TGS International Group
Mechanical Estimator

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Role: Mechanical Estimator - Major Projects
Location: Remote, UK
Employment Type: Permanent / Full Time
Salary: £65,000 - £80,000, depending on experience
We are working with an established M&E contractor delivering major construction projects across the UK, Ireland, and Europe.
Due to continued growth and a strong pipeline of large-scale projects, they are looking for an experienced Mechanical Estimator to join their pre-construction team on a remote basis.
This role will focus on the preparation and delivery of complex mechanical tenders, with particular emphasis on major projects valued at £20m+.
What you'll be doing
- Preparing detailed and competitive mechanical estimates for major construction projects
- Managing tenders from initial enquiry through to final submission
- Completing detailed take-offs and producing accurate labour, material, and subcontractor costings
- Reviewing drawings, specifications, and tender documentation to identify project requirements, risks, and opportunities
- Producing and maintaining tender programmes, clarifications, and commercial documentation
- Obtaining, reviewing, and levelling subcontractor and supplier quotations
- Identifying value engineering opportunities and alternative technical solutions
- Working closely with pre-construction, commercial, design, and operational teams throughout the tender process
- Reviewing historical project performance and installation data to improve future estimates
- Monitoring market pricing, material costs, and supply chain conditions
- Supporting tender adjudications and presenting estimates to senior management
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- Strong experience as a Mechanical Estimator within M&E or building services
- Demonstrable experience preparing and managing mechanical tenders valued at £20m+
- Experience working on large-scale, technically complex construction projects
- Strong understanding of mechanical building services, including HVAC, pipework, cooling, and associated systems
- Confident completing detailed take-offs and building estimates from drawings and specifications
- Good knowledge of subcontractor procurement, tender analysis, and commercial risk
- Strong understanding of value engineering and alternative product selection
- Excellent attention to detail and commercial awareness
- Comfortable working independently within a remote environment while collaborating with wider project and pre-construction teams
- Experience within data centres, mission-critical, pharmaceutical, industrial, or other major M&E projects would be highly advantageous.
- A relevant Mechanical Engineering or Building Services qualification would be beneficial, although substantial estimating experience will be the key consideration.
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