Bujji Ch
Senior Engineer @Wipro
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WORK HISTORY
Senior Engineer @Wipro
Ericsson – RDS Indoor, Canada (Feb 2025 – Present)Roles & Responsibilities:• Conduct pre-study of new radio feature documentation (DTAR, OTAR, NDS).• Develop test cases for new radio features and prepare corresponding lab setups.• Performed Mobility, Handovers Xn and NGAP (Intra & inter frequency) and throughput testing.• Execute test cases within defined timelines and ensure high-quality test coverage.• Support feature releases for customer field trials and handle post-release escalations.• Configure eNodeB and gNodeB in lab environments.• Perform RAN parameter tuning and feature/device-level testing.• Provide daily RAN support including testing, setup, monitoring, and software upgrades.• Track and manage defects using JIRA and MHWeb.• Completed on-site work for MR2049 radio feature testing.Telstra – Device Certification, Bengaluru (Aug 2023 – Jan 2025)Roles & Responsibilities:• Receive customer devices, flash new builds, and perform sanity testing.• Test a wide range of devices including Samsung, Google Pixel, Motorola, and Oppo.• Conduct handover testing (Inter & Intra) and VoLTE sanity validation.• Verify eCall functionality across 4G and 5G networks, including APN-related testing.• Validate NR registration for 5G eCalls.• Perform FOTA upgrades from older to newer builds.• Execute spec sheet validation on LTE, NSA, and SA across pSIM, eSIM, and DSDS.Mavenir – System Testing, Bengaluru (Sep 2022 – Jul 2023)Roles & Responsibilities:• Perform O-RAN system testing for Airtel customer deployments.• Work extensively with CU, DU, and RU components for end-to-end validation.• Download and validate builds and Helm charts received from the customer.• Execute feature testing including handovers and throughput validation.• Capture network-level logs (PCAP) and analyze them using Wireshark.
EDUCATION
Vikas College of Engineering & Technology
Diploma in electrical , Electrical and Electronics Engineering
Jawaharlal Nehru Technological University
Bachelor of Technology - BTech, Electrical and Electronics Engineering
Goutham public school
Ssc
ABOUT BUJJI CH
End-to-end system bring-up experience for O-RAN architecture• Hands-on expertise with CU/DU Open Network Architecture• Strong understanding of LTE protocol layers: RRC, RLC, MAC, PDCP, and PHY• Practical experience working with 5G NR technologies and SA/NSA call flows• Skilled in test execution, log analysis, defect reporting, and defect tracking• Excellent communication, presentation, and analytical skills• Highly motivated, collaborative, and effective in fast-paced environments• Experience with Intel chipsets 7560 & 7660 (regression testing)• Proficient with tools: Wireshark, QXDM, QCAT, SDM, ST, and Vyser• Familiar with bug-tracking tools such as JIRA
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