294 Best reliability engineer Jobs in United Kingdom (August 2025)

F-Gas Certified Engineer (Subcontractor)

£2000–£6000 monthly

About Us: We are a growing air conditioning installation and service business serving residential and commercial clients across London. We pride ourselves on delivering high-quality installs and excellent customer service. As we expand, we are seeking experienced F-Gas certified engineers to join us on a subcontractor basis. Role Overview: You will be responsible for the installation, servicing, and maintenance of air conditioning systems (primarily split and multi-split units). You will represent the company at customer sites, ensuring all work is carried out to the highest standards and in full compliance with health & safety regulations. Responsibilities: Installation of new AC systems (primarily split and multi-split) at domestic and commercial sites Fault-finding, diagnosis, and repair of AC units Routine servicing and maintenance Ensuring all works comply with F-Gas regulations Completing job reports and documentation Providing excellent customer service and upholding company reputation Liaising with office team for job scheduling and updates Adhering to all relevant health & safety guidelines on-site Requirements: Valid F-Gas certification (Category 1 preferred) Proven experience installing and servicing AC systems Own tools and transport (van preferred) Public liability insurance UTR number (for subcontractor payment) Strong communication and problem-solving skills Professional, reliable, and customer-focused What We Offer: Competitive per-installation rates (£200–£600 per install, depending on job size) Regular pipeline of work (especially during peak season) Flexible schedule—accept jobs that fit your availability Prompt payment Support from our office team

Liftout are currently looking for Escalator Installation & decommissioning engineers to be able to install & decommission escalators across London & nationwide.As a Qualified Escalator Engineer you will required to: Install & decommission escalators, service and repair, as part of a highly skilled/qualified team. Be able to install & build escalators to manufacturers standard, from arrival of the escalator to fully commissioned and in service. Be able to service and repair escalators. Work alongside a qualified escalator tester, thus gaining even further experience within escalator installations. Work to all our current Health & Safety guidelines & adhere to our company policies. Be able to communicate in a professional manner with clients & colleagues. Required Experience: Previous experience within the escalator industry (installation, service, repair & modernisation). Minimum EOR204 NVQ Level 3 qualification (or equivalent) Hard working, Reliable, Loyal & Flexible. Be willing to work away & night work (occasional). Salary & Benefits:* Basic salary and travelling time. Monthly bonus. Christmas bonus. Weekend bonus available when a full weekend or 2 weekend days within the month have been worked. Overtime, night rate and away allowances to increase your earnings. 20 days holiday + Bank holidays. (5 years service, extra 5 days holiday). Additional courses ranging from Slinger / Signaller to Lift Supervisor to gaining an NVQ within the use of a Forklift.

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Flowheat

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Apprentice / Plumbers mate

Our heating and plumbing company has built a reputation for delivering top-quality service with a personal touch. We are a team of highly skilled and dedicated heating engineers who tackle everything from routine maintenance to complex under floor heating installations with professionalism and expertise. We're now looking to hire a reliable and enthusiastic Plumber's Mate/ Apprentice. Opportunity is for someone eager to learn the trade from experienced professionals, gain hands-on experience on diverse projects across the city. We're looking for an apprentice/ mate who is not afraid of hard work, has a can-do attitude, and is keen to develop a long-term career in the industry.

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coral communications ltd

We are seeking a skilled and reliable Maintenance Engineer to join our team working on Transport for London (TfL) buses Key Requirements: Must be living in Croydon or near Croydon should have full UK driving license Paid training will be provided

Drainage Engineer – Full-Time We are currently seeking skilled and experienced Drainage Engineers to join our growing team, working across London and the surrounding counties. This is a full-time, field-based role ideal for candidates with a strong background in clearing blockages, high-pressure water jetting, and general drainage maintenance. If you have practical experience in the industry and are confident working independently, we’d love to hear from you. Key Responsibilities: Carry out drainage maintenance and unblocking works using high-pressure water jetting. Install and repair patch lining systems. Conduct diagnostic and tracing tasks within residential and commercial properties. Perform minor excavation works where necessary. Respond to emergency call-outs and be available for weekend standby as required (rotational basis). Maintain clear communication with the office and customers. What We’re Looking For: Proven experience in the drainage industry. Confident in using water jetting equipment and working in confined spaces. Knowledge of patch lining and pipe relining techniques. Familiar with basic excavation practices. Possession of a valid CSCS card (or willingness to obtain it). Full UK manual driving licence with no more than 3 penalty points. Organised, proactive, and reliable with a strong work ethic. Excellent communication and customer service skills. What We Offer: Competitive salary: £35,000–£38,000 per year, depending on experience. Fully equipped company van, uniform, and mobile phone. Continuous training and upskilling opportunities. Company pension scheme. Supportive team environment. Work Schedule: Monday to Friday (10-hour shifts) Opportunity for overtime Weekend and emergency call-out rota (to be discussed) Location: Primarily road-based across London and nearby counties. Occasional visits to our Borehamwood, Edgware office will be required for team meetings or equipment pickup. Requirements: Minimum 2 year of plumbing or drainage experience (essential) Driving Licence (required) CSCS & City & Guilds certifications (preferred but not mandatory)

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ARROW SERVICE CENTRE LIMITED

We are professional and agile. Our work environment includes: Modern office setting Work on High End vehicles Modern Work Job Title: Mechanic Duties: • Perform routine maintenance and repairs on vehicles and equipment, • Diagnose mechanical issues and provide appropriate solutions, • Conduct inspections and tests to identify faulty components, • Repair or replace defective parts, such as engines, transmissions, brakes, and suspension systems, • Perform tune-ups and oil changes, • Maintain accurate records of all repairs and maintenance performed, • Collaborate with other mechanics and team members to ensure efficient workflow, • Experience:, • Proven experience as a mechanic or similar role, • Strong knowledge of automotive systems and components, • Proficient in using diagnostic tools and equipment, • Ability to read and interpret technical manuals and diagrams, • Excellent problem-solving skills, • Detail-oriented with a strong focus on quality workmanship, • Ability to work independently and as part of a team, • Benefits:, • Competitive salary based on experience, • Health insurance coverage, • Retirement savings plan, • Paid time off and holidays, • Requirements:, • High school diploma or equivalent, • Valid driver's license, • Certification from a recognized automotive training program is preferred but not required, • If you are a skilled mechanic with a passion for fixing vehicles and ensuring their optimal performance, we want to hear from you! Apply now to join our team of dedicated professionals., • Job Types: Full-time, Permanent, • Pay £2600 per month, • Additional pay:, • Bonus scheme, • Performance bonus, • Tips, • Yearly bonus, • Benefits:, • Store discount, • Transport links, • Schedule:, • 8 hour shift, • Every weekend, • Ability to commute/relocate:, • Ilford: reliably commute or plan to relocate before starting work (required), • Experience:, • Mechanic: 2 years (preferred), • Licence/Certification:, • Driving Licence (preferred), • Work Location: In person

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6 Bullbanks Road

Plumber and Heating & Ventilation Installer

About Us SANDHU A1 CONSTRUCTION LTD is an established and ambitious construction company based in Belvedere, England. With a strong commitment to quality workmanship and client satisfaction, we are laying the foundation for a solid presence in the UK's construction sector. As we expand, we are seeking a reliable and organised Office Manager to take charge of our administrative operations and help us grow efficiently. About the Role: We are seeking a qualified and experienced Plumber and Heating & Ventilation Installer to join our growing team. The successful candidate will be responsible for the installation, maintenance, and repair of plumbing and heating systems across a range of commercial and domestic properties. This role plays a key part in delivering essential services for both new-build and renovation projects under long-term client contracts. Key Responsibilities: • Install and maintain plumbing, heating, and ventilation systems, • Conduct fault-finding and repair work on boilers, pipework, and radiators, • Work to technical drawings and specifications, • Ensure all work complies with relevant safety and building regulations, • Liaise with site managers and clients where required, • Minimum NVQ Level 2 (or equivalent international qualification) in Plumbing/Mechanical Engineering, • Proven experience in plumbing and HVAC installation, • Gas Safe certification (preferred but not essential), • Strong understanding of UK building regulations, • Valid UK driving licence (or willing to obtain one), • Ability to work independently and as part of a team, • Good communication and problem-solving skills

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PA/Sales Bookings Admin

Sales & Office Administrator – Automotive Remapping Company 📍 Near Willesden Junction | Full-Time | 8:00 AM – 6:00 PM (1-hour lunch between 12–2 PM) We’re a small, fast-growing vehicle remapping company offering services like performance tuning. Based near Willesden Junction, we operate with a mobile team and need a reliable, confident Sales & Office Administrator to run the day-to-day operations from our office. Your main focus will be handling customer enquiries, closing appointments over the phone or messages, and booking jobs into the diary. You’ll also take care of invoicing, follow-ups, and general admin tasks while supporting our team of five (two office - 3 mobile). This is a full-time, office-based role where you’ll be the engine keeping everything running smoothly. Key Responsibilities: Responding to enquiries and converting leads into confirmed bookings Managing the team diary and scheduling mobile jobs Creating and sending invoices, tracking payments General admin, filing, stock updates Coordinating with mobile technicians and assisting the director Requirements: Strong communication and organisational skills Experience in admin or sales support roles Confident using email, calendars, and invoicing software Ability to multitask in a fast-paced environment If you’re proactive, friendly, and ready to make an impact, we’d love to hear from you!

We are looking for a skilled Auto Mechanic to maintain and repair vehicles. You will be responsible for troubleshooting issues and fixing them aiming to maximum reliability and functionality. An excellent auto mechanic has good eye-hand coordination and manual dexterity. You should be well-versed in complex mechanical or electronical systems of vehicles and have excellent problem-solving abilities. Also Perform basic care and maintenance, including changing oil, checking fluid levels, and rotating tyres. Repair or replace worn parts, such as brake pads, wheel bearings, and sensors. Perform repairs to manufacturer and customer specifications. Responsibilities Inspect vehicle engine and mechanical/electrical components to diagnose issues accurately Inspect vehicle computer and electronic systems to repair, maintain and upgrade Conduct routine maintenance work (replacing fluids, lubricating parts etc.) aiming to vehicle functionality and longevity Repair or replace broken or dysfunctional parts and fix issues (e.g. leaks) Provide accurate estimates (time, effort) for a repair or maintenance job Keep logs on work and issues Maintain equipment and tools in good condition Inspections of vehicles that require an MoT test to be carried out. Requirements and skills Proven experience as auto mechanic Knowledge of what will fail a MoT test when inspecting a vehicle Excellent knowledge of mechanical components. Knowledge of Electrical and electronic components of vehicles an advantage. Working knowledge of vehicle diagnostic systems and methods Ability to handle various tools and equipment Willingness to observe all safety precautions for protections against accidents, dangerous fluids, chemicals etc. Good health condition. UK Drivers licence – a licence check will need be completed prior to employment. Any medical issues will need to be disclosed, immaterial of whether they affect the candidate’s ability to do the necessary work. This information will be kept confidential.

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