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Construction Estimator

Company:
PurelyWorks
Location:
Seattle, WA
Posted:
March 02, 2026
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Posted By Premium Recruiter

Description:

Job Title

Construction Estimator / Cost Estimator (Public Infrastructure)

Role Summary

The Construction Estimator is responsible for preparing, reviewing, and validating construction cost estimates for public-sector transportation, rail, and infrastructure projects. The role supports planning, design, procurement, and construction phases, ensuring estimates align with agency standards, contract requirements, and project controls systems.

Key Responsibilities

Prepare conceptual, preliminary, engineer’s, and independent cost estimates

Develop quantity take-offs and cost breakdowns for civil, structural, track, systems, and utility work

Support cost estimating during planning, PE, PS&E, and construction

Review contractor bids, change proposals, and cost claims

Assist with change order pricing analysis and negotiation support

Coordinate with project managers, schedulers, and discipline leads

Apply historical cost data and market analysis to validate estimates

Support agency budgeting, funding validation, and cost reporting

Participate in value engineering and risk-based cost analysis

Maintain estimate documentation in accordance with public-agency requirements

Support audits and cost reviews as required

Required Qualifications

Bachelor’s degree in Engineering, Construction Management, or related field

7+ years of construction estimating or cost control experience

Experience with public-sector infrastructure projects

Familiarity with rail, transit, highway, or heavy civil construction

Strong analytical and documentation skills

Preferred Qualifications

Experience working with transit agencies (e.g., Sound Transit, LA Metro, BART, VTA)

Knowledge of alternative delivery methods (DBB, DB, CMAR)

Experience supporting PM/CM or on-call contracts

Key Skills & Tools

Cost estimating software and spreadsheets

Quantity take-offs and cost modeling

Change order and claims support

Coordination with scheduling and project controls teams

Clear written and verbal communication for agency reporting

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