Testbed Software Engineer
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-05-29
Listing for:
Xona Space Systems
Full Time
position Listed on 2026-05-29
Job specializations:
-
Engineering
Systems Engineer, Robotics, Embedded Software Engineer, Hardware Engineer
Job Description & How to Apply Below
Requirements
- Experience building or owning production-quality HIL, SIL, or integrated test environments ,
- Experience connecting real hardware to simulation (robotics, autonomy, automotive HIL, avionics, or embedded systems) ,
- Hands-on expertise with embedded buses and lab instrumentation (RS-422/485, Ethernet, I2C/SPI, GPIO, DAQ) ,
- Strong grasp of real-time systems: timing, latency, scheduling, determinism, resource constraints ,
- Track record debugging across hardware, firmware, and software boundaries ,
- Strong documentation and cross-functional communication skills ,
- (Desirable) Mission-critical or safety-critical systems experience ,
- (Desirable) Hardware test environments integrated into CI/CD ,
- (Desirable) Operations rehearsals, telemetry analysis, or anomaly investigations ,
- (Desirable) Python, C/C++, or Rust development experience ,
- (Desirable) Knowledge of aerospace communication protocols (CAN, Ethernet, RS-422/485) ,
- (Desirable) Space experience is not required. We welcome robotics, autonomy, automotive HIL, aerospace, defense, and other mission/safety-critical systems backgrounds. If you don't meet every requirement but are excited about the role, apply anyway
- As a Testbed Software Engineer, you will architect and build our spacecraft Hardware-in-the-Loop (HIL) testbed software from scratch, integrating flight hardware (or engineering models) with real-time simulation and automated validation tooling ,
- This means integrating flight hardware with real-time simulation and automated validation to test flight software, avionics interfaces, fault management, and operational workflows end-to-end before launch ,
- Design the HIL testbed architecture: scalable patterns, reproducible baselines, maintainable infrastructure ,
- Integrate flight hardware + simulation + command/telemetry + automated tests into deterministic workflows ,
- Build interface layers for avionics and instrumentation (RS-422/485, Ethernet, I2C/SPI, GPIO, DAQ, power systems) ,
- Implement the FSW simulation layer (sensor/actuator emulation, peripheral models, timing models, interface shims) ,
- Design fault injection and scenario orchestration for FDIR, safe-mode, and recovery validation ,
- Develop telemetry capture, decode, time alignment, replay, and automated reporting tools ,
- Characterize system timing (latency, jitter, scheduling, resource usage) and define acceptance criteria ,
- Automate regression testing and integrate HIL into CI/CD
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