8609 Lindenwood ln, Irving, TX 75063–Phone: 774-288-9707

    Permanent Resident

raju.bingi.rb@gmail.com

 

Over 19 years of experience in Software Field:

·   19 years’ experience in TELECOM/LTE/IMS/VOIP and known as Quality Assurance Specialist

·   Working as Professional Services Architect / System Integration Engineer / Software System Verification Engineer and Professional services in AT&T LTE / Verizon IMS / T-Mobile IMS environment

·   Expertise in Commissioning, Designs, Integration, Operations or Performance Solutions for Customers, 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

·   Proficiency in Developing Test design, Test procedures, Test Scripts, Test Automation and Test Execution of new features and functionalities.

·   Specialist in IMS, VoIP and Telecom/Network protocols like Diameter, SIP, MSRP, MEGACO/H.248, MGCP, IUA, SIGTRAN, SCTP, SS7, ISDN, R2, TCP/IP, SPML, XML, HP QC ( Quality Center) etc

·   Talented in Developing Test Tools using C/C++/Perl/Tcl/Tk/IPSL programming languages in UNIX, Linux, Lynx and C# in Microsoft Visual studio and developing queries  in Toad Oracle, SQL developer and SQL Server Management Studio  

·   Design and developed VOIP stack test tools like MEGACO, MGCP, SIGTRAN in UNIX and C, also test cases automation Shall/Tcl/Tk/Perl/Expect programming languages in Clear Case environment.

·   Highly skilled in using test equipments like SPECTRA2, INET, Hammer, Hammer ST, SIP phones, GL Comm., Ameritech, SAGE, PSAX and IRIS Performance Intelligence, Session Analyzer and Protocol Analyzer.

·   Interacted with marketing and development engineers understand the product requirements.

·   Established, implemented and utilized detailed work plans to guide the delivery of projects, support team needs for mentoring, staffing, resource planning, lead, facilitate, and participate in cross-functional team environments.

·   Worked closely with other IT teams including Technical Architecture, Development, Network Administrators, Security Staff, etc. as needed.

·   Developed project plans and implementation strategies for enterprise initiatives. Identified and implemented process improvements.

 

PROFESSIONAL EXPERIENCE

T-Mobile, USA                       Oct 2015 – March 2016

Senior Engineer, NPPI (Network Performance and Planning and Implementations)

Role and responsibilities

·   Ownership and Responsibilities for GoGo WiFi 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-Mobile 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, 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, Mobile Origination Call success Rate, Mobile Termination Call success Rate,  MAX CPU/Memory, Average CPU/Memory, Capacity Utilization, Hardware Limits, Engineering Limits, Overload Threshold

 

Mavenir Systems/ Mitel       Feb 2015 – Aug 2015

Senior Technical Lead, Operations

Role and responsibilities

•             Working on RCS ( Rich Communication systems) in T-Mobile IMS network
•             Deploy/upgrade new software releases  on ATCA  platform RCS in T-Mobile network / LAB
•             Executing  RCS ATP and interworking with other network elements CSCF/SBC in T-Mobile LAB
•             Supporting production network elements RCS

 

Oracle/ Tekelec         June 2012 – Feb 2015

Professional Services Architect

Role and responsibilities

·   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 Tekelec team members to collect information and plan the initial implementation process according to Tekelec/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 Tekelec standards in minimum time

·   Test and validate implementation to customer and Tekelec specifications

 

Nokia Siemens Networks            Jan’2011 – June 2012

System Integration Engineer

·   The Nokia Siemens Networks (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 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  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

 

Alcatel-Lucent / Telica Inc            July 2001 – Jan’ 2011

Software System Verification Engineer (July 2001 – Aug 2010)

Project: The Alcatel-Lucent End-to-End IMS (IP Multimedia Subsystem) Solution Platform 

Role and responsibilities:

·   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

·   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), 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)

 

Axes Technologies INDIA December 96- February 01

Design Lead

Project: ALCATEL PROJECT, Mega Hub 600E CLDC 508, CLDC 508, GT-600, STP (Signal Transfer Points), VOIP STACKS

Role and responsibilities:

·   Switching products like CLDC, 600GT, and STP switches

·   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

·   To develop coding for PROGRAM BATDEM new MMI (This is developed in UNIX and C on SUN SOLARIS), Prepared UTS (Unit Test Specifications) document for PROGRAM BATDEM module, Tested and Prepared report for PROGRAM BATDEM.

·   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

Additional Academic Projects Experience

Indian School of Mines, Dhanbad, India            May 96 -December 96

Project: Object Oriented Image Analysis using Mathematical Morphology

·            Analysis, Design, Implementation and Documentation for manipulation of shape using mathematical morphological operation for given image using C++ programming language.

G.M. Sanghi College of Commerce and Science, India    July 93-March 95

Roles & Responsibilities:

·    As a Programmer, main responsibilities included Design, Developing, Testing and Documenting for academic purposes in dBase III Plus, PASCAL and C. worked on Admission Process System, Attendance Processing System, Library Information System, and Personal Information System.

Education:

M.S Computer Applications, Indian School of Mines Dhanbad, India, June 95 – Dec 96 (known as IIT Dhanbad)

M.S Mathematics (Computer Science Major), Osmania University, India, June 90 – May 92

Honors:

Qualified in GATE-95, the qualifying examination for Masters, Conducted by Human Resources Department (India) with 93.49 percentile (All India Rank 051).

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