Installing pipes, fittings, and materials in accordance with site safety procedures., • Maintaining accurate records of completed work, materials used, and inspection requirements., • Supporting the installation of MVHR and ASHP systems; experience in these areas is preferred. Requirements: • NVQ Level 2 or Level 3 in Plumbing and Heating, or an equivalent qualification., • Valid CSCS card for site access; a Blue Skilled Worker or Gold Advanced Craft card is preferred., • Proven experience in domestic first- and second-fix plumbing., • Own professional tools and reliable transport for travel between sites., • Good knowledge of plumbing systems, including water supplies, drainage, and leak testing., • Ability to read technical drawings, take accurate measurements, and calculate pipe runs., • Ability to carry out physical work and lift materials safely in a building-site environment.

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Be Cool Refrigeration & Air-conditioning

Refrigeration Engineer

Date posted: 26 September 2026 Pay: Up to £55,000.00 per year Job Description: Senior Refrigeration Engineer Location: London and neighbouring counties (field-based) Job Type: Full-time, permanent Salary: Up to £55,000 per year (door-to-door), depending on experience About Be Cool Refrigeration Be Cool Refrigeration is a growing, family-run commercial refrigeration and air conditioning company based in London. We work with a wide range of commercial clients, and we're looking for an experienced refrigeration engineer to join our team. The Role We're recruiting an experienced commercial refrigeration engineer/technician to service, maintain, and repair a range of commercial refrigeration systems across London and the surrounding counties. Requirements • Full UK driving licence (essential), • Strong knowledge of commercial refrigeration systems, including: cold rooms, display units, counters, ice machines, blast chillers, and similar equipment, • Ability to diagnose and resolve faults independently on-site., • High First Fix rate, • Professional, reliable, and comfortable working directly with commercial clients What We Offer • Company van, fuel card, and equipment provided, • Starting salary up to £55,000 door-to-door per year, depending on experience, • Overtime paid at 1.5x rate, plus bonus pay, • 31 days holiday total (standard holiday allowance plus 3 days over Christmas), • Training and development opportunities, • Skilled Worker visa sponsorship available for the right candidate Job Types: Full-time, Permanent Benefits: • Company car, • UK visa sponsorship Application question(s): • Have you worked directly with commercial equipment (e.g. restaurants, hotels, retail)? Experience: • Ice Machine Repair: 3 years (preferred), • refrigeration: 5 years (required) Licence/Certification: • Full Clean Driving License (required) Location: • West London, Greater London (preferred) Work Location: In person

CCTV, Intercoms and Access control engineer for large residential sites in London in the Chelsea, Nine Elms, Battersea, Fulham, Wandsworth areas. Maintenance & Service, with small installation works. Applicant Needs: • * Good experience in this industry minimum 6 years – ideally more., • * Needs to be very good with CCTV systems and the protocols of CCTV., • * English speaking, • * London based., • * ECS or CSCS card, • * CRB checked, • * Driver – clean license., • * No criminal convictions We offer: • * Working hours 7am – 3pm, • * Monday – Friday., • * On call (only rarely)., • * Overtime when necessary (rare), • * Pay Negotiable dependent on experience., • * Use of pool vans for own use – home to home., • * Company pension. We will require 3 industry relevant references. Note: We are a very well known small company in our field – we have an outstanding reputation and are relied on for honesty, reliability and very good workmanship. We are looking for a team member who will be able to compliment and add to this.

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Perfect Touch Performance

Experienced Vehicle Technician Wanted for Immediate Start We’re looking for an experienced Technician to join our friendly and growing team in Waltham Abbey. We look after all cars but primarily specialise in the care, maintenance and performance of high-end and performance vehicles, carrying out everything from routine servicing and general maintenance through to complex engine rebuilds and performance work. We’re looking for someone with solid practical experience and a passion for cars. You should be confident carrying out jobs such as: • Cambelt and timing belt changes, • Clutch replacement, • Wheel alignment, • Servicing and general maintenance, • Fault finding and diagnostics, • Mechanical repairs and more The right person will also have the opportunity to develop new skills and gain experience working on some genuinely interesting and exciting vehicles. We’re a friendly, hands-on workshop where no two days are the same, and we take pride in doing things properly. If you’re an experienced technician looking for a fun, friendly and rewarding place to work, we’d like to hear from you. Based in Waltham Abbey, just 5 minutes from the M25/J26. Job Types: Permanent, Full-time Benefits: • Company pension, • Employee discount, • On-site parking Ability to commute/relocate: • London E4 7RG: reliably commute or plan to relocate before starting work (preferred) Experience: • vehicle technician: 2 years (required) Language: • English (required) Licence/Certification: • Driving Licence (required) Work Location: In person

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