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