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Modeling and Simulation Engineer

NextGen Federal Systems · National Security · Custom Software Development · Bachelor's Degree · TS/SCI · Python · JavaScript · C++ · 15 days ago

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Salary

≈ $63k – $148k per year (Estimated)

Location

In office (Dayton)

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 13, 2026. NextGen Federal Systems scores A on the Alion truth index.

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NextGen Federal Systems

NextGen Federal Systems is a government technology contractor headquartered in Morgantown, West Virginia, and founded in 2011. The company delivers software development, modeling and simulation, geospatial analysis, data management, and cybersecurity work to defense, intelligence, space, and electronic warfare customers. It holds federal contract vehicles including a GSA schedule and staffs cleared personnel on programs across the United States.

nextgenfs.com · HQ: Morgantown, United States · National Security · Custom Software Development · 51-200 employees · Est. 2011

Tech stack of NextGen Federal Systems

NextGen’s practice in Modeling and Simulation Engineering is growing. As such, we are seeking to hire Modeling & Simulation (M&S) Engineers with experience in modeling and simulation and/or digital engineering. Selected engineers will collaborate with fellow DE colleagues to solve complex technical tasks while becoming experts with and deploying cutting edge modeling and analysis tools. Establish and grow your Digital Engineering career with NextGen today.

Responsibilities:

Develop and integrate system models (satellites, radars, aircraft, missiles, command & control) into the AFSIM simulation environment
Collaborate and work closely with government team, and subject matter experts to identify requirements for implementation into AFSIM
Model AFSIM air, space, ground, missile systems to be incorporated into real world system scenarios
Test and evaluate models via CI/CD for delivery
Craft and design varying military models to be incorporated into AFSIM
Create and enhance operationally relevant scenarios that accurately represent actions, reactions, and interactions between entities in the AFSIM simulation
Work with software engineering teams to create and enhance M&S solutions

Qualifications:

Must have active TS clearance with SCI eligibility
BS degree in engineering, science, mathematics, or a related technical discipline
Experience with Python, JavaScript, Plug-in development, C++, Visual Studio, SysML
At least 2 years of operational analysis experience

Desired Skills:

Experience modeling aircraft, sensors, radar, and other military craft

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