SUMMARY:

• Working as Professional Services Architect / Team Lead / Automation Test Tools Developer / Operational / System Integration Engineer / Software System Verification Engineer / QA Engineer
• Proficiency in Developing Test design, Test procedures, Test Scripts, Test Automation and Test Execution of new features and functionalities.
• Talented in Developing Framework, Automation Test Tools using Shall/Tcl/Tk/C/C++/C# Perl/ Python/Expect/HTML/SPML/ XML/IPSL/Java, JUnit programming languages in Windows, UNIX, Linux, Lynx and C# in Microsoft Visual studio including UI and Developing Database Queries in Toad Oracle, SQL developer, SQL Server Management Studio and MS Office Suite, MS Project, ClearCase environment, HP QC ( Quality Center) etc and SME, Network Protocols and Standards EIGRP.
• Worked on Open - source web based automation tool Selenium IDE, Selenium 2 WebDrivers like Mozilla (Firefox), Chrome, IE (Internet Explore) and Selenium Grid
• Hands on OpenStack Environment Dashboard like Project tab, compute tab, Network tab, Orchestration tab, Object store tab, Identity tab and OpenStack services like keystone, nova, glance, cinder, heat, horizon, neutron
• Interacted with marketing and development engineers understand the product requirements, working with SDLC, Agile methodologies.
• Expertise in Commissioning, Designs, Integration, Operations, Deployment in production sites, Production Support or Performance Solutions for Customers, IOT, Requiring knowledge in multiple technical areas, Capacity, Reliability, Load Testing, Chassis Level Hardware Redundancy, and Geographic Redundancy Testing and Interoperability/Solution level testing with different venders, software installations, security system testing and troubleshooting.
• Specialist in IMS, VoIP and Telecom/Network protocols like Diameter, SIP, MSRP, MEGACO/H.248, MGCP, IUA, SIGTRAN, SCTP, SS7, ISDN, R2, TCP/IP
• Design and developed VOIP stack test tools like MEGACO, MGCP, SIGTRAN in UNIX and C

PROFESSIONAL EXPERIENCE:

Confidential,Bellevue,WA

Senior Engineer, NPPI

• Ownership and Responsibilities for Confidential calling Performance National level and Node level, Legacy WiFi 1.0(A-SBC) and NextGen WiFi 2.0 (ePDG) Network analysis and Services offered by T- Confidential SMS, MMS and VVM and call flows Measurements, limitations and Solutions. Reporting KPIs Number Daily and Hourly of Messages, VVM, Registration Success Rate, Message Success Rate, Unique subscriber count, MMS count for Network Node Level analysis and Marketing analysis, Developing Queries using tools like Toad Oracle, SQL developer and SQL Server Management Studio for backend database access, reporting problems in Intake, JIRA Technology trouble ticket tool and working with Tier 2 resolving the problems
• Dashboard for IMS Capacity and Performance National level and Node level elements SBG, BCGF, ASBC, TAS, I/S CSCF, MRFP. KPIs Reporting Daily and Hourly for Active Registrations, Registration Success rate, Confidential Origination Call success Rate, Confidential Termination Call success Rate, MAX CPU/Memory, Average CPU/Memory, Capacity Utilization, Hardware Limits, Engineering Limits, Overload Threshold

Confidential,Richardson,TX

Senior Technical Lead, Operations

• Working on RCS ( Rich Communication systems) in T- Confidential IMS network
• Deploy/upgrade new software releases on ATCA Linux platform RCS in T- Confidential production network / LAB
• Executing RCS ATP and interworking with other network elements CSCF/SBC in T- Confidential LAB
• Supporting production network elements RCS
• Deploy and Prepared Method of produces for vSBC-BGW in OpenStack Environment Dashboard (using keystone, nova, glance, cinder, heat, horizon, neutron)

Confidential,Morrisville,NC

Professional Services Architect

• Developed Network Architect Planning Documents and Solution Architect Engineering /Planning Documents for AT&T LTE DSR ( Diameter Signaling Router) products
• Interface with Sales Engineers, Customers, and other Confidential team members to collect information and plan the initial implementation process according to Confidential /Oracle standards
• Monitor project progress and provide feedback to Project Manager, and Sales Engineer before problems occurs
• Determine that all required information for implementation has been collected before the implementation occurs
• Perform an error free implementation according to Confidential standards in minimum time
• Test and validate implementation to customer and Confidential specifications
• HP-C class Blade systems, c7000 enclosure with G6, G7, G8, and Linux rack mount servers DL380, Switches like CISCO 3020, CISCO 4948, HP 6120 implementation design, installation, configurations and bring to live network traffic.

Confidential,Irving, TX

System Integration Engineer

• The Nokia Siemens Confidential (NSN) End-to-End IMS Solution for Verizon LTE: components and interfaces like CFX-5000 Call session control function (CSCF) and CMS-8200 Home Subscriber Service (HSS), Application Server (HiQ) and NetAct Advantage Commander, Gm interface, Mw Interface, ISC interface, Mr interface, Mg interface, Mn interface, Cx interface, Rx interface, S6a interface and Sh interface
• Working as NSN representative/Solution Engineer for Verizon Customer projects like Voice over Wifi Trial and VoLTE Trial in Walnut Creek Lab, CA and production trail for VoLTE at Branchburg, NJ
• Commissioning, integrating, testing new functionalities/feature and troubleshooting with network problems
• Software Installation / Upgrade of CFX-5000 and CMS-8200 and NetAct writing/ verification of MOP for Verizon
• IOT testing with GENBAND MRFC for Mr interface (Transcoding for VoLTE)
• New feature testing using IPSL scripts for Verizon and writing/ verification of ATP for Verizon
• Created 100K subscribers on ONE-DNS and running load test with IPSL scripts on Mr interface
• Open Resolve tickets for defects/failing test cases and working with Technical support and R&D eHRPD attach testing with AAA, HSS and HSM network elements

Confidential, Westford, MA

Software System Verification Engineer

• Experience on various telecom core products:
• The Alcatel-Lucent End-to-End IMS Solution Platform: components like 5020 Media Gateway Controller (MGC-8), 7510/7520 Media Gateway (MGW), 5025 Voice Signaling Gateway (VSG), and 5420 Converged Telephony Server like SIP Application Layer (SBC), SIP base applications, PBX
• High quality features for LGP/ATCA platform VOIP product (SG, MGC, and MG) releases Completing new feature test plan as per QDI and the TL9000 process, executing the new feature test plane as per schedule and regression and re-regression testing completing in time.
• Worked with VoIP (Voice over Internet Protocols), Telecom protocols and call flows with interworking like MEGACO/H.248, MGCP, SIP/SIPT/SIPI, SIGTRAN (M2UA, M3UA, M2PA, IUA, SCTP with multi-homing), MTP, ISUP, Broad range of country-specific ISUP variants, SS7(TCAP, INAP, LNP, AIN, WNP, CAMEL), ANSI SCCP, ISDN(Q.931,PRI), R2, CAS(FG-D,MF, line or trunk), IPC, IP protocols, IPv4/6, telnet, FTP, TFTP, SSH, IP Sec like DoS attack etc
• Supported testing features that included writing test plans, getting them reviewed, update them and get test cases in test database and billing Mediation testing
• Preparing the MGC/MG simulator on Tcl/Tk for System Test Tool and working in automation tools GUI, C, XML
• Tested GUI based JAVA OMC-P Element Management System on SQL database
• Supported call processing on MGC - Flexible dialing plans, Digit manipulation, Intelligent network(IN) trigger support, Incoming exclusion screening, Class 4-optimized multikey routing with built-in recursion support, time-of-day routing, Reroute on release, Re-origination alternate routing, Configurable hutting algorithms, Source trunk group routing/partitions, Routing to announcement, treatment, tones, Load-sharing trunk groups, Telephone Number Mapping(ENUM)/domain-based routing, CODECs supported:G711, G.729a/b, Enhanced variable Rate Code(EVRC), Inclusion of MGW for transcoding,
• Supported features on MG- Stable call preservation under failover, Virtual(partitioned) MGW, Equipment Protection Switching(EPS), Automatic protection Switching,(APS) support for optical SONET/SDH interface modules, All modules are hot-swappable, G711u/a-law, G726, G723, G729, AMR/IP/ATM adaptation Layer 2 (AAL2) luCS(3G UMTS)/Nb-UP/TRP (Nb interface for bearer independent call control BICC)/ RFC 3267 for SIP, EVRC/CDMA Evolution data Optimized (EvDO) revision A, G168 echo cancellation, up to 128ms tail length, Adaptive jitter buffer with configurable upper limit of 145 ms, packet loss concealment(PLC) Silence suppression, voice activity detection(VAD), Comfort noise generation(CNG), tones and announcement services
• Providing new customer’s installations support, Providing stability while running load test and over night test with silly-savvy platform test tool, defects/failing test cases are reported in Bugzilla (Problem Reporting Tool)
• Providing/support and re-creating problems on customers release, working with customers and re-creating problems in SQA environment and working with development engineers for debugging
• Re-creating customer’s bugs (says SPRINT, AT&T and BELL SOUTH)

Confidential

Design Lead

• Prepared the System Test Deign Specification feature testing, the System Test Procedure Specification, System Test Procedure Specification Execution, the System Test Procedure Summary Report. Failed test cases are reported in PRT (Problem Reporting Tool). Software installation for load Sanity Testing, Resolution testing for testing the fixes of the Problem Reports of this current load as per ISO 9000.
• Developing Automated System Test Tool in UNIX and C for SIGTRAN STACK - RFC- 2719, Media Gateway Control Protocol (MGCP) - RFC- 2705, and Gateway Control Protocol (MEGACO) - H.248 RFC -3015
• Automation for SCCP routing & Management test cases, designing, developing in Clear Case environment & Testing in TEST EXPERT TOOLS of test cases using Perl and Expect Languages on SUN SOLARIS. Prepared the documents for execution of automation test cases