RESUME

 

Veena Naik

vnn2306@gmail.com

Mob: 571-446-7144

                                                     

Objective:

 

To seek a profession where my knowledge, experience and capabilities are utilized for the best growth of the   organization and my career.

 

Experience Summary:

 

ü      9+ years of hands-on experience integrating and testing small, medium, and large scale wireless networks.

ü      Thorough understanding of 3G and 4G Technologies (LTE, UMTS, VOIP, CDMA) and strong IP background.

ü      Working experience and knowledge of LTE  OFDMA,SC-FDMA,MAC,RLC,PDCP,RRC,RRM,SCTP,GTP.

ü      Sound knowledge on 3GPP specification work concerning RAN,LTE/EPC CORE Network.

ü      Good Experience &Knowledge LTE RAN, Radio Interface, Protocol stacks and handovers in LTE (S1 And X2 Handover).

ü      Good Experience and knowledge in VoLTE, IMS, SIP signaling.

ü      Thorough understanding of protocols such as GTPv2C, S11, S1-MME, S6a, SGi, Gx, Rx, SGi, S5/S8, S10.

ü      Perform protocol captures and trace log analysis using different network analytical tools such as Wire Shark, QXDM, XCAP tools for  reading network traces to understand the failure reasons.

ü      Familiar with all the call flows, call tracing, call waiting and call forwarding procedures.

ü      Good knowledge of further testing of LTE, IMS.

ü      In-depth understanding of e-NB, MME, S-GW, P-GW, PCRF and HSS, their functions and interfaces

ü      An innovative professional with strong testing, analytical, communication and organizational skills that adapts quickly and works well with others.

 

 

 

Technology & Tools

 

Wireless	LTE, VoLTE, IMS, SRVCC, LTE, Diameter, Radius, GTP-C, GTP-U, 3GPP standards.
Network Tools	JDSU, Iris View, Wire shark Sniffer, QXDM,QCAT, Net scout Monitoring Tools, IPerf, Winscp, Putty, Filezilla, TCPdump, Windump, Landslide,LSM-R,Spot-Fire
Networking protocols	TCP/IP, UDP, IPv4, IPv6, RIP, OSPF,BGP, Cisco IOU (IOS on UNIX)
Hardware Equipments	Cisco Switches, Routers and Juniper FW, ALU, NSN.
Programing Language & OS	C, C++, Linux, Unix, RTOS.
MS Office	XLS, PPT, MS-Word
Vender’s Equipment	eNode-B,MME,SGW,PGW,HSS,PCRF,OFCS/OCS. Nortel CDMA BSC,MSC.
LTE Protocols & Interfaces	OFDMA,SC-FDMA,MAC,RLC,PDCP,RRC,NAS,X2,S1-MME,S1-U,S11,S10,S5/S8,Gx,SGi,Rf

 

 

 

 

 

 

 

Work Experience:

 

Sr. LTE IOT Test Engineer ( Sprint LTE Vision) ( 7/15-Present)

ü      IOT testing and validation in multi vendor scenario.

ü      IOT testing on X2, S1u, S1Mme & S10 interfaces, and eCSFB testing for multi vendors.

ü      Debugging of issues seen during test. Helping team in identifying and resolving issues in minimal time.

ü      Analysing the logs of test performed including UE, eNB, MME & SGW & PGW to check compliance with 3GPP standards.

ü      Finalising the Test case plan for execution . Preparing a time line for IOT planning and execution.

ü      Preparing the Joint Test Plan and Joint test report for each IOT.

ü      Co-ordinating with client for logs review & exit report review.

ü      Various parameter configuration on SAM Tool ( Used for managing the eNB) like neighbour addition, interface setup along with modification of parameters to meet test scenario requirement

ü      Reviewing the Statement of Compliance (SoC)  for Product-Vendors with respect to the 3GPP standards, then prepare and provide the SoC analysis report

ü      Raise new CR in case test case log is not in compliance with 3GPP standards
 

Environment  :ALU e-Node-B, ALU MME,ALU SGW,PGW,PCRF,SAM Tool,XCAP,QCAT,QXDM, XCAL, Wireshark.

 

 

LTE RAN Systems Engineering

LTE System Engineer – Samsung ( Sprint LTE Vision) (10/14 –6/15)

 

ü      Involved in Field Integration Testing (FIT) for Samsung Enodebs.

ü      Design verification, and analyzing the new features.

ü      Developing the test cases, drive routes, and identifying the cells for the FIT testing.

ü      Writing the Method of Procedure (MOP)  for new features such as RLF, SBH etc.

ü      Analysing the OMS and KPIs using the tools such as Spotfire.

ü      Pre sanity tesing for FIT Clusters, verifying the RF Parameters for handovers A1, A2, A3, A5, ECSFB, Cell Status, NBR, etc

ü      Investigating the issues from the field using XCAP and QXDM..

ü      Auditing E-node B parameters such as handover parameters, RRC connection Time, MCS etc

ü      Uplink and Downlink throughput analysis.

ü      Analysing the KPI’s and Oms

ü      Alarm Analysis and reporting on a daily basis, collecting the logs and mortems for further investigation.

 

                   Environment  :Samsung e-Node-B, MME,SGW,PGW,PCRF,LSM-R,Spot-fire,XCAP,QCAT,

                   Wireshark.

 

LTE EPC System Integration & Testing.   

Wireless Network Engineer-NEC (02/13 –03/14)    

 

ü      Verification of interfaces and protocols such as GTPv2C, S11, S1-MME, S6a, SGi, Gx, Rx, SGi, S5/S8, S10 and others.

ü      Good understanding of the EPC nodes such as PCRF, PGW, SGW, HSS.

ü      Analyzing Customer Feature Requirements, Preparation of  Test Plan.

ü      Perform protocol captures and trace log analysis using different network analytical tools such as WireShark.

ü      Analyzing, Testing, Network Attach, Detach, TAU, HO-X2, H-S1MME, Inter MME HO, Inter SGW HO, QoS, Dedicated bearer.

ü      Debugging the LTE Lab issue, analyzing call logs, supporting KPIs for network design

ü      Knowledge of Traffic Mix Optimization, Mobility/Handovers for LTE with UE traces on Wireshark on SCTP and Diameter. IOT, Interoperability Tests Experience with different vendor products.

ü      Working with the customer of the LTE E-E Network, Analyzing E-E call scenarios, providing KPI

ü      Intra-SGW Intra-ENB success rate, Dedicated Bearer Establishment Success Rate, Attach Establishment Success Rate, Paging Success Rate.

                                      

Environment:Netscout Tools,Wireshark, Iperf, eNode-B,MME,SGW,PCRF.

 

  LTE,VoLTE,IMS  Testing.

  Systems Engineer-Consulting  (10/12 -02/13)

 

ü      Development & Testing  E-E Test Scenarios, Test Case Development for VoLTE, VoIMS, CSFB, I-RAT, GSM, GPRS, and UMTS

ü      Development & Testing  E-E Test Scenarios, Test Case Development for SMS over LTE, UMTS, GSM, GPRS, HSPA, and CDMA.

ü      Design verification and KPI, with CMW500, and proprietary tools.

ü      Test Executions and Analysis of Test logs, Drive test logs,VoLTE,LTE call failure analysis and  reporting

ü      Good  exposure  to  Qualcomm  MDM9615  modem  Architecture, IMS, SMS  Satck, VoLTE,R&S CMD500 Simulator, VCP,VTM, OCC, E-E Network Architecture.

ü      Design verification and KPI

ü      Working with modem chipset vendor, application processor development vendor and Carrier for resolving

technical issue

 

Environment: MDM9615,QXDM,R&S CMW500 LTE Test Simulator,AT&T  eNode-B,MME,CPG

 

               

   LTE  RAN System Integration & Testing

      Systems Engineer (NEC)  (01/08 -07/10)

 

ü      Analyze test results and investigate issues pertaining to L2/L3 protocol layer, identifying root cause, according to latest 3GPP spec and working closely with network engineers to debug and resolve those issues pertaining to OEM/network side. 

ü      Execute test cases like: Attach, Detach, PDN connectivity/disconnectivity, bearer establishment, ANR for intra and inter frequency HO in the lab with IPv4/ IPv6 performance test cases, including UDP, TCP for various open/closed loop MIMO, SIMO configurations in the lab, IRAT (LTE-eHRPD), pre-sanity tests. 

ü      Creation of test plans for regression and software/hardware features, review and update technical documentation based on test results referring to advanced 3GPP specifications. 

ü      Good exposure of wireless standards and industry organizations such as 3GPP, 3GPP2, and knowledge of different LTE protocol layers (NAS, RRC, PDCP, RLC, and MAC & PHY).

ü      Apply excellent analytical and problem solving skills to identify problems quickly and work with OEM and internal teams to resolve issues to meet target launch dates and delivery commitments. 

ü      Optimizing handovers (RSRP, RSRQ, offsets & timers) and thorough analysis of the event based handover trigger parameters (A2, A3, A5, B2, etc.).

ü      RACH, RRC connection procedure, Cell re-selection and TAU procedures.

ü      EPS functionality testing: Bearer establishment, PCRF, eHRPD testing & MME failovers

ü      Debugging the LTE Production & Lab issue, analyzing call logs, supporting KPIs for network design  

 

                  Environment: Wireshark, Iperf,XCAP,eNode-B,MME,SGW,PCRF.

 

                UMTS RLC/MAC protocol Development, Integration

                  Sr. Software Engineer (Sasken Communication Technology) (11/04 -10/07)

 

ü      Involved in the protocol stack development,feature enhancement,bug fixing of 3G wireless following standards of 3GPP

ü      Implementing the RLC layer according to the 3GPP wireless protocol stack

ü      Design of RLC & MAC  layer according to the service primitives & its interface with RRC.

ü      Understanding the functionality of the RLC and MAC Layer.

ü      Prepared test cases for RLC conformance testing.

ü      Responsible for integration and execute Test Cases.

ü      Responsible for reporting bugs using the defect tracking system.

ü      Involved in Defect reporting, Preparing bug summary report.

ü      Performed functional testing.

ü      Generated performance evaluation report.

ü      Maintaining close liaison with team members and developers in order to ensure the requirements are fulfilled.

            Environment: programming Language C, Linux, Clear-Case, Clear-Quest.

 

            CDMA Resource Manager

            Software Engineer (Nortel Networks) (02/03 -10/04)

 

ü      Involved in the design and development of  Interface module for Resource Manager.

ü      Involved in the design & development of functional module for Resource allocation/de-allocation, Management of resource, management of resource requesting, management of the CIU routing distribution list.

ü      Study and Analysis of IS2000 interface (ICD) & TAFA (Time and Frame Alignment).

ü      PATE (Packet Arrival Time Error)  & IOS (Conversion of Circuit IOS format to Packet IOS format).

ü      Preparation of LLD and implementation.

            Environment: programming Language C, Unix, VxWorks, Clear-Case, Clear-Quest.

       Educational:

         Full-time 4 years Bachelor of Engineering in Electronics and Communications.

         Full-Time 2 Years Master of Science (MS) in Computer Science.