Maintenance Engineer – Electrical

OCS; Oxford; On-site; GBP 28,000 - 42,000; Full time

Benefits offered by this job

Award recognition

OCS Academy training

Employee discounts via Wagestream

Professional growth opportunities

Job summary

OCS UK & Ireland is seeking a site-based maintenance engineer to deliver PPM and reactive maintenance across client buildings. You will inspect, diagnose faults and repair electrical systems, ensuring safety and compliance while delivering high service levels.

Role requires electrical qualifications and experience with building services, BMS, and CAFM systems, with a proactive, customer-focused approach to problem solving.

Qualifications

• Recognised Electrical Apprenticeship in electrical installation, maintenance, or building services engineering.
• NVQ Level 3 in Electrical Installation or Maintenance (or equivalent).
• City & Guilds Level 3 Electrical Qualification (2365, 2330, or equivalent).
• 18th Edition IET Wiring Regulations (BS 7671) certification.
• C&G 2391 Inspection and Testing (desirable).
• Proven experience maintaining electrical systems within critical laboratory environments.

Responsibilities

• Monitor and manage the operation and performance of critical building services systems.
• Undertake planned preventative maintenance (PPM) and reactive repairs on electrical systems.
• Diagnose and rectify plant faults promptly to maintain operational continuity.
• Maintain accurate maintenance records and CAFM/helpdesk updates on site.
• Ensure statutory compliance records, health & safety documents, and QA records are current.
• Supervise, escort, and monitor specialist subcontractors on site.
• Operate within Permit to Work and follow QHSE procedures.
• Support quality inspections and continuous improvement activities.
• Monitor building conditions via the BMS and optimise performance and occupant comfort.
• Develop strong client relationships and maintain a professional image.

Skills

Electrical apprenticeship

NVQ Level 3

18th Edition IET BS7671

C&G 2391 (desirable)

Experience in critical labs

Maintenance of electrical systems

Education

NVQ Level 3 in Electrical Installation or Maintenance

City & Guilds Level 3 Electrical Qualification

Job description

About The Role

Working hours 08:00am-16:30pm

Role Overview

To operate as part of a site-based team of maintenance engineers, delivering planned preventative maintenance (PPM) and reactive maintenance activities across a portfolio of client buildings. The role includes the inspection, maintenance, fault diagnosis, and repair of building services systems, ensuring all assets operate safely, efficiently, and in compliance with statutory and contractual requirements while maintaining high standards of customer service and operational performance.

Key Tasks & Responsibilities

• Monitor and manage the operation and performance of critical building services systems
• Undertake planned preventative maintenance (PPM) and reactive repairs on electrical systems
• Diagnose and rectify plant faults promptly to maintain operational continuity
• Maintain accurate maintenance records and update the client's CAFM/helpdesk system using mobile technology
• Ensure statutory compliance records, health & safety documentation, and quality assurance records are kept current and accurate
• Supervise, escort, and monitor specialist subcontractors working on site
• Operate safely within the Permit to Work system and comply with all QHSE procedures
• Support quality inspections, housekeeping standards, and continuous improvement activities
• Monitor building environmental conditions via the BMS and optimise building performance and occupant comfort
• Develop strong client relationships, maintain a professional image, and promote a safe and healthy working environment

Qualifications, Skills & Experience

• Recognised Electrical Apprenticeship in electrical installation, maintenance, or building services engineering
• NVQ Level 3 in Electrical Installation or Maintenance (or equivalent)
• City & Guilds Level 3 Electrical Qualification (2365, 2330, or equivalent)
• 18th Edition IET Wiring Regulations (BS 7671) certification
• C&G 2391 Inspection and Testing (desirable)
• Proven experience maintaining electrical systems within critical laboratory environments

About You

An appropriate electrical engineering qualification, supported by demonstrable experience in the maintenance and operation of building services within critical and laboratory environments, is essential for this role.

Knowledge of the facilities management sector is desirable, with a thorough understanding of building services engineering and the maintenance of mechanical and electrical systems, is considered essential

Technical expertise, covering electrical distribution systems (LV), Lighting & emergency lighting, power distribution & final circuits and Building Management Systems (BMS).

Demonstrable experience in the maintenance, operation, and fault diagnosis of heating and ventilation systems, together with a strong understanding of BMS control systems used to manage building performance.

Knowledge of key operational procedures e.g. planned maintenance systems (CAFM) / QHSE.

Experience of managing and resolving customer concerns within a contract-based environment, with a proactive and customer-focused approach to problem solving and service improvement

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.

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