Senior Cost Engineer/Estimator (TS/SCI Clearance w/CI Poly Required)

Leffler Consulting Llc
Chantilly, Virginia 20152 United States  View Map
Posted: Jun 09, 2026
  • Full Time
  • Federal Government
  • Summary

    Senior Cost Engineer/Estimator (TS/SCI Clearance w/CI Poly Required)LocationChantilly, VAJob DescriptionLeffler Consulting is seeking a seasoned Cost Engineer/Estimator to join our team in Chantilly providing technical support to national security satellite ground systems. This position is an immediate fill and will reside on‑site with the government customer. SIGINT or GEOINT experience is a plus! An active TS/SCI clearance with CI poly is required.DutiesApply the technical principles, theories, and methods of cost estimation and analysisDevelop cost estimates, collect data, and develop models/methods for space systems and their associated ground and launch systems across multiple space related product linesPerform cost estimating using parametric approaches, with preference for space system experience (including software estimating)Conduct tool development using COTS (i.e., Microsoft Excel), custom code, or FOSS (i.e., R, Python)Utilize product-oriented Work Breakdown Structure (WBS) to evaluate technical baseline, assumptions, and risksPerform forward pricing rate and corporate indirect rate analysisConduct assessments on program cost, technical, and schedule baselines, identify key cost and technical risk areas, and translate the risk areas into program cost impactsSupport development of program office estimates to support the annual budget buildAffordability assessmentsAnalysis of AlternativesData collection and normalizationPerform cost improvement curve analysis, uncertainty analysis, and inflation analysisApply advanced statistical techniques and interact with customers and colleagues expertly and effectively to resolve problemsApply leadership skills and the ability to manage competing priorities, multiple tasks, and work environmentsPerform other duties as assigned to support corporate and customer initiativesRequired ExperienceA minimum of 11 years of experience in one or more of the following areas: ground system cost estimating, software cost estimating, parametric and analogy estimating, data collection and normalization, and cost method and model development.GEOINT and SIGINT experience preferred.Desired EducationRefer to “Required Experience”BenefitsCompetitive salariesMedical coverageDental coverageVision coverageDisability coveragePaid leavePaid holidaysEmployee assistance programEmployee referral program#J-18808-Ljbffr

  • Job Description

    Senior Cost Engineer/Estimator (TS/SCI Clearance w/CI Poly Required)LocationChantilly, VAJob DescriptionLeffler Consulting is seeking a seasoned Cost Engineer/Estimator to join our team in Chantilly providing technical support to national security satellite ground systems. This position is an immediate fill and will reside on‑site with the government customer. SIGINT or GEOINT experience is a plus! An active TS/SCI clearance with CI poly is required.DutiesApply the technical principles, theories, and methods of cost estimation and analysisDevelop cost estimates, collect data, and develop models/methods for space systems and their associated ground and launch systems across multiple space related product linesPerform cost estimating using parametric approaches, with preference for space system experience (including software estimating)Conduct tool development using COTS (i.e., Microsoft Excel), custom code, or FOSS (i.e., R, Python)Utilize product-oriented Work Breakdown Structure (WBS) to evaluate technical baseline, assumptions, and risksPerform forward pricing rate and corporate indirect rate analysisConduct assessments on program cost, technical, and schedule baselines, identify key cost and technical risk areas, and translate the risk areas into program cost impactsSupport development of program office estimates to support the annual budget buildAffordability assessmentsAnalysis of AlternativesData collection and normalizationPerform cost improvement curve analysis, uncertainty analysis, and inflation analysisApply advanced statistical techniques and interact with customers and colleagues expertly and effectively to resolve problemsApply leadership skills and the ability to manage competing priorities, multiple tasks, and work environmentsPerform other duties as assigned to support corporate and customer initiativesRequired ExperienceA minimum of 11 years of experience in one or more of the following areas: ground system cost estimating, software cost estimating, parametric and analogy estimating, data collection and normalization, and cost method and model development.GEOINT and SIGINT experience preferred.Desired EducationRefer to “Required Experience”BenefitsCompetitive salariesMedical coverageDental coverageVision coverageDisability coveragePaid leavePaid holidaysEmployee assistance programEmployee referral program#J-18808-Ljbffr

  • ABOUT THE COMPANY

    • Government Careers
    • Government Careers

    Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country.

    Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service.

    Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.

    Show more

MORE JOBS

  • Air Interdiction Agent New Hire Sign-On Incentives

    • Jamestown, New York
    • U.S. Customs and Border Protections
    • Jun 09, 2026
    • Full Time
    • Clerical and Administrative Support
    • Federal Government
  • Air Interdiction Agent New Hire Sign-On Incentives

    • Hillsborough, North Carolina
    • U.S. Customs and Border Protections
    • Jun 09, 2026
    • Full Time
    • Clerical and Administrative Support
    • Federal Government
  • District Court Magistrate - Justice & Community Impact

    • Raleigh, North Carolina
    • State of North Carolina
    • Jun 09, 2026
    • Full Time
    • Federal Government
    • Legal Services
  • Marine Interdiction Agent

    • Hialeah, Florida
    • U.S. Customs and Border Protection
    • Jun 09, 2026
    • Full Time
    • Federal Government
  • Traffic Control Technician II

    • Austin, Texas
    • RoadSafe Traffic
    • Jun 09, 2026
    • Full Time
    • Federal Government
    • Transportation or Transit
  • Business SME - Senior

    • Washington, DC
    • Intersources
    • Jun 09, 2026
    • Full Time
    • Federal Government
Show More
Apply Now Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.
Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.