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Oracle Corporation: Raleigh, NC
Nov 2014 – present
http://www.oracle.com
Job title: Senior Engineer (Lead Position :
Automation Tool Development responsibility)
Responsibilities: Handle complete
automation test platform for EAGLE and DSR product qualification.
Programming language and Testing Tool used for product qualification are
Python, Perl, Java, C++, EAST, IXIA, and MGTS.
My responsibility is to automate all
manual testing and enhance load capability. I am interfacing with the
development team and customer facing problems.
Time Warner Cable: Herndon,
Virginia
Nov 2008 – Oct 2014
http://www.timewarnercable.com
Job title: Senior Software Engineer (Automation
Team Lead position), Voice Engineering & Arch Team
Responsibilities: Automation
Feature and Performance Load script development, Testing and release final
product to Network-Operation team for field upgrade.
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Developed
Automation Test Simulator for IMS VOICE Feature Test and Speech Test
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I
have hands on experience in CPE, DOCSIS, CMTS, IMS and other devices
included in the real network for Voice services.
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Developed
automation test simulator for NCS Feature, IMS Residential, IMS Commercial
features, GIA routing, LCR routing, Cable Modems, Voice Mail,
Announcements, SS7, TGW, MGW, SBC, NSN IP-Unity, ALU MRF, ESG Trunk
Services, LD, ILD, N11, Class-5 features, Inter-operability, Conformance
and Error Code Mapping test type.
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All
different Cable modems, CMTS.
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Developed
voice testing architecture for DACs, Channel Bank, Lab Manager.
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Developed
CDR analysis tool for capacity planning, lab testing. This tool supports
End-to-End Call for IMS, Access Tandem, Residential TAS (NSN HIQ) and
Commercial TAS (ALU CTS).
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Developed
Device Failover Test simulator.
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Responsible
for Firmware release, Vendor Management, Complete product Test Cycle, and
product deliverables to Voice Operation.
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Responsible
for Resource, Time/Schedule, Cost and Resource Management for complete test
cycle.
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Use
JIRA for open trouble tickets, tracking and team interaction/communication.
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Worked
on SOAPUI for telephony feature provisioning and message communications
between client and server.
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Worked
on XML and HTML scripting for Portal, feature provisioning, VPNS and
Phone2Go
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Developed
Test Simulator for PRI over DOCSIS.
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Gain
experience testing in different products, devices, technologies, vendor
equipment, network applications, services, routers, switches and network
nodes.
·
Developed
subscriber manager and DACS/Channel bank dynamic connection for automation and
manual connectivity using Java, C++, TCP and SNMP protocol.
·
Developed
Portal Test simulator
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Developed
product for automatic subscribers feature provisioning and perform feature
testing. This is completely autonomous, data source is defined in Database
and Test report generate in the database.
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This
product is compatible for all MTA, Web portal and TAS feature provisioning.
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Developed
Test Solution for Phone2Go APP testing for wide range of platforms
including IOS and Android.
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Load and
Performance Test Simulator
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Worked
on Internet scale applications where performance, reliability, scalability,
resource optimization and cost savings are critical design goals for my
test requirement.
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Developed
Load Test simulator for IMS(proxy, serving, Interrogating), Diameter, HSS,
SBC, Access Tandem, NSN HIQ, CISCO BTS, ESG Trunk, LCR, IP-unity, MGX, MRF,
VPNS, XML, HTTPS, SIGTRAN, SCCP, TCAP, MAP, INAP, LNP, CNAM, ENUM, 1800
call type, mixed call load testing and inject errors into the call load.
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Routing and
Switching protocols
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I
have hands on experience in Sycamore Channel Bank, DNX, RAD DACs, GSR,
CISCO 2960 and CISCO 3750 router configuration and setup
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I am
familiar with Web-RTC test simulation for Voice Calls.
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Lead teams
through the entire software development lifecycle and manage release
activities
Prodea Systems: Plano, Texas
Sept 2008 – Nov 2008
http://www.prodeasystems.com
Job title: Senior Software Engineer
Responsibilities:
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Developed
functional, capacity & Integration test script for JBOSS, XCP, XCM,
Alarm, Billing Collector, SRS and SBC feature testing.
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Created
protocol libraries for XML, HTTP, XMPP, SIP using EXFO Protocol Builder.
Below test scripts are developed to test Prodea SRS:
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Service
Modify [Activate, Deactivate, Operational, Disable & Suspend], Reset
Activation, User Activation & Authentication, Location Update
procedures.
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SIP
w/Roam in between OnNet, OffNet & Registration
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Simulate
Transport Layer Protocol such as TCP/IP, UDP/IP & TLS
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Did
error debugging, Log analysis in high traffic, over night traffic report
generation & core dump/error analysis in JBOSS, SRS, and RSC etc.
EXFO-NetHawk Corporation: Richardson,
TX
Jan 1999 –Sept 2008
http://www.exfo.com/en/NetHawk/index.aspx
Job title: Senior Telecom Engineer (Product
Manager for UMA, Lead product development and support team)
Responsibilities:
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Requirement,
Design and Documentation
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I
have worked on Requirement, Design (high level, detailed level and
functional), Unit and System Test Plan, User Guide, Release documents and
Training Materials.
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Product
Design
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Developed
LTE MME & ENB Signalling protocol with NAS feature, functional,
capacity & integration test tool. This product successfully deployed at
Motorola, ALU.
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Developed
SIP & RTP feature, functional & capacity test simulator. This is
successfully deployed at VeriSign, Cedar Point Com, NSN Peltola, Sonus,
Tekelec, Genband.
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Developed
GSMA and GPRS protocol test simulator for feature, functional &
capacity testing. This product successfully deployed at NSN, ALU, Motorola
& ComSource Inc.
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Developed
GSMA Supplementary services and Inter/Intra Hand-off test simulator for
feature, functional & capacity testing for ALU, Motorola & NSN.
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Developed
UMA CS with bearer, PS network, IP-Security, Supplementary Services,
Hand-off feature, functional and capacity load testing Test Simulator. This
product successfully deployed at Motorola INC, ALU UNC, Mavenir UNC &
NSN UNC.
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Developed
IMS, COPS, Rx/Gx/Gy/Ty Diameter and Radius protocols Test Simulator for
feature, functional & capacity load testing. This product successfully
deployed at Camiant Policy Server at Boston, Verizon and Motorola in Spain.
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Developed
BICC with RTP feature test simulator and successfully deployed at NSN and
ALU.
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Developed
IOS, SIP, MGCP/MEGACO, H.323, H.248, SS7, CAS, ISDN [PRI & BRI] with
bearer verification for feature, functional & load test testing Test
Simulator. This product successfully deployed at Cisco, ALU, Verizon,
Keymile, CedarPoint and many other customers.
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Developed
Pre-paid and Post-paid mobile services test tool for ALU.
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Developed
Next Generation (3G) CDMA-2000 wireless protocol Test Simulator for
feature, integration & Capacity Testing.
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I
have worked on different switch functionalities and simulate EAST test tool
as a call generator including Signal, bearer & PESQ measurement (from
OPTICOM):
- Alcatel-Lucent MSC, UNC, SGSN, HLR, MGW
- Nokia-Siemens MSC, UNC, HLR, MGW
- CISCO BTS, Call Agent
- Motorola UNC, SGSN/GGSN, HLR & MGW, IMS
- Sonus SIP Proxy
- Tekelec MGC & MGW
- Keymile ISDN PRI & BRI
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Developed
Conformance & Capacity test simulator for PTT over Cellular based on
NSN specification.
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UMA and
SIGTRAN Product Management
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Involved
in UMA Network & SCTP/SIGTRAN Product Management work for writing Data
Sheet, product feature details and respond to the Sales Queries.
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Prepared
Project Time Management, Costing, Resource Management, Risk Management.
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Product
Training and Seminar
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Offered
NETHAWK Wire-line and Wireless test tool training and Lab hands on
experience to larger group at following customers
Motorola Spain, Com Source Inc, Alcatel-Lucent, Cisco, Sonus-Net, Keymile,
Cedar Point, Sprint, Verizon.
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SCTP and
SIGTRAN Protocol Stack Development
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Developed
SCTP stack based on RFC#2960, #4960 & draft versions over Eth/IP using
C++.
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Developed
SIGTRAN [IUA, M3UA, DUA, SUA, M2UA, M2PA] protocol stack using C++.
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Developed
Feature, IOT, Conformance & capacity test scripts for SIGTRAN protocols
based on RFC & draft version. This product successfully deployed at
CISCO, TEKELEC, ALU, NSN, SONUS, KEYMILE and FUJITSU.
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Automation
and Load Test Tool Development
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Worked
on Requirement, HLD, FDD, User Guide and Release Note
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Developed
product, feature and stack development such as Script Builder, Test
Execution Editor, TCP Stack, UDP Stack, SCTP/SIGTRAN Stack, Logger,
Reporter and Scheduler.
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EAST
Database (RDBMS Flat File Database) development using JAVA & C++.
Developed following features
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Software
developed for Database Table Editor & Data population using JDBC/ODBC
driver.
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Primary
Key, Indexing, Reference Key, Import & Export data.
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Database
Migration in between Flat-file, Ms-Access, SQL and Oracle.
Interim Test Range: DRDO, Govt. of
India
Mar 1998- Dec 1998
Job Title: Internship for 6-months [Mentor: CR.
Maulik Scientist-G (Head Of Radar Department]
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Developed
Office Automation software using VisualBasic-6 & Oracle-7.2 based on
the standard requirement and design document. Successfully deployed
automation software in ADMIN and RADAR department.
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