Senior Estimator

 

Description:

MasTec Company,, is hiring for an experienced Senior Estimator with an extensive estimating background in Railways/Roadways and/or Concrete.

The primary responsibilities of this role will include providing accurate takeoff and cost estimates for railways and other concrete and structural components such as foundations, drainage devices, culverts and retaining walls.

Company Overview

Ragnar Benson Construction is a full-service general contractor specializing in commuter rail, intermodal facilities, and ports. With almost 40 years of experience in the railway industry, we offer various delivery models, including general contracting, construction management, preconstruction, and design-build services. In addition, we specialize in constructing intermodal facilities, classification yards, mechanical repair facilities, fueling facilities, automobile marshaling terminals, and mainline capacity improvements. Focusing on innovation, safety, and environmentally-responsible construction, Ragnar Benson delivers quality work and service.

Ragnar Benson is part of the MasTec Clean Energy & Infrastructure (CE&I) business segment. The CE&I segment generates over $4.5 billion in annual revenue, providing construction services across our renewables, industrial, infrastructure, and general building operating groups. Sustainability and safety are foundational to our culture and influence everything we do.

MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #17 Top 50 Domestic Heavy Contractors, #20 Transportation Contractor).

Responsibilities
 

  • Participate in preconstruction efforts for design build or other alternative delivery projects Review opportunity pursuits and develop preliminary budget estimate and itemized summary for go/no-go evaluation
  • Review, analyze and interpret contract documents for complete understanding of the work and owner deliverables to provide accurate, detailed cost estimates
  • Analyze historical data and use estimating software to calculate costs for labor, materials, equipment, and subcontractor services
  • Develop subcontractor and supplier scope packages and perform detailed outreach to procure pricing coverage as required
  • Ability to manage the bid process from start to finish and report to Executives for final close and sbumittal
  • Collaborate with procurement teams to ensure the availability of materials at competitive prices
  • Estimate labor and equipment requirements based on the project scope and schedule
  • Conduct site visits to assess project conditions and identify any potential risks or challenges
  • Evaluate soil conditions, environmental factors, and other site-specific concerns that could affect the cost and schedule of the project
  • Identify critical issues and develop risk exposure summary with associated cost impacts
  • Provide creative and innovative thinking to analyze and develop strategy and value engineering solutions.
  • Effective communication and interaction with clients, engineers, subcontractors and suppliers
  • Perform and review quantity takeoff comparisons to provide evaluation for accuracy and acceptance
  • Work with scheduling staff and Operations to develop accurate and precise bid schedules
  • Present complete and accurate estimates to ensure confidence in decision making
  • Company representation at pre-bids and site visits
     

Qualifications
 

  • Bachelor’s Degree in Civil/Structural Engineering or Construction Management and related field experience. A combination of education and experience will be considered in lieu of a degree
  • 5 years of experience in heavy civil estimating
  • Precise attention to details and exceptionally organized
  • Highly motivated self-starter
  • Stay up-to-date with industry trends, pricing, and best practices
  • Contribute to the development of improved estimating techniques and processes
     

Work Environment
 

  • The role typically involves a combination of office work and occasional site visits
  • Occasional travel between our Illinois and Indiana offices can be expected
  • Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions
     

Physical Requirements
 

  • Ability to lift up to 25 lbs
  • Prolonged periods of sitting or standing during estimation tasks
  • Occasional travel to job sites for project assessments

Organization MasTec Clean Energy & Infrastructure
Industry Other Jobs Jobs
Occupational Category Senior Estimator
Job Location Illinois,USA
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Experienced Professional
Experience 5 Years
Posted at 2026-08-24 5:29 pm
Expires on 2026-10-08