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VoLTE / 5G Test Engineer
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Important Note – Please Read Before Applying❌ Do NOT apply if: • You have less than 4 years of hands-on experience with VoLTE, 5G SA/NSA, or IMS testing. • You lack knowledge of end-to-end LTE/5G call flows across RAN → Core → Device. • You have never worked on test planning, automation, or integration planning. • You are seeking a remote-only opportunity — this role requires hybrid work in India. • You are currently serving a notice period longer than 15 days. Job Title: VoLTE / 5G Test Engineer Location: India (Hybrid – Must be available during Pacific Time working hours) Experience: 4–10 Years Employment Type: Full-Time / Permanent Notice Period: Immediate Joiners / ✅ Apply ONLY if you meet all the above criteria. Irrelevant applications will not be considered.🏢 About the CompanyOur client is a global leader in next-gen telecom, IoT, and wireless infrastructure. With operations in over 40 countries, they empower telecom providers with intelligent solutions in network automation, 5G testing, and end-to-end service assurance.🛠️ Job DescriptionWe are seeking an experienced VoLTE / 5G Test Engineer to lead the design, development, and execution of end-to-end testing strategies for advanced wireless services. The ideal candidate will have strong telecom protocol knowledge, hands-on experience with automation, and the ability to work across multidisciplinary teams.🎯 Key ResponsibilitiesLead test planning, case creation, peer reviews, and execution for VoLTE/5G/IMS featuresDevelop detailed test documentation: TOL, Test Plan, Integration Plan, and TRG SheetsWrite automation requirements and collaborate with development teams for test automationDefine health check tests for lab environments (Lab Awesome / similar)Coordinate with RAN, Device, SIM, and Core teams for end-to-end integrationTroubleshoot complex issues across wireless network layersEnsure adherence to test best practices and quality standardsStay updated with latest 5G SA/NSA, LTE, and IMS enhancements and releases✅ Mandatory Skills5+ years of hands-on experience in VoLTE, VoNR, 5G SA/NSA, IMS call flowsIn-depth protocol knowledge: ◦ SIP, RTP, Diameter, GTPv2-C, GTPv1-U, S1AP, MGCP, H.248, TCAP, SDP, HTTPExpertise in features such as: VoWiFi, UCE, UT, USSI, IR92, IR94, AS262 HO, RTT, WPS, N11, S8HR, International WiFiStrong understanding of LTE EPC and 5GC architecture (AMF, SMF, UPF, etc.)Familiarity with NATing, firewalls, and proxy behavior in packet core networksHands-on experience with real UE and simulation-based automation toolsExcellent analytical, documentation, and troubleshooting skills🧩 Preferred Domain ExperiencePrior experience working in Tier-1 telecom, OEMs, or system integratorsFunctional experience in Wireless Core Networks, RAN, or End-to-End service validationExposure to Agile environments, DevOps, CI/CD workflows, and version control system
