E-Space
Wireless Test Engineer – 4G/5G PHY & Stack
About this role
E-Space seeks a Wireless Test Engineer to validate 4G/5G communications systems for their LEO satellite constellation and ground infrastructure. You'll design and execute test strategies for 3GPP-based wireless features, focusing on physical layer and protocol stack verification while collaborating across engineering teams.
What you'll do
- Develop and maintain automated test suites for 4G/5G PHY and protocol stack validation
- Design test strategies for 3GPP-based wireless features
- Analyze logs, pcap traces, and test data to identify and resolve issues
- Collaborate with software, systems, and RF engineers to troubleshoot and close defects
- Ensure test coverage and validation for space and ground product deployments
- Own the test environment and infrastructure for wireless communications testing
What they're looking for
- 4G/5G wireless communications testing
- 3GPP protocol knowledge
- Physical layer (PHY) testing
- Protocol stack verification
- Test automation development
- Log and pcap trace analysis
- RF/wireless systems understanding
- Cross-functional collaboration
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E-Space
E-Space builds LEO satellite constellations and ground infrastructure for global IoT and wireless communications, with advanced solar power systems. The company is hiring across manufacturing engineering, wireless systems validation, modem software development, network protocols, and specialized materials engineering roles.
View all jobs at E-SpaceLikely interview questions
- What experience do you have testing 3GPP-based wireless systems, and can you walk us through a specific 4G/5G PHY layer issue you debugged?
- Describe your experience with protocol stack verification tools and methodologies—which tools have you used most frequently for analyzing wireless performance?