Tarak Dey Email & Phone Number

15 years of experience in L47, Virtualization, Telecom / Networking domain testingCurrently working on Keysight L47. Application & Security product lineProficient on various virtualization platforms, such as:AWS, Kubernetes, Openstack (Hands on experience on various OpenStack flavors like Juno,Kilo,Liberty,Mitaka,Newton)OpenContrail VMWare ESXI KVMExperience in AGILE SCRUM METHODOLOGY• Performed Real Equipment testing in GSM (2G & 3G) Core Network (HLR, MSC/VLR, SGSN, IN, SMSC, SS7 switch STP etc) Call flows.• Performed Real Equipment testing in GSM Access Network (BSC, BTS, TCU, Handset etc) Call flows.• Performed LTE (Long Term Evolution) core network testing.• Experience on MAP, Diameter, SS7, SIGTRAN (M3UA, SCTP), MTP3, SCCP, TCAP protocol.• Worked on SS7 Message Routing ( Routing Protocol like MTP3)• Involved in Real Equipment Test, Feature Acceptance test, Compliance, Load & Stress test, Performance Regression, System Testing, Protocol Testing, Interoperability testing and Sanity.• Carried out Feature Requirement analysis, Feature test plan, System Test strategy, Test effort estimation, Test Automation, Execution, Test reporting• Working experience in test tools: IPSL, BSSAP Simulator, Stratus, TestOffice, Gida.• Working experience with Wireshark and NetHawk analyzer. • As a developer, developed automation test cases & scripts (using IPSL, BSSAP Simulator, TestOffice, Stratus and tcl/tk) for different manual suites.• Validation of GSM product by manual and automation testing.Specialties: Functional Area:GSM, GPRS, LTE (Core Network), SIGTRAN, SS7, IN-CAMEL, USSDProtocols:MAP, DIAMETER, SIGTRAN (M3UA, SCTP), SCCPOperating System:Windows, Solaris, Linux Language: C, Shell Scripting, TCL/TK, AWKTesting Tools:IPSL, BSSAP Simulator, Stratus, TestOffice, GidaAnalyzer: Wiershark, NetHawkDefect Tracking Tool:TOM, Clarify, Quality Center.Testing Expertise: Real Equipment Test, Functional Test, System Test, Compliance Test, Load & Stress Test, Performance, Regression, Sanity