Mechanical Site Supervisor

We’re working with a well-established and growing M&E contractor with a strong pipeline of secured work across South Wales. Due to continued expansion, they are seeking a Mechanical Supervisor to oversee site delivery across projects in the Cardiff region.

This is a key site-based role, responsible for coordinating mechanical installation works, ensuring projects are delivered safely, on programme, and to the highest quality standards.

The Role

As an Mechanical Supervisor, you will be responsible for:

* Supervising mechanical works on site from installation through to commissioning

* Coordinating subcontractors and direct labour across multiple trades

* Ensuring works are delivered in line with programme requirements

* Maintaining high health & safety standards across site

* Carrying out toolbox talks and site inductions

* Monitoring quality of installation and ensuring compliance with specifications

* Working closely with the Project Manager and Contracts Manager

* Attending site meetings and reporting on progress

* Assisting with commissioning, snagging, and handover processes

* Identifying and resolving technical and coordination issues on site

Projects may span commercial, education, healthcare, residential, or industrial sectors.

Requirements

* Proven experience supervising M&E installations on construction projects

* Strong technical knowledge across mechanical services

* SSSTS or SMSTS (preferred)

* Relevant trade background (mechanical or electrical)

* Strong understanding of health & safety regulations

* Ability to manage subcontractors and maintain programme

* Good communication and organisational skills

* Full UK driving licence

This role offers long-term regional continuity across Cardiff and the surrounding areas, with clear progression opportunities into Project Management or Contracts Management for the right candidate.

If you are an experienced M&E Supervisor looking for your next opportunity within a stable and growing contractor, we’d welcome a confidential discussion.

Experience:

* Mechanical Supervision : 1 year (required)