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Senior AFSIM Developer

Modern Technology Solutions, Inc.

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Job Requirements

Huntsville, AL
Secret Polygraph Unspecified
Career Level not specified
Salary not specified
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Job Description

MTSI is seeking Senior AFSIM (Advanced Framework for Simulation, Integration, and Modeling) Developer/Analyst to design, implement, and analyze mission-level simulations supporting advanced DoD systems and CONOPS development. The ideal candidate will have hands-on experience extending AFSIM through scenario scripting, high-fidelity subsystem modeling, analytic workflows, and C++ plugin development. This role involves building and integrating complex models for sensors, weapons, communications, and decision logic into scalable simulation architectures to evaluate system performance and mission effectiveness.

Key Responsibilities:
  • Architect, develop, and maintain AFSIM models, plugins, and simulation components to support advanced mission-level analyses.
  • Develop custom AFSIM behaviors, algorithms, and decision models (tasking logic, autonomy, federated multi-domain behaviors, etc.).
  • Integrate external data sources (threat models, performance data, signatures, environmental models) to improve simulation fidelity.
  • Analyze simulation results and extract actionable insights and recommendations to stakeholders.
  • Collaborate with engineers, analysts, and subject matter experts to define simulation requirements and scenarios.
  • Integrate new capabilities, algorithms, and data into AFSIM models to enhance simulation fidelity.
  • Document simulation processes, methodologies, and results in technical reports and presentations.
  • Support briefings and discussions with customers and stakeholders.


Basic Qualifications:
  • US citizenship and ability to obtain and maintain a security clearance (if not already held)
  • Bachelor's degree in engineering, Computer Science, Mathematics, Physics, or related field.
  • 7+ years hands-on experience developing AFSIM models, scenarios, and plugins.
  • Familiarity with modeling and simulation principles including discrete-event simulation, stochastic modeling, Monte Carlo techniques, and scenario-based experimentation.
  • Strong programming skills in languages such as C++, Python, or similar.
  • Excellent problem-solving and analytical skills.
  • Strong written and verbal communication skills.


Preferred Qualifications:
  • Master's degree in a technical field.
  • Experience modeling military platforms, RF systems, weapons, C2 networks, orbital mechanics, or EW effects.
  • Familiarity with other simulation tools or frameworks (e.g., MATLAB, STK, or similar).
  • Knowledge of data visualization and analysis tools.


Why Join Us?
  • Work on cutting-edge technologies and contribute to mission-critical projects.
  • Join a collaborative, high-performing team of engineers and analysts.
  • Competitive compensation and benefits package.


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About Us
Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned technology firm specializing in Digital Engineering, Space Systems, Unmanned Systems, Flight Test Engineering, Modeling and Simulation, Cybersecurity, and DevOps for vital defense and intelligence programs. MTSI excels in delivering premier solutions to address global challenges. Founded in 1993, MTSI now operates across 20+ global offices and field sites. Perks of being part of MTSI's employee-ownership culture include: • 6% 401k matching with immediate vesting • Semi-annual performance bonuses • Company-funded Employee Stock Ownership Plan (ESOP) • 20 days of paid time off (PTO), 10 paid holidays, and flexible work schedules • Optional zero-deductible BC/BS insurance with FSA • Certified as a top workplace Join us in a company with a long-term strategy and a commitment to our employee-owners, free from external shareholders' demands.

Modern Technology Solutions, Inc. Jobs


Job Category
IT - Software
Clearance Level
Secret