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Construction Cost Estimator

Job in Caldwell, Canyon County, Idaho, 83607, USA
Listing for: Amentum Services, Inc.
Full Time position
Listed on 2026-02-19
Job specializations:
  • Engineering
    Estimator, Civil Engineering
  • Construction
    Estimator, Civil Engineering
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Nuclear Projects and Consulting is seeking a Construction Cost Estimator, to support the Idaho Falls, Idaho location. This position will split their time between the Idaho Falls office and the on-site location to support the Spent Fuel Handling Project (SFHP). This site is located approximately 55 miles west of Idaho Falls on the Idaho National Laboratory property. A majority of the estimates will focus on Technical Changes Requests for the subcontractors and assist in negotiation fair and reasonableness to these contract changes.

The candidate will be expected to work independently as well as in a team environment. Part of multi-contract team running >$M contracts.

Overview

In this role you will:

  • Prepare independent cost estimates for submitted change order proposals.
  • Analyze specifications, sketches, drawings, contract document agreements, and prior change order proposals.
  • Become a subject matter expert on the contract verbiage for the contract being supported.
  • Utilize knowledge of construction and estimating principles, theories, concepts, and industry practices and standards to perform moderately complex assignments under general supervision to produce accurate and quality cost estimates.
  • Consult with the Project Manager and Engineers to discuss and formulate quality take-offs.
  • Identify areas of scope creep or scope gap in the change orders being proposed.
  • Provide assistance in price negotiations, working closely with Project Manager and Project Controls management.
  • Collaborate with scheduling team to develop production-based bottom-up cost estimates and to ensure alignment of estimates to construction schedules.
  • Accumulate, evaluate, and document historical cost data and construction means and methods in order to maintain current estimating standards and databases.
  • Review and perform variance analysis on completed estimates to assess accuracy and lessons learned.
  • Support costing of Risk Registers and collaborates with Risk team to ensure all risk register items are aligned to project’s risk profile.
  • Perform detailed peer reviews of those estimates from fellow team members.
  • For all work done, clearly document and communicate the scope of the estimate, the assumptions made, and any pertinent information gathered from the Project Manager or Engineering team. Provide a narrative write-up explaining the Basis of Estimate, followed by a variance analysis for estimates that fall outside our target threshold.
Qualifications
  • Microsoft Excel expertise.
  • Bachelors degree in Engineering, Construction Management, Business, Accounting or other related field highly preferred.
  • 4 or more years of experience; education can substitute for some experience.
  • Experience in large scale heavy industrial projects highly preferred.
  • Experience in multiple phases of project lifecycle (Predesign, Design, Procurement, Construction, and Post-Construction phases).
  • Experience preparing cost estimates on behalf of general contractor using a variety of Estimating tools, including Excel spreadsheets, Win Est, and/or other estimating software.
  • Ability to communicate clearly through Basis of Estimate narrative write-ups, variance analysis reports, and in-person presentations to all levels of the project team.
Essential Functions & Other Requirements
  • Intermittent sitting, walking, standing, bending, squatting, climbing, kneeling, twisting, and lifting. Lifting requirements limited to 20 lbs. in the form of supplies, drawings, etc. Longest distance carried of 50 feet. Hand manipulation for simple grasping, pushing and pulling, and fine manipulation. Use of both hands. Occasional need to reach and/or work above the shoulder, as well as below the shoulder for supplies.

    Required to be alert to equipment in the field; occasional travel; work near construction sites; exposure to equipment, hazardous conditions, and uneven terrain; exposure to noise, temperature extremes, and wind.
  • U.S. Citizenship required. Valid driver’s license required. Ability to work in a team environment.
  • Professional behavior that promotes productivity and teamwork. Suitable grooming and dress for the position. Must pass pre-employment drug test, background check, and site security…
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