Simulation Developer

MANTECH seeks a motivated, career and customer-oriented SIMULATION DEVELOPER to join our team in QUANTICO, VA.

Join a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight.

• Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sources
• Integrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration
• Collaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracy
• Implements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platforms
• Leads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability tracking

• Bachelor’s degree in Computer Science, Software Engineering, Game Development, or a related technical field
• Minimum of 7 years of software development experience focused on simulation or game-based environments. A total of 10 years’ experience without a degree.
• Proficiency in programming languages such as C++, C#, Python, or Java
• Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena
• Familiarity with version control systems and collaborative software development workflows

• Understanding of modeling and simulation principles in military or operational contexts
• Familiarity with mission engineering, wargaming, campaign analysis, or Naval Capabilities Integration Process (NCIP), and associated military systems/processes
• Knowledge of 3D graphics, physics engines, and database management systems (e.g., SQL)
• Experience applying Agile or Scrum development methodologies in simulation projects
• Strong communication, analytical, and cross-functional collaboration skills

• Must possess a current/active TS/SCI security clearance.

• Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.