Senior Flight Software Engineer II - Automation & Test

WestminsterFull-timesenior

Software EngineerFlight Software EngineerSoftware Engineering

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Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident,

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Software EngineerFlight Software EngineerSoftware Engineering

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

Design and implement an automated testing ecosystem to verify CesiumAstro satellite flight software and satellite systems.

Develop, execute, and maintain test scripts to validate software functionality on flatsat, Hardware-in-the-loop (HIL) systems and simulated systems.

Create complex testing automation plans using industry standard languages and frameworks.

Create test plans aligned to validate system requirements and mission objectives.

Integrate automated tests into CI/CD pipelines to support rapid iteration during release cycles.

Analyze test results to provide clear, actionable feedback to engineering teams.

Work with engineers across all teams at CesiumAstro to debug, investigate, and document hardware and software defects.

Improve test coverage, execution efficiency, and reliability over time.

Identify areas of improvement on our test automation posture across the organization.

Bachelor of Science (BS), Master of Science (MS), or Doctorate (PhD) degree in Software or Computer Engineering from an accredited university or institution.

Minimum of 6 years of industry experience in spacecraft software development.

Experience writing automated testing scripts with Python, C, or C++.

Experience with OpenC3 COSMOS software for operations and test automation

Strong debugging, troubleshooting, and root-cause analysis skills.

Strong communication and organization skills.

Experience testing software on hardware test platforms (HIL, flatsat, integration benches, or similar).

Experience with Linux, Single Board Computers, embedded computers, and FPGAs.

Experience using git, Continuous Integration, and monitoring tools to fully automate validation and testing during development.

Experience with containerization tools like Docker.

Deployment of testing software used in real-world applications.

Fundamental knowledge of communication protocols (UART, SPI, I2C, Ethernet, CAN, etc.)

Familiarity with requirements traceability tools.