Construction & Skilled Trades

Estimator - Wastewater Treatment Plant Construction

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ZARRELLCO 1550 Dayton St, Aurora, CO 80010
Job typeOther PostedSep 6, 2026 Apply byOct 6, 2026

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About this position

Job Description

Job Description

WWTP Estimator
Location: Aurora, CO
Compensation: $80,000 to $130,000 base salary

A growing construction company in the Denver metro area is seeking a Wastewater Treatment Plant (WWTP) Estimator to support estimating and preconstruction efforts for water and wastewater infrastructure projects. This position will be based in Aurora and will play a key role in developing competitive and accurate estimates for complex civil and treatment plant construction projects.

The ideal candidate will have experience estimating water or wastewater treatment facilities and will be comfortable working with project managers, engineers, and subcontractors throughout the bidding process.

Responsibilities

• Prepare detailed cost estimates for wastewater treatment plant construction projects
• Review plans, specifications, and contract documents to develop accurate bids
• Solicit and analyze subcontractor and vendor pricing
• Perform quantity takeoffs and cost analysis for labor, materials, and equipment
• Coordinate with project managers and preconstruction teams during the bid process
• Maintain relationships with subcontractors, suppliers, and industry partners
• Assist with proposal preparation and bid submissions
• Support project teams during preconstruction and project handoff

Qualifications

• Over one year of experience estimating water or wastewater treatment plant construction projects 
• Background in civil construction, heavy civil, or water infrastructure projects
• Ability to perform detailed quantity takeoffs and cost analysis
• Strong understanding of construction plans, specifications, and estimating processes
• Strong organizational and communication skills
• Experience with estimating software and spreadsheets

Compensation and Benefits

• Base salary between $80,000 and $130,000 depending on experience
• Health insurance
• Dental insurance
• Vision insurance
• Additional benefits offered

If you are interested in learning more about this opportunity, please apply or send your resume to rob@zarrellco.com.

Location and commute

1550 Dayton St, Aurora, CO 80010.

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How to apply

Review the vacancy and complete the application on the employer or recruitment partner’s website. Requisition ID: WJ-3039291563.