Test Automation Engineer — 5G Core & Device Functions

E-Space•Saratoga, CA

1d•$140,000 - $160,000•Onsite

About The Position

E-Space is seeking a Test Automation Engineer to join their team. This role will focus on developing and maintaining a reliable, scalable validation infrastructure for 5G Core and device-side network functions. The engineer will work with both virtual and physical hardware environments, collaborating with senior engineers to implement and enhance automation solutions for next-generation wireless systems. The company's mission is to bridge Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services, building a highly-advanced low Earth orbit (LEO) space system.

Requirements

Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related discipline.
2–5 years of experience developing test automation for wireless, networking, embedded, or distributed systems.
Strong Python programming skills.
Good working knowledge of Linux, including shell scripting, networking, and system debugging.
Experience with Git and collaborative software development workflows.
Experience building and maintaining automated test suites.
Familiarity with CI/CD pipelines.
Experience working with virtualized environments such as VMware, Proxmox, or similar.
Strong problem-solving skills and a disciplined approach to debugging and defect tracking.

Nice To Haves

Experience with 5G Core or radio access network technologies.
Familiarity with RF test equipment such as spectrum analyzers, signal generators, or channel emulators.
Experience with Wireshark, tcpdump, or similar network analysis tools.
Exposure to Non-Terrestrial Networks (NTN), satellite communication

Responsibilities

Develop and maintain a scalable test automation framework across virtualized and physical deployments of 5G Core and device network functions.
Write Python automation scripts and test harnesses for functional, regression, integration, and performance testing.
Develop tools to automate packet capture and protocol-level analysis, verifying correct 5G stack behavior across interfaces.
Support hardware-in-the-loop testing involving embedded radio hardware and lab equipment.
Analyze automation failures, debug issues, and help distinguish product defects from infrastructure or automation framework issues.
Develop and maintain automation code using Git-based development workflows.
Own defect lifecycle management in Jira: reproduce issues, document them clearly, and track them through resolution.
Collaborate closely with software, platform, systems, and test engineers to improve automation coverage and test efficiency.