SUMMARY:

• Multifaceted technical career with 20+year track record of innovation and success
• Solutions - oriented Senior Network Architect/Engineer with 20+ years of test & engineering and in-depth knowledge of Telecom Service Assurance process, Broadband Standards, System Verification Testing, Technical and ROADM, SONET/SDH, DWDM, ATM/FR,OLT, ONT/ONU, IP. FTTX, IPTV, DSLAM. Also, expertise in GSM-MAP & ANSI-41 CN architecture including TDMA/IS-136, IS95A/IS95B, CDMA One, 3G CDMA2000, GSM, UMTS, WCDMA, Wi-Fi, LTE & eMBMS technologies. very strong analytical and technical writing skills. Excellent communications skills, worked with the various technical and business team members and translating their needs into detailed system requirements for development.
• Very effective in understanding issues, formulate resolutions and able to translate resolutions to well documented requirements for implementation. Has strong systems engineering and requirements documentation background.

TECHNICAL SKILLS:

Wireless Systems: Lucent’s DMX, OLS 400G DWDM, BWM, 2.5G, DDM-2000, GX550, FT-2000, Cisco 15327/15454/15540/15600, Nortel 3500/5200,, Alcatel 1670, 36xx, 7670 RSP/ESE, 7450 MSP, Ciena Core Director, Fujitsu FLM/Flashwave, Tellabs 3600/5500, 8860MSR, Symmetricom/Datum Synchronization, CISCO MGX 8600/8950, Siemen ULH(ROADM), NEC Spectral Wave 160 (ROADM), ADTRAM TA5000, NETVANTA 8xx, CRS-13GPP a nd 3GPP2, GSM-MAP, ANSI-41, TDMA/IS-136, CDMA One (IS95A/IS95B), 3G CDMA2000, GSM, UMTS, NSN WCDMA & LTE

Transmission Test Equipment: Agilent E6000C OTDR, Agilent HP37718, W&G ANT-20 Transmission test set, Tektronix H600/SA2600 spectrum analyzer, Firebird 4000, Fireberd600, CMA400 OTDR, Acterna FST 2820 GIGE test set.

Standards: ANSI, ETSI, NEBS, IEC, ITU-T & Bell core GR-253, GR303, GR1230, GR-2950, GR 3003 - MPLS, ESCON, FICON, GIGE, FE, Fiber Ch, SONET/SDH, DWDM Switching and Transmission, GSM/UMTS.

Network Management: SNMP/RMON, TMN, eTOM, SNMS, HP-OV, HP-NNM, HP RAMS and OSS/BSS.

Hardware: Cisco 2600/7609router, 2950/3550/6500 switch, Sun SPARC Station 5, Sun 4500E, Nortel Passport, IBM RS/6000, M13 Multiplexer, 5ESS switch, Inverter, Rectifier and Power plant.

Protocols: Sonet/SDH, TCP, IP, OSI and X.25, DS0, DS1, DS2, DS3, E1, SS7, DCS, DSL, SNMP, IIOP, VoIP, DOCSIS 2.0/3.0, RIP, IGRP, IGMP, RTSPBGP, OSPF, ICMP, H264, RSVP, RTP, SIP, IP TCP/UDP, RPR Ring and DNS, INAP, CAMEL, W-CDMA,TR-069, IS41.

Software: Visio, AutoCAD LT, Frame Maker, MS Exchange, MS Word, MS Excel, MS project, Nes 3.6, Kivanas 2.1, CISCO CTM, Lucent’s SNMS and TIRKS.

Languages: C, Visual Basic, Power Builder, SQL, HTML, Pascal, CORBA, Shell Script, TL1 and CMISE.

Databases: Oracle 7.3-8.04, Sybase, and SQL Server, and CORBA.

Operating System: UNIX/ Solaris, HP, LINUX, MS Windows NT 4.0, HP-OV, HP-NNM, HP RAMS and Windows 95/98/2000/XP.

Automated Tools: SQA Suite 5.0, PVCS Tracker, Astra Site, Win Runner, Load Runner, and Silk.

Mobile Test Systems: Spirent 8100LTE, Spirent C2K/ATS 3G CDMA, Anritsu LTE ( 7834/7873 RTD & AAP), Anritsu 8820C, Anite 9000, Aeroflex TM500, Wireshark and JDSU SART

Software Development: C, SQL, SQL PLUS, PL/SQL, WINDOWS 95/2000/XP/VISTA/WIN7, SMS2003 and MS Office Suite.

PROFESSIONAL EXPERIENCE:

Sr. Architect & Integration test Engineer

Confidential

Responsibilities:

• Working on New FDD and TDD feature and enhancement on eNB Baseband L1/L2, which includes bCEM and bCAM (SoC-system on chip) using TM500 emulator, RRH, eCCM and bCEM/bCAM boards.
• Participating on Modem Architecture Document, LTE feature group and Feature Design Document.

Sr. Architect & Integration test Engineer

Confidential - NJ

Responsibilities:

• Working on eMBMS Architecture & specification, IP multimedia Broadcast/multicast/Unicast traffic (TV/VOD/Event/Advertising), distribution( transport/service/server capacity),M1/M2/M3/SGi-mb/SGmb interface, CA, MME Geo-Redundancy, MME Broadcast/Unicast Pool, Interference (ABS),1588v2 Sync, MBMS-GW/BM-SC, Broadcast Provisioning Service (BPS),Advance Delivery Function (ADF),Media Delivery Function(MDF), new Sync to RLC protocol mapping, eMBMS channels, SIB1/2/13/15 impact, MCH Scheduling, MSI/MCCH/MTCH scheduling, Activating eMBMS and MCE feature.
• Also, exploring SIB 16 (Rel-11) enhancement and impact such as UTC time (mandatory), capability to support TAI, traffic from 2 eMBMS-GW to eNB, capability to support TAI,TAI over M3, service file (USD: User Service Description), eMBMS based intra/inter mobility (Rel-11) and VOLTE priority.
• Lab testing LTE carrier aggregation and VOLTE feature on various vendor form factor UE feature on Anritsu, Spirent systems and Captive network test on Ericsson/ALU eNB. Also, testing VOLTE/eSRVCC, ROHC Failures, SRVCC, TTI Bundling, SIB Failures & using Spirent CS8 Interactive Tester platform verifying different UE capabilities.
• Worked with Spirent on proof of concept and NFV application functional test of CMS (vBRAS), vPE, vCE, vSTB device, L2-L7 traffic, MPLS protocol analysis on Spirent TestCenter & Avalanche Virtual hypervisors.
• Also, testing various LTE capable HeNB, 802.11/b/g/n/ac capable AP, RG testing LTE / Wi-Fi Interworking, 802.11/b/g/n/ac Cognitive optimal radio path, Link Aggregation, CSG, Adjacent femtocell co-channel interference, macro cell base station interference(eICIC), Macro/small cell to HeNB open cell mobility and Hand over.
• Configure ALU 5580 HDM3.0 HeNB adaptation, created device type, Device Type Attributes by adding deviceType.xml files. Defining 5580 HDM ACS SERVER, Zero Touch provisioning, connection mode, TR-069 criteria templates, importing action/policies, setting up parameters on Public HDM Server (WebLogic server), Defining Alarms, Reports, Jobs and HDM Application server installation in Labs.
• Trouble shooting Wi-Fi signal strength, noise, frames, errors, retries, bandwidth, Wi-Fi/Non Wi-Fi/Adjacent/ CCI (co-channel interference), CCA, Wi-Fi Performance analysis, multipath issues in the network, uplink and downlink throughput performance, BYOD Classification using AirMagnet/Spirent tools and CTIA Wi-Fi compliance
• .Working on AT&T’s U-verse NMS Cisco ROSA replacement that include design, test and implementation of new Evertz Vistalink Pro SNMP NMS System. Alarm monitoring on Vistalink Pro (EIA/EJB) analyzing & testing JAR Properties and descriptor.
• Working on Video HEADEND and verifying new services using Sencore, Evertz, Motorola, Cisco DCM Encoder/Transcoder/Decoder, Xenon video switch, Quinntech, Tektronix Wave form analyzer and various other Audio Video converting SDI/ASI-SD/HD to IPTV U-Verse services.
• Testing and verifying all related U-verse (FTTX) Network Element and services on ONT 210G, wireless 1 terabyte Pace DVR IPH8010 DVR, Arris STB/DVR, NVG589 Residential Gateway (RG). Performance analysis of MOCA 2.0, HPNA, Home plug, 802.11n/ac Wi-Fi AP wireless STB (range, coverage, SNR, MCS, link & QOS verification), IPTV Client feature & VOD (content/metadata) architecture. Polled data on RG and HPNA endpoints (STB) remotely using TR-069 commands.
• MoCA 2.0 Channel Characteristic, Physical Layer, MAC Layer Rates and Attenuation, Interface testing, Data Rate Testing, Coax Cable Testing, Bit Loading Analysis, Quality Testing, using Spirent X-Flex and JDSU SmartID.

Sr. LTE/IMS/Wi-Fi LAB Test Engineer

Confidential, Waltham, MA

Responsibilities:

• Upgraded Ericsson eNB from L12 to L13B using Ericsson MOP (LKF file loading, upgrade SW & Applied REV) and then verified all new features and LTE SON & QCI Gold standard parameters (Sprint).
• Worked with field engineer to improve and optimize LTE network. To meet target KPI using Feature configurations, RSRP, SINR, Hanover success rate, Power adjustment, Dominant cell, cross coverage, ANR Algorithm, PCI cell etc. (Sprint).
• Troubleshoot Ericsson LTE throughput issues that include Network changes, UE Cat/profile, eNB parameter, enable feature, Radio Analysis and E2E Transport Dimensioning/Tracing.
• Test & Troubleshoot ALU/Ericsson eNB 1- RF Channel Spectrum, Power vs. Time, Spectral Emission Mask, Adjacent Channel Leakage Ratio (ACLR), Modulation Quality Resource Element Power, Control & Traffic Channel (RS, P-SS, S-SS,PBCH, PCFICH), LTE Ch power, Spectral Flatness, LTE Constellation Error Vector Magnitude (EVM), 3- OTA, Sync Signal Scan and LTE Channel Power Monitor Using Anritsu BTS Master.
• Certifying 4G LTE devices Data throughput (3GPP Band13), Data Retry (3GPP 24.301), RF Conformance 36.521, RF protocol 36.523, VZW RF Supplemental and Spurious Emission with GPS Frequencies using Spirent 8100 LTE test system.
• Certifying M2M CDMA devices using Spirent C2K/ATS 3G CDMA test Systems e.g RF 1X (C2K/ATS) and EVDO (Test Drive EVDO) and Data Retry (Test Drive II). Also, use QPST, QXCM and QXDM logs to verify CDMA feature.
• Certifying 4G LTE devices Data throughput (3GPP Band 4/13), Data Retry, RF Conformance 36.521, RF protocol 36.523, VZW RF Supplemental using Anritsu 7873L/7834 LTE test system.
• Participated Cisco sponsor Wi-Fi to 3G integration workshop. Also, tested Samsung UE 3G to WiFi offload in LAB environment (Cisco AP, Cisco ASR5000 Gateway, Ericsson SGSN/HLR, Samsung Galaxy (UE), and Test SIM) in trusted and untrusted configuration. Connectivity, EAP/SIM, EAP/AKA and 3G to Wi-Fi handover were verified using Wireshark.
• Worked on SP Wi-Fi Array network performance related recommendation and enhancement of Voice, Video, mobility, security, physical/MAC Architecture, Cell capacity, Channel reuse, wireless switching and wireless QOS (802.11e).
• Use Iperf/Jperf tools to verify LTE data throughput ftp, UDP uplink/downlink, and stress and latency scenario for multimode M2M Host devices.
• Test and verify LTE network features/services: VoLTE (LTE UE to LTE UE) and VoIP (LTE UE to PSTN), SIP, RTP, SDP, AVP, IMS Core (ALU elements - IMS-HSS-FE, 5450 P/I/S/E CSCF, CCF, 5420 CTS, SBG, 5420SCG(SCC-AS), 5900 MRF),5060 MGCF/BGCF and). SIP Signaling & Call flows, Diameter protocol. Feature verification on Wireshark and JDSU SART.

Sr. Technical UMTS/LTESupport Engineer

Confidential, Allentown, PA

Responsibilities:

• Verifying and documenting IMC’s newest 3GPP Rel 8LTE/HSPA+ modem platform parameter, Inter processor Communications (MIPI, HS-USB,UART,SPI), RPC/RIL, LTE/HSPA+ modem triple-mode SW Cellular Protocol Stacks (2g, 3G, 4G), 2G,3G.Driver, I/O, Connectivity Stack and HW Unified Memory Support (C2C Interface), Clock Gating, Power and Flashing via AP
• Analysis of LTE PHY layer parameter Forward Error Coding (convolutional, turbo coding), Modulation Multi-antenna processing: Layer mapping and precoding, Transmit Diversity (space frequency block coding), closed or open loop MIMO/spatial multiplexing, closed loop beamforming and MAC, RLC, PDCP and RRC protocol and channels like PCH, PDSCH, PDCCH, PCFICH, PHICH, PBCH, PUCCH, PUSCH, PRACH using Rohde & Schwarz CMW500.
• Supporting and debugging 3G modem (3G 3GPP Rel 7) platform customer like Samsung, LG, HTC and Apple on site and in house.
• Lab test, Field test and Captive Lab Tests for LG F1 LTE modem operating in 3GPP Band 4 and 17 in AT&T network for GCB and PTCRB using at&t 17439 deriving from ISO 10776 Global Req.
• Testing of Nokia wireless devices (DUT) in both stationary and mobile conditions in Ecuador and Columbia. Analyzed KPI indicator like Call Setup Failure Rate, Call Setup success rate, Blocking Rate, Call Drop Rate, HO Failure Rate including Operator defined KPI (Drop Call Rate, handover success rate, blocking rate) for device approval testing role for a 2G/3G Wireless Network Operator.
• Testing LTE UE Layer 1 /RF Testing (TX/Rx characteristics), UE Protocol Stack, Interoperability Testing, UE Signaling using Rohde & Schwarz (R&S) CMW500.
• Generation and analysis of LTE L1/L2 PHY, MAC, RLC, PDCP and RRC protocol and channels like PCH, PDSCH, PDCCH, PCFICH, PHICH, PBCH, PUCCH, PUSCH, PRACH using Rohde & Schwarz CMW500.

Sr. OSS Architect/LTE/OTN Engineer

Confidential, NJ

Responsibilities:

• Initial Planning, Link Budget & RF Optimization and cluster verification of LTE Sites in VZW Trial LTE Network System. Pre and Post Optimization KPI states of SNR, RSRP, dominant server, accessibility, retainability, Mobility performance/ Integrity, verification of PCI confusion alarm and X2 link status, X2/S1handover
• Analysis of L3 with the help of eDAT (9958 WTA), analysis of L1 in LLDM, Performance monitoring of LTE cell by NPO states and alarm history, verification of MIMO Parameters and Physical/RLC layer throughput &WPS for provisioning.
• Conformance and protocol testing of LG VL600 Device modem UE in Verizon network LTE UE Layer 1 /RF Testing (TX/Rx characteristics), UE Protocol Stack, IOT, UE Signaling Testing using Spirent LTE Test System & Lab network using SART analyzer J7830A & Wireshark. LTE PHY, HARQ, MAC, RLC, PDCP and RRC/NAS protocol, feature and functionality using CMW500.
• Tested E2E EPC (evolve packet core) QOS parameter mapping (QCI, ARP, GBR, AMBR, DSCP, P-bit) and throughputs testing on Core and Backhaul router using iperf and Wireshark to analyze S1-AP, X2-AP, TCP/UDP packets. Also, worked on Cell/eNB Transport Aggregation to EPC based on IP/MPLS HSRP (VRRP) protocol.
• Hands on and Install ALU 9400 LTE RAN (9412 e-NB, 7750 P/SGW MG, 9471 MME, 5780 DSC-PCRF (SPR), 8950 HSS) including 7750-MG signaling,, APN, charging
• Worked on ALU 3G optimization using 9353 WMS, 9352 WPS, RFO (RF Optimizer), Call Trace SW and NPO (Network Performance Optimizer) and Atmspy for Transport backhaul.
• Technical support for 7450, 7750 SR-12, 7705 SAR and SR-c12 devices for Iraq IP/MPLS project. ALU 7750 SR Installation Project: Developed plan for installation of Alcatel-Lucent 7750 SR platform into 47 hub sites and switch centers; managed installations from start to finish, including auditing each site, inventorying all equipment, scheduling resources by using 5620 SAM
• Installation of Motive Home Network Manager (ALU HDM) Single Server Application on SUN SPARC including WALLED GARDEN WebLogic server/Public WebLogic and Weblogic Admin Server. Tested SOAP RPC Methods to implement CPE WAN Management Protocol (TR-069) over broadband management to communicate with multiple LTE Femtocell / MTA (CPEs) by centralized ACS Auto Configuration Server.
• Also worked with Cisco® 7600 Series Session Border Controller (P-CSCF) & ACME 9000deployments for 3GPP IMS Multimedia services, IMS2IMS,PSTN2IMS,IMS call flow/registration, SIPp/ IXIA Chariot for VOIP and analyzed SIP messages, SDP contents messages, m-line protocol type using Wireshark.
• Documenting Transport network hierarchy and partially redesign, plan and wrote RFP for future Optical Network including DS1, DS3, OC-3c/12c/48c/192c, Packet over SONETSDH (POS),IP Packets over OTN/DWDM/ROADM. Serve as Cisco 15454 MSTP/MSPP, uBR7100 (CMTS), CISCO CRS-1, Alcatel 7670/7705SAR/7750SR, Tellabs 55xx/88xx optical system Expert.
• Setup of the broadband service using Cisco uBR7100/ARIS CMTS (Cable Modem termination System) first deployment of the Core IP Infrastructure to roll over this new Broadband service in market using DOCSIS 2.0. Also, tested DOCSIS 3.0 to achieve the required as per RFP, 100Mbpls on cable modem over HFC network.
• Led a group of engineers during design, development, and testing of new and legacy Network Elements integration with the OSS/BSS System as per TMN eTOM/FCAPS standard. Provided technical assistance to service assurance (fault, correlation, state management, services overviews, troubleshooting).
• Design and Implementation of Mesh Wi-Fi Mesh Metropolitan Area network (MAN) using Cisco and Senao NE in major cities for BTTB. Site survey & installation, Configured Gateway connection, Wireless Mesh Backhaul link (5.8GHz unlicensed)) using Layer3 OLSR Routing, Proxim Giga link 1Km on (60 GHz unlicensed), Client Access Point (26dbm) and set all performance related parameter for Wi-Fi 802.11 a/b/g/n network.

Sr. OSS/BSS Technical Architect

Confidential

Responsibilities:

• Worked on correlation of network alarms to customer and network ticketing requirement for Ethernet over TDM (EoTDM), ROADM, DWDM system within AT&T Network, which result in quality improvements.
• Experienced with Service Assurance Target systems like AOTS, RUBY, CTP, GFP, NDR (Network Disaster Recovery).
• Working on requirement to define OA&M of FTTP project lightspeed and integration of UMTS/GSM to GNOC.
• Experienced with Service Assurance Target systems like AOTS, RUBY, CTP, GFP, PMOSS, NDR
• Worked with PMOSS-VOIP system to improve provisioning, fault monitoring, and performance monitoring on existing media servers, network gateway border elements (NGBEs), IP border elements (IPBEs), call control elements (CCEs), and application servers (AS's).

Environment: HP; HP-UX, TemIp, Oracle, HP servers, MS Windows XP, RUBY, AOTS, GFP, BMP, CTP, DBOR, PMOSS, NIC, TOPAS, NMA, WFA, GeoLink, FASTAR, TM BIS, NDR,SQDATA,SQL, etc.

Sr. OSS/BSS System Engineer

Confidential, New Jersey

Responsibilities:

• Documenting T-mobile entire Transport network hierarchy and partially writing RFP for future Optical Network.
• Writing RFP requirement for UMTS Antenna selection and worked with vendor like Kathrein, RFS, Andrew, EMS, PC
• Alarm, performance and KPI analysis for Nokia WBTS, NODE B, Nokia RNC-450, using Site manager and NetAct OSS. Also worked with Nano IP Access BTS and Ericsson RNC 3810 Alarm parameter.
• Delivered BSC, NODE, DMSC & MSC Alarm correlation rule set for Netxpert OSS/NMS Fault management.
• Reconfigure Netx to receive Cisco 15454 ML blades for Syslog monitoring. Used Remedy for trouble ticket.
• Delivered HP NNM Alarm correlation rule set for all Cisco devices using Event configuration and Correlation Composer and reconfigure discovery filter. Worked with Configuration Management (CM) team to authenticate Granite inventory management and migration to new Cramer project.
• Test, analyzed and integrated RAMS with HP NNM production. Also wrote documented all changes in System Requirement Document, SNMP configuration and SQL queries against a database
• Analyzing new circuit of 7670 RSP, Tellabs 5500 DACS in A-bis and Iu interface as part of ETTCS/FTTCS.
• Helped Designing, planning and implementing Wi-Fi projects in various in NY/NJ tri-State locations( Hotel, Airports, Rest area, Public Park, etc)

Sr. FTTP (optical) Engineer

Confidential

Responsibilities:

• Lab tested the feature of fiber to the premise (FTTP) for large service provider using Alcatel 7340 using 5528 Web Access manager. Responsible for testing environment and feature of the OLT and ONT (ONU) over BPON, APON, GPON. Also, Validated IPTV H264 Mpeg4, IGMP v2 multicast and RTSP for VOD end to end. Tested MoCA 1.0 Max and 2 nodes throughput, Prioriarized QoS, Packet loss, Latency, MoCA/POE filter and CPE to CPE M-DVR.