Mobile Maintenance Engineer – Electrical & Facilities

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

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