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WiFi System Test Engineer

Location:
Chantilly, VA
Posted:
March 18, 2019

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Resume:

MADHU BALA KONERU

Mobile: +1-571-***-****

Email: ac8to2@r.postjobfree.com

PROFESSIONAL SUMMARY

A system test engineer with 8 years of experience and proficiency in Wireless LAN Software QA.

Strong technical and functional expertise with Broadcom and Qualcomm Wireless LAN Software quality assurance.

Experienced in testing devices based on protocols 802.11ac, 802.11n, 802.11a, 802.11g and 802.11b.

Experienced in testing Voice Enterprise Features which include Radio Resource management (802.11K), Fast BSS Transition (802.11r), BSS Transition Management (802.11v).

Experienced in testing Fast Initial Link Setup (802.11ai-FILS).

Experienced in WLAN driver testing on LINUX, WINDOWS and ANDROID platforms.

Have good technical and debugging knowledge in STA functionality, Concurrency features (DBS), Soft AP, P2P.

Experienced in Roaming, WIFI-SON, Preferred Network Offload (PNO), WPS, WAPI, Enterprise security, Incremental Scanning, Hotspot, PMF(802.11w), Performance tests, stress, Hotspot2.0(802.11u) etc.

Experienced in setup bring up of WLAN testing which includes configuring of Access Points of different vendors, Cisco Controllers(21xx,55xx), Motorola controllers, Aruba controllers, attenuators, Host controllers, Devkit8k, Panda boards, Linux machines, MTP’s, installation of USB drivers, flashing builds with JTAG etc.

Have proficient debugging skills.

Experienced in network debugging tools like Ethereal/Wireshark, Omni peek.

Has experience in traffic generation tools like Chariot, Iperf.

Have good knowledge on TCP,UDP protocols.

Experienced in writing test plans for various levels of testing.

Have good knowledge on C, Shell Scripting, TCL, C# Basics.

Have a little experience on automating test plans and test cases on roaming using C#.

Experienced in performance testing like measuring KPI’s and functional testing where protocol is tested end to end.

Very strong written and verbal communication skills successfully leveraged in project and test plan documentation.

EDUCATION

Bachelor of Engineering in Electronics & Communications

KEY CONSTRIBUTION

Trained new joiners for the team.

Prepared test plans for 802.11k, 802.11r, 802.11v, 802.11ai from Specification.

Travelled to US on Business Visa for giving KT of 802.11k, 802.11r and 802.11v features.

Developed roaming automation test suite based on C# from available API’s and wrote few new API’s based on need.

Made process improvements and Benefit analysis after implementation.

Ability to work well both as a team and as an individual.

Handled assignments with high quality even under tight deadlines.

Ability to prioritize work and perform wide range of responsibilities.

Won many Qualstars in Qualcomm for excellence in work.

PROFESSIONAL EXPERIENCE

Client : Zebra Technologies, New York

Designation : Module Lead

Department : Fusion Wi-Fi Test

From : May 2018

To : February 2019

Responsibilities:

802.11 a/b/g/n Functionality in Infrastructure Mode with backward compatibility with IEE-802.11 standards.

Doing WEP, WPA, WPA2 Security Testing.

Doing Regulatory (802.11d, 802.11h) testing.

Developed test plans, test cases and executed test cases for software testing on wireless networking products.

Doing Throughputs, latencies, PNO, PMF and all STA functionality testing.

Doing Roaming which includes Legacy roaming, OKC, FT, 802.11k, CCKM Roaming.

Written Test plan for 2.4GHz 40MHz channel bonding feature and tested it.

Doing Soft AP, P2P (Wi-Fi –Direct).

Doing concurrency testing of STA with Wi-Fi Direct.

Doing coexistence testing of Wi-Fi with BT and WAN.

Prepared Test plan for Trace route smart MU feature.

Working knowledge on Lab and field experience testing and new Wi-Fi features, performance and characterization.

Doing walk tests to verify roaming scenarios along with Mobile data/4G.

Configure and Manage Cisco, Motorola, Aruba controllers and Wireless Aps.

Responsible for Test Plan Writing, Test Execution, Bug Reporting and Tracking.

Automated Testing: setup test environment and executed automation test, generated test report and analysis data.

Client : Qualcomm Inc.

Designation : Senior Engineer

Department : CNSS-WLAN Software Test

From : May 2012

To : October 2017

Responsibilities:

Testing new versions of Software driver for WLAN which requires understanding of Wireless Network Protocols and customer use scenarios.

Doing all Roaming feature testing i.e. Legacy roaming, OKC, CCX, FT/802.11r, 802.11k, 802.11v, Auto-join.

Has been the Test POC for all roaming features.

Doing Legacy roaming along with various feature interaction (p2p, TDLS, BT, PMF, LTE, offloads, PNO), walk tests with all user case scenarios.

One of the first member’s in Qualcomm to understand and test 802.11ai (FILS) on Qualcomm chipsets and involved from bring up time till customer evaluation.

Testing WMM and WMM-AC along with roaming.

Testing PMKID Caching.

Doing roaming with different security types OPEN, WEP, WPA, WPA2 etc, and with different 802.1x protocols.

Doing roaming in RF chambers for latencies.

Measuring throughputs during roaming with 802.11ac, 802.11n, 802.11a, 802.11g, 802.11b supported access points along with channel bonding features.

Configuring of enterprise networks to verify roaming user scenarios in real time.

Developed test plan for Dual Band Simultaneous for STA along with P2P, Soft AP, and another STA and tested it with other feature interactions like roaming.

Doing STA features like PNO, ARP offload, WPS, WAPI, connection latencies, roaming latencies etc.

Working on bring up of WLAN on various kernel versions. Including latest O Android version worked on Naught, Marshmallow, Lollipop, KitKat, Jelly Bean, ICS and Ginger Bread kernel versions.

Reporting bugs and raising enhancement requests for software with defects and providing value added workarounds.

Developed test plans and also worked on 802.11k, 802.11r, 802.11v, Auto Join from scratch. Assisted developers in implementing changes based on the test outputs and bringing the feature to a stable state.

Trained team members in different GEOS on Voice Enterprise and roaming features.

Worked on customer reported bugs for providing primary debug, analysis and reproduction to developers.

Worked on interoperability for Station, Soft AP and P2P.

Worked on 32-STA configuration and testing of Soft AP.

Configuring Access Points, controllers, attenuators, and third party devices required for the setup.

Flashing of builds/firmware on MTP’s and Access points.

Doing regression & stress testing for all these features which are stabilized over a period of time along with other feature interactions like G-Scan, concurrency etc..

Trained new joiner’s in the team and guided them once they achieved some expertise in testing.

Provided enough technical support in issue debugging and reporting as needed.

Experience in identifying the UI or driver or firmware issues from device logs.

Worked on validation of automated Test cases and providing the automation requirements.

Developed new API’s using c# based on need.

Client : Broadcom India Private Limited

Designation : Engineer-1

Department : WLAN Software Quality Assurance

From : Oct 2010

To : May 2012

Following is the nature of my engagement as Engineer in Broadcom:

Developing new test plans and automating them.

Developed and automated test plan for Dynamic Transmit Power.

Written test plan for P2P, STA concurrency and tested it.

Was the owner of a complete product line BCM43362.

Executed IBSS, PNO, Legacy Roaming, Concurrency, Peer to Peer (P2P), Soft AP,

Interoperability, Incremental scanning, Keep alive, Packet filtering, etc test plans.

Worked on WPS, WAPI, ARP offload, Packet filtering features.

Doing Soft AP testing.

Doing sanity, regression and stress testing of all STA features.

Worked on 1x1 and 2x2 STA Wi-Fi Devices.

Worked on PEAP, TLS, LEAP and other 802.1x protocols.

Configuring Access points, controllers, attenuators required for the setup.

Worked on Manual and Automated testing.

Installing OS (Linux, windows) required for test setup and needed tools for end to end testing.

Managed validation releases individually.

Made automation enhancements and fixed automation issues using TCL.

Assisted developers in prioritizing changes to applications and scheduled changes that most significantly improved productivity, timelines and efficiency.

Reporting bugs, debugging and providing first level of analysis on logs collected.

Experience in debugging script failures and isolating system/software issues.



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