Senior Joint Simulation Engineer — Interoperability & Prototyping

Aptima; Dayton (OH); On-site; USD 120,000 - 180,000; Full time

Job summary

Aptima in Dayton, OH is seeking a Joint Simulation Environment (JSE) Engineer to transform innovative concepts into high-quality simulation solutions for government-sponsored training and testing. You will lead design, prototyping, and testing of JSE components to ensure flexible, robust interoperability.

The role requires 7+ years of experience in modeling & simulation (M&S) integration in LVC/DMO environments, hands-on work with JSE/JIAB, and proficiency with GRID, DIS, and

Qualifications

• 7+ years of experience integrating and operating M&S systems in LVC/DMO environments.
• 2+ years hands-on experience operating within the Joint Simulation Environment and/or JSE-in-a-Box (JIAB).
• Experience integrating simulators and tools using GRID, DIS, HLA/RPR-FOM networking standards.
• Active (or eligible) DoD 8140 IAT Level II certification and TS/SCI eligibility preferred.

Responsibilities

• Install, configure, and maintain a JSE-in-a-box (JIAB) stack aligned to current JSE Technical Baseline (JTB) releases.
• Integrate simulators and tools across multiple security levels using networking standards and protocols (GRID, DIS, HLA/RPR-FOM).
• Integrate simulation frameworks and tools such as AFSIM and NGTS into the modeling & simulation environment.
• Assist with simulator and simulation system maintenance and operational readiness, adhering to established configurations.
• Collaborate with mission partners, program managers, and other technical personnel to plan demonstrations, dry runs, and evaluations; support event planning and debriefs.
• Provide hands-on technical troubleshooting across Windows / Linux systems, networks, simulators and tools.
• Provide cross-functional support during hardware installs, demonstrations, or facility changes.

Skills

M&S integration

DIS GRID HLA

AFSIM NGTS

Troubleshooting

Documentation

Clearance eligibility

Security+ certification

Tools

JSE-in-a-Box (JIAB)

AFSIM

NGTS

Windows

Linux

Job description

Aptima in Dayton, OH is seeking a Joint Simulation Environment (JSE) Engineer to transform innovative concepts into high-quality simulation solutions for government-sponsored training and testing. You will lead design, prototyping, and testing of JSE components to ensure flexible, robust interoperability.

The role requires 7+ years of experience in modeling & simulation (M&S) integration in LVC/DMO environments, hands-on work with JSE/JIAB, and proficiency with GRID, DIS, and