Cost Estimator

GST is seeking a highly skilled Cost Estimator to serve as a strategic advisor to a Federal Program Management Office (PMO). In this capacity, you will be responsible for the end-to-end development, validation, and defense of cost estimates that underpin critical acquisition decisions. This position is located in Silver Spring, MD and has been approved for a hybrid work schedule. The successful candidate will move beyond simple spreadsheet modeling to provide "decision-quality" analysis. You will help the government navigate complex fiscal environments by ensuring all estimates are comprehensive, accurate, well-documented, and credible-the four characteristics of a high-quality cost estimate defined by the GAO.

Primary Duties:

Cost Estimating & Model Development • Life Cycle Cost Estimates (LCCE) covering R D, operations & support (O&S), and disposal costs. •

WBS Development:

Collaborate with engineers to develop and maintain a product-oriented Work Breakdown Structure (WBS) and Cost Element Structure (CES) •

Methodology Selection:

Apply a mix of estimating methodologies based on data maturity, including: Parametric, Analogy, and Engineering Build-Up •

Data Collection & Normalization:

Research and collect historical cost, technical, and programmatic data from sources • Software Cost Estimating Risk, Uncertainty, & Sensitivity Analysis, including Monte Carlo Simulation, Risk Register Integration, Sensitivity Analysis, and perform integrated cost-schedule risk analysis to predict the probability of meeting both cost and schedule targets simultaneously. Program Management & Reporting. Prepare budget quality defense exhibits and briefing materials for the Planning, Programming, Budgeting, and Execution (PPBE) process (e.g., POM slides, Exhibit 300s). Conduct Earned Value Management (EVM)

Support:

Analyze Cost Performance Index (CPI) and Schedule Performance Index (SPI) to forecast Estimates at Completion (EAC). Conduct Cost Analysis Requirements Description (CARD)

Required Education/Experience/Skills:

Bachelor's Degree in Operations Research, Mathematics, Economics, Industrial Engineering, Finance, or a related quantitative discipline. (Master's degree preferred). 8-12 years of experience, including leadership in developing estimates for major ACAT I or II programs.•

Subject Matter Expertise:

Deep understanding of the GAO Cost Estimating and Assessment Guide, FAR Part 15 (Contracting by Negotiation), and DoD 5000.02 policies.

Specialized Software:

Expert proficiency in ACEIT (Automated Cost Estimating Integrated Tools) is highly desired. Proficiency in Crystal Ball, @Risk, or SEER suite.

Microsoft Excel:

Advanced mastery is mandatory (e.g., array formulas, VBA macros for automation, complex pivot tables, data modeling).

Schedule Integration:

Familiarity with Microsoft Project or Primavera to understand the link between schedule duration and cost (marching army costs). Applicants selected will be subject to a government background investigation and may need to meet eligibility requirements. Compensation At GST, we celebrate your contributions. We will provide you with opportunities and choices and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care for full-time employees working 30-plus hours per week. Our recognition awards program acknowledges employees for exceptional performance. Salary at GST is determined by various factors, including but not limited to location, the individual's combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $140,000 to $150,000 (annualized USD). The estimate displayed represents the typical salary range or this position and is just one component of the GST total compensation package for employees. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Work Definitions:

If this position is listed as remote or hybrid, you'll periodically work from a company or client site facility. If this position is listed as onsite, you'll work at the client site - in person, or as needed for the specific role. Please note, effective 5/7/2025, that as part of the onboarding process for this position, individuals undergoing identity verification for new PIV card issuance, must present a REAL ID compliant form of identification or an equivalent acceptable form. GST is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. GST provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.