Space Simulation Software Engineer — SITL/HITL

York Space Systems; Greenwood Village (CO); On-site; USD 110,000 - 160,000; Full time

Job summary

York Space Systems seeks a talented Software Engineer to join the Simulation, Integration and Test Department. You will write models for spacecraft dynamics, avionics interfaces, and telemetry, ensuring accuracy for regression testing.

Collaborate with Systems Architecture and FSW teams as new vehicle components come online, building simulators to match real hardware behavior. You will develop and maintain the physics simulator, improve model fidelity and runtime performance, and validate that

Qualifications

• Bachelor's degree or higher in a relevant field.
• 2+ years of software engineering experience.
• Proficiency in Python and C++.
• Experience with Linux environment and bash scripting.
• Proficiency with Git and modern Agile development practices.

Responsibilities

• Develop and maintain the physics simulator with higher fidelity and performance.
• Create new simulation capabilities aligned with evolving vehicle components.
• Author and integrate mission test scenarios including fault cases.
• Build and maintain interface emulator logic.
• Model telemetry for meaningful regression testing.
• Support hardware interface development and SIT/CI/CD practices.
• Collaborate with Systems Architecture and FSW teams on component development.
• Document models, validation records, and user guides.

Skills

Python

C++

Linux

Bash scripting

Git

Agile methodologies

Education

Bachelor's degree or higher in Aerospace Engineering, Mechanical Engineering, Physics, Computer Science, or related field

Tools

GitLab CI/CD

Docker

Job description

York Space Systems seeks a talented Software Engineer to join the Simulation, Integration and Test Department. You will write models for spacecraft dynamics, avionics interfaces, and telemetry, ensuring accuracy for regression testing.

Collaborate with Systems Architecture and FSW teams as new vehicle components come online, building simulators to match real hardware behavior. You will develop and maintain the physics simulator, improve model fidelity and runtime performance, and validate that