Bid Estimator (35614)

Estimator – Mining & Heavy Civil Operations                                    

📍Location: Mesa, AZ
🕒Employment Type: Full-Time
🏗Industry: Mining / Heavy Civil / Earthworks / Industrial Construction

Company

At Rango, moving material isn’t just what we do. It’s what we’re built for. With deep expertise and years of hands-on experience, we operate like our machines: productive, efficient, and powerful. Since 2012, Rango has grown into a leading mining services company across the Southwest. We partner with mining and construction companies in sectors from aggregates to precious metals and industrial minerals. Our culture is fast-paced, supportive, and team-oriented — and we’re just getting started. Join Rango and be part of a crew that keeps things moving.

Position Summary

We are seeking a detail-oriented and analyticalEstimator 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

• 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

• 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

• 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

• 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

• Promote and support compliance with applicable MSHA and Company safety standards
• Participate in site safety initiatives and planning activities as needed

Qualifications

• 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

• 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

• 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.