GNC Flight Software Engineer — Real-Time Spacecraft

Sky Limit Systems; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Spaceflight projects

Competitive relocation assistance

Job summary

Sky Limit Systems seeks a GNC Engineer to develop and test real-time flight software for lunar communications missions. You will work on Kalman filters, navigation algorithms, and 6-DOF simulations with multidisciplinary teams.

Role requires C/C++ and Python proficiency, SWIL/HWIL experience, and strong problem-solving skills. On-site Houston, collaborating across hardware and software teams on advanced space systems.

Qualifications

• Bachelor's or Master's in Aerospace Engineering or a related field.
• 2–7 years of relevant engineering experience.
• Experience with real-time software development.
• Proficiency in C, C++, and/or Python.
• Experience with SWIL or HWIL testing and integration.
• Familiarity with GNC hardware such as IMUs, star trackers, GPS, LiDAR, or optical navigation systems.

Responsibilities

• Support design, development, integration, and testing of spacecraft GNC systems.
• Develop, test, and peer-review flight software using C and C++.
• Collaborate with software and hardware teams for integration and performance.
• Develop and implement Kalman filters and navigation algorithms.
• Run 6-DOF simulations to evaluate spacecraft performance.
• Support SWIL/HWIL testing, including sensor/actuator integration.
• Assist with sensor/actuator selection, modeling, and integration.
• Conduct flight control analysis and assess vehicle stability.
• Support real-time flight software integration, testing, and validation.
• Analyze navigation sensor data and support test planning.

Skills

C/C++

Python

Real-time software

GNC knowledge

Team collaboration

Education

Bachelor's or Master's in Aerospace Eng

Tools

SWIL

HWIL

Git

JIRA/Agile

Job description

Sky Limit Systems seeks a GNC Engineer to develop and test real-time flight software for lunar communications missions. You will work on Kalman filters, navigation algorithms, and 6-DOF simulations with multidisciplinary teams.

Role requires C/C++ and Python proficiency, SWIL/HWIL experience, and strong problem-solving skills. On-site Houston, collaborating across hardware and software teams on advanced space systems.