Mechanical Supervisor

Location: Cardiff

Company: International Engineering & Construction Contractor

Sector: Construction / M&E

Salary: £50,000 - £75,000 + Package (DOE)

We are working with a leading international engineering and construction contractor turning over £500 million per annum, delivering complex mechanical and piping installations across major projects.

Due to continued project growth in Cardiff, they are seeking an experienced Mechanical Supervisor to lead piping installation works on site, ensuring delivery meets programme, quality and safety expectations.

This is a hands‑on supervisory role requiring strong technical knowledge and the ability to manage site teams effectively within a structured project environment.

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• Lead and oversee piping installation crews including pipe fitters, welders and specialist subcontractors.
  
• Ensure all works are installed in accordance with approved drawings, isometrics and technical specifications.
  
• Plan and allocate labour, plant and materials to maintain programme targets.
  
• Monitor welding activities and ensure compliance with quality control procedures.
  
• Inspect pipework routing, alignment, supports and installation tolerances.
  
• Coordinate pressure testing, flushing and commissioning preparation activities.
  
• Track daily productivity and adjust manpower allocation as required.
  
• Enforce permit‑to‑work systems and site safety standards.
  
• Deliver daily briefings and liaise closely with QA/QC and project teams.
  
• Attend coordination meetings with the main contractor and internal management.
  
• Identify delays, variations and potential risks, escalating to senior management where necessary.
  
• Ensure high standards of housekeeping and safe material storage.
  
• Confirm plant, lifting equipment and access systems are certified and compliant.
  
• Maintain strong site discipline, timekeeping and productivity standards.
  

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• Mechanical Engineering qualification or recognised trade background.
  
• Minimum 5 years’ experience supervising piping installations on construction projects.
  
• Strong knowledge of pipe fabrication, welding processes and erection methods.
  
• Ability to read and interpret technical drawings and isometric layouts.
  
• Experience working within structured permit‑to‑work and safety systems.
  
• Proven ability to manage site teams and coordinate multiple work fronts.
  
• Solid understanding of quality assurance and testing procedures.
  
• Strong communication and organisational skills.
  

£50,000 - £75,000 basic salary (DOE)

• 
  
• Company benefits package.
  
• Opportunity to work on flagship projects.
  
• Long‑term career prospects within a £500m turnover international contractor.
  

This is a strong opportunity for an experienced Mechanical Supervisor seeking a long‑term position with a major engineering business delivering high‑value projects in Cardiff.

If you would like to discuss the role in more detail, please get in touch.