Mechanical Supervisor / Site Manager

20 Days Old

Job Title: Mechanical Supervisor / Site Manager
Location: Southampton (Major Infrastructure Project)
Employer: Tier 1 Main Contractor
Salary & Benefits
Salary up to £67,000 (dependent on experience)
£6,000 Car Allowance
11.5% Employer Pension Contribution
25 Days Annual Leave + Bank Holidays
Private Healthcare & Flexible Benefits
Opportunity to work on a major UK infrastructure programme with long-term career progression
Role Overview
A leading Tier 1 contractor is seeking an experienced Mechanical Supervisor / Site Manager to support the delivery of mechanical works on a major infrastructure development in Southampton.
This is a site-based leadership role responsible for supervising mechanical installation activities, coordinating subcontractors, and ensuring works are delivered safely, efficiently, and to the highest quality standards.
Working closely with the Construction Manager and wider project team, you will play a key role in the day-to-day site management of mechanical works, ensuring installations are delivered in line with programme, design requirements, and health & safety standards.
Key Responsibilities
Site Supervision & Mechanical Delivery
* Supervise the installation of mechanical building services and plant on site.
* Manage and coordinate mechanical subcontractors and specialist contractors.
* Ensure works are delivered in accordance with drawings, specifications, and project programme.
* Monitor site activities to ensure quality standards and installation best practice are maintained.
* Coordinate mechanical works with civil, electrical, and commissioning teams to maintain programme progress.
Programme & Site Coordination
* Support short-term planning through lookahead schedules and daily work planning.
* Track subcontractor progress and ensure activities are aligned with the construction programme.
* Assist with site reporting, progress tracking, and coordination meetings.
* Identify and escalate programme risks or delivery challenges.
Health, Safety & Quality
* Ensure mechanical activities comply with CDM regulations and project health & safety standards.
* Review and implement RAMS and safe systems of work.
* Carry out site inspections and quality checks to ensure installations meet project requirements.
* Support testing, commissioning, snagging, and final project handover activities.
Team & Stakeholder Management
* Act as the primary site contact for mechanical subcontractors.
* Work closely with the Construction Manager and project delivery team to ensure smooth coordination of works.
* Attend and contribute to site coordination, progress, and technical meetings.
* Build strong working relationships with the project team and supply chain partners.
About You
Essential
* Proven experience as a Mechanical Supervisor, Mechanical Site Manager, or Mechanical Foreman.
* Strong background in mechanical building services or mechanical engineering installations.
* Experience supervising mechanical works on construction or infrastructure projects.
* Experience working within live construction site environments.
* SMSTS or SSSTS certification.
* Mechanical qualifications such as NVQ, HNC, HND, or equivalent experience.
Desirable
* Experience working on large-scale infrastructure, energy, or technically complex projects.
* Previous experience working with Tier 1 contractors or major project delivery teams.
* Knowledge of commissioning processes and project handover requirements.
* Strong understanding of site coordination across multi-disciplinary teams
Apply
Location:
Southampton, Hampshire
Salary:
£65,000 - £68,000 /annum £11.5 % Pension, Car allowance
Job Type:
FullTime
Category:
Construction

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