5G RAN Protocol / End-to-End Test Engineer | Bangalore, India

Tech Junction Ltd; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

HSC in Bangalore, India seeks an experienced 5G RAN Protocol / End-to-End Test Engineer to validate LTE and 5G RAN products. You will perform protocol testing, KPI analysis, performance benchmarking, and troubleshooting within O-RAN-aligned architectures.

The role requires hands-on experience with telecom testing platforms, protocol debugging, and 3GPP standards knowledge. Collaboration with product, system engineering, and automation teams is essential.

Qualifications

• Bachelor's degree in Telecommunications/ Electronics/ Computer Engineering or related field.
• Experience in LTE and/or 5G telecom product end-to-end testing.
• Strong knowledge of 3GPP LTE TDD/FDD specifications and 5G NR architecture.

Responsibilities

• Perform end-to-end testing and validation of LTE and 5G RAN products.
• Execute protocol-level analysis, troubleshooting, and debugging activities.
• Analyze signaling procedures and call flows across LTE and 5G networks.
• Perform KPI validation, throughput analysis, and performance benchmarking.
• Support system-level testing in CU/DU split architectures aligned with O-RAN standards.
• Design, execute, and maintain test cases and test plans.
• Support automation frameworks and scripting for testing activities.
• Validate interoperability and feature performance across LTE and 5G deployments.
• Conduct log analysis and troubleshooting using industry-standard tools.
• Work with development and product teams to resolve defects.
• Prepare test reports, defect documentation, and validation summaries.
• Contribute to continuous improvement of test methodologies and automation processes.

Skills

LTE & 5G testing

3GPP protocol analysis

KPI validation

Python automation

Troubleshooting

Communication & documentation

Education

Bachelor's degree in Telecommunications/Electronics/Computer Engineering or related field

Tools

TM500 test system

Qualcomm testing tools

RuSIM environments

Linux

Jenkins CI/CD

Kubernetes

Job description

Job Title: 5G RAN Protocol / End-to-End Test Engineer | Bangalore, India

Hiring Company: HSC

Job Location: Bangalore, India

Job Type: Full-Time

Requirement Type: Anticipatory Requirement

Availability: Immediate Joiners Preferred

Industry: Telecommunications | 5G | RAN Testing | Wireless Networks

Position Summary

HSC is seeking an experienced 5G RAN Protocol / End-to-End Test Engineer to support advanced LTE and 5G product validation activities. This role focuses on protocol testing, end-to-end validation, KPI analysis, performance benchmarking, and troubleshooting of next-generation wireless network products within O-RAN-aligned architectures.

Detailed Job Description

As a 5G RAN Protocol / E2E Test Engineer, you will be responsible for validating LTE and 5G RAN solutions through comprehensive testing, protocol analysis, debugging, automation, and performance verification activities. You will work closely with product development, system engineering, integration, and automation teams to ensure network features meet functional, performance, and interoperability requirements.

The role requires strong expertise in 3GPP standards, protocol analysis, KPI validation, and end-to-end testing across LTE and 5G environments. Candidates should possess hands-on experience with telecom testing platforms, protocol debugging, and O-RAN architectures.

Key Responsibilities

• Perform end-to-end testing and validation of LTE and 5G RAN products.
• Execute protocol-level analysis, troubleshooting, and debugging activities.
• Analyze signaling procedures and call flows across LTE and 5G networks.
• Perform KPI validation, throughput analysis, and performance benchmarking.
• Support system-level testing in CU/DU split architectures aligned with O-RAN standards.
• Design, execute, and maintain test cases and test plans.
• Support automation frameworks and scripting for testing activities.
• Validate interoperability and feature performance across LTE and 5G deployments.
• Conduct log analysis and troubleshooting using industry-standard tools.
• Work closely with development and product teams to resolve identified defects.
• Prepare test reports, defect documentation, and validation summaries.
• Contribute to continuous improvement of test methodologies and automation processes.

Required Qualifications & Skills

• Bachelor’s Degree in Telecommunications Engineering, Electronics Engineering, Computer Engineering, or a related field.
• Strong experience in LTE and/or 5G Telecom Product End-to-End Testing.
• Deep understanding of 3GPP LTE TDD and FDD specifications.
• Hands-on experience with 3GPP conformance and protocol testing.
• Strong knowledge of 5G NR architecture and ENDC functionality.
• Experience with Qualcomm testing and debugging tools.
• Hands-on experience using TM500 test systems.
• Experience with RuSIM environments.
• Strong Linux operating system experience.
• Python scripting experience for automation, debugging, and log analysis.
• Experience developing and executing test plans and test cases.
• Exposure to O-RAN architectures and CU-DU deployment models.
• Strong analytical and troubleshooting capabilities.
• Excellent communication and documentation skills.

Good-to-Have Skills

• Knowledge of O-RAN interfaces and deployment architectures.
• Experience with Jenkins and CI/CD automation environments.
• Knowledge of Kubernetes and containerized telecom environments.
• Exposure to 5G Standalone (SA) architecture and advanced features.
• Experience with AI-assisted testing, analytics, or automation tools.
• Familiarity with cloud-native RAN environments.

Ideal Candidate Profile

• LTE & 5G RAN Testing Expertise
• Protocol Debugging & Call Flow Analysis
• KPI Validation & Benchmarking
• O-RAN / CU-DU Architecture Knowledge
• Python Automation Skills
• Qualcomm / TM500 / RuSIM Experience
• Strong Telecom Product Validation Background

Recruitment Pro Tip

For 5G testing roles, employers highly value candidates who can demonstrate hands-on protocol troubleshooting experience. Highlight specific LTE and 5G features tested, protocol issues resolved, KPIs improved, automation scripts developed, and experience with TM500, Qualcomm tools, RuSIM, O-RAN, and ENDC testing. Quantifiable testing achievements and defect-resolution contributions will significantly improve your chances of being shortlisted.