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

Leffler Consulting, LLC
Chantilly, Loudoun County, VA

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

Location

Chantilly, VA

Job Description

Leffler 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.

Duties
  • Apply the technical principles, theories, and methods of cost estimation and analysis
  • Develop cost estimates, collect data, and develop models/methods for space systems and their associated ground and launch systems across multiple space related product lines
  • Perform 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 risks
  • Evaluate contractor engineering change proposals
  • Perform forward pricing rate and corporate indirect rate analysis
  • Develop government independent cost estimates
  • Conduct assessments on program cost, technical, and schedule baselines, identify key cost and technical risk areas, and translate the risk areas into program cost impacts
  • Support development of program office estimates to support the annual budget build
  • Affordability assessments
  • Analysis of Alternatives
  • Data collection and normalization
  • Perform cost improvement curve analysis, uncertainty analysis, and inflation analysis
  • Apply advanced statistical techniques and interact with customers and colleagues expertly and effectively to resolve problems
  • Apply leadership skills and the ability to manage competing priorities, multiple tasks, and work environments
  • Perform other duties as assigned to support corporate and customer initiatives
Required Education
  • Bachelor’s degree in engineering
Required Experience
  • A 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 Education
  • Refer to “Required Experience”

Founded in 2001, Leffler Consulting is a women-owned small business (WOSB) headquartered in Chantilly, Virginia. We provide financial management and life-cycle budget and cost support to our nation’s most critical programs in the Intelligence Community (IC) and Department of Defense (DoD). Leffler Consulting specializes in all areas of financial management, audit readiness, and process improvement and controls while also providing a broad array of support functions critical to supporting the mission requirements of our customers. We offer competitive salaries and a generous benefits package, including medical, dental, vision, and disability coverage, paid leave, paid holidays, an employee assistance program, and an employee referral program.

Apply for this Position← Back to Careers
Posted 2026-05-05

Recommended Jobs

SAP NS2 TSM Manager

SAP
Herndon, VA

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and w…

View Details
Posted 2026-03-11

Junior Associate, Media Buying

FP1 Strategies
Arlington, VA

FP1 Strategies, a political consulting firm based in Arlington, Virginia is looking for a Junior Associate to join its Media Buying team. The Junior Associate will be responsible for helping execu…

View Details
Posted 2026-03-13

Linux Administrator - Secret Clearance Required

General Dynamics Information Technology
Falls Church, VA

Public Trust: None Requisition Type: Regular Your Impact Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the glob…

View Details
Posted 2026-04-30

Cloud Architect

Fairfax, VA

Cloud Architect Position Description CGI Federal is seeking a skilled Cloud Architect to lead the planning, design, and execution of migrating applications and databases to the Azure Cloud. This…

View Details
Posted 2026-05-06

Advanced Shipfitter (Multi-Pass Tack & Burn)

NSC Staffing
Newport News, VA

Now Hiring: Advanced Shipfitter / Fabricator Location: Newport News, VA Company: NSC Staffing NSC Staffing is seeking an Advanced Shipfitter / Fabricator for an exciting opportunity in Ne…

View Details
Posted 2025-11-05

Sales Manager

Cavalier Mazda
Chesapeake, VA

Join Cavalier Mazda as an Automotive Sales Manager! Are you ready to lead and inspire in the automotive industry with a company that values your growth? Cavalier Mazda is seeking a motivated, experi…

View Details
Posted 2025-08-28

Housekeeping Supervisor-Salem

VP Management
Salem, VA

Job Description Job Description   The hotel housekeeping lead is responsible for overseeing and training housekeeping staff, ensuring that hotel rooms and facilities are kept in a clean and orde…

View Details
Posted 2026-04-10

ADULT PROGRAM ASSISTANT

St Coletta Of Greater Washington Inc
Alexandria, VA

Job Description Job Description Direct Support Professional (Adult Program Assistant) St. Coletta of Greater Washington is a non-sectarian, nonprofit organization that supports individuals with…

View Details
Posted 2026-04-02

Lab Manager III

ARSIEM
Arlington, VA

Job Description Job Description About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients.  We provide support t…

View Details
Posted 2026-04-11

Information Technology Project Manager (Richmond)

TreCom Systems Group, Inc.
Richmond, VA

TreCom Systems Group, Inc. will be hiring experienced IT Project Managers to lead large, complex technology projects from planning through delivery for our growing IT service organization. These will…

View Details
Posted 2026-04-27