US_East | Software Developer - Testing Tools/Automation/Performance _L2

QA EngineerMountain View, CARequired Skills:NTN, NR, LTE, and IMS protocol stack development and testingPython and Shell scripting for automation framework developmentFunctional, Regression, Sanity, and Feature testingLog analysis using QXDM, QPST, QCAT, Shannon Tools, and Android debugging toolsExperience with 5G/LTE call box testing tools such as Keysight UXM 5G, Anritsu, CMW500, and CMW100Job Description:We are seeking a QA Engineer with 6–8 years of experience in NTN, NR, LTE, and IMS protocol stack development and testing. The ideal candidate will have strong experience in automation framework development using Python and Shell scripting, along with hands-on expertise in telecom testing environments.The candidate should be well versed in testing strategies for NTN (Non-Terrestrial Networks), including Skylo and Starlink testing, Telephony, and eSIM validation.Key Responsibilities:Perform Functional, Regression, Sanity, and Feature testing for NTN, Telephony, and eSIMExecute CBRS (5G Private Network Testing) with operators such as Charter and XfinityValidate Network Slicing, Unified Call Logs, NTN, and T911 to eSOS functionalitiesAnalyze logs using Android debugging tools, QXDM, QPST, QCAT, Shannon Tools, and related utilitiesUse Keysight E7515 UXM 5G, Anritsu MT8475B, CMW500, and CMW100 call boxes to validate NR, LTE, IMS, and L+GWL call flows and handoversPerform issue triaging and debugging reported by field test teamsConduct protocol and modem log analysis using Shannon DM, QXDM, and QCAT toolsQualifications:6–8 years of experience in telecom protocol stack development and testingStrong understanding of NTN, NR, LTE, IMS, Telephony, and eSIM technologiesExperience with automation scripting using Python and Shell scriptingHands-on experience with telecom testing and debugging toolsStrong analytical and troubleshooting skillsGood communication skillsPreferred Skills:Experience with immediate or fast-paced project onboardingExposure to private 5G network testing and operator certification environments Top of Form"All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran."