Multi Skilled Engineer

OCS; Greater London, Slough; On-site; GBP 28,000 - 42,000; Full time

Job summary

OCS UK & Ireland is seeking a mobile engineer to support the Siemens portfolio across London, Slough and the South region. The role covers electrical maintenance and basic mechanical tasks across multiple sites, with a strong emphasis on safety, compliance, and customer-focused service.

You will work Monday to Friday with on-call cover on a rota, occasional weekends and evenings. A valid electrical qualification and full UK driving licence are essential, along with experience in commercial

Qualifications

• Electrical qualification (City & Guilds, NVQ, or equivalent).
• Proven building maintenance experience in commercial environments.
• Full UK driving licence and right to work in the UK.

Responsibilities

• Carry out planned and reactive electrical maintenance across multiple sites.
• Diagnose faults and complete timely repairs.
• Undertake basic mechanical and fabric maintenance as needed.
• Support statutory compliance activities and contractor supervision.
• Maintain accurate maintenance records and reports.
• Respond to reactive call-outs and emergencies.
• Represent OCS professionally with clients and site teams.
• Ensure work complies with HSE and industry standards.

Skills

Electrical maintenance

Fault finding

Customer service

Communication skills

Driving license

Right to work in UK

General maintenance

Education

Electrical qualification (City & Guilds, NVQ, or equivalent)

Job description

About The Role

We are seeking a highly motivated and customer-focused Mobile Engineer to support the Siemens portfolio across London, Slough, and the wider South region. The successful candidate will be electrically biased ideally, with the ability to undertake a range of general building maintenance tasks and minor repairs across multiple sites.

Working within professional corporate environments, the engineer will be responsible for delivering a safe, compliant, and high-quality maintenance service while building positive relationships with clients and site stakeholders.

Days of Working

Monday to Friday with additional on call cover, covering weekends and evenings on a rota with optional overtime

Key Responsibilities

• Carry out planned and reactive electrical maintenance across the Siemens estate.
• Diagnose faults and complete repairs in a timely and professional manner.
• Undertake basic mechanical and fabric maintenance works where required.
• Support statutory compliance activities and assist with contractor supervision.
• Complete maintenance records, reports, and documentation accurately.
• Respond to reactive call-outs and emergency situations.
• Act as a professional and customer-focused representative of OCS when engaging with site teams and client stakeholders.
• Ensure all work is carried out in accordance with company policies, health and safety regulations, and industry best practice.

Essential Hiring Criteria

• Applicant must have the right to work in the UK
• Electrical qualification (City & Guilds, NVQ, or equivalent).
• Proven experience in building maintenance within commercial environments.
• Ability to undertake a broad range of basic maintenance tasks beyond electrical works.
• Strong fault-finding and problem-solving skills.
• Excellent communication and customer service skills.
• Full UK driving licence.

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)

Equal Opportunities

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.