Demo

Modeling and Simulation Engineer

Modern Technology Solutions, Inc.
Washington, DC Full Time
POSTED ON 9/4/2026
AVAILABLE BEFORE 11/3/2026
MTSI is seeking a Modeling and Simulation (M&S) Engineer to provide expertise for multi-domain defense simulation development and testing. The person in this position will utilize their M&S experience developing and using system, subsystem, and component models for aerospace applications, executing simulation trades, and performing Monte Carlo analysis.

Essential job functions will include but are not limited to:
  • Develop and implement mission-to-high fidelity level models for simulations to support strategy, technology/concept development, requirements, design, and test of communications equipment and systems.

Required Qualifications:
  • US Citizenship and an active secret clearance
  • Bachelor of Science in a technical discipline (i.e., engineering, mathematics, physics).
  • 5 years of relevant modeling and simulation experience.
  • Understanding of aerospace system functions and dynamics and how to model them.
  • Capability to perform analysis measuring key system performance metrics and verifying model behavior utilizing ground and flight test data.
  • Ability to create, test, and debug scripts, Python, and C programs.
  • Prior experience modeling entire systems or individual components, such as sensors, GNC, and propulsion.
  • Excellent communication skills (both oral and written).
  • Ability to apply engineering rigor to solve engineering/scientific problems.
  • Prior experience supporting a major defense acquisition program in a high-visibility environment with mission-critical responsibilities.
  • Self-starter who can work independently and in a collaborative team environment.

Desired Skills and Experience:
  • TS/SCI clearance
  • Master of Science degree in a STEM discipline.
  • Prior experience working with the AFSIM simulation framework is highly desired.
  • Experience modeling and analyzing RF and IR-based engagements of air and space platforms.
  • Proven ability to perform hi-fidelity operational system analysis to quantify sensor, weapon system, and kill chain effectiveness.
  • Experience developing briefings and presenting analysis results to high-level government customers to help them in their decision-making processes.

#LI-JJ1
  • Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security.
  • Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.
  • 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.
  • Great Benefits - Most Full-Time Staff Are Eligible for:
    • Starting PTO accrual of 20 days PTO/year 10 holidays/year
    • Flexible schedules
    • 6% 401k match with immediate vesting up to $9k annually
    • Semi-annual bonus eligibility (July and December)
    • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
    • Up to $10,000 in annual educational reimbursement
    • Other company funded benefits, like life and disability insurance
    • Optional zero deductible Blue Cross/Blue Shield health insurance plan
  • Track Record of Success: We have grown every year since our founding in 1993.

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com


MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.


MTSI is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

 

Salary : $9,000 - $10,000

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