Job Description

Job Posting: Estimator

Salary Range: $70,000 - $130,000

Reports to: Chief Estimator

Location : Woodridge, IL

AMS Industries, Inc. is a leading mechanical contracting firm serving the commercial, industrial, refrigeration, and nuclear industries (PMT). With over 60 years of experience, AMS has grown from a small refrigeration contractor into a multi-discipline, multi-market MEP contractor with more than 1,000 employees. We are committed to delivering exceptional service to our clients, investing in the development of our people, and strengthening the communities we serve.

Located at our Woodridge, IL facility and reporting to the Chief Estimator, Project Estimator is responsible for analyzing construction documents, performing detailed quantity take-offs, and preparing accurate cost estimates for mechanical, piping, plumbing, and HVAC systems. This role works closely with project managers, subcontractors, and vendors to ensure competitive, complete, and well-scoped estimates.

Responsibilities:

• Analyze drawings, specifications, and contract documents to prepare accurate project estimates.
• Perform detailed quantity take-offs for piping, plumbing, HVAC, and mechanical systems.
• Assemble complete and well-organized estimates in a timely manner.
• Issue clear and well-written RFIs to clarify scope, conflicts, or missing information.
• Prepare, coordinate, and evaluate subcontractor and vendor bid packages.
• Review subcontractor and supplier quotations for scope compliance and accuracy.
• Maintain strong working relationships with subcontractors, vendors, and internal teams.
• Compile material and labor costing data for the company’s historical cost database.
• Develop detailed cost breakdowns to support project managers during pre-construction budgeting.
• Participate in pre-bid walkthroughs as required.
• Collaborate with other estimators on multi-trade proposals.
• Ensure all estimates align with contract requirements, drawings, and project scope.

Qualifications:

• 5–10+ years of experience estimating commercial or industrial construction projects.
• Experience with mechanical, plumbing, piping, and/or HVAC estimating.
• Proficiency with computerized estimating software (QuickPen AutoBid preferred).
• Strong working knowledge of Microsoft Office (Excel, Word, Project).
• Ability to read and interpret:
• Construction drawings
• Piping plans
• Isometric drawings
• Detail and specification documents
• Strong analytical, mathematical, and organizational skills.
• Excellent written and verbal communication skills.
• High attention to detail with strong follow-through.
• College degree preferred or equivalent industry experience.
• Combination of field and office experience strongly preferred.

What we offer:

• Health Insurance and ESOP (Employee owned) package.
• Health Reimbursement Arrangement (HRA) with Medical PPO
• FSA and Dependent Care
• 401K Matching
• Paid Maternity & Paternity Leave
• Generous PTO roll-over policy
• Social events and outings throughout the year

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