SUMMARY:

• Greater than 10 years of Experience (Development 4+ and Testing 6+) in IT industry with focus on Requirements Analysis, Design, Development, Testing, Production Support of Telecom / Networking/ Client Server Applications
• Involved in all phases of the SDLC from Requirements Analysis/Design/Coding to Customer Acceptance Testing and Production Support ( HLR/SCP/SMSC )
• SMOKE/Regression/System/SOAK/Performance/Acceptance/IOT/FIT Testing on High End Wireless Telecom Systems ( BSC/MSC/HLR/VLR/SCP/SMSC )
• FOA( First Office Application ) and New Product Controlled Introduction/Deployment of SMSC Confidential Sprint
• Hands on Experience in GSM Call flow tracing using Agilent Access7 on MSC/STP/HLR/SCP
• Creation/Execution of MOP on Confidential SMSC Production Server for Feature upgrade and monitor the system for critical alarms/events post upgrade
• Experience in IOT involving Confidential MSC, NSN MSC, Nortel MSC, ALU Call Server, Cisco MME, Confidential eNodeB, HP HLR as part of testing Circuit Switched Fallback Feature on LTE Network
• Developed INET scripts for SS7 Stack Testing ( MTP - L2/L3 )
• Created scripts for Startup/graceful shutdown of Applications on SMSC v5.4
• Hands on testing IS-41C - MAP ( AUTHREQ, QUALREQ QUALDIR, REGNOT, REGCAN, LOCREQ, ROUTEREQ, SMSREQ, SMSNOTREQ, SMDPP ) GSM MAP (SRI, PRN, MSRN, RCH, Update/Cancel Location )
• Hands on Knowledge using SS7 Traffic Generators/Test equipment INET/Catapult/TGEN
• Exposure to ISUP, MAP, INAP, SIP Call flows
• Configuration/Set up of SS7 Nodes for Testing (Point Code/ Link/ Link set / Route Set / DPCRS/ SSN )
• Experience in HLR Subscriber Database Migration during Capacity Expansion
• Hands on HLR/SCP Subscriber provisioning
• Testing of Transcoders ( 3GPP ) present in Base Station Controller on Confidential BSC
• Creation/Analysis of STS Measurement Reports Confidential 5/10/15/30/60 minutes interval for Confidential MSC
• Developed scripts with INET for Automated SS7 ISUP call flow Testing(IAM,ACM,ANM,REL,RELC)
• Billing Center / Call Detail Record Management on Confidential MSC
• Expertise in Install/Upgrade/Defect Reproduction/Patch/Troubleshooting of High End GSM/CDMA Telecom Systems and Test Lab ( BSC/MSC/HLR/SCP/STP )
• Demonstrated proficiency identifying faults and preparing root cause analysis ( RCA ) along with the Workaround for Top Management related to System Crash for Confidential A1430 HLR with customer - KDDI, Japan
• Experience in SOA, WSDL, XML, and SOAP Messaging along with Web Services
• Strong skills to author and review technical documents such as Test plan, Test Spec, Test strategy, Traceability matrix and Defect reports from the Requirements document/SOW
• Detection of Memory leaks and solid Debugging Skills
• Solaris System Crash dump analysis using ISCDA
• Test script automation using Perl ( File/Pattern Matching/Sockets/DBI ) for Confidential CDMA HLR
• Excellent in C/C++/Java programming on UNIX along with Perl/Shell Scripting and Database development using SQL/Pro*C/Oracle 9i/MYSQL
• Experience with STL and multi-threaded ( pthread ) programming in UNIX environment
• Working Knowledge of the various UNIX IPC mechanism including TCP/UDP Sockets, Message Q, Shared memory, Pipes, etc.,
• Hands on experience in developing Real Time Applications running CEKOS
• Development of switch based MMI (Man Machine Interface) programs using C under CEKOS
• Development of Adjunct based Applications using C++ running Sun Solaris OS
• Development of Custom ETL for data migration from Legacy Systems ( mySQL 4.1 to Oracle 9i ) using C++ for Verizon SubNet Manager
• Porting of call processing programs from 600GT ( Confidential MegaHub STP ) using C
• Defect Management/Tracking using DDTS (Distributed Defect Tracking System), MHWeb
• Experience in using Mercury Quality Center as Test Management tool
• Version control using Clear Case and Subversion (SVN)
• Strong Development/Testing and Debugging Skills
• ISO 9001 Quality compliant Peer Reviews
• Training the end users on Product and Features
• Experience in leading/mentoring a midsized groups of Engineers
• Excellent Oral and Written communication skills
• Worked with various Equipment Manufacturers/Service Providers including Confidential, Confidential, Motorola, Confidential, Confidential & Confidential, Sprint, Qwest, MCI Worldcom, Verizon, KDDI - Japan, Reliance Infocom - India

TECHNICAL SKILLS:

Languages: C, C++, JAVA, Pro*C

Operating Systems: UNIX Sun Solaris 2.5.X, HP-UX 11i, LINUX Red Hat 8, SuSE 11, Windows 2003 Server, OpenVMS v8.3, RTOS CEKOS

Hardware: HP AlphaServer ES45, HP Integrity cx2620, Sun Netra 240, Sun Blade 1500, Sun Ultra 60, PDSi TS-1000, Stratus - Fault Tolerant system

Protocol: SS7, EIA/TIA IS: 41, AIN, MAP, INAP, MTP-L2, L3, ISUP, TCAP, SCCP, IS-637-A, UDP, TCP/IP, SIP, SCTP, M3UA, SNMP,SMPP, HTTP

Databases: RBTree, CTree, MYSQL 4.1, ORACLE 9i

Test Equipment/Bulk Traffic Generator: INET spectra, Catapult, MGTS, TGEN

Source Level Debugger: Confidential DEX Debugger, gdb, dbx, Sun Workshop

Scripting Language: Perl, Bash

C/C++ Libraries: Rogue Wave, STL, POSIX pthread

Version control: Clear Case, Subversion (SVN), SDE

Bug/Defect Management: Ddts, Mercury Test Director, Rational Clear Quest, MHWeb

Middleware: CORBA: omniORB, seORB

Web Server: Apache 2.2, BEA Weblogic 8.1

Web Technologies: SOA, SOAP, CORBA, XML, Web Services

Test Automation/Web Tools: Mercury QC: Test Director, TM4E

SQL Editor/Tools: Aqua Data Studio 4.7, TOAD 8.5

Utilities/Packet Analyzer: Exceed 6.1, Ethereal 0.9, Wireshark 1.4.9, WinFIOL 7.2 JDSU Signaling Analyzer 7.0

Switch/Router: Juniper M40, M320, Wireless/Wire line Telecom Products

Hands On Expertise: STP Confidential INFusion STP, SCP Confidential PHS SCP, HLR/AuC Confidential A8791 ANSI 41, A1430 ( CDMA ), Confidential AXE 09B HLR: BS ( AXE09B- APZ, 21260, APG43 ),HLR HP OpenCall HLR/HSS

PROFESSIONAL EXPERIENCE:

Confidential, Overland Park, Kansas

Solution Engineer

Responsibilities:

• System/IOT/FIT Testing of the Feature
• End to End SMS call flow testing of Onnet and Offnet Subscribers
• Creation/Provisioning/Binding/Testing of LA’s on the iDEN SMSCs
• Involved in the creation of MOP and testing them on the LAB systems before executing them on the Live Production System for Patch/Feature upgrade
• Analyze the critical incident generated by the Production SMSC Server and reproduce them on the Lab systems in order to provide the Root Cause Analysis
• System/Inter-Operability Testing/FIT Testing of the Text-2-911 Feature
• Created RBDL, SSD Rules, provision of short codes, Assigned priority to LA
• Extensive tracing on SMSC 5.4 with SIW, DIW, SMPP Entities for call flow Validation
• Creation of Text-2-911 MOP and roll out the feature updates on all Production SMSC Servers

Environment: Confidential SMSC V5.4 Server, OpenVMS v8.4, SIGTRAN SS7 over IP (M3UA, SUA), MAP, IS41C, TCP/IP, SMPP, LDAP, SLP, RBDL, Perl/Bash Script, Wireshark 1.4.9

Confidential, Redmond, WA

Lab Operations Engineer

Responsibilities:

• Acceptance/System Testing of the MTRR feature on Confidential AXE 810 MSC R12.1
• End to End call flow testing including 4G to 3G fallback testing using the closed RF Test site involving Multivendor eNodeB, MME, MSC, STP, HLR, HSS
• IOT involving Confidential MSC, NSN MSC, ALU Call server, Nortel ATCA MSC, Confidential eNodeB, Cisco MME, HP HLR/HSS
• Troubleshooting/Call flow tracing on 2G/3G using Access7, LTE using JDSU Signaling Analyzer

Environment: Confidential AXE810 MSC, NSN MSC DX200, Nortel MSC, ALU Call Server, HP Opencall HLR/HSS, Confidential eNodeB, CISCO MME, Agilent Access7, JDSU SART 7.0

Confidential, Boulder, CO

Systems Test Engineer

Responsibilities:

• Function/Delta/Acceptance Testing of HLR-BS Feature
• Test plan Creation/Execution include Load/Define/Block/De-block/Un-define XM/Remote LDAP Server IP Binding/IP Failover/Congestion/LDAP Query
• Created the automated WinFIOL scripts for Testing IO SSI Cluster Handling, Function Change, Program Correction, Size Alteration, Blade Reload/Restart
• Installation/Upgrade/Troubleshooting of AXE09B LSV11.0 - LSV25 Release (CPHW, PES,PLEX) on HLR-BC Node ( 8 HLR in Total ) and the Legacy APZ, APX systems
• Trouble report creation/reproduction/verification of bugs using Rational Clearquest and MHWeb

Environment: Confidential AXE09B HLR-BS ( APZ 21260, APG 43), TGEN, SIGTRAN, WinFIOL 7.2, open LDAP, Windows 2003 Server, SuSE Linux 11, JAVA/J2EE, WSDL, SOAP, XML, Perl, TM4E

Confidential

Responsibilities:

• Function/Characteristics/Acceptance Testing of 6M subscribers on Blade Cluster
• Test plan Creation/Execution include Charging(CDR)/STS/TMM/Disk Mirroring/MML/Security/Node Restart
• Identified bottlenecks for 8M subscribers using GEP2
• Test plan creation/ modification/log/tracking using TM4E
• Installation/Upgrade/troubleshooting of AXE09A LSV8.0 - LSV8.4.1 Release (CPHW, PES,PLEX) on MSC-BC Node
• Trouble report creation/reproduction/verification of bugs using Rational Clearquest
• Involved in the Preparation/Review of the Requirements/Test Document
• Development of Perl modules related to AMRWB codec
• Design/Development of RUM Modules to test HR,FR,EFR Codec
• Set up of RUM Environment and carrying out BUT, BJT ( Unit/Join Test )
• Fixing/Testing of TR ( Trouble Reports )

Environment: C++, Unix, TCP/IP, Clear case, Rational Clear Quest, AXE 810 BSC (Base Station Controller - APZ, APG40), HP Integrity cx2620, HP-UX 11i, Jeol box

Confidential, Cary, NC

Programmer Analyst

Responsibilities:

• Involved in the preparation of the A&D Document
• Design/Development of SM HistoricalPort i, AccessCircuit m module in C++ along with D2D testing
• Design/Development of AccessCircuitHistory dao module using Pro*C for DXC Update
• Developed SQL Query for data retrieval/updating in SNM2 and NetPro customer order entry database system
• Implementation of custom ETL Tool for migrating NetPro DXC port data ( MySQL 4.1 ) to SNM2 Production system ( Oracle 9i )
• Involved in the preparation/review of the A&D Document
• Design/Development of getAllToAllNNI, getNetworkConnection i, dumpAllToAll module in C++ along with D2D testing
• Parsing of NNI data using RWCString classes
• Test case execution/Defect management using Mercury QC - Test Director
• Defect Analysis/Fix/Testing the modules

Environment: C++, JAVA, Pro*C, Unix, TCP/IP, Oracle 9i, Aqua Data Studio 4.7, Rogue Wave, SOA, Web Services, XML, SUN workshop, SVN, Mercury QC, web logic 8.1

Confidential, Dallas, TX

Sr. Software Engineer

Responsibilities:

• Carried out Requirement Analysis, System Test plan, Test execution/Report
• 48hr SOAK/Performance testing using the test equipment CATAPULT
• Post process the performance test data such as IS-41C MAP Message loss, TMM Peg counts, Subscriber provisioning, Subscriber Audit between mate HLR, Resource usage
• Test automation using perl scripts
• Detection of memory leaks
• Defect ( BUG ) Analysis/fix/verification
• Involved in Requirement analysis, Design, Coding and testing of the feature
• Designed/Implemented the processIPR, issueIPR method in C++
• Designed/Implemented the monitorResource routine
• Validation of the resource threshold configuration file
• Analysis of IPR and Alarms
• Involved in Defect Analysis/Fixing
• Involved in Requirements analysis, Design, Coding and testing of the Backup feature
• Designed/Implemented the database commit routine running on the PM node in C++
• Designed/Implemented the backupIPU module in C++ running on all the IPU nodes
• Reviewed/Inspected the design/code
• Involved in Subscriber provisioning using the HLR-OMC interface
• Backup job scheduling using Crontab
• Involved in Defect Analysis/Fixing
• Carried out Requirement analysis, System Test plan, Test execution/report
• Regression/Performance testing using the Test equipment CATAPULT
• Subscriber provisioning using the SOU messages
• Test automation using Perl scripts
• Defect ( BUG ) Analysis/fix/verification

Environment: C++, Solaris 2.5.8, Perl scripting, TCL/TK, SS7, RBTree, GNU debugger, OAMP site, CATAPULT along with the PHS SCP Test bed

Confidential, Dallas, TX

Sr. Software Engineer

Responsibilities:

• Requirements review, Low Level Design (LLD) writing, coding, Unit Test Specification & Report (UTSaR) writing and Unit Testing
• Implementation of the BYIPPM MMI using C under CEKOS (RTOS)
• Optimized the code to fit into the 64K memory segment
• Generation of the PVF
• Participated in the Review and Inspection meeting for documents and code
• Involved in Defect Analysis/Fixing
• Requirements review of RFS021
• High level/Low level design for RFS021
• Design/code review
• Code Implementation of Reformatter using C under CEKOS (RTOS)
• Updating the entries in the ATA50 master table and ATA66, ATA70
• Code Debugging using the DEX Debugger under CEKOS
• Involved in Defect Analysis/Fixing
• Requirements review, System test plan, System test case and review of test cases
• System Testing of CCD and CCM programs representing the MTP L2, L3 using INET
• Creation of the traffic model/configuration of SUT and INET
• Defect raising/analysis/tracking
• Creation of test reports
• Requirements review
• High/Low level design of the Gateway Screening MMI ( Man Machine Interface )
• Code Implementation of the MMI using C under CEKOS (RTOS)
• Optimized the code to fit into the 64k memory segment
• Generation of the PVF
• Integration testing and providing test reports
• Involved in Defect Analysis/Fixing

Environment: C (Unidot cross compiler), CEKOS (RTOS), SS7, CTree, DEX debugger, INET along with the INFusion STP Test bed

Confidential, TX

Software Engineer

Responsibilities:

• Requirements review
• Design/Implementation of seIPRListener, seInterface, formatReport classes using C++
• Implemented the Multi threaded IPR listener routine
• Embedded SQL statements to update the TMM Statistics using Pro*c
• Carried out SQL queries on Oracle database entries for TMM data
• Integration testing and providing test reports
• Defect analysis/fixing/verification
• Requirements review of AST Feature
• Design/Implementation of seGateKeeper, alarmCorrelator, astFManager classes using C++
• Review of High/Low level design
• Implemented STL vector and lists
• Embedded SQL statements to update the Alarms from the switch using proc
• Unit/Integration testing and providing test reports
• Writing Test drivers using TCP Sockets
• Executed SQL queries on Oracle entries for critical Alarms
• Involved in Defect Analysis/Fixing
• Requirements review
• Review of High/Low level design
• Code Implementation of mossBroker, vProcState, seException using C++/JAVA
• Implemented the message queue to share processor status
• Unit/Integration testing and providing test reports
• Creation of test driver programs for white box testing
• Involved in Defect Analysis/Fixing

Environment: C++, JAVA, Unix, SS7, Oracle 8, GDB, ClearCase, seORB, Rogue wave, TCP/IP, Bash, Mega Hub 600E Test bed