Raghul Premkumar

Experience

• 

  Cognizant Technology Solutions

  Aug 2007 - Oct 2008

  Programmer Analyst

  • Responsible for developing the VB.Net and C#.Net code using Microsoft Visual Studio 2005 and creating various COM+ applications for the client - MetLife Insurance Company• Worked in a team of twelve in designing and implementing the code for Real Estate Investment Origination System (REIOS) - Agriculture, a subsystem of the Insurance Company • Modified and remodeled the REIOS-Database (SQL Server 2005) and continuously monitored the database activities• Underwent training in basics of ADO.Net, Software testing and Software Development Life Cycle• Integrated the existing codes of two subsystems of MetLife – REIOS Agriculture and REIOS Commercial and performed Unit level testing and Integration testing• Developed the front-end screens by using ASP.Net for managing the report selection by the user. • Validated the user selection for the selected report and displayed the requested report based on the user selection. Show less

• 

  TeleworX

  Aug 2011 - Dec 2012

  RF Engineer

  Sprint 4G WiMAX Testing• Supervised a team of three for network and device testing of the Golden Devices(U-250, U-600, W-802, Google Nexus S, HTC EVO and Dell Andros) using Samsung and Huawei Wichorus RAN’s for various test cases at different lab conditions based on the signal coverage(CINR & RSSI)• Responsible for testing the Key Performance Indicators (KPI’s) such as CINR, RSSI, RTT and throughput of the Sprint’s WiMAX network at their OPS2 lab using the TeleworX Utopia and Accuver’s XCAL data collection tools• Performed customer perspective testing (Network Entry Time, ping latencies, RTT, Roaming and Handoffs) of U-601, U-250 and Indian Mi-Fi devices at different signal conditions(CINR)Sprint LTE FIT Market Testing• Performed extensive mobility and stationary LTE Field Interoperability Testing for three different Sprint’s OEM’s (Ericsson, ALU & Samsung) in various markets including Atlanta, San Antonio, Boston and Houston.• Implemented various test cases such as the throughput (TCP & UDP) performance validation using Iperf scripting, paging latency performance, cell reselection & X2 & S1 handover latency validation• Performed IRAT handover optimization by verifying the B2 event from the logs collected from the drive and assisted the LTE equipment vendors for troubleshooting any handover failures• Performed post-processing of all the log files collected during the field testing using Accuver’s XCAP tool and generated network performance metrics Show less

• 

  Azimuth Systems

  Jan 2013 - Apr 2018

  • Responsible for post-sales technical support and to provide technical solutions for complex test scenarios to various OEM’s and Network operators (QC, Apple RF & Design teams, Broadcom, Google, and Samsung etc.)• Support QC with the evaluation of Azimuth’s RNX channel emulator for LTE-Advanced interference cancellation techniques (eICIC, feICIC)• Develop Python and C# scripts that allow for the automation of the fader and other non-Azimuth devices/tools (Android UE, QXDM, Traffic generator) for performance and mobility testing of 4G and Wi-Fi (small cells, Femto cells and macro cells)• Demonstration of Azimuth’s Spider product to various IoT companies for standalone Wi-Fi performance testing and/or for LTE-U co-existence testing. Show less • Partner and work closely with Sales Executives to qualify potential customer opportunities and act as the technical touch point during the sales process and conducting product demonstrations and evaluations at customer sites• Working closely with product management and engineering team to track down any customer specific issues or feature requests• Responsible for developing and implementing the Volte RF performance and Wi-Fi performance test plan for Verizon wireless • Understand customer needs and help them to implement and automate various use cases • Setup and conducted demonstrations of new and existing products and services to several customers at tradeshows and corporate events Show less • Primary support for installing and setting up of Azimuth’s MIMO OTA solution platform at various customer locations and help them analyze the performance of the devices operating over the air.• Created detailed technical test plans for MIMO OTA testing and created various channel models according to the CTIA standards• Integration with the Hardware, Engineering and the Software team to ensure reliable product support to customers• Performed UE Diagnostics analysis on various Cellular Technologies such as LTE, TDS, CDMA & GSM• Worked closely with R&S engineers to understand the technical specifications and capabilities of their Base Stations Emulation product• Designed the small cell and IOT test plan for AT&T using Azimuth’s automation platform• Assisted the software team with building automation modules and creating software installation packages Show less

  • Applications Engineer

    Jul 2015 - Apr 2018

  • Field Applications Engineer

    May 2014 - Jun 2015

  • Solutions Engineer

    Jan 2013 - Apr 2014
• 

  Anritsu

  May 2018 - now

  • Responsible for selling Anritsu-Azimuth’s products and services, developing new accounts and/or expanding existing accounts. Engage with customers or partners independently to develop sales or support events.• Primary interface with Anritsu global technical support and field applications engineering for Azimuth products. Provide Pre- and post- sales support for various Anritsu customers• Develop detailed documentation on 5G product requirements and worked with Carrier Partners to develop go to market plans for addressing the 5G market needs for various customers • Engaged in a proof of concept to deliver an integrated product of Anritsu BSE with Azimuth’s RF fader for chipset vendors, handset manufacturers for testing various scenarios like DSDS, DSDA etc. Show less

  • Business Development/Applications Engineer

    Apr 2023 - now

  • Wireless Application Engineer

    May 2018 - now