SUMMARY:

Seeking a Network/Wireless/QA Engineer position in the field of engineering.

SKILL:

Protocol Stacks: OSI Model, TCP/IP, DNSRouting & Switching Protocols: RIP, BGP, EIGRP, VLAN, WLAN, SIP and STP.

Security Protocols: NAT, PAT, ISAKMP, SSL - VPN, IPSec, WPA-PSK, TKIP, WPA2-AES

Routers and Switches: Cisco Switches-CAT3850, CAT3650, 4K-series Cisco WLAN controller 5760, Fortinet

RT50B router, RT: 60C, Cisco c2800 &c871 routers, Cat3500 Switch, SW-24GBM, SW-24PB, Meru Wireless Controller MC1500, Actiontec BHR (Broadband Home Router)

Frame Formats: Ethernet, IP, TCP, UDP.

Wireless Access Points: Cisco AP-1600, 2600, 2700, 3600, 3700, WAP-W3, WAP- W3NWAP-W3G, WAP-W5N (Virtual Cell)

Wireless Technologies: 802.11a/b/g/n/ac, 802.11k, 802.11r

Programming Languages: CSecurity: Nessus Vulnerability Scanner.

Scripting Languages: Selenium, TCL, Fitnesse, Xebium

Ixia Tools: IxChariot, IxAutomate, Ixload, IxNetwork, IxExplorer.

Spirent Test Center Tools: Spirent Test Center, Spirent test center for conformance testing

Veriwave tools: WaveApps, WaveQoE.

Tools: Ethereal/Wire shark (Packet Sniffers), Logic Analyzers, SSH, putty, HyperTerminal, Omni peek.

Fiber Optics: MMF, SMF. SFP

Operating Systems: Windows, Mac, Linux, UNIX

Ticket System: Test link, Agile, OS System, and Microsoft CRM Dynamics, CDETS

RELATED EXPERIENCE:

Confidential, San Jose, CA

Network Wireless QA Engineer

Responsibilities:

• Helped a team to deploy 1000 APs with 32 Switches, 14000 clients and 2 Wireless controllers.
• Configured switches for WLANs, Access list, 802.11 a/b/g/n/ac, beamforming configuration etc.
• Performed the clients roaming test using WLAN Roaming - benchmark roaming test for Veriwave.
• Roamed across the APs connected to the switches using Veriwave client test.
• Calculated the maximum client capacity per AP using Veriwave Maximum Client Capacity test
• Tested latest build to push the configuration from Mobility controller (Cisco WLC 5760) to Mobility agent (Cisco CAT 3850 switch).
• Ran client simulation test for 1000 clients using TSIM, Veriwave maximum client test across multiple APs.
• Tested the WebGUI feature for the Cisco 3850 switch.
• Verified AP exec command features for Radio Resource Management(RRM), RF Parameters,etc
• Gained knowledge on LWAPP, CAPWAP, SPG, RRM, CHDM, DCA, and RF Leader.
• Wrote documentation on AP/RF Configuration with wireless best practices- that comprised of 802.11ac, Channel bonding, MCS rates, Client link/beamforming, RF-Grouping, Fast SSID Change.

Confidential, Sunnyvale, CA

Network QA Engineer

Responsibilities:

• Setup test environments using a combination of Ixia (performance measurement for throughput), and Veriwave (wireless performance).
• Executed UDP/TCP performance testing using Ixia application tool (IxAutomate, IxLoad, IxChariot, IxNetwork) with different combinations of LAN-WAN, WAN- LAN MoCA. LAN-WAN MoCA/GPON.
• Verified Wireless functionality with emphasis on Wireless Security (WEP (HEX/ASCII), WPA and WPA2 (AES.TKIP), wireless channel auto-selection
• Configured and setup IPv6 Station and executed test cases for IPv6 environment.
• Configured 802.1p priority settings to perform QoS and traffic shaping using IxNetwork.
• Worked on 802.11ac Broadcom AP to test complete performance including TCP and UDP throughput.
• Worked on 802.11ac Qualcomm AP to test complete performance including TCP and UDP throughput.
• Configured IPv6 6rd configuration to test on Spirent Test Center.
• Gained knowledge of advanced 802.11ac features including wider channel bonding, denser amplitude modulation- 256 QAM, Multi-user MIMO, beam forming.
• Worked on MoCA 2.0 enhanced features.
• Participated in Product Requirements Document (PRD) reviews and contribute with detail specification of features to be developed and tested for the router.
• Executed test cases and test plans based on the functional specifications.
• Used traffic generating tools like IPERF to perform Port-Forwarding, DMZ, UPnP and SIP ALG feature validation, and analyzed packets with network debugging tools Wireshark.
• Used CPE WAN management protocol (CWMP) - TR-069 for remote management and performed CPE/CMS testing with Motive HDM.
• Reported and documented bugs through “Sirid” and “agile” bug tracking system, and assisted software team in investigating and debugging critical issues
• Used Selenium IDE to record, edit, and debug selenium test cases for router.
• Used Selenium Grid server to run web browser instances on remote machines.
• Used Nessus Vulnerability Scanner to detect potential vulnerabilities on the Broadband router.
• Used Defensics software testing tool for robustness testing to find crash-level flaws and other failures in software.

Confidential, Foster City, CA

Technical Support Specialist

Responsibilities:

• Responded to customer phone and e-mail support requests in a timely, efficient and professional manner and assisted dealers with questions about configuration, troubleshooting, and design.
• Performed troubleshooting to identify causes and recommended remedies to user issues
• Provided written and verbal instructions to users to resolve problems
• Maintained expert-level knowledge on the features and business application of the company's product line
• Performed product evaluation, product testing and specifications for new products.
• Acquired strong knowledge of wired and wireless networking products including Wireless Access Points, Managed Switches, and enterprise grade Routers.
• Gained deep understanding of IEEE 802.11 a/b/g/n.
• Configured and trouble shoot NAT, DHCP, SSL-VPN.
• Used Serial cable to access various devices in the network.
• Created different VLANS for WAPs and enabled VLAN tagging.

Confidential, Santa Clara, CA

Network Engineer

Responsibilities:

• Installedfollowing routers and switches in the lab: c871, c2800 routers and Cat3500 L3 switch.
• Configured RIP on all the routers and Switches.
• Verified end-to-end internetwork connectivitythrough ping and trace route
• UsedWire shark sniffer,Captured and Analyzed RIP routing updates exchanged between the routersand switches.
• Created a VPN using two Cisco routers 2800 series and 871.
• Established a site to site VPN connection using a Peer.
• Used cryptographic tunneling protocols to provide confidentiality by blocking intercepts and packets sniffing.

Confidential, San Jose, CA

Hardware Design & Verification Intern

Responsibilities:

• Examined product life cycle, Component Selection & Interface based on client requirement.
• Involved in product design, board (Printed Circuit Board) layout and Product testing related to real time multi-channel audio transport over CAT-5.