Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Sabaresh

Bengaluru,KA

Summary

With 15 years of experience in the wireless telecom and IT industry, I bring a solution-oriented approach. I have developed expertise in LTE/LTE-A/5G Modem stack and eNodeB/gNodeB RAN System test validation and debugging. My leadership and problem-solving skills elevate team performance through strategic guidance and technical expertise.

Overview

16
16
years of professional experience
1
1
Certificate

Work History

Senior Technical Lead

Parallel Wireless
06.2021 - 05.2025
  • Test Planning, Reviewing and Test execution for LTE/5G Access stack Functionalities of eNodeB/gNodeB Features
  • Acceptance Test and Customer support for Field Issues
  • E2E System level bring-up and Deployment of VMs based on Kubernetes, AWS EKS and FOCOM
  • Hands on with Agile Methodology and Scrum Model
  • Feature test validation on ORAN 4G/5G RIC - Traffic Steering, Energy Savings, Sleeping cell use cases
  • DCFI, Service Based Handover, TTI Bundling, 4G Mobility Load Balancing, 4G Neighbor Management Enhancement, 4G-5G Mobility , 4G 3CC CA and Stability tests.
  • 5G SA /NSA Acceptance tests for Customer POCs
  • Validation of Channel emulation/Fading scenarios with hands on Azimuth Emulator and Keysight PropSIM
  • Automation of Critical test cases with Robot Automation Framework
  • Individual contributor as well Mentorship small team for QA
  • Consolidation of RCA and follow up with PLM


Project Lead

L&T Tech services
02.2018 - 06.2021
  • Involved in WWAN/RIL Validation for Functional/KPI/MBIM scenarios
  • System Level Analysis on Stress test
  • Debugging of Controlled Live Automation Test Suites and Issues
  • Involved in Modem Log analysis for KPI Data throughput Test issues in Field/Conformance/System testing
  • Follow up and closure of the issue through Clear quest/JIRA

Technical Lead

Aricent Technologies (Altran)
05.2017 - 02.2018
  • Involved in log analysis support for Test issues in Carrier Acceptance Testing
  • Analysis of logs for Multi RAT scenarios in LTE/3G
  • Consolidation of RCA and regular follow up during T-Mobile/Sierra-Wireless Certification test by interaction with Client

Lead Engineer

Samsung Semiconductor India
10.2012 - 05.2017
  • Executed LTE-UE 3GPP PTCRB/GCF/ ATT/T-Mobile 10776 test cases for several devices using Anite and Anritsu test platform
  • Experience with basic Anritsu RTD scripting and debugging of Script issues
  • Experience in handling various Field test activities for Call drop, Data performance, Data throughput issues
  • Good working knowledge on the Network Simulators and hands on experience with Network simulator tools of Anite Conformance Toolset, Anite Stand Alone Simulator, Comprion IT3-prove, Anritsu RTD, and R&S CMW 500
  • Expertise at setting test equipment PICS/PIXIT on various test platforms for any 3GPP-capable mobile
  • Effective Interaction/Communication with operators/customer to run the assigned task in efficient way
  • Raising issues and follow-up with development engineers for issue debugging
  • Provided Frequent onsite support in Samsung HQ and provided full support during the commercialization stages of flagship Models
  • Supported Third party testing support during CMCC certification in HQ

Software Engineer

Sasken communications
05.2011 - 09.2012
  • Analysis of logs of modem, received from System testing
  • Analysis of Issues like Call drop (CS/PS) and Mobile phone crashes
  • DATA stall / Throughput Issues in MultiRab scenario and MSIM Collision scenarios

Technical Consultant

Watchdata Technologies
09.2009 - 05.2011
  • Preparation of pre-personalization and personalization Script files for the Idea, Airtel, Tata and Aircel Specifications.
  • Preparation of SIM Application toolkit for Menus like Airtel Live, Airtel M-campus.
  • Development of the application for the Dual IMSI profile.
  • Analysis of the SIM logs received from the field test issues and reporting.

Education

B.E. - ECE

Jayaram College of Engineering and Technology

HSC -

S.M.B Matriculation Higher Secondary School

SSLC -

M.S.P Solainadar Higher Secondary School

Skills

  • Technical mentorship
  • Stakeholder collaboration
  • Functional specification analysis
  • Customer Defect Gap analysis
  • Experience in 5G and LTE technology
  • ORAN-SC RIC/xAPPs/rAPPs
  • Kubernetes, Linux, REST API
  • Openstack, SMO, AWS EKS
  • POSTMAN , IPERF, QXDM/QCAT
  • Kibana and Data Visualization
  • Experience with Aeroflex TM500 and Amarisoft
  • Scrum practices
  • Proficient in JIRA management , X-Rays
  • Python and Robot Framework
  • Automated integration processes

Certification

  • Professional Scrum Master I (PSM I), https://scrum.org/certificates/1057226
  • Amazon Web Services Cloud Practitioner, UC-5ddb9947-bd2a-41d7-8162bf7972c89390
  • REST APIs, UC-a0a0d76e-4658-4c0b-b1f3-1325ae8a991d
  • Kubernetes for Absolute Beginners, UC-7753308e-d624-4495-bd94-7ba2f31e1db4
  • Python Data Representations, Rice University, 9RJPPHCU967F
  • Openstack and NFV,UC-6c18e801-aa9e-4c85-af18-ca1b0aea69e8

Timeline

Senior Technical Lead

Parallel Wireless
06.2021 - 05.2025

Project Lead

L&T Tech services
02.2018 - 06.2021

Technical Lead

Aricent Technologies (Altran)
05.2017 - 02.2018

Lead Engineer

Samsung Semiconductor India
10.2012 - 05.2017

Software Engineer

Sasken communications
05.2011 - 09.2012

Technical Consultant

Watchdata Technologies
09.2009 - 05.2011

HSC -

S.M.B Matriculation Higher Secondary School

SSLC -

M.S.P Solainadar Higher Secondary School

B.E. - ECE

Jayaram College of Engineering and Technology

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