SUMMARY:

• Strong background in Wireless Communication (GSM, CDMA, EDGE, EVDO, UMTS, WCDMA, CDMA 2000, LTE, VoLTE) and Data Communication Protocols.
• Knowledge of LTE technology nodes eNodeB, MME, SGW, PGW, HSS, PCRF, OCS, DRAs and IMS nodes.
• Involved in PCRF, PAS and MOG nodes support in labs.
• Hands on experience in LTE EPC Network Monitoring Design, Deployments and End - 2-End Integration and testing in the labs.
• Experience with diameter protocol testing involving nodes PCRF, PAS, GW, P-CSCF, OCS, MOG, etc., in the labs.
• Hands on experience with protocol analyzer tools like Wireshark and IRIS.
• Involved in Collecting and Analyzing Mobile application logs using QXDM and QPST
• Involved in developing and writing scripts for NodeB deployments
• Worked with various platform owners to accomplish LTE network deployment and co-ordinate testing.
• Hands on experience working on various interfaces like Gx, Sp, CNS, Rx, Sy, Rx’, Sd, Sp, Gy, etc.
• Worked on Lucent and Confidential UMTS and LTE Projects.
• Interacted on a day to day basis with various vendors like Cisco, Confidential, ALU and Nokia for various projects.
• Hands on experience with UNIX/Linux systems
• Strong technical skills in UMTS, CDMA and LTE RF Design and Optimization
• Good Knowledge of Lucent and Confidential 3G and LTE Parameters and OSS.
• Excellent hands on experience with Post Processing Tools like Actix Spotlight, EDAT, NEMO and TEMS.
• Expert in using map software’s like Street Atlas, Microsoft Street and Trips and MapInfo.
• Highly experienced in analyzing the drops, blocks, RACH errors, monitored and active set, missing neighbors, scrambling Codes, signal strength (CPICH-Ec/Io & CPICH RSCP), TCH general quality for UMTS.
• Experienced in testing KPI’s such as call setup failures, RSRP, RSRQ, Handover success, Handover Threshold, Average UL and DL throughputs, UE Tx power, etc.
• Strong knowledge in Networking concepts and Routing Protocols.
• Excellent personal and Self-Management skills.
• Proficient in Microsoft Office, Word, Excel, Visio and Access.

TECHNICAL SKILLS:

Wireless Standards: IEEE 802.11, 2G, 3G, GSM, CDMA, UMTS, W-CDMA, Bluetooth, WiMAX, GPRS, EDGE, UMTS, LTE, Volte, IPV4, IPV6, Mobile IP.

Tools: Wireshark, IRIS, Agilent, JDSU Protcol Analyzer, Netscout, Tektronix G10, Map Info, Geoplan, Atoll, Actix, TEMS, NEMO, EDAT, XCAL, QXDM.

Networking: LAN, WAN, TCP/IP, VoIP, Ethernet, MPLS, ACL, ATM, Trunking, VLANS, VPN, VLSM, Cisco IOS, NAT, Frame Relay, OSI Model.

Languages: C, C++, Java, PL SQL, Oracle 10g/11i, Perl, HTML, UNIX, LINUX, Python, MATLAB, Simulink, Lab View, and Verilog.

PROFESSIONAL EXPERIENCE:

Confidential, Redmond, WA

Network Systems Engineer

• Policy Access Server (PAS), Policy and Charging Rules Function (PCRF) and Mobility Orchestration Gateway (MOG) Integration zone support for Neo, Sundance and ASE zones.
• Supporting PCRF firmware upgrades, various CPS Installations, Neo zone upgrades, vCenter, vSphere, CMG changes, CRD table updates, Policy updates, patches, etc.
• Involved in troubleshooting lab Issues for Volte testing, browsing Issues, APN testing, throttle scenarios, Wifi calling, Messaging, Volte to 3G, Roaming, ADTM, Toggle, vQOS testing, MOG testing, E911 testing, Gx failover testing, DTVE testing etc.
• Responsible for maintaining nodes and fixing Issues like alarms, svn Issues, connectivity Issues, disk space cleanups, qps failures, etc.
• Involved in fixing hardware Issues on Cisco UCS blades like disk Issues, NIC Issues, Port Issues, reboots, handling RMA tickets, equipment replacements, etc.
• Worked with the team to enforce different Policy control functions to test and validate them.
• Perform testing on different types of nodes such as SGW, PGW, MME, SGSN, PCRF, PCEF, MOG, OCS and other nodes.
• Involved in developing documentation that supports validation efforts including TOL, Test Results and implementation guides that helps to test LTE Lab scenarios.
• Familiarity of 3GPP and 3GPP2 core protocol suites for CDMA and LTE, as well as the core data nodes: SGW, PGW, MME, SGSN, GGSN, HSS, PCEF, PCRF, PAS, P-CSCF, RADIUS (AAA), DIAMETER, OCS, MSP, DHCP, DNS, etc.
• Performed testing on OCS and Active charge (AC) to validate throttling scenarios and charging for pre-paid and post-paid Sims.
• Validated and tested different interfaces like S1-C/U, S11, S3, S4, S5/S8, S6a/S6d, Gn/Gp, Gr, SGi/Gi, Gx, Gy, Ga, Rx, Sp, CNS, Sy, Sv.
• Involved in enabling APN based pooling on PAS 5/6 for Sundance Volte testing.
• Involved in deploying cluster managers, pcrfclients, virtual center and assigning storage on VMware vSphere Client.
• Performed Toggle testing on PCEF, PCRF, MSP and Manifest server.
• Responsible for updating policies and quotas in policy builder and control center as required on all PCRFs.
• Involved in various Neo zones upgrades from Neo 7 to Neo 9 sprint 2.
• Supported various load testings using landslide on PCRF node.
• Actively supporting MOG and DTVE testing on Neo lineup.
• Monitor daily health check of PCRFs using grafana, Nagios and healthcheck scripts on pcrfclients.
• Hands on experience with protocol analyzer tools like Wireshark and IRIS.

Confidential,Southlake,Texas

LTE Design Engineer

• Design new Verizon Small Cells and DAS systems depending on requirement.
• Analyze Actix data, KPIs, Coverage and Capacity to establish Search area rings.
• Assign Siterra projects and work along with Real estate and Construction teams to bring the sites on air.
• Design antenna equipment using propagation tools like Geoplan and Atoll.
• Work alongside performance team to add capacity on existing sites and/or add new cells as required.

Confidential,Plano,Texas

RF Engineer

• Design, development and quality assurance of the key eNodeB modules for Intra eNodeB Transport.
• Setup S1/X2 Interface, Cell and Common Channel Setup, User Setup/ Delete functions, Radio Bearer Reconfiguration, Inter and Intra-eNB Handover.
• Operations and maintenance software such as Health Manager, Alarm Reporting System, Redundancy Manager, Tracing and Logging APIs, and Error Reporting Systems.
• Working knowledge on Radio Access Network (RAN) and Core network elements like NodeB, eNodeB, RNC, EPC, MME, DAS and Small cells (Pico, femto).
• Worked on 4G LTE eNodeB Network Integration as well as Re-homing activities.
• Familiarity with different monitoring tools and probes like JDSU, Netscout and Tektronix.
• Involved in Pre and Post launch RF activities of Sprint NV sites for Kansas, South Texas and San Antonio Markets.
• Involved in scripting team doing CACP and CPS scripts for carrier add-on’s and deletions for the sites.
• Involved with RBS cuts, SIU DOM Daisy chaining cuts, EEGS cuts and Re-homing of sites to new BSC’s in Kansas, SA and STX markets.
• Involved in pre and post launch KPI monitoring of the sites using tools like Ca llP, NEWTUN, SPOT tool, Cockpit, etc.
• Responsible for creating and updating 3G RNDCIQ and LTE RNDCIQ for SA and STX markets.
• Recommended sector swaps, electrical tilts, Mechanical tilts, missing nbrs and change in power settings depending on the KPIs of the site once it is launched.

Confidential,Plano,Texas

RF Engineer

• UMTS Optimization of AT&T network in various markets across US.
• Performed coverage, capacity, and performance planning on UMTS network.
• Monitored and reviewed GSM/GPRS/EDGE/UMTS/LTE network Key Performance Indicators (KPIs) by using Radio Network Performance tools.
• Analyzing drive test information using maps, charts, and workbooks within post-processing tools (Actix, TEMS).
• Troubleshooting RF issues (Pilot pollution, PSC Planning, Missing Neighbors), Idle mode Issues (access and paging) and RRC Setup failures.
• Analyze Layer 3 Messages to find Blocked call, SHO & IRAT HO failure, Dropped call & abnormal network behavior, using post processing like ACTIX and TEMS Investigations Tools.
• Analyzed RSRP, RSRQ, Handover Threshold and other KPI’s in LTE.
• Analysis of daily KPIs based on Accessibility (Call Setup Success Rates), Retainability (Dropped Call Rates for both Traffic and Signaling), Mobility (SHO & HO Success Rates), and Integrity (Speech Quality, BLER, FER and Throughput).
• Post processing of data, analysis and recommendations.
• Analyzing Log files after Drive Tests and generating Optimization Reports using MapInfo professional, Actix.
• UL/DL throughput Analysis for HSUPA & HSDPA
• Involved in various LTE In building projects in Vegas.
• Checking for INTER-SITE & INTRA-SITE Handovers and perform Neighbor verification.
• Optimizations on the basis of performance reports on daily basis and identify the cells where Key Performance Indicators (KPIs) are below the threshold.
• Checking for missing neighbors and swap feeders, recommending antenna tilting and orientation changes
• Creating drive routes for drive tests at cell site and cluster level environments.
• Made recommendations to improve KPI, coverage and dropped call rate.
• Coordinating with the drive test teams to ensure good data is collected.

Confidential

Field Test Engineer

• Involved in drive testing using AGILENT, TEMS, NEMO and XCAL software
• Involved in Cluster drive, IFHO, Event Analysis, SHO, IRAT and E911 Testing.
• Involved in LTE shakedowns, cluster drives and FFA testing
• Involved in UMTS and LTE In building testing in various markets.
• Involved in LTE cluster drives, LTE to UMTS handover drives, LTE site shakedowns during upgrades.
• Feature testing on different call states of UE like URAPCH state, Idle, CELL FACH, CELL DCH state
• Worked on HSDPA, HSUPA, R99 Samsung UE’s, Sierra Aircards and HTC Waikiki LTE Capable phone and Qualcomm dual band phone
• Responsible for training new engineers on test plans and procedures
• Responsible for setting up the kits and troubleshooting issues faced by the other drive testers.