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Senior Cost Estimator

AttainX
United Statesfull_timeVerifiedPosted 17 Jun 2026
💰 $140,000/yr($120,000/yr$140,000/yr)

About the role


Job Title: Senior Cost Estimator                                                              

Location: Work shall be conducted at the Hanford Field Office and the Hanford Site in Richland, WA.      

Citizenship: US Citizenship required

Compensation: $120,000.00 - $140,000.00 (exempt). You will receive a competitive total rewards package that is applicable to the U.S. only. The salary range may vary based on years of applicable experience, skillset, education background/certifications and geographical location.


AttainX is searching for a talented Senior Cost Estimator to support the Department of Energy (DOE), Hanford Field Office (HFO) providing general support services for the Tank Waste Operations and WTP Project Controls division


Required Qualifications:

  • BS/BA (or AA, MS, MBA, PhD, etc.) degree
    • 8 years of experience may be substituted for BS/BA degree 
  • 15+ years of directly applicable successful experience consulting or contributing on complex capital projects, including providing strategic, management, technical or business assistance to significant projects or programs in a senior capacity and/or as a consultant
    • Preferred on the WTP capital project
  • Experience with researching and navigating complex federal regulations 

Preferred Qualifications:

  • Experience providing project controls and/or estimating support directly to HFO
  • Comprehensive understanding of the Hanford Site mission, activities and priorities
  • In-depth knowledge of DOE Hanford processes and procedures
  • Proficient in DOE’s program management practices, policies and procedures
  • Senior-level experience in the following areas:
    • Quantity Development Package process in Bechtel National, Inc.'s (BNI’s) and Hanford Tank Waste Operations and Closure's (H2C's) estimating procedures
    • Rate buildup including Project Services, Shared Services and fee within BNI Requests for Equitable Adjustment
    • Hanford Site contractor forward pricing rates
    • BNI and H2C contract
    • Integration with other project controls functions including scheduling and risk management
  • Exceptional communication skills
  • Expert-level proficient in Microsoft 365

Job Duties:

  • Prepare Independent Government Cost Estimates (IGCEs) that meet DOE guidance for accuracy, completeness and well‑documented basis of estimate, including assumptions, sources and methodology. 
  • Ensure estimates are accurate, comprehensive and well‑supported, reflecting all possible cost elements without omissions or duplication, consistent with DOE cost‑quality criteria. 
  • Provide cost engineering/estimating support using PROPRICER software.
  • Provide processing of Request for Equitable Adjustments (REAs) and Baseline Change Proposals (BCPs).
  • Provide extensive specialized knowledge to major projects, programs or tasks.
  • Work at a senior level to improve significant major projects and programs.
  • Offer successful experience in technical or management consulting roles and proven skills in developing plans that yield positive organizational improvements.
  • Provide estimating support and guidance to career level cost estimators.

Non-Essential Functions:

  • General duty requirements 

About Us:

AttainX Inc. is SBA certified Women Owned Small Business (WOSB), Economically Disadvantaged WOSB (EDWOSB), CMMI Level 3, ISO 9001:2015 certified QMS and Silver Level SaFe Partner. For over 12 years, AttainX, Inc. has delivered emergent technologies, software products, program/project management oversight and high-quality services that meet the needs of our federal government customers.  

 

The last three years have shown significant company growth as we have increased our contracts portfolio and hold the Best-in-Class contract vehicles, GSA MAS and OASIS Small Business. In addition, we are prime on several agency specific IDIQs and BPAs with the National Oceanic and Atmospheric Administration (NOAA), DOE, Department of Defense (DoD), Health and Human Service (HHS) and the Defense Intelligence Agency (DIA).

 

AttainX is dedicated to quality a

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