Estimator – Mining & Heavy Civil Operations
Location: Mesa, AZ
Employment Type: Full-Time
Industry: Mining / Heavy Civil / Earthworks / Industrial Construction
Company
Position Summary
We are seeking a detail-oriented and analytical Estimator to support mining and heavy civil operations through accurate project costing, bid preparation, and contract analysis. This role is responsible for developing competitive and profitable estimates for mining, earthwork, infrastructure, and heavy equipment projects while collaborating closely with Operations, Maintenance, and Project Management teams.
The ideal candidate has strong knowledge of heavy civil construction methods, mining operations, production equipment, and project costing, with the ability to thrive in a fast-paced operational environment.
Key Responsibilities
Estimating & Bid Preparation
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Prepare detailed cost estimates for mining, excavation, earthwork, haul road, site development, and heavy civil projects
- Analyze drawings, specifications, scopes of work, and bid documents to determine labor, equipment, material, subcontractor, and production costs
- Develop quantity takeoffs and pricing models to support accurate and competitive proposals
- Solicit and evaluate vendor and subcontractor pricing
Operational & Project Collaboration
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Partner with Operations, Maintenance, and Project Management teams to validate production assumptions, equipment utilization, and labor requirements
- Participate in pre-bid meetings, site visits, and project walkthroughs
- Assist with project handoff meetings to ensure seamless transition from estimating to operations
Cost Analysis & Reporting
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Track historical production rates, equipment costs, and project performance data to improve estimating accuracy
- Support budgeting, forecasting, and cost control initiatives
- Identify value engineering opportunities and cost-saving recommendations
Contract & Risk Review
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Review contracts, bid requirements, and project terms for operational and financial risk
- Assist with change order pricing, project revisions, and scope analysis
- Ensure estimates align with company safety standards, operational capabilities, and profitability targets
Safety & Compliance
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Promote and support compliance with applicable MSHA and Company safety standards
- Participate in site safety initiatives and planning activities as needed
Qualifications
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High School Diploma or GED required; Bachelor’s degree in Construction Management, Civil Engineering, or related field preferred
- 3+ years of estimating experience in mining, heavy civil, excavation, earthwork, or industrial construction environments preferred
- Strong understanding of heavy equipment operations, production rates, and construction methods
- Experience with estimating software, spreadsheets, and project management tools
- Proficiency in Microsoft Excel and cost analysis/reporting
Knowledge, Skills & Abilities
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Strong analytical, mathematical, and problem-solving skills
- Ability to read and interpret blueprints, plans, and technical specifications
- Excellent organizational and time management skills
- Strong communication and collaboration abilities across operational teams
- Ability to manage multiple bids and deadlines simultaneously
Work Environment
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Combination of office and field/site work
- Exposure to active mining and heavy equipment operations during site visits
- Occasional travel to project and mine locations may be required
Why Join Us
This role offers the opportunity to directly impact operational success and business growth by developing accurate, strategic estimates that support critical mining and heavy civil projects. You’ll work alongside experienced operational leaders in a dynamic, fast-paced environment where your expertise drives project success and profitability.
