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Modeling and Simulation Software Developer

Modern Technology Solutions, Inc.
tuition reimbursement, 401(k)
United States, Ohio, Dayton
Aug 01, 2025
Modern Technology Solutions, Inc. (MTSI) is seeking a Modeling and Simulation Software Developer to join our team in the various geographical locations across the United States.MTSI is expanding our mission modeling capability based on growing customer requirements in the National Defense sector and requires a detail-oriented individual who can perform a variety of software development tasks in the AFSIM modeling environments, including discrete event simulation, mission model operation, and post-processors of model data.
As a Modeling and Simulation Software Developer with MTSI in you will perform a variety of software development tasks in the AFSIM modeling environments, including discrete event simulation, mission model operation, and post-processors of model data.
Your essential job functions will include but may not be limited to :
  • You will assist evaluation of proposed projects for feasibility and applicability to relevant mission areas and related activities.
  • You will provide technical information and analysis to recommend solutions and influence decisions.
  • You will distill and communicate technically complex material to senior decision makers.
  • You must be a self-starter who can execute development procedures on a demanding schedule with minimal supervision.
  • You will collaboration within a team environment while emphasizing individual contributions to produce products that are valuable to the customer.
Qualifications :
  • Candidate must have 10+ years of experience in the use of modeling and simulation software development frameworks.
  • Experience in model/software development.
  • Experience with C++, C#, R, Python, MATLAB, Mathematica, or Analytica.
  • At a minimum you should have a basic knowledge of analytical methodologies and tools, especially as they apply to the AFSIM models.
  • Ability to demonstrate a pro-active approach to problem solving, willingness to learn and apply new methods as required by the requested analysis approach.
  • Experienced at self-starting, seeking solutions, and works well in a team environment.
  • Familiarity with analytical software packages, especially MATLAB, (DESIRED).
  • Experience in process analysis, concepts of operations with the ability to follow procedures and troubleshoot issues.
  • You must have good people skills and be able to communicate effectively across a highly technical team of engineers and analysts.
Education Requirements :
  • Bachelor's Degree.
Clearance Requirements :
  • Top Secret/SCI Clearance.
  • U.S. Citizenship is required for this position.





  • 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


    • 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 tuition 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.


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