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Cost Estimating Manager

Job in Scoville, Butte County, Idaho, USA
Listing for: Amentum company
Full Time position
Listed on 2026-10-18
Job specializations:
  • Engineering
    Estimator, Civil Engineering
  • Construction
    Estimator, Civil Engineering
Salary/Wage Range or Industry Benchmark: 160000 - 180000 USD Yearly USD 160000.00 180000.00 YEAR
Job Description & How to Apply Below

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Cost Estimating Manager to support our Spent Fuel Handling Project (SFHP).

In this role you will:
  • Manage a team of estimators that have experience levels from newer entry to seasoned veterans
  • Heavy focus on standardization of estimating procedures, focus on documentation, the narratives to explain the Basis of Estimate, assumptions made. Variance Analysis reporting on estimates that come back outside our targeted threshold
  • The candidate will place a large priority on training and incorporating the Project Controls Management goals and expectations then relaying that back to the team
  • Training the team to the GAO-20-195G – Cost Estimating and Assessment Guide and our own internal Cost Estimating Plan. Become the Subject Matter Expert in these documents and ensure that our team is abiding by these best practices
  • Work with the Team Lead in the review of all estimates produced, checking for accuracy, that the estimate captures all elements of the Technical Change Request (TCR), and oversee that the estimates are produced/reviewed/delivered in a timely manner
  • Expected to track the accuracy of the estimates produced, comparing the estimate to the final negotiated price. Assessing any areas that need improvement and working with the individuals on the team to make improvements
  • Review all estimates and narrative write ups to ensure that the estimator has properly analyzed specifications, sketches, drawings, contract document agreements, and reviewed prior change order proposals
  • Become a subject matter expert on the contract verbiage for the contracts being supported
  • Consult with the Project Manager and the Engineering teams to discuss the estimates produced, the accuracy, and ensure that the cost estimating team is providing the support that is needed
  • Provide assistance in price negotiations, working closely with Project Manager and Project Controls management
  • Work with team members on the historical database they have been compiling and evaluate the data and construction means and methods in order to maintain current estimating standards and databases
  • Support costing of Risk Registers and collaborates with Risk team to ensure all risk register items are aligned to project’s risk profile
  • For all work done, it is expected that the estimator clearly document and communicate the scope of the estimate, the assumptions made, and any pertinent information gathered from the Project Manager or Engineering team. This is to be done in providing a narrative write up explaining the Basis of Estimate. Followed up by a Variance Analysis write up for estimates that fall outside our target threshold.

    Follow up to ensure this is being properly done and documented
Qualifications:
  • Microsoft Excel expertise.
  • Bachelors degree in Engineering, Construction Management, Business, Accounting or other related field highly preferred
  • 10 or more years of experience, education can substitute for some experience
  • Must be able to obtain and maintain facility credentials/authorization.

    Note:

    U.S. Citizenship is required for facility credentials/authorization at this work location
  • Experience in large scale heavy industrial projects is 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,…
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