Mission Assessments Engineer - TS/SCI Clearance w/CI Poly Required

Leffler Consulting, LLC
Chantilly, Loudoun County, VA

Mission Assessments Engineer – TS/SCI Clearance w/CI Poly Required

Location

Chantilly, VA

Job Description

Leffler Consulting is seeking a Mission Assessments Engineer to provide mission support to legacy, current, and future satellite programs to a government customer in Chantilly, VA. The candidate will support constellation design and planning studies, requirements development and verification, and compliance analyses against user requirements. Additionally, the candidate will provide programmatic support directly to Government leads. Limited travel may be required. An active TS/SCI clearance with a CI Poly is required. Work will be performed onsite.

Duties
  • Support development of models and simulations to predict expected mission performance against requirements.
  • Support development of detailed test objectives, plans, and success criteria to support analysis objectives.
  • Conduct engineering analysis in support of system impact assessments and evaluation of results for complex aerospace systems.
  • Work with multiple teams and stakeholders in the development of analysis plans, analyzing data and reporting results.
  • Coordinate system level analysis across the enterprise.
  • Help the customer establish priorities and engage with various internal and external stakeholders to include senior executive officials, military officers, development contractors, and end users.
  • Develop briefings and assessments to a variety of audiences and must be able to convey information in a clear and articulate manner to customer leadership.
Required Education
  • Bachelor’s degree in Math, Physics, Electrical Engineering or similar technical fields such as Communications, Astronautics, or Aerospace Engineering.
Required Experience
  • Nine (9) years of relevant work experience, including the analysis of data from space system components with the ability to conduct performance analysis and other technical assessments of the data.
  • Familiarity with signal processing, digital communications, and RF theory.
  • Knowledge and proficiency in conducting engineering analysis and modeling using tools such as Python, MATLAB Simulink, Satellite Tool Kit (STK), Excel, and other standard analysis tools.
  • Ability to clearly and concisely present analysis data.
Desired Education
  • Master of Science Degree in Math, Physics, Electrical Engineering or similar technical fields such as Communications, Astronautics, or Aerospace Engineering.
  • Three (3) years of relevant work experience.
  • Knowledge of RF antennas and receivers.
  • Experience in modeling RF systems.
  • Solid understanding of space systems, design, integration, test, and operations.
  • Proven ability to work effectively with large team of Government, FFRDC, and SETA contractors as well as with major development contractors.
  • Demonstrated ability to convey complex technical issues concisely to management.
  • Proficient with modeling and simulation.

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.

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Posted 2026-01-28

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