Sanjay Mahadevaiah

8435 Capricorn way San Diego ,CA 92126

Phone: +1-8583973755  

Email:sanjugowda44@gmail.com                                                                                                                                                                             

 

Work Experience Summary:          

Ø      7 years of work experience in Telecom domain - LTE, UMTS, Femto small cell solution Testing and Modem Testing.

Ø      Currently working with Qualcomm technologies Inc San Diego CA as Senior test Engineer, from June 2014 to till date.( Payroll: Global Edge software inc)

Ø      Worked at Cisco systems Inc, Bangalore as senior testing Engineer, from June 2013 to May 2014

Ø      Worked for Aricent Technologies, Bangalore as software Engineer since May 2012 to June 2013

Ø      Worked for ZTE Telecom India Pvt Ltd as Test Engineer since Aug 2009 to May 2012.

 

Skills and Competencies:

Ø      Expert knowledge on testing Qualcomm modem chipsets like 8996,8992, 8994, 8976 etc.

Ø      Experience in E2E System Testing, Integration, Release, Functional, Regression, KPI, Performance, Stability, Automation.

Ø      Experienced Software Handset QA Engineer, proficient in performing tests on Mobiledevices as an end user in live networks in addition to collecting logs and reporting issues.

Ø      Expert knowledge of LTE UE/Device/small cell Protocol Stack Testing.

Ø      E L2 -L3, NAS, Volte, IMS, RCS, RTP & RTCP, SDP.

Ø      Worked closely with feature software developers to ensure various VoLTE Features are working as per the customer requirements / 3GPP Standard.

Ø      Participated in design discussions to correct defects and held meetings to gather the status of defect fixes for tracking and reporting

Ø      Very good understanding of LTE, UMTS, GSM concepts and Call flows.

Ø      A very good experience in design, development & review of test plans and test procedures for LTE and 3G wireless product based on customer product specifications and quality requirements.

Ø      Experience in network optimization, log analysis, troubleshooting, fine-tuning and performance analysis.

Ø      Experience in usage of Aeroflex TM500, Agilent ,Anite, and Anritsu M8470A simulators during testing.

Ø      Good knowledge of Network topology ENode-B,E-UTRAN (Phy,MAC,RRC and RLC protocols) and various interfaces testing Uu, S1,X2. Also, call processing for end to end system testing

Ø      Hands-on experience in various tools including protocol analyzers, UE log analyzers, RF tools and automation tools.

Ø      Defining test cases to be executed for CR fixes. Log analysis for failures and reporting,test report generation, make sure that testing is completed and all failures have corresponding CRs(Change Requests) before the customer release.

 

Automation Skills

Ø      Array of scripting languages such as Perl and Python.

Ø      Test Automation – Developing Automation Test Framework and Enhancement  requirement Analysis, Test Plan Creation, Execution and Test Data AnalysisInterpreting test results and creating test reports.

 

 Additional Certifications and Training

Ø      Cleared the level -1, 2 certification on TDD-LTE EnodeB from ZTE University.

Ø      Completed the IP planning training.

Ø      Completed the expert level training in ZTE switches and Routers.

 

Technical Expertise

Domain	Small cell, LTE , 3G/UMTS , Modem testing
Protocols	RRC ,RLC ,MAC , Physical layer NBAP,HNBAP,RANAP,
Software engineering	Cisco –RMS , WEM ,TEMS,ZTE – Net numen S W
Bug Tracking Tool	Bugzilla, JIRA,CDETs,Prism,Change Request(CR)
Tools	IT3 Platform ,UT3 Device Test center ,R&S, eUICC, Anritrsu 8480,Anite, QXDM, QPST, QCAT, A,Wireshark,FAPI, Aeroflex TM 500 ,T32,Agilent signal generator,ACS ,Azimuth channel emulator, Commercial Handsets, Putty, Iperf, filezilla.

 

Project # 1

Company    : Qualcomm Technologies Inc, San Diego CA USA

Role             :  UIM Protocol testing, Module testing, Feature testing and Performace testing

Title             : Qualcomm Modem Chipset Testing,

Duration      : June 2014 – Till date

Description: Working on various Modem’s testing including following important modules such as

Ø      Conformance Testing, UMTS and LTE Regression testing,

Ø      Developing automation frame work for test suit, preparing test cases based on 3GPP Spec standards and analyses of logs in QXDM.

Ø      Having hands on Experience of eUICC.

Ø      Commands and Responses in SIM – ME interface .

Ø      Modem performance testing .

 

Responsibility:

Ø      Execution of 51.010-digital,analog(SAT/ICC) defined GCF test cases on Anite, Anritsu and COMPRION IT# test setup.

Ø      Execution of ETSI TS102.230 digital,analog,31.124 (USAT) and 31.121 (USIM) defined GCF test cases on Anite, Anritsu and COMPRION IT3 test setup.

Ø      Execution of all above mentioned conformance test cases on all new builds.with use ofIT3 , UT3 Device test center .

Ø      Mentored new hires in the areas of VoLTE call features, voice over WiFi, PDN handovers, IRAT and domain selection; and held orientation meetings to bring them up to speed with the test methodologies and to develop test skills

Ø      Define test cases to be executed for CR fixes. Log analysis for failures and reporting test Report generation. Make sure that testing is completed and all failures have corresponding CRs(Change Requests) before the customer release.

Ø      Working on LTE and UMTS Regression testing

Ø      Execution of complete system test regression suite on new builds on Anritsu 8480,8475A,,R&S CMW,

Ø      Execution of MultiRAB and supplementary services scenarios

Ø      Regression test case selection for CR fixes, Log analysis for failures and bug reporting, Test Report generation

 

Project # 2

Company      : Cisco software Inc., Bangalore

Role               : Feature Testing, System Performance Testing & Regression testing

Title              : Multimode Base Station Integration Testing – Femto Small Cell (2013-june-2014 June)

Description: Iteration -1 Bring Up lab set, preparing lab setup .Basic call testing, Analysis of LTE Release8/Release 9 based

                                            requirements provided by the customer and preparing feature analysis documents.
Responsibility:

Ø      LTE and 3G lab setups for E2E Femto cell testing.

Ø      Small Cell Solution (Femto/Metro Cell Solution). Responsible for end to end 3G/4G system validation, product integration, acceptance, analyzing and interpreting the result; identify variances and possible defects in the lab environment.

Ø      Worked 4G LTE, SON, Feature, regression Small Cells (Femto) E2E testing.

Ø      3G Small Cell/NodeB Features, KPI NLT testing, automation of regression test suit run.

Ø      Flashed the default images onto the Radio and DSP board which host the eNodeB so as to bring-up the stack on top of DSP cores

Ø      Solid understanding of RF, Analog and Digital circuits.

Ø      Tested DRX (Short DRX & Long DRX) feature,HARQ (DL & UL) feature and Selection & Optimization feature implementation.

Ø      FAP Integration and bring-up of network elements in E2E network

Ø      Started testing multimode EnodeB with LTE&WIFI and 3G&WIFI testing

Ø      Involved in 3G femto cell testing ,tracking and verification of the bugs raised during the testing procedures.    

 

Project # 3

Company    : Aricent Software Systems, Bangalore

Client         : Texas Instruments

Role             : Feature Testing & System Performance Testing (2012 May -2013 June)

Title             : TI Femto small cell eNodeB Testing –Release 1, Release 2 and Release 3

Description:  Release-1:-Provides small cell eNodeB functionality and verification of LTE Release8/Release 9 based features

                                         on TI‘s Small cell product.

                       Release-2 :Provides small cell eNodeB Performance and stability of the eNodeB of LTE Release8/Release 9

                                          based features on TI ‘s eNodeB product.

                      Release-3 :Provides small cell eNodeB Performance and stability one multiple UE’s Addition to features like

                                          QOS, MAC Scheduler, Link adaptation and SON.        

 

Responsibility:

Ø      Analysis of LTE Release8/Release 9 based requirements provided by the customer and preparing feature analysis documents.

Ø      Involved in documenting the testing strategy for Release features, documentation for system level tests, test plans, test design documents, and test cases,verifying MAC Scheduler ,QoS Features with commercial UE (Data cards & Handsets) along with UE simulator tools like Aeroflex & Ixia.

Ø      Tracking and verification of the bugs raised during the testing procedures.

Ø      Loading of binaries on TI’s DSP (C6618 Board), SCBP Radio boards and integration of them.

Ø      Checked the functionality of HARQ, DL-MIMO, DRX, Paging, Link adaptation, RACH analysis, and System broadcast information.

Ø      Verified CLPC (Closed Loop Power Control) feature implementation with Aeroflex

Ø      Executing the performance test for the single UE and Multi UE on Aeroflex and Data cards setup.

Ø      Prepare lab setup for stability test on the ENodeB for single UE and multi UE.

Ø      Checking of L1 (PHY)-L2(MAC) message flow through FAPI.

Ø      Call processing procedures like Attach, Detach , Service Request, Default bearer, Dedicated Bearer and Configurations for the UE in Aricent EPC (Evolved Packet core)

 

Project # 4

Company    : ZTE Telecom india Ltd,

Client : Barathi Airtel, Aircel Inda

Role            : Enode-B Field testing & System Performance testing (Aug 2009-May-2012)

Title             : Airtel Enode-B field deployment with addition of lab testing.

Description : This project includes complete LTE testing of all nodes (UE, enodeB, EPC nodes) as per 3GPP standards.

                        Drive testing RF,optimaization, RF conformance & Inter –RAT  testing,executing test case and providing

                        test status reports.

 

Responsibility:

Ø      My contribution in this project, planning testing strategy for UE & enodeB testing.   

Ø      Configuring eNB’s and OMC Server and Client Terminals.                 

Ø      Feature test requirements collection, analysis and reviews,defining test strategies, test plans test case design.

Ø      Responsible for test setups and creating customer configurations,review of the test plans and rising defects as feedback.

Ø      Involed in Drive testing and collecting logs ,testing and Analyzing protocol message flow through Trace tool and analyzing the log files.

Ø      Identification of various tools needed for system integration and verification testing.

 

Education :Bachular of Engineering (Information science and technology ) from Vivekanadan Institute of Technology

                                              (affiliated with Visveswaraiah Technological University, Karnataka,India )

Personal Details

Date of Birth                     : 21^st  August 1985

Passport                              : J7091596

US VISA status                 : H1B Valid

I hereby declare that the above information given by me is true to the best of my knowledge  .

 

                                                                      Sanjay mahadeviah