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QUALIFICATIONS SUMMARY

Detail-oriented, highly motivated Telecom and Wireless lead with 12+ years of proven expertise in Core, Access OAM in wireless, messaging and signaling products.

■    Consummate Software Engineer with expertise in design, coding and debugging using  Java, C and python 

■    Astute strategic understanding of  Enterprise based J2EE and .and Java messaging application

■    Strong experience in Operating System, Database, Networking, Application Management, Redundancy and Failover.

■    Strong communication and analytical skills and holds a Masters of engineering degree in Telecommunication Technology.

■    Eligible to work in U.S. based on Permanent Residence status (Green Card).

TECHNICAL SKILLS

Test:	LTE Core, OAM and OSS  related IOT, UAT, Regression Test for LE 3.0 and LE 4.0 Loads
Test Tools:	LLDM XCAL, XCAP, eDat, WPS, NPO, MGTS, PASM
Programming:	Java, C, python, bash, sh, korn, Perl
Process/SCM:	Rational Unified Process, Agile , Feature based, Water Fall,  and SOMA
Databases:	Oracle 8/9/10g, SQL Server 2005, PL/SQL, SQL *Plus, SQL developer, DML, DCL, DDL
Hardware:	Sun Sparc, RISC based processor , 6K Switches, 7200Routers, RAID, SUN HA, MSA-50
OS:	Solaris 10, RHEL 5.0, AIX , HP-UX 11, IRIX 6.5, Win 2003/2008  Enterprise, XP, Vista, Hypervisor
Networking	Routers 7200/7600, CAT65 Switch, Firewall, SIP, H323, IOS, SNMP, NFS, Wireshark, Switching
Core LTE	MME and MG Performance Management Data, Configuration Management, Accounting,
RAN	EnodeB Parameters, Upgrades, Performance Management, Configuration backup, Per Call measurement Data
OAM	Service Aware Manager, Control planes Assurance Manager, Service Management, Fault Management, Configuraiton Management, Account Management, Software upgrades

EXPERIENCE

Alcatel-Lucent, 4G/LTE, Reston, VA                                                                                                                       May 2011 – Present

Senior Lab Test Engineer

Joined Alcatel-Lucent as Senior Test Engineer to design and develop LTE core and OAM related tests customer environment.

●      Working on eNodeB, MME, SGW, PGW, OAM system and resolved end-to-end issues

●      Developed Tests to verify connectivity, mobility, performance for Core and  OAM

●      Developed  XML messages to validate and verify  north bound interface to OSS applications

●      Working with eNodeB configuration, snapshot, work orders and various parameters

Oracle America, Service Delivery Platform, Reston, VA                                                                                      Jan 2010 – Present

Senior Technical Analyst

Joined Oracle Communication Gateway business unit as a senior technical analyst to analyze, diagnose and resolve SS7, MMS,, Web services, and SIP related issues for telecom and wireless carriers.

●      Working  on OCCAS, OCSG and OCMA and developed  SIP servlets, messaging application and communication plug-in

●      Developing SIP based proxy, Servlet, Registrar, B2BUA using JSR-116, JSR-289. JSR-209 specification in Eclipse IDE

●      Resolved customer issues regarding SMS, MMS, SS7, Billing, SIP, TCAP, ISUP, INAP, CAP, performance  using Parlay,  Oracle Diagnostic Methodology, SOAPUI, Seagull, SIPp

●      Capture and analyzed thread dumps, heap dumps, flight recording, logs, STDOUT, and  resolved out-of –memory errors

●      Installed  and configured messaging and billing application and services using SOAPUI, Parlay, Weblogic and Oracle

●      Developed scripts,  mbeans, Diagnostic framework,  instrumentation to clarify SIP compliance, JMS, High CPU usage issues

●      Technical Tools: Weblogic 8.15, 9.1,10.3 & 11, WLSS, OCCAS, OCSB, Oracle 10g, RHEL 5, Solaris 10, CentOs, Eclipse IDE, JSR, SOA Facades,  JRockit, wireshark, tail, top, SNMP, JRockit Mission Controller, JRA, Memory Tool Analyzer

TNS, SS7 group, Reston, VA                                                                                                                                   Oct 2009 – Jan 2010

Senior QA Engineer

Joined QA Engineering group to lead functional and System testing of  MicroSTP, LNP, LNR-SCP

●      Designed simulation and load tests  to verify and validate  SCCP, TCAP, M3UA, LNP, LNR and SCTP for LRN-SCP

●      Developed shell scripts to read log files and validate the TCAP, SCTP, M3UA, SCCP  and level 3  messages

●      Working with Linux, Wire Shark, Search and replace tools, Database, network services, SCTP, SS7, and SIGTRAN

●      Technical Tools: MGTS, PASM, bash, AWK, Groovy Python, Centos and Oracle 11.

College Board, SAT, Reston, VA                                                                                                                          Aug 2009 – Oct 2009

SOA Engineer (Consultant)

Joined SOA group to lead SOAP and rest based web services testing team to develop a unit, data driven and performance framework SAT application.

●      Developed SOAP and rest based web services unit, functional and performance tests using Junit, maven and ant.

●      Designed and executed functional test scripts for web services operation using SOAPUI, Groovy and Xpath

●      Participated and played an active role  in Joint development sessions, code reviews, and Software architecture meetings

●      Technical Tools: ClearQuest Test manager, Rational Functional Tester, Rational Performance Tester, Solaris 10, Oracle 10g, SQL Server 2005, Eclipse, WebLogic, Apache and Clearcase.

ERICSSON INC., TEMS, Reston, VA                                                                                                                  Dec 2006 – May 2009

Software QA Automation Engineer

Joined R&D group to lead software and system test team to develop a modular and data driven automation framework for thin client web based service oriented solution framework. Planned and designed test automation architecture, test design, and test strategy and managed a team of software tester. Established and configured test environment for disparate web services and business layer.

●      Developed automated modular keyword driven functional and regression test framework  in Quick Test Pro and VBScript

●      Developed re-usable shared and local object repositories and associated them with Test Actions; created  functions and function libraries and associated with  test scripts in Quick Test Pro

●      Created and modify function libraries  and populated share object repository with test objects used in Application under test

●      Developed and debugged  business components using Quality Center for  SOA, Web Services, Web components, Business tier and data tier, Flex Controls, ASP.NET controls, EDI, EIS, Servlets, JSP, Applet, compliance, security, authentication, xml schema testing for Ericsson Performance Engine, Analysis Engine and NPV applications.

●      Defined test data structure and storage needs and developed reusable objects using custom code and external data pools for dynamic testing Rational Performance Tester, JMeter, and Load Runner for multiple projects.

●      Compared baseline data with the actual results using verification comparator and updated verification point data using RFT 

●      Elicited candidate services and modeled using generalization, decomposition and aggregation.

●      Designed  test scripts  for key performance indicators using hierarchical service data for accessibility, retainability, and traffic data and implemented regular expression type constraint using marshalling, un-marshalling,

●      Tested and debugged  soap based web services endpoints using annotated Web Service Facets JAX-WS and stateless session bean

●      Planned, designed and executed load and stress tests using goal-oriented, manual scenarios, scheduler, work load analysis, log files, and usage patterns for measuring speed, scalability, availability and stability using Load Runner and Rational Performance

●      Defined and implemented test strategy and approach, test-ideas list, test automation architecture, test interface specification, and traceability matrix, managed test assets, change request and customized schema using, Rational Requisite Pro and CQTM.

●      Developed unit tests to verify interoperability and, SOAP binding profile, conformance to basic profile using WS-I Tools; Integrated SoapUI and Maven to continuously test web service.

●      Worked with customer and product management team to elicit requirements sources and techniques and prioritized the uses cases.

●      Customized system-wide shell initialization files and applied regular expression characters with the grep, sed, and nawk utilities.

●      Developed store procedure to filter rows and columns, trends in data, de-normalize tables, date handling and user administration.

●      Created Store procedure, Triggers, Cursors and Packages using SQL/PL and T-SQL to manage users, solutions and configuration

●      Deployed Web Services, Java EE application, Web component and configured session pools, log file and database connections.

●      Measured and analyzed the defect management key attributes defect density, by severity; number, per build, number of RFEs from Remedy and presented in the form of defect analysis radial chart. Managed functional test assets using ClearCase

●      Identified performance bottle necks  by diagnosing memory leaks using Heap Dumps, jmap, and jhat; detected deadlocked threads using JConsole

●      Created Store procedure, Triggers, Cursors and Packages using PL/SQL and T-SQL to manage users, solutions and configuration and also created PL/SQL procedures and packages for infrastructure batch feeds.

●      Extensively used SQL*LOADER, import/export Oracle utilities for data movements

●      Performance tuned SQL and PL/SQL code to reduce system overheads and improve execution times.

●      Developed oracle Sql Scripts wrapped around bash shell scripts with parameters and captured output in the variable.

●      Installed and managed Oracle 10g/11, SQL Server 2005 database and managed schema, users, tables, control files, flash archive

●      Administrated  lab environment to execute Performance and UAT testing and managed installation, configuration and setup of  Linux RHEL 5.0,Win server 2003 , IIS, JBoss, CQTM, WebLogic, Tomcat, SharePoint 2007, AD, DNS, Firewall, Switch, VMware infrastructure and ESXi; Developed shell scripts to manage users, devices and services

●      Administrated Rational ClearQuest Test manager and created asset registry records, iteration records, build values, configuration attributed and configuration value record Integrated RequisitePro requirements with Rational ClearQuest records.

●      Technical Tools: Quality Center, Quick Test, Rational Functional Tester, Rational Performance Tester, Solaris 10, Oracle 10g, SQL Server 2005, Eclipse, WebLogic, Apache and CQTM.

TELECA USA, Flash Cast Server group, Plano, TX                                                                                           Mar 2006 – Dec 2006

Lead Software Test Engineer

Led a test team to verify and validate the functionality, operation, performance and security of the web and business components. Worked on J2EE based FlashCast server billing server, feed server, data source server and price plan application and delivered test design specification, test plan, traceability matrix, test report, and defect report

●      Designed and executed test plan and test suite for billing application server software – unit, functional, regression, acceptance, code coverage and performance testing

●      Programmed functional tests scripts in Quick Test Professional and VbScript to verify event based subscription, messaging driven bean, PTP queue, and error destination by applying checkpoints, regular expressions,  parameterization and automation object.

●      Designed and executed  performance test by creating virtual users and emulating production load  using VuGen, and Controller

●       Measured application, end-user, component  response time and examined breakdown for package, class and method using Load Runner and Rational Performance Tester, and Sun SDK Profiling Tools

●      Developed GUI testing regression test framework  and incorporated data validation, data correlation using data pools in Rational Functional Tester

●      Collected measurement data using system monitor and ARM – high processer, link utilization, excessive paging activity, memory leaks, higher error rates to identify potential problems by monitoring resource usage and application response time break down

●      .Developed unit test automation framework, UAT, Code Coverage and Regression Testing using JUnit, Fitnesse and python.

●      Defined traceability relationship between requirements and calculated requirement risks based upon analysis using Quality center.

●      Worked on Oracle 10g - Data pump, SQL Loader, RMAN, ADDM, OEM, MMON, REDO Log, Flash Archive, PL/SQL, SQL Plus. Prepared the test data working with schema, roles, users, grant, alter, update, insert, join, correlated query and drop.

●      Administered test environment; installed and configured RHEL4.0, Solaris 9.0, Oracle 10g, Windows 2003, QTP, Load Runner, Rational Performance Tester, JProbe, JUnit, Jakarta Commons, WebLogic server and workshop; Managed test assets using QC.

●      Technical Tools: Quality Center, Quick Test, Selenium IDE, Jmeter, Solaris, Oracle, TOAD and Windows 2003 Enterprise

INTEL CORPORATION, Wireless Broadband Division, Hillsboro, OR                                                        Oct 2005 – Mar 2006

Software Validation Engineer( Contract)

Worked as a consultant to assess and validate quality and performance of subscriber station with WiMax specification for fixed broadband wireless access system.

●      Developed automated test suite for Mac software validation, base station, based upon broadband wireless access WiMax [802.16].

●      Automated the network entry based upon syncing, DL-MAP, UL-MAP, capabilities negotiation, registration using Quick Test.

●      Developed automated test scripts using bash to verify and validate application layer protocols, http, ftp, smtp, running on WiMax.

●      Developed sql scripts and PL/SQL procedure to validate, update and correlate input and output data for subscriber stations

●      Administrated test environment comprises of  SCM, libc, Perl, Perforce, ANVL, Linux Fedora Core, python, and Oracle 9i

●      Technical Tools: Quick Test Astra, Linux, Solaris, Oracle, Perl and Windows 2003

CISCO SYSTEMS, Mobile Wireless Division, RTP, NC                                                                                  May 2004 – Sept 2005

Development Test Engineer

Worked as a development Test Engineer to design and develop keyword driven test harness for Content Service Gateway. Designed automated test cases to perform protocol and networking based testing for charging gateway functionality as per 3GPP TS 32.0.

●      Architected automated test framework to identify specification-based function errors, performance errors, usage errors, and interface based errors tests for Content Services Gateway billing Protocol Description as per GTP specification.

●      Developed unit and functional tests to verify and validate the interface between MMS and Billing interface for post paid and prepaid billing usage.

●      Developed functional test cases for Content Services Gateway billing Protocol Description as per GTP using Quick Test Astra.

●      Designed automated interactive test scripts against L2-L7 traffic - VoIP, SIP, HTTP, WAP, SMTP, FTP, IMAP, TFTP, SNMP, OSPF, RIP traffic across Content Service Gateway using BMA, Ethereal, Pagent, and Perl.

●      Measured the performance of Content Service Gateway using Load Runner and JMeter by developing manual scenarios for IP fragmentation and out-of-order packets by applying policy based routing implemented on 7200VXR, 6509 Cat65k, CSG.

●      Technical Tools:  Quick Test Astra, Rational Functional Tester, Rational Performance Tester, Solaris, Oracle, SQL Server 2005, Python, CDET

ATT WIRELESS, Data services, Redmond, WA                                                                                                Dec 2003 – May 2004

System and integration Test Engineer (Contract)

Joined Mobile Data group to validate and verify conformance of the Mobile Access Gateway with WAP 1.2 & WAP 2.0 Specification and measure the quality and performance of Provisioning Server application and its integration with Directory services.

●      Planned, designed and executed automated performance test to verify and validate the messaging, verified the wireless gateway system performance conformance, identified performance bottle necks and performance degradation using LoadRunner.

●      Developed tests scripts to verify provisioning functionality for subscriber, in downstream and upstream nodes using XML request/response method in Vitria System using Quick Test Astra.

●      Technical Tools: Test Director, Quick Test Astra, Load Runner, Solaris 9, Monitor Master, WAP simulator, Oracle 9i, and Mysql.

VERIZON WIRELESS, Network Technology, Walnut Creek, CA                                                                   Jun 2003 – Dec 2003 

System and Performance Engineer (Contract)

Joined as a lead at network technology group to configure EVDO test lab environment; planned, designed, developed performance test framework for WAP Gateway Server and BREW App. Worked with different vendors regarding Conformance and User Acceptance testing.

●      Measured the performance of streaming, mms, email, pim application WAP over 1X applications for VZW MSN portal, Yahoo Load runner and Grinder and developed custom code using LoadRunner and JMeter

●      Developed and executed acceptance test procedure for SMTP relay server based upon SMTP AUTH and SASL.

●      Scripted and tested pocket outlook object model interface for pim application running on smart phone i600 device.

●      Technical Tools: Load Runner, Jmeter, Unix, AAA server

.

ESCAPE NETWORKS, Messaging Services, Ottawa, Ontario                                                                        Jul 2001 – May 2003

Software Test Engineer

Led the Test automation activities using JUnit and Grinder for Java based Messaging Application Server and GUI.

●      Identified test ideas and test cases for instant messaging application based upon Jabber protocols & J2EE Framework.

●      Executed functional, white box,  and GUI testing for unified messaging distributed application using QTP Astra and JUnit

●      Installed, configured and supported test environment comprises of  Sun Solaris, Oracle 8, WebLogic6.1 Server, Apache,  Jbuilder7.0, JUnit

●      Created Stress and Scalability test suite against messaging server by emulating production load using VuGen in LoadRunner

●      Worked with Oracle Server to verify connection pooling, data validation, data correlation and developed scripts and procedures using PL/SQL and SQL* Plus.

●      Technical Tools: QTP Astra, JUnit, Oracle, and WebLogic

OPENWAVE SYSTEM, Professional Services Group, Redwood City, CA                                                    Aug 2000 – Jul 2001

Senior Software and System test Consultant

Joined as a senior consultant to design and develop functional and performance test automation framework for Mobile Access Gateway, Portal and Provisioning Server. Worked with British Telecom, KDDI, Rogers AT&T, Qwest, and Sprint PCS.

●      Developed manual test cases and automated test script using Perl APIs for over the Air Provisioning application, the interface between Business logic server and SMSC for Preferred Roaming list project for data manipulation, parsing, scheduling, and updating.

●      Consulted British Telecom in Billing, Provisioning, and Application programming interface issues and tested user interfaces for WAP services including the mHome, MyPhone, MX, UP.LINK, n-tier applications in Java, Cold Fusion, and JSP.

●      Established test environment for prototype PRL Project comprises of Solaris 2.5, Oracle 8.17, MQ series, JBoss, MQ Series, Perl libraries using Gateway simulator 5, the interfaces between OPM, Proxies, and UP.LINK4.2

●      Designed and developed SQL store procedures and functions and Perl scripts to provision subscriber using PL/SQL and Perl API.

●      Developed shell scripts to manage services, provision subscriber in batch manner, monitor traffic and review log files

●      Delivered training courses in portals, Portals, MyPhone, UNIX, UP. Link gateways and mentored new employees.

●      Technical Tools: WinRunner, Perl, Solaris 2.6, Oracle 8.17, Grinder and MQ series

NORTEL NETWORKS, OAM&P Wireless Division, Ottawa, Ontario                                                          Jan 1997 – Aug 2000

Software Design Verification Engineer

Designed and coded features for Super node data manager and Super Node Billing Application using C++, STL, ClearCase, on Unix Platform. Supported the maintenance and enhancements cycle for SBA, SDM and MTX products

●      Designed functional specification for Super Node billing application - File Transfer and Access Management Application within the constraints of the requirements, architecture, and development process for MTX for CDMA IS-95 network.

●      Conducted code inspection and peer review for SBA software architecture for Mobile Switching Center.

●      Worked on development environment  comprises of HP-UX11.0, AIX6.5, SDM, SBA, Clear Case, Sniff, Gateways, Routers, switches, TEAM. Configured Super Node Data Manager.

●      Completed courses in RTOS, Wireless Networks, and Clear Case, TCP/IP, VoIP, IP Telephony.

●      Technical Tools: RTOS, ClearCase, AIX, HP-UX, TEAM, C++, ClearQuest and Oracle.

EDUCATION

●      Master of Engineering in Telecom Technology, Carleton University, Ottawa, Ontario

●      Bachelor of Engineering in Mechanical Engineering, NED University

COURSES ACTIVITIES AND AWARDS

●      Oracle Communication Service Gateway, deep dive training, Oracle University, 2010

●      Oracle Communication Service Broker, Oracle University, 2010

●      Sip Server, Oracle University, 2010

●      iPROPS for Project Managers, Semcon Project Management AB, 2009

●      Rational Performance Tester, IBM learning, 2008

●      Microsoft SharePoint Technologies, Learning Tree International, 2007

●      Unix Administration course, Learning Tree International, 2007

●      Rational Functional Tester, IBM Learning, 2007

●      Rational SOA Tester, IBM Learning, 2007

●      Test Technologies Boot Camp II, Cisco System, 2005

●      CDMA Data Overview, Award solution Inc., 2000

●      Passport SW Development Fundamentals, Nortel Network, 2000

●      CDMA 2000, Award solution Inc., 2000

●      Multivendor Interworking Routers and Switches, Global Knowledge, 2000

●      Best employee award, Ericsson, 2007

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