Summary
Overview
Work History
Education
Skills
Timeline
Generic

Vijay Chander

Morrisville,NC

Summary

Enthusiastic Electrical Engineer with MSc in Engineering Management & Information Systems Security eager to contribute to team success through hard work, attention to detail, and excellent organizational skills. Result-driven and clear understanding of Radio Frequency Data, Quality Assurance Analyst, and Network Optimization Engineer roles in the telecommunications industry with 8+ years of local and international experience.

Overview

7
7
years of professional experience

Work History

QA Engineer on Comcast DSDS Project

Verizon
Deerfield, IL
11.2021 - Current
  • Technical ownership of Xfinity Mobile DSDS Test Plan and Certification
  • Troubleshoot failures and performance shortcomings and work with the development team on reproduction, root cause analysis, fix verification and bug/limitation documentation
  • Designing E2E Test Plans and User Guides based on supporting Certification Process through commercial launch of DSDS devices
  • Conduct comprehensive validation of Android features on Pixel and OEM devices, ensuring optimal user experience and functionality
  • Manage verification, functional and UI/UX testing across multiple OEM devices, with expertise in Android Dialer, Messaging, and Settings, while proficiently analyzing Android-platform logs and performing manual flashing tasks when necessary
  • Lead the Device Testing Team to execute the Test Plan within the timeline, supporting mobile field trials for Pre-Lab Entry testing and validation, and driving collaboration with multiple OEMs from Pre-Lab Entry to Lab Entry, ensuring readiness for Technical Approval
  • Expertise in debugging, analyzing and root causing user plane protocol stack and application layer
  • Expertise in multiple OS platforms testing and day to day testing of Android telephony features
  • Develop and execute test strategies, plans, and validate UE functionality on 5G (NR SA) DSDS air interface
  • Driving enhancements and Optimizations to improve performance of UE and network stability
  • Direct engagement with OEM SMEs like Samsung, Google, Moto
  • Weekly interactions about device issues with OEMs and delivering insightful weekly dashboard presentations to department heads and PMs
  • Keeping trackers of the JIRAs to support the progress of OEMs
  • Expertise and ownership of writing and maintaining Wikis/Confluences for all projects I worked on
  • Directly involved in executing TS43 test cases to summarize and present results to higher management
  • Leveraged expertise in working with various test equipment (Network Simulators) including Spirent, Nomad for Call Performance, Octobox, Airspan, and Keysight, ensuring thorough and accurate testing methodologies were employed.

Radio Network Optimizer on Saudi Zain SOPHIA & Saudi Mobily RISE Projects

T-Mobile
Indianapolis, IN
08.2020 - 10.2021
  • KPIs Optimization
  • Checking of the KPIs and optimizing the degraded KPIs
  • SSV Submission to FL/Customer, KPI Rechecking till SSV acceptance
  • Daily KPIs analysis at site level GSM (2G)/UMTS (3G)/LTE (4G)/NR (5G)
  • Proposed changes to improve the network through soft & hard parameters
  • Neighbor mapping
  • Good hands-on improving coverage holes
  • Collaboration with operations, implementation & core teams for rectification of issues
  • SSV Submission for TDD and FDD with analysis of FDD to TDD Traffic Shift Comparison also traffic shift from UMTS to TDD
  • Network Performance Statistical Data Analysis using tools (U2000, U2020, PRS & IMAOS) and maintaining KPIs above the Target values
  • KPI Monitoring for all major KPI of GSM (2G), UMTS (3G), LTE (4G) & NR (5G)
  • Benchmarking for newly integrated sites
  • Validating the SSV (Single Site Verification) for the LTE-FDD-TDD project to spot any discrepancies before submission to customer
  • Perform sites parameters audit during the Initial Optimization including Antenna Clearance, Electrical and Mechanical tilt settings
  • Worst Cells Handling: Take corrective action to bring them within the defined KPIs and Using pro-active approach to avoid the cells falling into worst cells criteria
  • Suggesting Parametric and Physical changes based on Statistical Performance and Drive Test and benchmarking
  • Highlighting hardware issues
  • Troubleshooting for CSFB, Carrier aggregation, SRVCC, Integrity, Latency, IRAT
  • Managing Project Sites tracker as per agreed SLA.

RF Engineer Data Analyst on Ufone NPM Project

SK Hynix
Milwaukee, Wisconsin
05.2017 - 07.2020
  • Post Processing, Analysis, Troubleshooting
  • Prepared daily status reports and weekly pre/post drive reports and supervised and trained quality engineers for testing
  • Analyzed the collected data for drop calls, coverage holes and setup failures
  • Member of HQ Management committee responsible for RFP evaluation of coverage enhancers
  • Handling customer complaints and providing feasible indoor/outdoor solutions by parametric and physical changes
  • Daily worst cell analysis from the statistical data to ensure optimum network quality by improving the KPIs degraded below the threshold values
  • WEB & Streaming KQIs analysis after data extraction from Aqua Data Studio using SQL
  • 4G LTE Launch Reporting comparing 3G co-located sites with 4G service area (Pre/Post) WEB and Streaming KQIs as well as TCP and 4G KPIs such as MO/MT CSFB Success Rate, Paging Success Rate and SMS Origination/Termination Success Rate, Downlink/Uplink Latency, RTT, Packet Loss Rate, and Retransmission Rate from SmartCare end
  • Supporting other Teams (PS Core/IP/Radio/Optimization) for operational issues by using Big Data (SmartCare) to find the root cause
  • Troubleshoot network/user problems by means of test, trace and analyze results to define root causes behind
  • Responsible for Weekly/Monthly/Yearly Report over different domains as per Customer/Management requirement.

Education

Master of Science - Electrical Engineering

San Francisco Bay University
Fremont, CA
12-2016

Skills

  • MS Office
  • Actix Analyzer
  • Network Configuration Tools
  • IMAOS
  • PRS (Performance Report Systems)
  • MapInfo Professional
  • Genex Assistant & Probe
  • QGIS
  • Atoll
  • Statistical Data Analysis
  • Python
  • QXDM/QCAT/Shannon/ELT
  • Wireshark
  • Drive/Device/App Testing
  • Nemo Outdoor & Analyzer
  • TEMS Investigation
  • SPSS (Statistical Package Software)
  • SQL
  • Google Earth for Planning new sites and neighbor Optimization
  • Planet EV
  • Aqua Data Studio
  • SnagIt
  • Comparison Analysis

Timeline

QA Engineer on Comcast DSDS Project

Verizon
11.2021 - Current

Radio Network Optimizer on Saudi Zain SOPHIA & Saudi Mobily RISE Projects

T-Mobile
08.2020 - 10.2021

RF Engineer Data Analyst on Ufone NPM Project

SK Hynix
05.2017 - 07.2020

Master of Science - Electrical Engineering

San Francisco Bay University

Similar Profiles

CREATE PROFILE
Vijay Chander