Senior Estimator  📐

Lead Complex Bids. Drive Accurate Forecasting. Build Winning Proposals.

Pay: $120,000 – $140,000 per year

Position Type: Full-Time, Exempt

Location: Greeley, CO or Wheat Ridge, CO 

Travel: Occasional travel for site visits, pre-bid meetings, and project scoping

Reports To: EVP of Construction

The Role

The Senior Estimator is responsible for leading the estimating process for earthwork, civil construction, environmental remediation, excavation, site development, facility abandonment, reclamation, and related construction projects from conceptual budgeting through final bid submission.

This role evaluates project drawings, specifications, geotechnical reports, environmental reports, site conditions, labor requirements, subcontractor scopes, equipment production rates, trucking needs, material quantities, disposal requirements, permitting considerations, and project risks to develop accurate, competitive, and complete proposals.

The ideal candidate is a strategic thinker with strong technical estimating knowledge, attention to detail, and the ability to manage multiple bids simultaneously while collaborating effectively with operations, project management, vendors, subcontractors, and clients.

What You’ll Be Doing

Estimating & Proposal Development

• Lead the preparation of accurate and timely estimates for earthwork, civil construction, environmental remediation, excavation, reclamation, facility abandonment, and environmental construction projects
• Review project plans, specifications, bid documents, addenda, geotechnical reports, environmental reports, site assessments, and contract requirements
• Perform quantity takeoffs using PlanSwift, On-Screen Takeoff, and other estimating tools
• Develop estimates for labor, heavy equipment, trucking, materials, subcontractors, disposal, permitting, erosion control, utility work, and project compliance requirements
• Prepare estimates for:
  • Mass excavation and grading
  • Site development
  • Environmental remediation
  • Facility abandonment
  • Civil/site construction
  • Soil management and disposal
  • Utility installation and repair
  • Reclamation and restoration projects
• Evaluate equipment production rates, haul routes, excavation quantities, material import/export requirements, and project logistics

Project Analysis & Risk Evaluation

• Identify project risks related to access, sequencing, utility conflicts, environmental constraints, permitting requirements, weather impacts, production rates, trucking availability, disposal requirements, and schedule impacts
• Review subcontractor and vendor proposals for completeness, pricing accuracy, and scope alignment
• Develop bid assumptions, clarifications, exclusions, and value-engineering recommendations
• Analyze labor trends, equipment costs, trucking rates, fuel impacts, material pricing, and disposal costs to improve estimate accuracy
• Evaluate earthwork balancing opportunities, soil handling requirements, and constructability considerations

Collaboration & Project Support

• Attend pre-bid meetings, site walks, and project scoping meetings
• Coordinate with project managers, superintendents, field personnel, engineers, subcontractors, vendors, and clients
• Support change order pricing, budget updates, estimate revisions, and project forecasting
• Participate in bid review meetings and present estimate details, assumptions, risks, and pricing methodology
• Support project handoff from estimating to operations teams and assist with project startup activities

Process Improvement & Mentorship

• Compare estimated costs to actual project performance and identify areas for improvement
• Support development of estimating templates, cost databases, and best practices
• Mentor junior estimators and provide guidance on takeoffs, pricing strategies, scope reviews, and bid preparation
• Contribute to continuous improvement initiatives within the estimating function

What You Bring

Required

• 5–7 years of construction estimating experience
• Direct experience estimating earthwork, excavation, remediation, civil construction, environmental construction, facility abandonment, reclamation, or site development projects
• Experience developing detailed estimates, subcontractor scope reviews, bid proposals, and change order pricing
• Experience using PlanSwift, On-Screen Takeoff, or similar estimating platforms
• Experience developing detailed estimates, bid proposals, subcontractor scope reviews, and change order pricing
• Strong understanding of labor production rates, equipment utilization, subcontractor scopes, disposal requirements, and project sequencing
• Strong analytical, mathematical, and problem-solving skills
• High attention to detail and accuracy
• Strong written and verbal communication skills
• Proficiency in Microsoft Office, including Excel, Outlook, and Teams
• Ability to manage multiple proposals and competing deadlines
• OSHA 40-Hour HAZWOPER certification or ability to obtain within a defined period after hire
• Valid driver's license
• Authorization to work in the United States

Preferred

• Bachelor's degree in Construction Management, Engineering, Environmental Science, Quantity Surveying, or related field
• Experience estimating public and private sector construction projects
• Experience with:
  • Environmental remediation
  • Earthwork and grading
  • Site development
  • Utility construction
  • Reclamation
  • Facility abandonment
  • Civil/sitework projects
• Knowledge of OSHA, EPA, state environmental requirements, and local permitting processes
• Experience reviewing geotechnical reports, environmental reports, utility plans, and project specifications
• Experience supporting bid strategy, value engineering, procurement planning, and project transition from estimating to operations
• Experience mentoring junior estimators and supporting estimating process improvements

Work Environment

This role primarily operates in a professional office environment with occasional field visits.

Office & Project Conditions

• Fast-paced environment with multiple concurrent bids and deadlines
• Regular collaboration with operations, project management, and clients
• Occasional site visits and project walks in varying weather conditions

Physical Requirements

• Prolonged periods of sitting and working at a computer
• Regular use of standard office equipment
• Occasional lifting of up to 15 pounds

Schedule

• Full-time
• Monday – Friday, 9:00 a.m. – 5:00 p.m.
• Occasional overtime required to meet bid deadlines and business demands

Work Authorization

• Must be authorized to work in the United States
• Must possess a valid driver's license

Benefits

• Medical, dental, and vision insurance
• 401(k) with company match (up to 4%)
• Health Savings Account (HSA) & Flexible Spending Account (FSA)
• Paid time off (PTO)
• Paid sick time
• Company-sponsored paid holidays
• Tuition reimbursement
• Safety equipment provided
• Employee Assistance Program (EAP)

Why Join Tasman?

At Tasman Inc, we deliver environmental, construction, remediation, and consulting solutions with a strong commitment to safety, integrity, and excellence. Our teams support complex projects that protect communities, restore environments, and create lasting value for our clients.

Our work is guided by three core values:

WE ARE OUR PEOPLE

Safety is #1. We ensure every employee makes it home safe every day. We celebrate success together and win as a team.

DO THE RIGHT THING

We care for our people, partners, and the planet. Integrity, accountability, and trust guide everything we do.

PURSUE EXCELLENCE

We never compromise on quality or safety. We value expertise, innovation, and continuous improvement to deliver exceptional results.

As a Senior Estimator, you'll play a critical role in securing and delivering complex earthwork, environmental remediation, civil construction, and site development projects. You'll collaborate with operations leaders, project managers, and field teams to develop winning strategies, improve project outcomes, and support the continued growth of Tasman's Construction Earthwork division.

👉 Apply today and help build the estimates that turn opportunities into successful projects.

Required

• 5–7 years of construction estimating experience
• Direct experience estimating demolition, abatement, remediation, or environmental construction projects
• Experience estimating asbestos abatement, lead abatement, selective demolition, structural demolition, or related environmental work
• Experience using PlanSwift and On-Screen Takeoff
• Experience developing detailed estimates, bid proposals, subcontractor scope reviews, and change order pricing
• Strong understanding of labor production rates, equipment utilization, subcontractor scopes, disposal requirements, and project sequencing
• Strong analytical, mathematical, and problem-solving skills
• High attention to detail and accuracy
• Strong written and verbal communication skills
• Proficiency in Microsoft Office, including Excel, Outlook, and Teams
• Ability to manage multiple proposals and competing deadlines

Preferred

• Bachelor's degree in Construction Management, Engineering, Quantity Surveying, Environmental Science, or related field
• CDPHE asbestos certifications such as Asbestos Building Inspector or Contractor/Supervisor
• Experience estimating public and private sector projects
• Experience with environmental remediation, demolition, abatement, civil/sitework, and environmental construction proposals
• Knowledge of CDPHE, OSHA, EPA, and local permitting requirements
• Experience reviewing asbestos inspection reports, hazardous materials surveys, environmental reports, and project specifications
• Experience supporting bid strategy, value engineering, and project transitions from estimating to operations

Salary : $120,000 - $140,000