Job code
IRC295855
Published on 26 June 2026

Senior Technical Architect / Consultant – 5G RAN Performance & Troubleshooting (10–15 Years of Experience) IRC295855

Function

Software Product Engineering

Experience

10-15 years

Location

India - Bangalore

Skills

3GPP, 5G, C/C++, Debugging, L1/L2, L3, Linux, LTE, Telecom-Wireless

Work Model

Hybrid

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Description

Requirements

2. Senior Technical Architect / Consultant – 5G RAN Performance & Troubleshooting
(10–15 Years of Experience)
Location: Bangalore

Job Description:
We are seeking a highly experienced telecom professional with strong expertise in 5G RAN architecture, multi-vendor integration, customer troubleshooting, and performance optimization. The candidate should have worked across multiple OEM/NEP platforms and should possess deep experience in debugging complex network and protocol-level issues in commercial deployments.
The ideal candidate should have hands-on exposure to various telecom codebases, customer deployments, and end-to-end performance analysis involving UE, gNB, and Core Network interactions.

Key Responsibilities:
Technical Leadership & Architecture
• Lead complex troubleshooting activities for 4G/5G RAN customer issues across multiple deployments.
• Provide architectural guidance for Baseband, RAN, and protocol stack-related problem resolution.
• Participate in technical reviews, feature discussions, and performance optimization activities.
• Collaborate with development, integration, system engineering, and customer support teams.

Performance & System Analysis
• Analyze and debug:
◦ Throughput degradation
◦ Scheduler performance issues
◦ UL/DL BLER degradation
◦ Latency issues
◦ Mobility failures
◦ Resource allocation inefficiencies
◦ Intermittent field issues
• Deep understanding of MAC scheduler behavior, radio resource management, HARQ, QoS handling, and traffic optimization.
• Strong expertise in identifying bottlenecks across PHY/MAC/RLC/PDCP/RRC layers.

Multi-Vendor & Customer Exposure
• Experience working with multiple OEMs/NEPs and telecom operators.
• Ability to understand and debug different telecom codebases and architecture implementations.
• Hands-on exposure to interoperability issues between UE, RAN, and Core vendors.
• Experience supporting customer escalations and field deployments globally.

Protocol & Log Analysis
• Expert-level understanding of:
◦ LTE/5G NR signaling
◦ RRC procedures
◦ Scheduler behavior
◦ Control plane and user plane flows
• Perform deep protocol analysis using tools like: Wireshark, QCAT/QXDM, TEMS, Viavi
• Internal log analysis frameworks
• Ability to correlate logs across multiple network nodes and layers.

Leadership & Stakeholder Management
• Mentor engineering and troubleshooting teams.
• Drive root-cause analysis discussions and customer technical reviews.
• Coordinate with global stakeholders and cross-functional teams.
• Lead triage activities and prioritize critical customer issues.

Required Skills & Qualifications
• Strong experience in 4G LTE and 5G NR RAN technologies.
• Excellent understanding of L1/L2/L3 architecture and telecom protocol stacks.
• Experience in Baseband software, scheduler debugging, or protocol stack development.
• Strong C/C++ debugging and system analysis knowledge.
• Familiarity with Linux systems and telecom embedded environments.
• Strong customer communication and technical presentation skills.

Preferred Qualifications
• Experience in developing & Integrating L1/L2/L3 stack RAN or UE side.
• Experience in O-RAN/vRAN/cloud-native RAN deployments.
• Experience in carrier acceptance testing and live network optimization.
• Prior experience as Technical Lead, Consulta

Job responsibilities

2. Senior Technical Architect / Consultant – 5G RAN Performance & Troubleshooting
(10–15 Years of Experience)
Location: Bangalore

Job Description:
We are seeking a highly experienced telecom professional with strong expertise in 5G RAN architecture, multi-vendor integration, customer troubleshooting, and performance optimization. The candidate should have worked across multiple OEM/NEP platforms and should possess deep experience in debugging complex network and protocol-level issues in commercial deployments.
The ideal candidate should have hands-on exposure to various telecom codebases, customer deployments, and end-to-end performance analysis involving UE, gNB, and Core Network interactions.

Key Responsibilities:
Technical Leadership & Architecture
• Lead complex troubleshooting activities for 4G/5G RAN customer issues across multiple deployments.
• Provide architectural guidance for Baseband, RAN, and protocol stack-related problem resolution.
• Participate in technical reviews, feature discussions, and performance optimization activities.
• Collaborate with development, integration, system engineering, and customer support teams.

Performance & System Analysis
• Analyze and debug:
◦ Throughput degradation
◦ Scheduler performance issues
◦ UL/DL BLER degradation
◦ Latency issues
◦ Mobility failures
◦ Resource allocation inefficiencies
◦ Intermittent field issues
• Deep understanding of MAC scheduler behavior, radio resource management, HARQ, QoS handling, and traffic optimization.
• Strong expertise in identifying bottlenecks across PHY/MAC/RLC/PDCP/RRC layers.

Multi-Vendor & Customer Exposure
• Experience working with multiple OEMs/NEPs and telecom operators.
• Ability to understand and debug different telecom codebases and architecture implementations.
• Hands-on exposure to interoperability issues between UE, RAN, and Core vendors.
• Experience supporting customer escalations and field deployments globally.

Protocol & Log Analysis
• Expert-level understanding of:
◦ LTE/5G NR signaling
◦ RRC procedures
◦ Scheduler behavior
◦ Control plane and user plane flows
• Perform deep protocol analysis using tools like: Wireshark, QCAT/QXDM, TEMS, Viavi
• Internal log analysis frameworks
• Ability to correlate logs across multiple network nodes and layers.

Leadership & Stakeholder Management
• Mentor engineering and troubleshooting teams.
• Drive root-cause analysis discussions and customer technical reviews.
• Coordinate with global stakeholders and cross-functional teams.
• Lead triage activities and prioritize critical customer issues.

Required Skills & Qualifications
• Strong experience in 4G LTE and 5G NR RAN technologies.
• Excellent understanding of L1/L2/L3 architecture and telecom protocol stacks.
• Experience in Baseband software, scheduler debugging, or protocol stack development.
• Strong C/C++ debugging and system analysis knowledge.
• Familiarity with Linux systems and telecom embedded environments.
• Strong customer communication and technical presentation skills.

Preferred Qualifications
• Experience in developing & Integrating L1/L2/L3 stack RAN or UE side.
• Experience in O-RAN/vRAN/cloud-native RAN deployments.
• Experience in carrier acceptance testing and live network optimization.
• Prior experience as Technical Lead, Consulta

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.

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