breezy
PNT Flight Software Test & Verification Engineer
Moonshot Aerospace
Houston, USA
Full-time
Senior · 5+ years experience
Onsite
Discovered 1 months ago
CC++PythonGitJIRAVxWorks
Key Skills for This Role
CC++PythonGitJIRAVxWorks
Full Job Posting
Responsibilities
- Develop, integrate, and test real-time flight software for spacecraft PNT subsystems in C and C++
- Build and maintain software-in-the-loop (SWIL) and hardware-in-the-loop (HWIL) test environments for navigation and GN&C software
- Develop automated test infrastructure, regression suites, and analysis tooling in Python
- Execute software verification against subsystem requirements and document results with traceability to those requirements
- Integrate and test navigation sensor and timing interfaces, including GNSS receivers, IMUs, star trackers, optical navigation cameras, and frequency references
- Support bench and testbed integration of flight software with flight-like avionics
- Troubleshoot software, interface, and timing anomalies during integrated test and drive them to closure
- Support Test Readiness Reviews and produce test plans, procedures, and post-test reports
- Perform post-test data reduction and navigation performance analysis
- Work within Agile development processes using Git version control and JIRA issue tracking
- Collaborate across GN&C, avionics, systems engineering, and customer teams
Required Qualifications
- U.S. Citizenship and ability to obtain and maintain a security clearance
- B.S. in Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, or related field
- Level III: 5+ years of professional flight, embedded, or real-time software development experience. Level IV: 10+ years, or M.S. with 8+ years
- Demonstrated depth in C and C++ on real-time, embedded, or resource-constrained targets
- Proficiency in Python for test automation, scripting, and data analysis
- Experience integrating and testing software against hardware interfaces (serial, Ethernet, SpaceWire, CAN, MIL-STD-1553, or equivalent)
- Experience with software test and verification practice, including test procedure development and defect tracking to closure
- Experience with Git version control and software configuration management
- Working knowledge of spacecraft dynamics, orbital mechanics, coordinate frames, and time systems
- Effective written and verbal communication, including clear documentation of test results
- Ability to work on-site in Houston, TX
Preferred Qualifications
- GPS/GNSS experience: receiver integration, receiver software, signal processing, or GNSS simulator operation
- Formal verification experience in an aerospace, safety-critical, or flight-certified software environment
- Development of SWIL and HWIL test environments, including real-time interface emulation
- Real-time operating system experience (VxWorks, RTEMS, embedded Linux, or equivalent)
- Implementation of Kalman filters or other state estimators in flight software
- M.S. in Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, or related field
- Experience with the NASA Trick simulation framework, CSPICE, GMAT, GEONS, or equivalent
- Optical navigation, image processing, or feature detection software
- Monte Carlo analysis and navigation performance characterization
- Linux and Bash development environment fluency
- Requirements management and verification traceability tools
- Spacecraft integration and test (I&T) or flight operations experience
- Lunar, cislunar, or deep-space mission experience
About Moonshot Aerospace
Aerospace & Defense Manufacturing9 employeesFounded 2019
Aerospace engineering and consulting firm providing GN&C, flight software, and simulation services to government and space clients.
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