Observable Space
Sr. Test Engineer, HITL
$123K–$160K
Los Angeles, CA · On-site · Senior · Full-time · Posted Sep 10, 2026
- Experience
- 5+ years in test engineering, embedded systems, or systems-level development.
About the job
Designs, builds, and operates hardware-in-the-loop test systems to validate integrated spacecraft and telescope hardware and software.
What you'll do
- Architect and maintain HITL test systems and simulated environments for subsystem and system-level validation.
- Develop automated test frameworks, test plans, and performance benchmarks; integrate test suites into CI/CD pipelines.
- Support hardware bring-up and integration, and debug complex issues across electrical, mechanical, and software boundaries.
What they ask for
- 5+ years of experience in test engineering, embedded systems, or systems-level development.
- Strong programming skills in C/C++, Python, or similar languages used for test automation and system integration.
- Experience designing and implementing HIL/HITL or system-level test environments.
- Understanding of embedded systems, hardware interfaces, and real-time systems; experience with lab instrumentation and ability to read schematics.
Nice to have
- Experience with spacecraft, aerospace, robotics, or other high-reliability environments.
- Familiarity with embedded Linux, RTOS, or firmware development workflows.
Pay
$123K – $160K USD base salary
Tools
C/C++, Python, I2C, SPI, UART, CAN, Ethernet, CI/CD
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