Description
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Requirements
1. 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
1. 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 diverse team of highly talented people in an open, laidback environment — or even abroad in one of our global centers or client facilities!
Work-Life Balance: GlobalLogic prioritizes work-life balance, which is why we offer flexible work schedules, opportunities to work from home, and paid time off and holidays.
Professional Development: Our dedicated Learning & Development team regularly organizes Communication skills training(GL Vantage, Toast Master),Stress Management program, professional certifications, and technical and soft skill trainings.
Excellent Benefits: We provide our employees with competitive salaries, family medical insurance, Group Term Life Insurance, Group Personal Accident Insurance , NPS(National Pension Scheme ), Periodic health awareness program, extended maternity leave, annual performance bonuses, and referral bonuses.
Fun Perks: We want you to love where you work, which is why we host sports events, cultural activities, offer food on subsidies rates, Corporate parties. Our vibrant offices also include dedicated GL Zones, rooftop decks and GL Club where you can drink coffee or tea with your colleagues over a game of table and offer discounts for popular stores and restaurants!
About GlobalLogic
GlobalLogic, a Hitachi Group Company, is a trusted digital engineering partner to the world’s largest and most forward-thinking companies. Since 2000, we’ve been at the forefront of the digital revolution – helping create some of the most innovative and widely used digital products and experiences. Today we continue to collaborate with clients in transforming businesses and redefining industries through intelligent products, platforms, and services.
