Mechanical Site Manager

Mechanical Site Manager
Epping | Data Centre | Permanent or Contract
£350-£400 per day
About the Project
This role sits at the heart of a major data centre development in Essex. Phase 2 of the project involves the installation and commissioning of high-voltage and low-voltage mechanical systems, critical power infrastructure, UPS systems, generators, and building services to support a mission-critical facility.
The successful candidate will join a well-established site team and take day-to-day responsibility for mechanical works delivery, ensuring all activities are completed safely, on programme, and to the highest quality standards.
Role Overview
The Mechanical Site Manager will be responsible for managing and overseeing all on-site mechanical installation activities for Phase 2 of the data centre build. You will coordinate directly with the main contractor, subcontractors, and the client’s technical team, acting as the primary point of contact for all mechanical-related matters on site.
Key Responsibilities
Site Management & Delivery
* Oversee and manage the day-to-day mechanical installation works on site including CHW/LTHW & HVAC distribution, containment, cabling, lighting, small power, earthing, and specialist data centre systems.
* Monitor and manage the programme for mechanical works, identifying delays early and implementing recovery plans.
* Coordinate with mechanical, civil, and structural trades to ensure efficient sequencing and no conflicts on site.
* Attend and chair site progress meetings, producing and distributing minutes as required.
* Manage the inspection and testing regime, ensuring all works are tested, certified, and documented in line with relevant mechanical standards.
Health, Safety & Environment
* Ensure all mechanical works are carried out in strict accordance with CDM 2015 regulations, site rules, and company H&S policies.
* Conduct and review Method Statements and Risk Assessments (RAMS) for all mechanical activities on site.
* Carry out regular site safety inspections and toolbox talks.
* Ensure all operatives hold appropriate and current qualifications (CSCS cards, IPAF, PASMA, etc.).
* Maintain a zero-harm culture and lead by example.
Quality & Compliance
* Maintain a robust quality management process, including snagging, sign-off, and as-built records.
* Ensure all materials and equipment comply with project specifications and relevant British Standards.
* Liaise with the client’s commissioning team and specialist vendors during the energisation and commissioning phases.
* Manage and issue permits to work (PTW) for mechanical isolations and commissioning activities.
Team & Subcontractor Management
* Directly manage mechanical working gangs, including subcontractors and agency labour.
* Coordinate labour requirements with the Project Manager and resource planner.
* Review and approve subcontractor attendance sheets and ensure correct deployment of labour.
* Induct all new operatives to site and ensure compliance with site rules and procedures