Senior Mechanical Estimator - Mining

The role

The Senior Mechanical Estimator develops cost estimates for multi-discipline construction and industrial services projects for mining and heavy industrial clients. This role involves preparing quantity takeoffs, analyzing RFPs, and building bid packages across various service lines.

What you will do

• Prepare detailed quantity takeoffs and cost estimates for multiple service lines
• Analyze RFPs, RFIs, drawings, specifications, and scopes of work
• Develop labor hour estimates using historical production rates and databases
• Solicit, evaluate, and level subcontractor and vendor quotes
• Build and maintain HeavyBid estimate templates and unit cost databases
• Compile complete bid packages including cost narratives and commercial terms
• Coordinate with Operations, Project Executives, and Safety to validate assumptions
• Partner with the Scheduling Department to deliver estimate-driven inputs
• Attend site walks, pre-bid meetings, and client interviews
• Support post-award transition by providing estimate handoff to the project ops team

Required qualifications

• 5+ years of estimating experience in industrial or mining construction
• Demonstrated exposure to at least two core service lines: Structural, Piping, Mechanical Equipment Setting, or Civil/Concrete
• Ability to read and interpret civil, structural, mechanical, and piping drawings and specifications
• Proficiency with HCSS HeavyBid estimating software or ability to transition quickly from a comparable platform
• Advanced Microsoft Excel skills
• Proficiency with Microsoft Project or ability to structure estimate data for CPM schedule development
• Working knowledge of MSHA regulations and mining site safety requirements
• Strong written and verbal communication skills
• Valid driver's license
• Ability to travel to mine sites and client facilities as needed
• Ability to wear required PPE
• Ability to pass site-specific safety orientations

Nice to have

• Experience estimating electrical scopes
• Background as a craft tradesperson, foreman, or field supervisor in core disciplines
• Advanced HeavyBid capability
• Experience with self-perform contractors serving copper, gold, or other hard-rock mining operations
• Degree in Construction Management, Engineering, or a related field

About the company

Loenbro is a construction lifecycle partner serving various industries with service offerings including Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication.