Junior Mechanical Estimator
On-Site Recruitment Limited
Chelmsford · posted 6 August 2026
Salary
£40,000 a year
Job type
full time
Location
Chelmsford, Essex
Category
Construction and Property
Junior Mechanical Estimator (Thermal Insulation) Location: Chelmsford Job Type: Full-Time, Permanent (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, industrialand energy sectors.
Read all the information about this opportunity carefully, then use the application button below to send your CV and application.
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, specificationsand 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.
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, numericaland 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.
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. xwzovoh
We have successfully supplied throughout the UK and Europe from Helsinki to Amsterdam and Paris to Frankfurt.
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Read all the information about this opportunity carefully, then use the application button below to send your CV and application.
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, specificationsand 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.
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, numericaland 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.
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. xwzovoh
We have successfully supplied throughout the UK and Europe from Helsinki to Amsterdam and Paris to Frankfurt.