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Principal Simulation Engineer with Security Clearance

Data Machines
Reston, VA Full Time
POSTED ON 5/27/2026
AVAILABLE BEFORE 6/25/2026
Principal Simulation Engineer

Job# 1171-

Location: Reston, VA

Clearance Requirement: Top Secret with SCI Eligibility

Job Description And Responsibilities

Data Machines seeks an energetic Principal Simulation Engineer with the desire to work with and lead our teams supporting the development and production of cutting-edge defense and intelligence simulation capabilities. The ideal candidate will use operations research and software development skills to encode custom agent behaviors and interfaces for, and apply Artificial Intelligence and Machines Learning to, discrete event simulations, creating interfaces between the simulation and external software, and use statistical routines to conduct post-processing of simulation-generated data and provide insights in machine-readable and human-readable formats.

Candidates should have strong problem-solving skills, software development experience, and an excitement for cutting-edge defense and intelligence capabilities.

Successful candidates will be passionate about new ideas and enjoy the ownership of implementation, and eagerly support and contribute to the implementation of their teammates' ideas.

Come join us as we work to solve some of the industry's biggest challenges. Data Machines fosters a culture of professional growth and development in a collaborative, open environment.

Multiple positions may be filled through this opening

Minimum Qualifications:

  • Master’s degree in Statistics, Applied Mathematics, Data Science, Computer Science, Operations Research or other closely related quantitative or mathematical discipline
  • Strong industry experience encoding the scientific principles of military and defense operations
  • 10 years of experience each with C and Python
  • 10 years experience with one of the following: AFSIM, NGTS, OneSAF, GCAM, Command PE, STORM
  • Experience leading teams of simulation engineers
  • Active Top Secret clearance w/ SCI Eligibility Preferred Qualifications:
  • PhD in Statistics, Applied Mathematics, Data Science, Computer Science, Operations Research or other closely related quantitative or mathematical discipline
  • Experience developing plugins for AFSIM
  • Demonstrated experience as a product manager, product owner, or lead designer of simulation products
  • TS clearance with SCI eligibility

Salary.com Estimation for Principal Simulation Engineer with Security Clearance in Reston, VA
$124,892 to $156,613
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