HIL Test Engineer - Satellite Software Systems

Spacex; Bastrop (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

SpaceX in Texas is seeking a Software Development Test Engineer for Starlink to design, build, and maintain hardware-in-the-loop testbeds and to create flight-like testing environments for Starlink software.

You will collaborate with multidisciplinary teams to scale HITL capabilities, ensure robust test coverage, and troubleshoot results to prevent production issues. The role demands strong engineering fundamentals and hands-on testing experience.

Qualifications

• Bachelor’s degree in software, electrical, mechanical, aerospace, or a related engineering discipline.
• 1+ years of professional test experience within electrical, mechanical, and/or aerospace engineering.
• Development experience in Python
• Experience in CI/CD pipeline development

Responsibilities

• Design, build, and maintain highly reliable hardware-in-the-loop (HIL/HITL) testbeds—including surrounding infrastructure, tooling, and support equipment—for the Starlink software continuous integration system
• Develop test cases and create simulation environments that replicate on-orbit scenarios to deliver flight-like testing capabilities
• Ensure all software has an appropriate level of test coverage, balancing reliability, velocity and safety
• Pioneer innovative strategies to scale the HITL fleet in accordance with the Starlink software organization’s growing test demands
• Analyze and troubleshoot HITL test results to identify testbed issues and prevent software bugs from reaching production

Skills

Python

CI/CD

Test experience

Troubleshooting

Communication

Education

Bachelor’s degree in software/electrical/mechanical/aerospace or related

Tools

Oscilloscopes

DAQs

Spectrum analyzers

3D CAD

PLC programming

Network testing tools

Job description

SpaceX in Texas is seeking a Software Development Test Engineer for Starlink to design, build, and maintain hardware-in-the-loop testbeds and to create flight-like testing environments for Starlink software.

You will collaborate with multidisciplinary teams to scale HITL capabilities, ensure robust test coverage, and troubleshoot results to prevent production issues. The role demands strong engineering fundamentals and hands-on testing experience.