Mechanical Engineer

Location: Greater London

Purpose of the Job

• To deliver mechanical maintenance across a large, busy site, ensuring all plant and systems operate safely and efficiently.

• To carry out both reactive maintenance and Planned Preventative Maintenance (PPM), with a strong focus on plant room operations and compliance.

• To support site uptime while maintaining high standards of safety and workmanship.

Key Responsibilities

• Carry out reactive maintenance, forming the majority of day-to-day duties due to site size and activity levels.

• Complete PPMs and servicing across a wide range of mechanical systems.

• Perform in-depth plant room maintenance, ensuring systems operate efficiently and reliably.

• Maintain and service calorifiers, including temperature checks and compliance tasks.

• Carry out AHU cleaning and maintenance.

• Support legionella prevention tasks in line with site procedures.

• Carry out belt changes on motors and associated mechanical repairs.

• Service and maintain TMVs and pressurisation units.

• Accurately complete maintenance logs, reports, and compliance documentation.

• Work safely in line with health & safety regulations and site procedures.

• Support overtime requirements when required.

• Participate in ongoing training and development for career progression.

Personal Experience / Qualifications / Skills

• Strong mechanical background within commercial, industrial, or critical environments.

• Proven experience working on plant rooms and mechanical building services systems.

• Knowledge of legionella control and water hygiene practices.

• Ability to fault-find and work effectively in a reactive environment.

• Good communication skills and ability to work independently or as part of a team.

• Willingness to develop skills through training and progression opportunities.

Working Hours & Benefits

• Monday – Friday, 08:00 – 17:00

• Salary:
Up to £45,000 per annum

• 25 days annual leave + Bank Holidays

• Overtime available

• Training and progression opportunities

Accountabilities

• Accountable to the Engineering Manager / Site Supervisor.

• No direct line management responsibility.

• Responsible for safe, compliant operation of mechanical plant and systems