MECHANICAL ESTIMATOR

Mechanical Estimator – Tier One Contractor
Hybrid – London & Essex Offices
Full-Time | Minimum 3 Days In-Office
Competitive Salary + Package

A leading Tier One main contractor is currently seeking a Mechanical Estimator with strong commercial project experience to join their established Pre-Construction team. This is a fantastic opportunity to work on high-value mechanical packages across major commercial developments in London and the South East.

With offices in both London and Essex, the role offers hybrid working, requiring a minimum of 3 days per week in the office.

The Role

The successful candidate will be responsible for preparing competitive and accurate cost estimates for mechanical services across a variety of large-scale commercial projects, typically valued between £1m and £50m. Working closely with design, commercial, and delivery teams, they will contribute to securing new work through high-quality tenders and bids.

Key Responsibilities

• Produce detailed mechanical cost estimates based on drawings, specifications, and scope documents

• Liaise with suppliers and subcontractors to gather accurate pricing

• Attend internal and external tender review meetings

• Identify value engineering opportunities and manage associated risks

• Support the handover process to project delivery teams

Candidate Requirements

• Minimum of 5 years\’ experience in mechanical estimating for commercial projects

• Experience with Tier One contractors or reputable M&E firms

• Strong understanding of mechanical systems including HVAC, public health, and plant

• Proficient with estimating software such as Trimble, Amtech, or similar

• Commercially astute with excellent attention to detail and strong organisational skills

The Offer

• Competitive salary and benefits package

• Hybrid working – split between London and Essex offices with flexibility

• Opportunity to work on flagship commercial projects with a major UK contractor

• Long-term career prospects and progression within a high-performing team

This is an exciting opportunity for an experienced Mechanical Estimator to join a well-established, forward-thinking contractor with a strong reputation in the commercial sector.

For more information or a confidential conversation, please contact Harry Severn at ARC –

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