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Cost Estimator (Mid Level)

Company

System One

Location

Chantilly, VA

Posted

July 01, 2026

Position Overview

Job Title: Cost Estimator
REQUIRED; ACTIVE TOP SECRET
Responsibilities
Assist with the development and refinement of Government Cost estimation models. Develop, maintain, and update credible, defensible, and replicable cost estimates (including Life-Cycle Cost Estimates, Independent Government Cost Estimates, Cost/Budget Excursions, ROMs, Program Contractor Cost Estimate, in support of annual Program Objective Memorandum (POM) submissions) for the Government Customers in any phase of the acquisition life cycle. Assess technical requirement, program performance, cost, and schedule risk as applicable to the cost estimate and appropriately factor any risk and uncertainty into the cost estimates. Consult technical experts/teams when determining risk and uncertainty; document all rationale and sources. Use Government-approved cost estimating tools/software and appropriate published databases like CADE to perform estimates. Provide thorough documentation of methodologies, assum...

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