Ground Software Engineer
$110,000–$200,000 year
On-siteTorrance, California, United States
Job Summary
Design, develop, and maintain software systems for vehicle command, control, telemetry, and test operations. Build and support ground software infrastructure used for hardware-in-the-loop, integration, and flight testing. Develop backend services, automation tools, and telemetry pipelines using Python and modern frameworks. Integrate software with avionics, flight computers, and communication systems to enable end-to-end vehicle testing. Support flight campaigns, system debugging, and root-cause investigations across software and hardware interfaces. This role works at the intersection of software, hardware, and flight testing to accelerate vehicle development and increase flight-test velocity for Castelion's next-generation strike systems.
Required Qualifications
- Bachelor's degree in Computer Science, Electrical Engineering, Aerospace Engineering, or a related technical field
- 1+ years of professional software engineering experience with strong proficiency in Python
- Experience developing software on Linux systems and working with networking protocols such as TCP/IP and UDP
- Experience building backend services, distributed systems, automation frameworks, or hardware-integrated software systems
- The ability to obtain and maintain a U.S. government–issued security clearance
- U.S. citizenship
Desired Qualifications
- Experience supporting aerospace, defense, robotics, autonomous systems, or other mission-critical hardware programs
- Experience with telemetry systems, real-time data processing, time-series databases, or data visualization platforms
- Experience with Docker, Kubernetes, CI/CD pipelines, and modern software deployment practices
- Experience supporting hardware-in-the-loop (HIL) testing, system integration, or flight test operations
- Experience developing operator interfaces, mission control systems, or engineering tools using React, Vue, or similar frameworks
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