{"schemaVersion":"jobsearcher.job.v1","id":"488a780f568ce0ede7c1161b","url":"https://jobsearcher.com/jobs/488a780f568ce0ede7c1161b","canonicalUrl":"https://jobsearcher.com/jobs/488a780f568ce0ede7c1161b","title":"US_East | Software Developer - Testing Tools/Automation/Performance _L2","description":"QA EngineerWe 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 environmentsAll 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.","company":"Datum Technologies Group","rawCompany":"datum technologies group","city":"Mountain View","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-06-09T03:50:23.273Z","occupations":[{"code":"15-1253.00","title":"Software Quality Assurance Analysts and Testers","slug":"software-quality-assurance-analysts-and-testers"},{"code":"17-2112.02","title":"Validation Engineers","slug":"validation-engineers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"517112","title":"Wireless Telecommunications Carriers (except Satellite)","slug":"wireless-telecommunications-carriers-except-satellite"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"US_East | Software Developer - Testing Tools/Automation/Performance _L2","description":"QA EngineerWe 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 environmentsAll 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.","datePosted":"2026-06-09T03:50:23.273Z","dateModified":"2026-06-09T03:50:23.273Z","hiringOrganization":{"@type":"Organization","name":"Datum Technologies Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Mountain View","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"488a780f568ce0ede7c1161b"},"url":"https://jobsearcher.com/jobs/488a780f568ce0ede7c1161b"}}