Engineering Site Supervisor

JLL; City Of London; On-site; GBP 55,000 - 70,000; Full time

Job summary

A leading global real estate services firm is seeking a Site Engineering Supervisor to oversee maintenance and compliance at a prestigious Central London location. The successful candidate will ensure the effective operation of maintenance activities and collaborate closely with management teams. A minimum of 3 years of experience in a commercial environment and relevant technical qualifications are essential. This role offers excellent career development opportunities.

Qualifications

• 3+ years' experience as a Low Voltage Authorised Person in commercial buildings.
• 2+ years' experience in maintenance of cooling towers and water treatment systems.
• Knowledge of Legionella control standards in commercial facilities.

Responsibilities

• Ensure compliance with health and safety policies on site.
• Support planning PPM activities and coordinate reactive tasks.
• Supervise additional works ensuring compliance.

Skills

Low Voltage Authorised Person

Cooling Towers Maintenance

Legionella Control Standards

Building Management Systems

Mechanical/HVAC Systems Knowledge

Commercial Property Experience

Education

City & Guilds Electrical Qualifications

Mechanical Engineering Qualifications

Job description

Site Engineering Supervisor

Core Hours: Monday - Friday 8:00am - 5:00pm

Reporting To: Technical Services Manager

Location: JLL Workplace Management - 78 St James's Street

JLL Workplace Management is currently recruiting for a Site Engineering Supervisor at our prestigious 78 St James's Street location. The successful candidate will be responsible for the day-to-day operation of planned preventative maintenance (PPM) and reactive maintenance activities, including statutory compliance for the property and reporting on any issues identified by client consultants or insurers through Riskwise or Vantify systems.

The Supervisor will collaborate closely with the Contract Delivery Manager, deputising in their absence, and will maintain strong working relationships with the General Manager and soft services teams to ensure seamless facility operations.

Main Duties & Responsibilities

• Ensure full compliance with JLL and client Health and Safety policies and procedures on site, escalating any conflicts outside Safe Systems of Work to the Contract Manager as required
• Support the Contract Administrator in planning PPM activities, including out-of-hours work scheduling, reactive task coordination, and ensuring effective completion of all maintenance work through direct reports or subcontractors, including RAMS and Permit to Work management
• Ensure servicing records are maintained and any recommendations from servicing activities are appropriately addressed and tracked
• Work within agreed quality management systems, implementing preventative and remedial actions as defined in the quality manual
• Provide technical expertise and support to the maintenance team
• Prepare quotations for additional works and client variations as required
• Supervise additional works on site ensuring full compliance with site requirements and Permit to Work processes
• Conduct regular site audits, identifying and resolving any non-compliance or operational issues
• Ensure best procurement practices using JLL's approved supplier network
• Comply with JLL's Health, Safety and Environmental procedures as detailed in site-specific plans
• Deputise for Contract Delivery Manager in KPI meetings and client interactions when required
• Attend monthly Work in Progress (WIP) meetings to develop understanding of contract financial management
• Complete any other reasonable requests or associated tasks as directed by the Contract Delivery Manager

Essential Experience & Qualifications

• Minimum 3 years' experience as a Low Voltage Authorised Person (LVAP), with hands‑on operational experience in commercial building environments
• Minimum 2 years' proven experience in maintenance, operation, or installation of cooling towers and associated water treatment systems
• Demonstrable knowledge of Legionella control (L8) standards with minimum 2 years' practical application experience in commercial facilities
• BMS proficiency with minimum 2 years' experience using Building Management Systems for monitoring and controlling building services
• Electrically qualified with strong mechanical/HVAC systems knowledge
• High‑profile commercial property experience essential
• Understanding of SFG20 maintenance standards and best practices
• Confined space awareness training and certification
• Relevant technical qualifications appropriate to the role requirements

Desirable Qualifications

• City & Guilds electrical qualifications (2391, 18th Edition)
• Mechanical engineering qualifications
• Water treatment/Legionella training certificates
• First Aid certification

This is an excellent opportunity to join JLL's market‑leading Workplace Management team at a prestigious Central London location, offering career development opportunities within a global real estate services firm