SUMMARY:

• Over 19 years of experience as a SME, Solution Architect, System Engineer, Network Engineer, SystemTestLead/QA, PM:
• I am a hands - on Sr. S/W Engineer with broad experience in telecom research, Cisco/Juniper network engineering, system analysis and end-to-end testing of complex telecommunication applications and platforms for Systems Integration FM/PMOSS OSS Solutions (DWDM, OTN), various Service Assurance Applications Integration, Network/Platform Orchestrators, Heat templates (Heat, Nova, Neutron), NFV/SDN Controllers, Hypervisor, vSwitch, OpenStack Cloud/AWS, Diameter Routing Agent (DRA), Hands-on experience with AWS Clould. Network Cloud Virtualization/VPNaaS, REST, API, JSON, SharePoint in
• Cloud, Computing/Content Cashing in Confidential &T Domain 2.0 /5G, DevOps, Hypervisor, VM, Flavors, Linux (Red Hat), Big Data, Fabric Switch, OSPF, CVoIP of VoLTE, LDAP/Diameter, STP/SCP/Enum with SS7, DNS, LDAP, SNMP (INSTAR, AOTS) Traps/MIB, ESM, EMS/NMS, EMC SMARTS, NTP, ICMP, BGP/MPLS VPN, Security/Firewall, Security Scan (GS), Iptables, Implemented Public/Private Keys, Security roles in Big SAN Data, Load Balancing, Diameter, RADIUS AAA. Router/vSwitch, Service Provisioning in SPFE, End-to-End SIP callflow, IMS, HSS, TAS, IVR, ITIL, BMC, Remedy, HPQC. Writing and executing high quality MOP/SOP, specifications, test plans for systems Integration, CAT/UAT/BST, QA/System test, network provisioning/configuration and Product Validation, automating test cases in all Win OS, Unix and Linux environments. Strong experience in end-to-end testing of complex systems in VoLTE, IMS, vNF/VM, Virtualization, KVM, Load balancing (Blade Server), OpenStack Cloud and Supporting Customer to develop solution architecture. Excellent communication skills and interpersonal team abilities. AWS Cloud (In Progress)
• Confidential: Design, configure Diameter Routing Agent (DRA) in 4G LTE networks, including OpenStack Cloud, SDN, KVM hypervisor, Network Function Virtualization (NFV), Load balancing, PCRFs, PCEFs, HSS, IPv4, IPv6 in Production and Lab. Wrote LLD (Low Level Design) for DRA/DDE/CSD
• Confidential &T Domain 2.0/ 5G, DevOps: Design Validation/Verification/ for Production as SME (Subject Matter Expert) in Confidential &T Labs (closely work with ALU/ Confidential vendor, internal customers) DevOps
• Network/Platform Orchestrators; Hot templates (Heat: Nova, Neutron) for NFV/SDN controllers; OpenStack Cloud/AWS/Azure (Multi-Tenant), Computing/Content Cashing/UCS, Flavors Linux (Red Hat), Network Cloud, Hypervisor, VM, Virtualization/VPNaaS, Load Balancing (Blade Server), SharePoint in Cloud, BGP/MPLS VPN, Security/Firewall, Security Scan (GS), Iptables, LDAP/ Diameter/AAA. Implemented Public/Private Keys. Integration with REST, APIs and JSON, IPv4 and IPv6 networks, Router, Layer2&Layer3, SWC, A&AI, DCAE, ECOMP, Linux INSTAR, AOTS, FM/PMOSS OSS Solutions (IPv4&6)
• As a key person, configure SNMP Nagios Trap/Alarm/MIB for vNF/VM Platform with firewall security using CLI.
• Debug & troubleshoot Out of Services (OOS) and End-to-End Callflow failures
• Involved in design issue discussion with vendors, providedmany valuableimportantsuggestionstoimprove Confidential vNF SW (vCTS-UDR/vSDM 8661:Service Provisioning in SPFE, vStateDB/v3CDB:Data of Registration & Session) for New implementation Design Solutions. Update New Design Requirement with CR based on detail feedback from Test results. Review & Correct GS (Gold Standard) for new Confidential /ALU CSAR SW
• Install/Instantiate/Configure IMS ALU/ Confidential VM/vNFs (Orchestration) in OpenStack Cloud: vCTS-UDR/vSDM 8661, 1360 vCOM, vStateDB/v3CDB (Redislabs), HSS-vUDR, HSS-vStateDB, ISC/CSCF, SBC, Platform&Application Feature testing, Nagios/Native Alarms, SNMP traps/MIB/ICMP, PMOSS, AOTS trouble ticket, Failover/Local&Geo Redundancy, LDAP, DNS, NTP, Host Aggregation, End-to-End callflow, Firewall, Security, SPFE Subscriber Provisioning, Affinity/anti-affinity rules, Zone awareness, SW upgrades, Configuration updates), image snapshot backup/restore, VoLTE, Cricket (Ixia, SoftTest), IRIS/Wireshark, SIP, Diameter Signaling/call flows
• Supported EMS Web platform for a national-wide complicated VoIP network to process various vendor IP router traps. Tools, technology deployed include: SNMP Trap/MIB, EMS/NMS, Fault Management FM of Cisco/Juniper/Redback routers/switches for Confidential &T backbone in VoLTE/Mobility.
• Fujitus: Designed DWDM Network configurations; performed/implemented interoperability & load balancing of Confidential equipment with OTN, Switches, Fabric Switch/UCS, Cisco/Juniper routers in Data Network to verify QoS (SA-Care) using Innocor/IXIA/Smarbit/Agilent N2X
• Validated/implemented Ethernet transponders with optical channel dedicated protection ring (OCh-DPRING or OUPSR) hardware and wave selectable switches using NetAnalyst/JDSU
• Provided Tier 3 Customer Support (SA-Care) for Provisioning, Trouble Tickets, debugged/troubleshot in OracleDB, installation of packages, patches, maintenance & updates on Linux, Unix. EMS/NMS/SONET/SDH/VoIP DWDM Network, L3 Data Networking. Ran project meetings and status reports. Call Flow/Call Routing testing in IMS/VoIP. (Wireshark). Identify and resolve problems and defects. Ensured projects met schedules and delivered high quality systems in a timely manner. Assisted Solutions Architects, monitored and reported infrastructure and systems characteristics (e.g. DB pruning). Performance tuning and capacity management. Installed EMS/NMS client/server. Configured BGP, OSPF routing protocols. Maintained, monitoring and troubleshot LAN/WAN, MPLS core network. Tested transmission, PM, FM (SNMP) in SONET/SDH using IXIA/Spirent SMartBit. Tested EMS/NMS Server on Solaris, implemented EMS/NMS full functionalities (including Alarm thresholds). E2E VoIP SIP calls with CPE using Hammer. Debug/troubleshoot using Wireshark (analized and debuged logs with extensive SIP knowledge)
• Confidential: Tested SMS Short Message code, call processing of Redirect/Forward, Enum with SS7 in real-time CDMA, TDMA, GSM (WiFi/RF/Bluetooth/antenneas, RF receivers/transceivers) networks. (Oracle DB Reporting). System, regression load testing OSS Solution on Confidential Routing Platform: verified prepaid wireless services (voice, SMS, data) on Prepaid Billing Platform (WiFi/RF) in MVNO over Confidential network. Tested Diameter protocol (RADIUS) AAA, Firewall, Access Control List (ACL IPv4&6), Security Test in SAN Data Network: Virtual Load Balancing in SAN Data Network, Performance/Stress testing with auto, using IXIA/Spirent/SmartBit in Security Network. Designed Circuits for Confidential Network - Audit/verify network elements, LEC data with auto for alarming, configuration inconsistencies and optimization, worked with field engineers for field support. (Network Inventory and Provisioning: ITIL Granite/Xpercom/Xng Confidential
• Integration/System test: Sever Virtualization Solutions, Web-based KVM switch/EMS/NMS (SNMP) Data Network over IP Solution with RADIUS/LDAP/Diameter protocal (AAA) & Virtual Load Balancing in KVM data network, Test Director & QTP. Performance/Load/stress test on video data with LoadRunner and Wireshark (Sniffer).
• Confidential: Systems Integration of Confidential OSS Solutions (DWDM) for Verizon Complex Network with EMS-NMS integrations, FM/PM, OM/TM. Worked directly with the customer in understanding their operational needs. CAM/CAT, trained customer in Verizon Production Lab (OracleDB). Escalated issues and supported troubleshooting and resolution of Architecture and infrastructure. Tested distributed Client-Server applications. Designed, Configured, troubleshot MPLS core & VPN networks. Functional testing of application layer over ATM/FR in SONET. Configured Multicasting on Cisco Catalyst 5500. Handled VLAN, Trucking Protocol in LAN/WAN. Created conduit & ACL on PIX firewall 520 to enable Internet host to get to Web, Ftp & Email servers. Monitoring of troubleshooting the implementation of Cisco PIX Firewall 520s ed two First Prizes by National Institute for the Advancement of Science and Technology for my work on DS-2000 and DS-30H SPC digital switching systems
• The KVM product successfully transitioned into full System . Raritan's lead Engineering Architect stated: this product was “the most thoroughly tested product to enter System Test in all his years with Raritan. The Integration Testing was very instrumental in making it possible.”
• Received thanks letters from Lucent and Raritan System Test and IT teams for outstanding technical advice and assistance
• Developed Raritan’s development and test platform environment
• Implemented and finished each SIT release of the Lucent OSS Solution on time and on schedule
• Implemented Multicasting on LAN/WAN systems in Lucent.
• Cut developer’s fix time in half by efficiently analyzing problems in various ways Confidential Raritan

TECHNICAL SKILLS:

Test tool: PMP, iTest, IRIS, Wireshark/Ethereal (Sniffer), Hammer CallMaster (Empirix), HPQC, Bugzilla defect tracking, NetAnalyst/JDSU,TestDirector & QuickTest Pro (QTP) 8.0, WinRunner, Silk, Load Runner Netscope, Hammer/Abacus, ClearDDTS, Sablime, Agilent OmniBER&N2X, Lightwave Innocor, SoftTest/Ixia/Spirent, Smarbit, Innocor, and Agilent N2X (Traffic/Packet Generators), spectrum analyzer, Netflow, Tektronix

Database: v3CDB/StateDB, RedisLabs, Performance tuning and capacity management, ITIL CMDB (Granite/Xpercom/Xng), OracleDB, Informix, Sybase, MS SQL Server, MS Access, ODBC, Confidential BladeCenter/Mainframe Systems

VoIP/Protocol: IMS, Diameter protocol, HSS, vSDM, VoLTE, IGMP, PIM-SSM, RADIUS, DHCP, LDAP, Diamater, AAA, ACL, MPLS, SNMP, CVoIP, BVoIP, SIP, Soft Switch, H.323, IVR, AVPN, VPN, VTP/VRRP, LACP, CFM,IP-QoS,, RTP, G-PON, SS7/TCAP, SMPP, STP/RSTP, VPLS,SCP, PSTN, POTS, DS1/T1, PRI, T3/DS3, PCM, WAN (SONET/SDH), DWDM, OTU2, GFP, VCAT, LCAS, LAN/WAN, QoS, UDP,Rrouting, CDMA, HTTP

Languages: Oracle SQL, PL/SQL, CLI, Java, JavaScript, VB6.0, HTML, XML, C/C++, Shell, Perl, Tcl, Awk, TL-1,assembly,Basic

Service Assurance Applications: IVR, GCP, CSI, WFA, ITL, CBUS, AOTS, BD, EM

Switching: vSwitch, OVS, Fabric Switch, Cisco Multilayer Switch; Avaya&Lucent phone systems, 5ESS, KVM DMS and PBX systems, DSL

Networking: OpenStack Cloud/AWS/Azure (Multi-Tenant), Content Cashing/Computing in Confidential &T Domain 2.0 /5G, Mobility-PE, VoLTE,WiFi/RFBMC Remedy, DWDM, OTN, CVoIP, BVoIP, SAN/KVM Data Network, Virtual Load balancing, Computing/Content Cashing/UCS, Firewall/Security, RESTful APIs, JSON, MOP/SOP, BGP, OSPF, MPLS network, LAN/WAN, L2/L3, IPAG, BMC Patrol, Cisco PIX Firewall 520, ACL, HP OpenView, EMS-NMS/Smarts/Incharge, 3GPP,WiFi, cellular technologies, IP, FTP, SSH, ARP, RARP, RIP v.1&v.2, VLAN, IS-IS, PPP, CORBA over TCP/IP, IPv6

OSs: VMWare, Hypervisor, MS Win 2000/NT/XP, UNIX ((Solaris OS and HP), Linux, DOS.

Software: MS Visio, Sharepoint, MS Exchange, FrontPage, Office Suite, Outlook

Hardware: CPE, SAN storage, NIC cards, Cisco/Juniper routers and switches

PROFESSIONAL EXPERIENCE:

Sr. 5G Solution Architect / Network Engineer

Confidential, Middletown NJ

Responsibilities:

• Debug & troubleshoot Out of Services (OOS) and End-to-End Callflow failures (Outage)
• Design issues discussion with vendor, providedmany valuableimportantsuggestionstoimprove Confidential vNF SW (vCTS-UDR/vSDM 8661:Service Provisioning in SPFE, vStateDB/v3CDB:Data of Registration & Session) for New implementation Design Solutions, HSS-vUDR, HSS-vStateDB
• Install/Instantiate/Configure IMS ALU/ Confidential VM/vNFs (Orchestration) in OpenStack Cloud: vCTS-UDR, vSDM 8661, 1360 vCOM, vStateDB/v3CDB (Redislabs), ISC/CSCF, SBC
• Write Validation &Verification Test Plans.
• Update New Design Requirement with CRs based on Test results
• Review/Correct GS (gold Standard) for new Confidential /ALU CSAR SW
• As a Key person, Configure SNMP Nagios Trap/Alarm/MIB for different vNF/VM Platform with Firewall security using CLI. Found many Missing Alarms
• Configure External DNS server, NTP. Reported NTP alarm issues.
• E2E SNMP Trap/Alarm implementation, Nagios Alarms, PMOSS (Platform & Application), AOTS trouble ticket vNFs: v3CDB/StateDB & vCTS-UDR/vSDM 8661 Validation/Verfication/:
• Fail-over/Local Redundancy, Load Balancing, Alarms, Logs, Performance Management data, Security, Subscriber Provisioning, Integration with IT Systems, Application Feature testing, GS (Gold Standards validation). LDAP/ Diameter/AAA, Host Aggregation, Load Balancing (Blade Server), Security, SPFE (Subscriber Provisioning) Affinity/anti-affinity rules, Zone awareness, End-to-End callflow, SW upgrades, Configuration updates), image snapshot Backup/Restore, E2E call-flow services in VoLTE/Cricket (Ixia, SoftTest), IRIS/Wireshark debug
• VM/vNF configuration/Re-configuration, Affinity/anti-affinity rules, Software upgrades, Configuration updates)
• End-to-End SIP Call Flow Services, including 3-way E2E call (Ixia, Exfo, SoftTest),
• Performance Testing (Load/Capacity, Call success rate, Delays, Latency, Voice/Video quality, VM/vNF instantiation metrics,, Data Replication, Zone Awareness). TMATS Test Management (Status/Reports)
• Confidential /ALU Vendor Management (Bug Fix & Software Upgrade prioritization/scheduling, Vendor Documentation)
• OpenStack Cloud, Lab Connectivity/Integration/Management/Firewall
• Found many issues and debug with ALU/ Confidential team utilizing protocol analysis tools (Tektronix IRIS, Wireshark)
• Improve/change Design Requiements by using my good test result with issues.

Sr. Network System Test Lead / Solution Architect

Confidential, Middletown NJ

Responsibilities:

• Trained team in Confidential &T lab. Setup pre-production environment.
• Designed pre-production test lab environment for ESM on SLA
• Automated Tcl scitps for various ESM (EMS/NMS) TS Provisioning regression and performance testing of Port Flopping LAG Virtual Load Balancing
• Configured and tested NET/EMUX for cVlan/sVlan/Evc/ EthernetPort/Device/Vlan/Services/NTP in CLI
• Configured Port based (EWS), Vlan based (ERS) cVlan, Sevice Provide sVlan to IPAG (Juniper M320/T640/MX960).
• Configured & tested Port&Serive Manager/LAG (Link Aggregation Group for Virual Load Balancing)/Rmon (remote monitoring)/CFM (Connection Fault Management)/NTP broadcast Migration/AAF (Advanced Access Failover)
• Debug/troubleshoot connectivity issues, fixed LAG mis-configrations in CVoIP of VoLTE.
• Reported and escalationed many issues for supporting of troubleshooting and resolution of Architecture
• Analyze debug CVoIP logs and open bugs with vendor
• Developed expertise in CLI on NTE/Emux. Working on iTest tool for regression testing

Sr. System Engineer / Solution Architect

Confidential

Responsibilities:

• Wrote/executed Business Scenario, use cases, TestPlan based on system and functional requirements
• Reviewed Test Cases with user and identified/validated test data for different applications
• Tested Speech IVR, analyzing call routing, IVR call flow, and IVR call operations.
• Used HP QC (Quality Center) for Uploading Test Cases and Defects and Confidential LOTUS Notes
• Checked logs and reports against requirements in VoLTE/MPLS. LAN/WAN Data network
• Documented test results & verified the results against requirements
• Identified and tracked defects. Worked with developers to resolve issues.
• Successfully delivered three major releases on time

Sr. Nework System Engineer / PM / Solution Architect

Confidential, Morristown NJ

Responsibilities:

• Managed and audited multiple complex projects/tasks simultaneously. Understood WorkFlow of each team, used available resources, clearly communicated with project team leads (SE, Development, System Test) to identify, track, escalate, expedite and resolve issues/risks and defects (Risk Management), find walk-around solutions relating to Change Conrol, Problem Management (e.g. split project/renegotiate timetable…), ensured multiple projects met schedule and delivered high quality systems in a timely manner.
• Coordinated with multiple ETE PM teams.
• End-to-End Call Flow/Call Routing in SIP/VoLTE/MPLS, IMS. Debug and troubleshoot using Wireshark with logs verification and extensive SIP knowledge in VoLTE
• Used ITUP PRISM, VPMO, QC Defect system, Documentum, ReqPro for requirements traceability from design through test deliverables including all internal audit compliance and reporting. Maintained good B2B relationships. Used VPMO, CMPM, and Process Center applications.
• Created and executed service assurance, service delivery VPMO, SLAs to establish multi-tier infrastructure and ETE service support systems
• Created, executed test plans for GFP, INMS, BMC Patrol and Network Management Applications based the functional requirement specifications. In comply, good experience with Express/One, PRISM, ReqPro and HPQC.
• Designed test cases, maintained test scripts, performed root cause analysis, troubleshot connectivity issues, supported product deployment
• Tested alerts/alarms SNMP trap logging directed to the syslog server
• Tested devices assigned with services: CBB, VOIP-IF1, OpenNet, AGN, BLS-DSL, Mobility-PE/WiFi/RF
• Wrote/modified tools to read HLD and automaticly create input for scripts simulation. Monitor/execute enterprise (OI) traps on DNS-TEST server. Troubleshoot SNMP traps through collector, EMC SMARTS/EMS-NMS integrations, CDC (Cross-Domain Correlation), INMS Web Tool (IWT) for XML.
• Assist development team by discovering/executing MIMIC (generic) traps on MIMIC server.
• Participated in Pairwise and end-to-end system and performance testing with PMOSS, GFP-Data and deployment support
• Participated in HLD reviews, evaluate HLDs for inaccuracies, ambiguities. Participated in all major GFP/INMS Releases
• Customized test tools to automate trap simulation for regular system test and regression test
• Tested vendor IP routers, L2 Ethernet switches and TDM/SONET legacy switches include Cisco, Juniper, RedBack, Lucent LightSpeed IMS
• Assisted development team by discovering/executing MIMIC (generic) traps on MIMIC server
• Reviewed requirement and High Level Design (HLD) documents
• Created, managed defects/MRs in SCME web-based defect system and generate analysis report for improvement
• Excellent communication, interpersonal skills, ability to work with SEs, Development and cross organization

Lead Network System Engineer / Solution Architect

Confidential, Pearl River, NY

Responsibilities:

• Used Agile for Project Management and Testing. Workstreams including project schedules, Issues, Decisions Logs
• Conducted project meetings and status reports
• Performed Interoperability of the alarms over Confidential Flashwave 9500 ROADM components (Ethernet, OTN, SONET). Transport of data services DWDM SONET/SDH using OTU2, GFP, VCAT and LCAS
• Performed Integration of Confidential SONET DWDM, Fabric Switch/UCS and Ethernet transponders with optical channel dedicated protection ring (OCh-DPRING or OUPSR) hardware and wave selectable switches
• Designed test network configurations for Confidential FW9500 with Cisco and Juniper routers and tested using Digital Lightwave Innocor, IXIA/Smarbit and Agilent N2X
• Implemented FW9500/CDS link OAM features & load balancing in Data Network using Cisco 3760/6509, Cisco 2811/2821/7204
• Used TL-1 to configure and perform test turn up for all Confidential equipment with Cisco/Juniper equipment
• Verified QoS (SA-Care) using Agilent OmniBER. Used HP Openview to diagnose faults
• Used ClearDDTS for trouble tracking, test suites, test case and requirement

Sr. Network System Engineer / PM / Solution Architect

Confidential, Piscataway, NJ

Responsibilities:

• Ran project meetings and status reports. Identify and resolve problems and defects. Ensured projects met schedules and delivered high quality systems in a timely manner.
• Analyzed raw data in PM tables with SQL Plus in Oracle DB (DB Reporting). Created huge Alarm test data for PM table and fixed troube ticket by auto Oracle DB pruning, Performance tuning and capacity management
• End-to-End Call flow/Call routing in SIP/VoLTE/IMS (Wireshark)
• Monitored, reported infrastructure and systems characteristics (e.g. DB pruning)
• Implemented end-to-end VoIP SIP calls with CPE using Hammer. Debug/troubleshoot using Wireshark, analized and debuged logs with extensive SIP knowledge
• Configured BGP, OSPF, maintained, monitored and troubleshooted LAN/WAN, MPLS core network (Strong CLI)
• Debugged&Troubleshot SONET/SDH/VoIP connectivity issues, provisioning and L3 Data Networking.
• Tested, turned up for Ethernet, SONET/SDH/Data/DWDM, OTN products of transmission, Performance Monitoring (SA-PM) with Wireshark, Fault Management (SA-FM)/Alarm using IXIA/Spirent, distributed network of EMS-NMS/SMARTS Client/Server applications
• Designed, executed test plans/test cases to verify system requirements;
• Developed Shell/Expect scripts to automate regression and robustness testing.
• Tested SNMP-v1, SNMP-v2 and the CORBA interface between NEs and EMS/HPOpenView/SMARTS.
• Installed/upgraded EMS Client and Server on Solaris and verified EMS functionalities in SONET
• Tested SSH Security between EMS/NMS Server and Non-Gateway Networks, and secure JDBC between client & Oracle DB.
• Tested all communications between EMS/SMARTS Client and EMS Server via SSL Security
• Used HP Openview to diagnose faults and report SNMP (MIBs)
• Developed expertise with Unix (Solaris & HP-UX), Mimic, HP Network Node Manager (HP NNM) & HP OpenView

Lead Network System Engineer / Solution Architect

Confidential, Murray Hill, NJ

Responsibilities:

• Conducted project meetings and status reports. Identify and resolve problems and defects. Ensured projects met schedules and delivered high quality systems in a timely manner.
• Lead, develop, and track qualification documents. Wrote and performed test plan, test cases of Unix FreeBSD platform.
• Performance/Stress test with automation using IXIA/Spirent SMartBit on Security Systems.
• Wrote detail Test Plan/Test Cases. Implemented Security roles in Big SAN Data Network. Virtual Load Balancing; Diameter, RADIUS AAA, Firewall for FreeBSD; ACL IPv4&6; s New Daylight Savings Time; Benchmark testing using Perl for auto.
• Measured NIC card packet throughput on GigEthernet using IXIA/Spirent SMartBit, application and CPU Performance/Stress, to determine max sustained rate for System Performance. Used Bugzilla for bug tracking.
• Tested SMS Text (Short Message) code with SS7/TCAP in real-time CDMA, TDMA, GSM, Mobility/WiFi/RF/Bluetooth/antenneas/RF receivers/transceivers in wireless network (cell site backhaul),
• Performed call processing of Enum, ESME Redirect and ESME Forward, Force International/National TONs, Block/Unblock Subscriber and Carrier for UI and MSG, MSG segmentation/ Translation, Open Connectivity (source/dest subaddress), Billing.
• Developed test scripts to automate regression testing for multiple wireless calls
• Working with Test Director, tested end-to-end wireless calls on Prepaid Billing Platform (OracleDB, DB Reporting).
• System, regression and load testing OSS Solution on Confidential wireless Routing Platform: verified prepaid wireless services (voice, SMS, data), 3-way call, busy transfer to Voice Mail, call-waiting, SA-Care on Prepaid Billing Platform in MVNO over Confidential wireless network
• Used Tomcat engine to trace, debug and get log files after submitting a form to a web server
• Functional test of SourceCarrierFiltering of MSG and GUI
• Using message simulators for SMPP PDU testing of Message send/response between SMSC and ESMEUsed SQL developer /TOAD with JDBC to access Oracle database.
• Performed new features and regression tests using Perl on OSS wireless Routing Platform (OracleDB, DB Reporting), part of the hybrid network switching systems (DMS, Excel, Sonus). Established system test plan worked with Test Director.
• Performed End-to-End wireless calls (WiFi/RF/Bluetooth/antenneas) on Prepaid Billing Platform (Oracle).
• System tested Sonus routing in OSS Routing Platform. Performed data analysis with awk in Unix(Solaris, HP-UX)
• Verified MVNO voice calls of various volume-based rating classes to ensure the rate changes Confidential threshold
• Designed Circuits for Confidential Network - Audit/verify network, LEC data with auto for alarming, configuration inconsistencies and optimization. Worked with field engineers for field support.
• Verified transport engineering using Granite/Xpercom/Xng; performed transport related Granite/XNG correction service including equipment additions, removals and corrections along with circuit path corrections.
• Compared field audit data captured in MS Excel format to XNG database, analyzed discrepancies and make necessary corrections to update XNG circuit design for fiber optical/electrical circuits.
• Utilized knowledge of transport topology from MSC to cell site, and of circuit for SONET DS1/T1&DS3/T3
• Worked with MSC equipment including DSX1, DSX3, LGX, BSCs, DACs, TCUs, TDMA Switches and other transport related equipment down to the card and port level to verify the LEC segment data.
• Analyzed cabling DS0, DS1, DS3, OC3, OC12 and higher rates of equipment, and corrected discrepancies between the field audit data and the database to determine corrective action or escalation is required.

System Test Lead / Solution Architect

Confidential, Somerset, NJ

Responsibilities:

• Performed integration and system level testing on Remote Client (C++), KXManager (java), and CommandCenter (java) Web-based applications/HPOpenview that communicate with the server on XML, Virtual Load Balancing in KVM Data Network
• Developed our development & test environment. Performed functional tests on USB/PS2 of KVM
• Performance/Load/stress test on video data with LoadRunner and Wireshark (Sniffer).
• Tested DHCP Server to update the DNS server with new addresses
• Configured & Tested Steel-Belted RADIUS Server/LDAP protocal (AAA) Authentication/Authorization/Accounting access capability of PAP,CHAP. Tested on LDAP (Active Directory/LDAPS Remote AA)
• Analyzed the problem viewing various logs (Diagnostic log, Syslog) to narrow down the issues that helped developers fix issues fast.
• Configured Layer2 Ethernet Switches and verified line speed and configurations.
• Tested KVM products, Power over Ethernet; Verified Access Control Lists ACL, DHCP, SNMP traps functionalities

Sr. Network System Engineer / Solution Architect / PM

Confidential, Holmdel, NJ

Responsibilities:

• Devised test cases; prepared simulation data to verify all aspects of the product’s requirements
• Designed, configured and troubleshooted MPLS core & VPN network; Configured RIP v.1 & v.2 and BGP routing protocols.
• Ran project meetings and status reports. Identify and resolve problems and defects. Ensured projects met schedules and delivered high quality systems in a timely manner.
• Escalated issues, supported troubleshooting and resolution of Architecture and infrastructure.
• Verified billing usage on RTCD and the values of the service order in SMS and Cvu-ATP/NVAM.
• Responsible for the end-to-end testing of service order provisioning and Call Flows (Dial 1, Toll Free, Calling Card, Account Codes and DAV ISDN/ISUP) in Oracle environment.
• Functional testing involved the Application layer over ATM switch using Frame Relay.
• Platform uses CBX500, FT2000 (Mux), TITAN5500 (cross-connects), 5ESS, and SONET.
• Configured Multicasting on the Cisco Catalyst 5500 switch;
• Created VLAN for each department, Inter-connected VLANs with ISL trunking protocol on Catalyst 5500 switch;
• Created Access Control List (ACL) on Cisco 2600 routers (CiscoIOS) to filter IP traffic on firewalls.
• Implemented network policies in a multilayer switched network to control network traffic
• Setup and configured the required Cisco products and services (QoS) for connectivity
• Created conduit & ACL on PIX firewall 520 to enable Internet host to get to Web, Ftp & Email servers
• Assisted in monitoring on troubleshooting the implementation of Cisco PIX Firewall 520s
• Maintained and troubleshot Frame Relay.
• Used variety of network monitoring & testing tools: HP Openview, Actiview (OM/TM), Cvu-ATP/NVAM (Navis Voice Activation Manager), STP & SCP for SS7/TCAP, CallManager, Test Director, WinRunner
• Using HP Openview to monitor and report SNMP (MIBs). Used ESM/EMS/SMARTS/HP OpenView Client to monitor alarm event, PM and modified PM thresholds or collection of PM
• Using Shell programming, Systems Integration Tested for Lucent OSS Solution that enables SO activation & service assurance for Verizons Long Distance. It supports voice & data services (POTS, PSTN, DS1/T1, PRI, T3/DS3),Avaya & Lucent phone systems
• Used CallManager to test end-to-end call flows with Extensive Telecom experience of VoIP (SIP, H.323, RTP, SIP gateway, dial TON plans, FXS and FXO, Codecs, SIP proxy and call routing)
• Performed User Acceptance Test (UAT). Worked directly with the customer in understanding their operational needs, causing the product requirements to be modified to meet these needs. Ensured the delivered product was operationally correct on site in production.
• Perform test & turn up for equipments. (Sablime for trouble tracking)
• Cvu-ATP, client/server DB using Java GUI, CORBA IDL, Common Communication Platform of BaseWorX. In relational Oracle:
• Analyze and write detailed specifications and Test Requirements using Test Director
• Developed and executed the Test Procedures and Test Cases for the GUI testing using the WinRunner
• Used LoadRunner for the performance testing of the Web Application
• Set up test environment using stand-alone, multiple machines on XDP platform. Performed system test for Cvu-ATP that manages TN, OE, and switches. Brought up upstream and downstream system with simulators
• Used Oracle SQL*Plus to verify output response from test input (OracleDB Reporting). In MS Access, MS SQL Server DB
• Performed ST on DNA (WinNT, VB based, and uses ODBC and FTP to collect data from NE controllers)
• Functional verification of ITM DNA for SONET/SDH connected with fiber optic cable.
• Prepared simulation data to verify all aspects of the product’s requirements, and to test the product with Shell programming against live systems in UNIX(Solaris & HP-UX).
• Devised test cases, analyzed data output for alarm, circuit, and performance monitoring data. Installed DNA on lab systems for deployment testing & created a new DB to emulate the customers’ site.
• Created multiple DBs in MS SQL server. Used MS Access, ODBC to extract data from target DB for comparison w/DNA DB

Network System Test Engineer

Confidential, Edison, NJ

Responsibilities:

• The R&D center of the Telecom OEM firm for Access Network (real - time embedded OS)
• Wrote test cases and tested embedded real-time software, SNMP, firmware and hardware for AN2000
• Tested functionality, RF receivers/transceivers, embedded circuits & systems, performance of each board in V5 ISDN/ISUP application, V.35, On-line diagnostics for FXO/FXS, BRI remote loop back, E1 internal/external loop back, E1 alarm, Switch variant, protection switch, power and SCM redundancy & firmware download
• Used RADCOM, Abacus s Call Generator, Simulator for Analog Bulk, ISDN BRI, advanced Bulk call load, Performance testing

Academic Researcher

Confidential, Newark, NJ

Responsibilities:

• Worked for the Department of Electrical and Confidential Engineering. Performed simulation over Sun OS using C, modeled and analyzed performance of the FieldBus access protocol, using Petri Nets for LANs.