Simulation & Digital Twin Software Engineer

Relha LLC; Beavercreek (OH); Hybrid; USD 70,000 - 110,000; Full time

Benefits offered by this job

401(k) with company match

Medical, dental, vision, life, and AD&

Flexible spending accounts

Disability coverage

Paid time off and flexible work

Job summary

KBR is seeking a Digital / Software Engineer to support USAF open architecture programs and autonomy projects. You will drive development, simulation, maturation, and coordination of capabilities, ensuring alignment across systems and enhancing mission effectiveness.

You will collaborate with systems engineers, software, and cybersecurity teams to maintain simulation environments and support demonstrations. A Secret clearance is required; location is on-site in a defense-focused setting.

Qualifications

• Associate degree in systems engineering, computer engineering, aerospace engineering, or related STEM degree program.
• 1 to 3 years’ experience in Systems Engineering.
• An active Secret clearance is required.
• Familiarity with modern software development tools, languages, and methodologies.
• Knowledge of DoD open architectures such as OMS (Open Mission Systems).
• Experience with software architecture and development.
• Experience with data modeling, test driven development and mission planning.
• Experience with collaborative software development in either open source or professional team environments.

Responsibilities

• Validate simulation inputs, outputs, and system configurations.
• Troubleshoot simulation execution issues and coordinate corrective actions.
• Monitor simulation performance and ensure test objectives are achieved.
• Configure, execute, and monitor simulations in laboratory and virtual test environments.
• Support developmental and operational test events through modeling and simulation activities.
• Develop and maintain simulation scenarios based on operational requirements and test objectives.
• Analyze simulation results and identify performance trends, anomalies, and risks.
• Generate reports, summaries, and visualizations to support engineering and program decisions.
• Present simulation findings to technical teams and program leadership.
• Maintain test records and configuration documentation.
• Assist in development and maintenance of digital engineering artifacts.
• Support creation and refinement of system models and digital representations.
• Participate in Digital Thread and Digital Twin initiatives.
• Contribute to continuous improvement of simulation and testing processes.
• Partner with systems engineers and test personnel to define simulation objectives.
• Coordinate with software and cybersecurity teams to maintain simulation environments.
• Support Government and DoD customer demonstrations, reviews, and test events.

Skills

Modern software tools

OMS Open Mission Systems

Software architecture

Data modeling

Test-driven development

Collaborative development

Education

Associate degree in STEM (systems/engineering, aerospace, computer)

Tools

OMS Open Mission Systems

Simulation tooling

Job description

KBR is seeking a Digital / Software Engineer to support USAF open architecture programs and autonomy projects. You will drive development, simulation, maturation, and coordination of capabilities, ensuring alignment across systems and enhancing mission effectiveness.

You will collaborate with systems engineers, software, and cybersecurity teams to maintain simulation environments and support demonstrations. A Secret clearance is required; location is on-site in a defense-focused setting.