SUMMARY

• VoIP Test Engineer with 6 years of experience in designing, implementing and maintaining enterprise level VoIP networks.
• Extensive knowledge of Internet architecture (hosts, routers, switches, DNS, hostnames, IPv4/IPv6 addresses, Ethernet, switching and routing).
• Good working knowledge and experience in the area of Networking concepts, SIP, TCP/IP, UDP, RTP/RTCP, SDP, H.323, SS7, MGCP, SGCP, Wi - Fi, 802.11a, 802.11b, VPN, MPLS, NAT, Cable modem, and VoIP
• Strong knowledge of IP-PBX, media gateways and gateway controller.
• Significant ability to troubleshoot SIP traces and call flow.
• Extensive hands on experience on working with troubleshooting of VoIP network using Cisco call manager, Third Party voice mail server, voice gateways, Avaya CM, Broadsoft.
• Proficient with handling and troubleshooting SBC (Acme) and ESBC.
• Experience with working on WIRESHARK, Abacus and Smartbits network analyzer.
• Writing and execution of test plan, conduct test plan review, testing schedule.
• Experience in software sanity, acceptance, progression testing, automation design, development and support.
• Strong acquaintance of quality of service, distributed server infrastructure in support of VoIP services, IP Security concepts including well-known services, ports, and protocols.
• Experience in developing VOIP applications using Packet cable, Digital switching, transmission systems and SONET for call routing.
• Documentation of processes and procedures for operations, provisioning and NOC teams.
• Good client management experience with excellent communication and inter-personal skills.
• Wide system view, excellent analytical skills, ability to handle complex tasks, high learning ability, creative problem solving, thinking “out of the box”.

TECHNICAL SKILLS

Protocols: SIP, SDP, MEGACO, RTP/RTCP, UDP, TCP, H.323, SS7, MGCP, NAT and RADIUS.

Hardware: Cisco Routers and Switches, Vonage IP Phones, Vonage Routers, Netgear Hubs, Cisco IP Phones, Class4/Class 5 Switch, Telephony Gateway.

Test Tools: Quality center, Cisco Call Manager, Wire shark, Abacus, and Empirix Hammer

Wireless: 802.11a, 802.11b, 802.11g, Bluetooth

Soft switches: Broadsoft, Avaya CM, Cisco UCM, IP Centrex.

Languages/Scripting: C, C++, HTML, Linux, XML, UML, Java, SQL.

Telecom: Asterisk IP-PBX, SS7 (ISUP and TCAP), and GR303

Carrier Lines: T1, DSL, E911, OSDA, CALEA and E1

Operating Systems: Windows, Linux, UNIX, Solaris and Cisco IO

PROFESSIONAL EXPERIENCE

Confidential, Holmdel, NJ

QA Engineer

Responsibilities:

• Confidential Corp. is a leading VoIP service provider of low-cost communications services connecting individuals through broadband devices worldwide.
• This project involves functional testing of Vonage Home Phone Extension application with Security enhancement components and regression testing to verify that new components hasn’t affected primary behavior of application.
• This project also involves front end testing of Vonage Mobile Application as per Project Requirement document.
• This Project also involves functional testing of Set transcriber application which corrects voicemail settings and sends to pyval.
• Develop test plans, test specifications, and test procedures for Security enhancement of Home Phone Extension application and Set Transcriber application.
• Execute various kinds of testing Functional/load/Sanity/Regression testing.
• Support Device testing team with Vonage Mobile application testing by debugging backhand issues.
• Also performed regression testing for well known functionality - Star69 on VoIP phones in Vonage network.

Confidential, Plano, TX

VoIP Test Engineer

Responsibilities:

• Confidential, Inc. is a leading provider of multi-service network exchange solutions that enable flexible, cost-effective network evolution.
• This project involves testing of various networking protocols supported on the customers VoIP media gateway.
• Develop test plans, test specifications, and test procedures for IP telephony products.
• Execute various kinds of testing Feature/System/Stress/Regression testing.
• Design and Review of test automation scripts.
• Support and Troubleshoot IP Communications between hosts and devices.
• Support VoIP platform integration with legacy and new OSS and billing components.
• Technical expertise includes Testing and Test Plan preparation of various features on
• VoIP protocols - H.323, SIP, BSP (NET proprietary protocol)
• Security protocols - SRTP, SRTCP,TLS, IPSec
• Other protocols - SNMP, V.150, MLPP, T.38 Fax.
• Involved in client program for Microsoft OCS breadth certification.
• Analysis of customer issues and detail test plan preparation for various customer issues.
• Test Tools worked on:
• Abacus for VoIP Testing (SIP, H.323, T1/E1, FAX).
• Adtech for data related testing (IPSec)
• SIPp - involved in enhancements to customize the tool for the project needs.

Confidential, Alameda, CA

VoIP Test Engineer

Responsibilities:

• Confidential provides ISPs with WAN edge devices also known as Remote Access Switches which are used by dial-in clients to get connected to an internet. The devices provide both data and voice solutions.
• Plan, test, recommend, and implement ISP services for VoIP Telephony.
• Provide network documentation, assessment, and guidance for ISP related items.
• Assist in the Engineering design and capacity management H.248 network infrastructure.
• The project involves testing of H.248 VOIP features on core operating system, which reside on these devices. Platforms covered include MAX, TNT and APX.
• Design and review of test plans for new H.248 features implemented.
• Performing all aspects software verification including functional, regression, integration and stress testing.
• Technical expertise includes Testing and Test Plan preparation of various features on VoIP protocols - H.248 features, COT testing.
• Performed testing on Proprietary H.248 tool for simulating Soft switch.

Confidential, Newark, NJ

VoIP Test Engineer

Responsibilities:

• Manage internal VoIP lab network routing and ensure external connectivity with production environment.
• Install, upgrade and manage Linux servers running Voice over IP applications.
• Configure routers, switches and other networking equipments for testing activities.
• Troubleshoot any identified network related or call flow issues using tools such as Wireshark.
• Determine testing strategy & execute test plans for regression and load performance testing of VoIP applications.
• Evaluate impact of integrating new hardware/software platforms (such as new series of Cisco’s Integrated Access Devices or new IOS version) with existing production environment.
• Configure SIP Session Border Controller and Softswitch to implement SIP Trunking with customer’s PBX.
• Automate and optimize testing processes using suitable scripting tools as needed.

Confidential, CA

VoIP Test Engineer

Responsibilities:

• Set up CPE test architectures for POTS and T1 Trunk testing to include eMTA and IAD Access Devices over DOCSIS Packet cable networks.
• Create VoIP test cases within HP Quality Center.
• Conduct SIP VoIP testing of BCV Features within Cisco BTS and Broadsoft Application CMS
• Provisioned Cisco BTS and Broadsoft Application CMS
• Conduct test defect analysis of SIP, DOCSIS, PCMM Protocols through SSH, Wire Shark and Agilent test tools.
• Conducted SIP Call Feature testing other typical Call features.
• Conduct automated testing using Empirix test platforms.

Confidential

Telecom QA Engineer

Responsibilities:

• Developed test strategies, test plans, test networks and test topologies to verify standard compatibility, functionality, interoperability, performance, regression, and systems-level readiness of VoIP based Soft switch system.
• Developed system test plan and procedure to test VoIP protocols (H.323, SS7).
• Developed documentation of Integration and regression test plans/test cases
• Coordinated testing activities with the QA test group as well as with the Product Developers
• Responsible for integration and Regression Testing of Class4/Class5 Switch and VoIP based Soft switch System
• Responsible for VoIP-SIP/PSTN call flow testing (SIP to SIP, SIP to PSTN)
• Responsible for Class 4/Class 5 Switch feature testing
• Responsible for scripting and test automation
• Assisted product developers in reproducing customer’s issues in the QA lab
• Provide feedback to developers to improve the usability of the products.