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