Heavy Civil EstimatorMissoula, MT

Building with Purpose. Delivering with Expertise.

Prospect Construction is a leading heavy civil contractor specializing in complex water and wastewater treatment facilities and large-scale civil infrastructure projects throughout the Northwest and Mountain West.

Founded in 1998 in Puyallup, Washington, Prospect has grown into one of the region’s premier treatment plant and civil infrastructure builders, with offices in Washington, Montana, and Wyoming. Our success is driven by disciplined execution, technical expertise, and a team united by our core values:
Passion, Courage, Team, and Stewardship.

Why do we exist? Prospect Construction seeks to glorify God by providing opportunities for our employees to utilize their unique gifts through construction to benefit and serve our families, stakeholders, and community.

What do we do? We construct unique, complex, and challenging projects for our clients throughout the West.

Prospect Construction is seeking an experienced Heavy Civil Estimator to join our Montana team. This position is responsible for preparing accurate and competitive estimates for complex heavy civil infrastructure projects including earthwork, utilities, excavation, and treatment facilities.

The ideal candidate is detail‑oriented, organized, and experienced in civil estimating, subcontractor coordination, and project strategy development.

• Prepare detailed project cost estimates and bid proposals
• Review plans, specifications, and contract documents
• Develop self‑perform and subcontractor pricing
• Coordinate with subcontractors, suppliers, and internal teams
• Visit project sites and attend pre‑bid meetings
• Identify constructability issues and value engineering opportunities
• Develop bid schedules and proposal timelines
• Analyze project risks and develop competitive bid strategies
• Assist with proposal development and technical writing
• Support final bid reviews and estimate closeout

• Minimum 5 years of heavy civil estimating experience
• Experience with earthwork, grading, utilities, and excavation projects
• Strong understanding of construction plans and specifications
• Proficiency with estimating software such as HCSS, Timberline, and Trimble
• Strong analytical, organizational, and communication skills
• Ability to manage multiple deadlines independently

• BS degree in Civil Engineering or Construction Management
• Experience estimating water/wastewater or complex civil infrastructure projects

• Employer‑paid medical coverage
• Profit sharing & retirement program
• Paid time off (PTO)
• Paid sick time
• 7 paid holidays annually
• Opportunities for growth and advancement

Prospect Construction, Inc. is an Equal Opportunity Employer committed to providing equal employment opportunities to all employees and applicants without regard to protected status under applicable law.

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