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Junior Mechanical Estimator
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Job Description
Junior Mechanical Estimator (Thermal Insulation)
Location
Chelmsford, Essex, Essex; East of England; England, United Kingdom, CM3 3AW
Job Type
Permanent (Full-Time, Monday-Friday)
Salary
£30,000-£40,000 DOE + Benefits
About The Company
Our client is a well-established and growing thermal insulation contractor with over 25 years of industry experience, delivering high-quality insulation solutions across commercial, industrial, and energy sectors. Due to continued growth and a strong order book, they are looking to appoint an experienced Junior Mechanical Estimator.
The Role
We are seeking a Junior Mechanical Estimator with proven experience to manage projects from quantity take-off through to final quotation and tender submission.
Working closely with suppliers, subcontractors, and clients, you will prepare accurate, competitive tenders and play a key role in securing new business.
Key Responsibilities
- Review drawings, specifications, and tender documents.
- Complete detailed quantity take-offs for pipework, ductwork, vessels, and tanks.
- Prepare labour, material, and subcontractor cost estimates.
- Use mechanical estimating software to produce estimates and quotations.
- Obtain and assess supplier and subcontractor pricing.
- Prepare tender submissions and commercial cost breakdowns.
- Identify risks, opportunities, and value-engineering solutions.
- Attend site surveys and pre-tender meetings where required.
- Support negotiations and project handover following contract award.
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Requirements
- Proven experience as a Junior Mechanical Estimator preferably within the thermal insulation industry but not essential.
- Experience managing projects from take-off to final quotation.
- Experience with Ensign software or similar.
- Strong understanding of insulation systems, materials, and specifications.
- Ability to interpret technical drawings and project documentation.
- Excellent commercial, numerical, and communication skills.
- Strong Microsoft Excel skills.
What's on Offer?
- Competitive salary and benefits package.
- Opportunity to join a well-established business with over 25 years of success.
- Long-term career progression.
- Diverse and high-profile projects.
- Supportive team environment and ongoing development.
Company Overview
Based on the south coast of England, The On Site Group are a specialist recruitment consultancy supplying into the Construction, M & E, Industrial, and Data Centre sectors. We have successfully supplied throughout the UK and Europe from Helsinki to Amsterdam and Paris to Frankfurt.
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Job Overview
- Designation: Junior Mechanical Estimator
- Offered Salary: £30,000-£40,000 DOE + Benefits
- Post Date: August 9, 2026
- Country: United Kingdom
- Job Type: Permanent
Contact Information
On-Site Recruitment Limited
Chelmsford, Essex, Essex; East of England; England, United Kingdom, CM3 3AW
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