RESUME DETAILS

SOFTWARE TEST/NETWORK ENGINEERING

Experienced Product Verification and Network Engineer with proven track record in software testing of GSM, GPRS, R4 Media Gateway, SS7, ISUP, VOIP for landline and wireless call features, switch translation, regression and integration testing, trouble shooting, and documentation as well as deployment of R4 GSM and UMTS networks.

TECHNICAL SKILLS

ATM, PP15K and PP8600, GPRS, R4 GSM and UMTS Wireless Networks, Broadband Network, Media Gateway, BICN and BICC, MDM, Nortel MSC, DMS-HLR, MLC, GPP IWF, SMS, VMS, DMS-250, SONET, TCP/IP, SS7, ISDN, PTS, Voice Over IP, wireless and wire line Call Processing, Passport OA&M, Test/automation tools, C++, Telegence, Telegence/Amdocs, TestDirector, UNIX and WindowsNT O/S, Frame Maker, Microsoft office.

EXPERIENCE

Ian Martin Limited/Nortel, Richardson, TX Apr 07- present
GSM/CDMA/GPRS Hardware Engineering
• Provide Engineering Document Package to customers with equipment hardware list and installing instruction for GPRS access network such as SGSN, GGSN, PCUSN, SIG etc?
• Prepare Pre-Sales quote for CDMA customers
• GSM Core Network Engineer

CINGULAR WIRELESS, Richardson, TX Jan 07-Apr 07
GSM/TDMA Provisioning/switch control Testing
• End -to-End switch control provisioning and handset testing; by activating test subscriber and making sure all call processing functionalities work.
• Create transactions on Telegence on-line for GSM, TDMA, T-Gait or G-Gait.
• Program the mobile devices, test connectivity and perform GPRS, MMS, SMS, regular Voicemail and IPHONE functionality testing on the GSM, TDMA & T/G-Gait mobile phones.
• Develop test plans & test cases to insure test requirements are covered
• TDMA HLR migrations testing

NORTEL NETWORKS, Richardson, TX 2006-2007
R4 GSM/UMTS Network Engineer
• Create R4 GSM/UMTS Call Server and Media Gateway configuration CIQ per customer specification to facilitate the smooth deployment of the product into customer networks.
• Perform configuration, validation and customer acceptance test for wireless call server (MSC), IWF and Media Gateway.
• MGW expansions and creating Trunks, reengineering existing trunks in the network.
• Supporting regional and customer on engineering issues related to deployment of R4 GSM and UMTS networks, particularly related to network design, Customer Information Questionnaire (CIQ), commissioning scripts and IP planning.
• Perform network component audit and provide solution as needed basis.

CINGULAR WIRELESS, Richardson, TX 2005-2006

GSM/TDMA Provisioning/switch control Testing
• End -to-End switch control provisioning and handset testing; by activating test subscriber and making sure all call processing functionalities work.
• Create transactions on Telegence On-line for GSM, TDMA, T-Gait or G-Gait.
• Program the mobile devices, test connectivity and perform GPRS, MMS, SMS and Voicemail functionality testing on the GSM, TDMA & T/G-Gait mobile phones.
• Develop test plans & test cases to make sure customer requirement is met

NORTEL NETWORKS, Richardson, TX 1995-2005
GSM End to End Product Verification/Database Engineering
• Maitain or update MSC call server routing tables to test call/supplimental features
• Verify translation tables by using translation verification tools
• Datafill TRKGRP, TRKSGRP and TRKMEM tables for proper call routing
• Provision R4 Media gateways
• Perform product testing and integration testing for GSM E2E System Verification team.
• R4 ATM and R4 VoIP BICN/BICC End to End System Verification of basic call processing features
And supplemental features.
• Executed IN test cases for CS1R and CAMEL, configure SS7 stack for IN/Service Builder.

R4 BICN Packet Core/GPRS Database Engineer
• R4 BICN Packet Core Media Gateway Passport configuration provisioning
• Create, test and support NPT templates based on inputs from R4 BICN Media Gateway configuration CIQ
• Provision 8K and 15K Nortel Passport for GPRS Packet Data Network per customer requirement.
• Verify Hardware Components for SGSN: CP, GTL, GSD, GSC, SAS, Fast Ethernet and ATM cards
For Passport 8K/15K shelf. Provisioned and set up all the cards and verify Gb (T1/E1), Gn
(100BaseT --T/OC3), and Ga Interfaces.
• Worked closely with NE to solve some of the customer issues as well as CIQ issues/errors.
• Provide Implementation support to the Integration Team after customer delivery.
• Lead the project from CIQ release to project completion and delivery to customer.

Senior Software Test Engineer, GPRS
• Tested voice/packet data features for General Packet Radio Services (GPRS).
• Researched and developed test plan and test cases for SMS (Short Message Service) features.
• Generated more than 100 GAP automation scripts (as a group), to simulate messaging between SGSN and MSC/VLR.
• Tested many call processing features for major telecom companies including MCI, AT&T, Sprint, and WorldCom.
• Used STEP tool to simulate two party call, conferencing, redirection, reorganization, bridging, Billing and Regression testing.
• Reviewed and provided feedback on Feature Design and Test Requirement Documentation.
• Developed test plan and test cases to cover feature and product functionality deliverable to customers.
• Provided Test Summary Report and Level of Effort input to management.
• Performed Periodic Regression and Product Testing to ensure software quality.
• Created CR/SRs to address software bugs, generating code changes with design.
• Retested CR/SRs on a daily basis to assure proper fix/change was made.
• SPM (SONET Peripheral Module) and XPM based feature testing, Data call, Echo Cancellation and two party call features.
• Tested Nortel Networks Virtual Assistance (NNVA) Voice over IP concept.
• Highly experienced in DMS-250 switch translation table, data fill and call processing.

ALCATEL NETWORK SYSTEMS, Richardson, TX 1994-1995
Co-op
• Tested the interoperability of OC3s, OC48s and Cross Connect switches. Verified signaling and cleared alarms when necessary.
• Used AutoCAD to design new lab for Ameritech interoperability testing.
• Worked with ASIC design group.

EDUCATION and PROFESSIONAL DEVELOPMENT

University of Texas at Dallas, Richardson, TX 1993-1995
• Bachelors of Science degree in Electrical Engineering
• Used Palasm to program 68000 microprocessor for Senior Project

Oklahoma University, OK 1991-1992
• Bachelors of Science degree in Electrical Engineering

References Available Upon Request

Certifications
See above

CONTACT DETAILS

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