Mechanical Site Manager

City, Cardiff
TLG Infrastructure Limited
Mechanical Site Manager – South Wales

280 – 320 per day (Outside IR35) Long-Term Contract

We are currently seeking an experienced Mechanical Site Manager to join a growing team delivering high-quality commercial projects across South Wales.

This is an excellent opportunity for a driven professional looking for long-term contract work across a diverse portfolio of projects ranging from 2 million to 12 million in mechanical value.

Key Responsibilities

• Manage and oversee all mechanical works on site from installation through to commissioning and handover
• Coordinate subcontractors and site teams to ensure works are delivered safely, on programme, and to specification
• Ensure full compliance with health & safety procedures and site standards
• Monitor project progress, identify risks, and provide updates to Project and Contracts Managers
• Conduct site inspections, manage QA processes, and oversee snagging and close-out activities
• Attend and lead site meetings with clients, consultants, subcontractors, and internal teams
• Review and manage RAMS, permits, and site documentation
• Maintain high standards of workmanship and drive programme delivery across all mechanical packages

Requirements

• Proven experience as a Mechanical Site Manager within commercial fit-out or building services projects
• Strong technical understanding of HVAC, pipework, plant rooms, and mechanical building services installations
• SMSTS or SSSTS certification
• Strong leadership, organisational, and communication skills
• Experience managing fast-paced projects and coordinating multiple subcontractors
• Ability to read and interpret technical drawings and project programmes

What’s on Offer

• 280- 320 per day (Outside IR35)
• Long-term contract opportunity with a strong pipeline of upcoming work
• Exposure to high-profile commercial projects across South Wales
• Supportive project teams and established delivery structure

If you’re an experienced Mechanical Site Manager looking for your next long-term opportunity in South Wales, we’d like to hear from you.

Apply now or get in touch for more information.