5G NR RAN Troubleshooter & Customer Support Engineer IRC295854

Job description

**Description** – **Requirements** - 5G NR RAN Troubleshooter & Customer Support Engineer (5–10 Years of Experience) Location: Bangalore Job Description: We are looking for an experienced telecom professional with strong expertise in 5G NR RAN troubleshooting, protocol stack analysis, and customer issue resolution. The candidate should have hands-on experience in debugging field/customer issues in gNB/Baseband systems and collaborating with cross-functional teams (XFT) for issue resolution. The ideal candidate should possess deep understanding of 5G call flows, Layer1/Layer2/Layer3 interactions, and protocol stack behavior across UE, gNB, and Core Network. Job Responsibilities: Wireless Domain Expertise - Strong understanding of 3GPP specifications for LTE and 5G NR. - Good knowledge of 5G NR protocol stack including PHY, MAC, RLC, PDCP, RRC, and NAS procedures. - Expertise in End-to-End call flows including: - Initial Access (RACH) - Registration - PDU Session Establishment - Handover - Re-establishment - Release procedures - Strong understanding of gNB–UE communication flows and signaling procedures. - Experience in analyzing customer-reported issues from field/frontdesk teams and narrowing down root causes. Troubleshooting & Debugging - Perform L1/L2/L3 log analysis to isolate issues between UE, gNB, and Core. - Debug throughput degradation, call drops, attach failures, latency, mobility, and stability issues. - Work closely with XFT/development teams to reproduce and resolve customer issues. - Analyze protocol traces using tools such as Wireshark, QXDM/QCAT, Amarisoft, TEMS, or internal logging tools. - Ability to identify whether issues are related to PHY, scheduler, MAC, RLC, PDCP, RRC, transport, or Core Network. Development & Integration Exposure - Prior experience in Baseband/RAN software development or feature debugging. - Good understanding of embedded systems and telecom software architecture. - Exposure to L1/L2/L3 development environments in telecom products. - Familiarity with Linux-based debugging environments and scripting. Tools & Environment - Experience with UE simulators, traffic generators, and protocol analyzers. - Hands-on exposure to debugging tools and internal telecom logging frameworks. - Familiarity with Jira, Git, CI/CD pipelines, and Agile methodologies. - Knowledge of Bash/Python scripting for log parsing and automation is an added advantage. **Preferred Qualifications** - Experience in Nokia/Samsung/Huawei/other OEM telecom products. - Experience supporting customer deployments and live network issues. - Exposure to O-RAN architecture and virtualization concepts. - Strong analytical and communication skills. - Ability to work in fast-paced customer support environments. Job responsibilities - 5G NR RAN Troubleshooter & Customer Support Engineer (5–10 Years of Experience) Location: Bangalore Job Description: We are looking for an experienced telecom professional with strong expertise in 5G NR RAN troubleshooting, protocol stack analysis, and customer issue resolution. The candidate should have hands-on experience in debugging field/customer issues in gNB/Baseband systems and collaborating with cross-functional teams (XFT) for issue resolution. The ideal candidate should possess deep understanding of 5G call flows, Layer1/Layer2/Layer3 interactions, and protocol stack behavior across UE, gNB, and Core Network. Job Responsibilities: Wireless Domain Expertise - Strong understanding of 3GPP specifications for LTE and 5G NR. - Good knowledge of 5G NR protocol stack including PHY, MAC, RLC, PDCP, RRC, and NAS procedures. - Expertise in End-to-End call flows including: - Initial Access (RACH) - Registration - PDU Session Establishment - Handover - Re-establishment - Release procedures - Strong understanding of gNB–UE communication flows and signaling procedures. - Experience in analyzing customer-reported issues from field/frontdesk teams and narrowing down root causes. Troubleshooting & Debugging - Perform L1/L2/L3 log analysis to isolate issues between UE, gNB, and Core. - Debug throughput degradation, call drops, attach failures, latency, mobility, and stability issues. - Work closely with XFT/development teams to reproduce and resolve customer issues. - Analyze protocol traces using tools such as Wireshark, QXDM/QCAT, Amarisoft, TEMS, or internal logging tools. - Ability to identify whether issues are related to PHY, scheduler, MAC, RLC, PDCP, RRC, transport, or Core Network. Development & Integration Exposure - Prior experience in Baseband/RAN software development or feature debugging. - Good understanding of embedded systems and telecom software architecture. - Exposure to L1/L2/L3 development environments in telecom products. - Familiarity with Linux-based debugging environments and scripting. Tools & Environment - Experience with UE simulators, traffic generators, and protocol analyzers. - Hands-on exposure to debugging tools and internal telecom logging frameworks. - Familiarity with Jira, Git, CI/CD pipelines, and Agile methodologies. - Knowledge of Bash/Python scripting for log parsing and automation is an added advantage. **Preferred Qualifications** - Experience in Nokia/Samsung/Huawei/other OEM telecom products. - Experience supporting customer deployments and live network issues. - Exposure to O-RAN architecture and virtualization concepts. - Strong analytical and communication skills. - Ability to work in fast-paced customer support environments. What we offer **Exciting Projects:** We focus on industries like High-Tech, communication, media, healthcare, retail and telecom. Our customer list is full of fantastic global brands and leaders who love what we build for them. **Collaborative Environment:** You Can expand your skills by collaborating with a diver