Mechanical Maintenance Engineer

OCS; Manchester; On-site; GBP 35,000 - 55,000; Full time

Job summary

OCS UK & Ireland is seeking an experienced Mechanical Engineer to maintain and repair mechanical building-services across a commercial environment. You will work with the Site Supervisor to ensure safety, compliance and operational performance, including out-of-hours on-call support.

The role requires hands-on experience with mechanical systems, a relevant qualification, and a flexible, customer-focused approach.

Qualifications

• Experience as Mechanical Engineer in commercial buildings.
• Qualified in mechanical/building services (City & Guilds/NVQ).
• Experience with planned and reactive maintenance.
• Familiar with pumps, HVAC, and water systems.

Responsibilities

• Carry out planned preventative maintenance and reactive repairs to mechanical systems.
• Inspect and service pumps, motors, valves, pipework, heating and ventilation equipment.
• Respond to faults and complete repairs or component replacements.
• Complete maintenance records and ensure safety and quality standards.
• Assist with risk assessments, method statements and permit-to-work procedures.
• Support on-call rota and respond to out-of-hours maintenance issues.

Skills

Mechanical maintenance

Fault finding

Health & safety

On-call readiness

Driving licence

Education

City & Guilds / NVQ Level 2 or 3

Mechanical building-services qualification

Tools

Building management systems

Job description

About The Role

We are looking for an experienced Mechanical Engineer to undertake planned and reactive maintenance across the contract.

You will maintain, inspect and repair a range of mechanical building-services systems, helping to ensure the premises remain safe, compliant and fully operational. Working closely with the Site Supervisor, you will complete all tasks safely, efficiently and within the required service-level agreements.

The position also requires participation in an on-call rota, responding to urgent out-of-hours faults and emergencies when required.

Key Responsibilities

• Complete planned preventative maintenance (PPM) and reactive mechanical repairs within agreed SLAs and KPIs.
• Maintain and repair mechanical building-services equipment, including pumps, motors, valves, pipework, heating systems and ventilation plant.
• Inspect equipment, diagnose faults and complete repairs or component replacements.
• Carry out plumbing repairs and general mechanical maintenance.
• Support the maintenance of air-handling units, fan-coil units and associated HVAC equipment.
• Monitor plant performance and identify defects, deterioration or potential failures.
• Participate in the on-call rota and respond to urgent out-of-hours maintenance issues.
• Attend emergency call-outs within the required response times.
• Diagnose faults and make systems safe or complete repairs during call-outs where possible.
• Escalate significant faults and arrange additional specialist support when required.
• Assist specialist contractors with servicing, repairs and statutory inspections.
• Support the Site Supervisor with the effective delivery of contracted maintenance services.
• Ensure all work is completed safely, on time and to the required quality standards.
• Complete maintenance records, job sheets and compliance documentation accurately and promptly.
• Prepare and follow risk assessments, method statements and permit-to-work procedures.
• Identify additional defects or risks and report them through the appropriate channels.
• Maintain a professional approach when dealing with customers, colleagues and contractors.

The successful candidate will have:

• Previous experience as a Mechanical Engineer, Mechanical Maintenance Engineer or Multi-Skilled Engineer within a commercial building-services environment.
• A recognised mechanical, plumbing or building-services qualification.
• Experience completing planned and reactive maintenance on mechanical systems.
• Practical knowledge of pumps, motors, valves, pipework, heating and ventilation systems.
• Strong fault-finding and problem-solving skills.
• A sound understanding of health and safety requirements within a maintenance environment.
• Experience working in accordance with risk assessments, method statements and permit-to-work procedures.
• The ability to organise workloads and complete tasks within agreed timescales.
• The availability and flexibility to participate in an on-call rota and attend out-of-hours call-outs.
• Good communication and customer-service skills.
• A full UK driving licence.

Desirable Qualifications and Experience

• City & Guilds, NVQ Level 2 or Level 3, or an equivalent mechanical qualification.
• Experience working with building management systems.
• First Aid training.
• CSCS card or an equivalent relevant skills card.

About The Company

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering.

Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.

Why Work for OCS?

Award-Winning Employer : Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.

Digital Learning : The OCS Academy offers digital courses and resources to help you build skills and grow your career.

Retail Perks With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.

Professional Growth : 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!

Flexible Pay : Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.