
Avionics Test Software Engineer
Quantum Space2 days ago
Rockville, MD, USAMid Level
Base Salary
$110k - $160k/yr
Responsibilities
- Develop automated test software and Electrical Ground Support Equipment software for spacecraft avionics.
- Build reusable test applications, instrument interfaces, device drivers, test sequencing capabilities, and data acquisition tools.
- Control laboratory instrumentation and communicate with embedded avionics hardware.
- Develop requirements-based, functional, performance, hardware-in-the-loop, and hardware/software integration tests.
- Implement fault injection, test logging, data collection, traceability, and reproducibility practices.
- Troubleshoot hardware, firmware, software, communication interface, and test equipment issues.
- Verify and validate automated test software and test equipment for accurate and reliable results.
- Collaborate with avionics, flight software, systems, electrical, and test engineering teams.
- Participate in code reviews, configuration management, version control, and continuous integration practices.
Requirements
- Bachelor's, Master's, or Ph.D. in Computer Engineering, Electrical Engineering, Computer Science, Aerospace Engineering, or a related technical discipline.
- Experience developing automated test software with LabVIEW, Python, C/C++, or equivalent programming environments.
- Experience controlling laboratory instrumentation and communicating with embedded hardware.
- Experience building reusable, maintainable automated test applications, frameworks, or infrastructure.
- Experience diagnosing complex hardware/software integration issues.
- Understanding of requirements-based testing, boundary conditions, negative testing, and fault injection.
- Experience verifying automated test software and test equipment reliability.
- Familiarity with Git and software configuration management.
- Preferred experience with spacecraft, aerospace, defense, or other complex embedded-system test systems and EGSE.
- Preferred experience with Ethernet, TCP/UDP, RS-422/485, SpaceWire, SPI, I2C, HIL testing, simulation environments, fault injection, laboratory instrumentation, protocol analyzers, and data acquisition systems.
- Preferred understanding of embedded firmware and flight software architectures and experience with CI/CD pipelines, automated builds, automated testing, and code reviews.
Benefits
- Competitive salary of $110,000 to $160,000 plus equity participation.
- Medical, dental, vision, generous leave, HSA, and 401(k) matching.
- Work location is Rockville, MD or Hawthorne, CA.
- The role offers ownership of mission-critical test software, cross-functional growth, and work supporting spacecraft development and verification.
About Quantum Space
Quantum Space builds maneuver-first spacecraft and provides in-space logistics for government and commercial operators. Its Ranger platform uses high delta‑V propulsion and modular configurations to support missions such as rapid repositioning, asset deployment, and refueling across geostationary and cislunar orbits; revenue comes from spacecraft sales and mission services. The company is privately held and headquartered in Rockville, Maryland.