Resume

Nagaraj Naik (Raj)                                                               

E-mail: nagaraj_nn@yahoo.com                                                                                                              Herndon VA-20171

Contact No: 571-356-3488

Objective:

To play a Key Role towards achieving customer satisfaction with commitment by providing better service in the process of getting out the stable telecom products in the market which satisfies operators requirement & end user services with best QoS. Contributing my technical skill set & personal attributes in the  product evaluation process of System Engineering, Technical presales, Software Architect, System Integration, customer management and Opportunity to Learn and Work on Latest Technologies, and be a component of organizational development.

 

Professional Experience Summary:

 

v Highly organized, solutions oriented and driven technical leader who focuses on the large image.

v 16+ years of experience in telecom  End-End Solution Architect, Technical Pre Sales, Project  Management, Customer Account management, Product management, System Engineering and architecture, business and competitive analysis & software engineering.

v 12 Years Direct work experience in Solution Architect with Tier-I Carrier  like Sprint, AT&T, France Telecom, NTTDoCOM, Vodafone, Telesoneria, KDDI, across  the globe

v 16+ years strong  Wireless Background:

ü                                                                                                                                                                                                                                                                             LTE, HSPA,VoLTE, IMS, UMTS, Wimax, GSM, GPRS ,EDGE, CDMA, EVDO, HRPD, VoIP

ü                                                                                                                                                                                                                                                                             TCP/IP,UDP/IP,SCTP/IP,SIP,RTP,RTCP,WLAN, RAN,OFDAM, OSPF,PPP,BGP.ATM,MPLS.

v10+ years of direct work experience with Network equipment vendors like, Samsung, ALU, NSN, NEC, Motorola, Nortel Networks, Ericcson, Openet, Amdocs.

vSound Experience in E-E Network Architecture, Call Flows, Protocols, Interface, RAN, EPC, IMS,VoLTE.

vSound Experience in LTE KPI, System Modeling  in MATLAB, System Performance  with OPNET

vGood  Experience & knowledge in VoLTE, IMS, I-RAT, E-E Call flows, Systems

vGood Experience in handling customer account, RFP, RFI, System Engineering.

vGood Exposure to WiMax, 3GPP,3GPP2  Specification

vGood Exposure  in the process of   Develop and recommending LTE technical solutions and commercial schemes, grounded on the analysis of  customer business goals, objectives, needs, and deployed systems

v Good Experience in Managing very tight scheduled projects of team size up to 50 members. 

v Good Experience in Product Development Life Cycle from conception through deployment      

v      Acted for various clients like Nortel Networks, Motorola, NEC, Wind River, Lucent, NSN, and Samsung in USA, Europe Japan and Korea.

Tools & Development Environment:

Modeling	UML, Rational Rose, SDL, MATLab, Simulink, OPNET, NS-3
Development Environment	Tornado2.1 IDE, GNU compiler tools, crosswind  Debugger, Wind View, Logic   Analyzer, ARM9TDMI SDK, Code Composer, Kiel, IXP-SDK
Configuration Management	Clear-case, Clear-Quest, CVS, CM-Synergy, DOORS
Programming Language	C,C++,Assembly Language
OS	Linux, Vxworks, RT-Limux, OSE, Winodws, Android
Platform	IXP, Freescale, Broadcom, TI, MPC, Agere, Cavium, Wintegra,ARM
Protocol Analyser	WireShark ,X-Cale/Accuver,QXDM,proprietory,Netscout Tools, WindCatcher,JDSU
Vendor  Equipment	Samsung eNode-B,MME,CPG(sGW-PGW),Opennet PCRF,Amdocs Billing Server, NSN-Ericsson HSS,NEC,Ericsson eNode-B, Samsung,LG,HTC,Sier-wireless, LTE Device, OnStar products.R&S CMD500 LTE Testing Equipment,Aeroflex UE Sim,Netscout nGenius,Cisco ASR,CSR router.

 

Work Experience:

 

NetScout Systems, Inc(Principal  SE/Solution Architect) Jan 2013 –Till Date

LTE E-E KPI analysis, Monitoring (Sprint LTE Network) (01/13 –till date)

Main Responsibility:

v      Working with the customer of the LTE E-E Network, Analyzing E-E call scenarios, providing KPI for call model and capacity planning of network design, generating reports network performance at national level, OEM level, and market level.

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

v      Identifying client needs and resolutions based on boundary scans and the job requirements of the

Customer's business objectives.

v      Working with Account teams to offer insight and solutions around customers, commercial enterprise and technical needs

v      Working with product Engineering on customer demand, new feature development, Enhancement of products

v      Proof of Concept, product demo to the customer & training customer on product

 

Env: Netscout Tools SI,PM,Probe, MME,SGW,PGW,CPG,PCRF,Billing Server,HSS,eNode-B,Wireshark,ASR,MSR  Cisco Switches, Redhat Linux

 

Rishi microNetworks(Director of Technology/Chief Solution Architect)Apr 2010 - Jan 2013

 

M2M Over LTE (Sr. LTE Systems Engineer& Solution Architect- Consultant) (Working for OnStar/AT&T) (08/12 -01/13)

 

v      Serving as lead cellular and telematics system engineer and architect for General Motors next generation telematics and infotainment product based on 3GPP and 3GPP2 cellular technologies(LTE, HSPA, WCDMA and CDMA, eHRPD etc.).  

v      Responsible for the overall VoLTE system design, architecture and deployment of General Motor’s Telematics product

v      Lead System design and architecture activities of the IMS client, and then  vendor evaluation and selection

v      Overall VoLTE deployment rollout strategy for worldwide tier 1 operators

v      VoLTE lab test environment development and rollout with coordination of wireless network operators and test equipment vendors.

v      Lead  test activities coordination (field, lab and carrier specific testing) with wireless operator

v      Leader of  Telematics certification and approvals as per 3GPP Standard compliance (PTCRB, FCC, IoT etc.) and carrier specific approval testing   for Tier1  wireless operators

v      Successfully got approval of telematics products for  AT&T, Verizon, European wide operators in time and within budget

v      Lead chipset procurement strategy and provided recommendations for next generation of telematics and infotainment product

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

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

v      Design verification and KPI, with CMW500, CMD200 and proprietary tools.

v      Test Executions and Analysis of Test logs, Drive test logs and  reporting

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

v      Design verification and KPI

v      Overall strategy development of chipset and modem solution vendor selection and evaluation and recommendations for senior management

 

          Env. MDM9615,Onstar Platform,R&S CMW500 LTE  Test Simulator,JDSU ,AT&T  eNode-B,MME,CPG.

 

LTE System Engineer-Consultant (working with Samsung/Sprint LTE Network) (06/11 –08/12)

 

v      Analyzing Customer   Feature Requirements, Preparation of   System Requirement Specification/FDD.

v      Analysis of customer requirement for End-End Call Scenarios, Interworking with different vendors for IOT.

v      Analysis of customer feature requirement and developing test plan, test scenarios & test cases of LTE.

v      Analyzing End-End Call scenarios including different Network Elements (UE, eNode-B, MME, HSS, DNS, SAE-GW, PCRF, OFCS).

v      Reviewing Test Plan, Test cases, analyzing end- end call scenarios, analyzing test logs, problems reported.

v      Coordinating in building test lab, building team, mentoring, competency planning.

v      Simulating the field trial failed scenarios in the lab environment with providing parameters, testing scenarios, analyzing the root cause for the failure. Working closely with Corporate HQ and  LTE Product Management

v      Providing coordination within the Customer Unit technical team.

v      Recommending LTE technical Solutions, based on the analysis of customer needs, and deployed systems infrastructure.

 

LTE eNode-B,MME integration (Worked on NEC LTE Solutions) (04/09 –06/11)

 

v      End-End  knowledge of the 3GPP LTE system – network architecture, concepts, standards, solutions, procedures, interfaces, and signaling protocols at the control and Data plane level. 

v      Authored Concept Design, end-to-end Call Flows, designed Call Processing, Session and Mobility Management, and O&M features, defined Database Objects, Parameters, and Timers, and developed system and network element level (eNodeB, MME) requirements at the message and parameter level for KDDI and China Mobile features for 5 LTE software releases facilitating KDDI’s commercial deployment of its LTE network per plan. Completed on time technical reviews of peers as well as my deliverables soliciting comments from Systems Engineering, Development, Test, and impacted communities. 

v      Assisted Test Teams in comprehension of LTE features’ solution and requirements, reviewed contractual Test Suites and Test Results, and analyzed Lab Logs to troubleshoot failed test cases and isolate test failures to complete System Test on time. 

v      Assessed CRs incorporated into each released version of the 3GPP LTE S1AP standard (LTE Release 8.5.0 – Release 9.6.0). Recommended to management whether or not and in which  NEC LTE release to implement the CRs to meet customer requirements, remain competitive and in compliance with the standard and NEC roadmap. 

v      Collaborated with Hitachi and NEC - documented, agreed upon eNodeB and MME behaviors for successful interoperability. 

v      Enabled successful integration of NEC eNodeB with NEC  MME and packet core network for China Mobile,  NEC eNodeB with Hitachi MME and packet core network for KDDI, and  NEC eNodeB with NEC eNodeB for KDDI allowing KDDI to commercially deploy interoperable multi-vendor LTE system per plan. 

v      Generated Statement of Compliance to each released version of the 3GPP LTE standard for the RAN3 Technical Specifications “TS 36.300 Stage 2 Overall Description” and “TS 36.413 Stage 3 S1 Application Protocol” for customers’ and Market Teams’ consumption, presenting capabilities of the  NEC LTE product line to win customer business

 

Aricent Technologies (Principal Systems Engineer/Sr. Technical Manager) Mar 2007 – Apr 2010

 

LTE eNode-B Call processing  08/09  -04/10

 

v      Authoring customer requirements for Call processing,Mobility System Requiremnt Specification Document.

v      Technical solution proposal for LTE & System Engineering, RFP and RFI

v      Participating in the Organization’s sales process, by performing the Customer Solution Responsible

v      Responsible for leading initiatives and providing coordination within the Customer Unit technical team and the customer for dedicated LTE programs. Analyzes and follows market trends and dynamics, and recommends product portfolio strategies to support customer's wanted market position.

v      Attending customer discussions as requested and demonstrated ability to establish long-term customer relationships. Analysis of  LTE Specification 36.xxx RLC,MAC,PDCP,RRC, PHY/OFMDA & SC-FDMA ,S1-AP and X2-AP,GTP-U,SCTP,MME,S-GW,System Architecture, Interface specification, Planning testing & Integration, Mentoring team

v      Requirement Specification for S1Intereface,X-2 interface, Interface control Specification. It’s around 200 Engineers working on different international location (Japan, UK, Australia & India), Lead the implementation activities for Call Processing & HO, It’s very ambitious time frame project delivered on time with good quality of customer (NTTDOCOM) LTE show.

Env: C, C++, RTOS, MPC, Freescale DSP, proprietary test  tools.

 

  HSPA & HSPA+ for 3G-PP Rel-7 & Rel-8   Feature Development & Integration

  (Worked on NSN HSPA+ Solutions) (06/08 -08/09) 

 

v      Authoring HSPA & HSPA + for Rel-7 & Rel-8 Features, Responsible for Feature specification, Feature functional Specification, Interface Specification.

v      Analysis of proprietary solutions, Technical mentoring, Chairing review, Analyzing the system impact, call scenarios, Test Plan for features, Test case Analysis, Leading both development team & Test team

Of about 50  members.

Env: C, C++, DSP, ROTS, MPC, proprietary test  tools

 

WI-MaX BS (Worked on Alcatel-Lucent Wimax Solutions) (06/06 -06/07)

Responsibilities:

 

v      Authoring WI-MAX  BS Feature Specification Requirement.

v      Analysis of TCP over Air interface, Transport layer analysis &throughput analysis.

v      Analysis of Management Messages, Analysis of QoS &Analysis of Radio Resource Allocation

v      Analysis of 802.16d,e, corrigendum 1,2,3. &driving team for Feature Analysis.

v      Account Management, Project Management, team appraisals and Quality process

v      Taking part in the Organization’s sales process, by performing the Customer Solution Responsible

v      Responsible for leading initiatives and providing coordination within the Customer Unit technical team and the customer for dedicated Wimax programs.

v      Attending  customer discussions as requested and demonstrated ability to establish long-term customer relationships

 

Packet Abis/Psedowire (Worked on Nortel Networks/France Telecom)(03/07-07/07)

 

Responsibility,

v      Writing   technical solution proposal for packet Abis

v      Worked with customers at their place for analysis of:

§    System Engineering, Identifying protocol stacks needed, Hardware platform required

§    Deployment Scenario, Security Aspects

Environment:

GSM, GPRS, Pseudowire, Network Processor, Protocols

 

Intellinet Technologies(Sr. Technical Lead) Feb 2005 – Mar 2007

 

UMTS Rel-6 Modified RNS Gateway, extension to 4G (Worked on Alcatel-Lucent UMTS Solutions)(05/06-03/07)

Responsibility,

v      System Engineering, Preparation of SRS for IuCS over IP,RANAP SRS Preparation & RANAP Routing algorithms, OAM SRS for IuCS Over IP

v      Preparation of Interface Requirement Document for BSG

v      Customer Interactions & Coordinating with development team across country

v      Interact with Marketing Team and Management &Project Estimation

v      Participating in the Organization’s sales process, by performing the Customer Solution Responsible

v      Responsible for leading initiatives and providing coordination within the Customer Unit technical team and the customer for dedicated UMTS programs.

v      Attending  customer discussions as requested and demonstrated ability to build long-term customer relationships

 

UMTS Iu PS Interface (Worked on Alcatel-Lucent UMTS Solutions)(10/05-07/06)

The main responsibilities:

v      System Engineering, Preparation of SRS, Preparation of Interface Requirement Document

v      Preparation of  System Requirement Data/SRD Document

v      Reviewing  of Interface Requirement Document &Customer Interactions, Interaction with Marketing Team and Management, Coordinating in team appraisals and Quality process &Project Estimation

v      Participating in the Organization’s sales process, by performing the Customer Solution Responsible

v      Responsible for leading initiatives and providing coordination within the Customer Unit technical team and the customer for dedicated UMTS programs.

Environment: C, APP550, Linux.

 

GPRS/EDGE: BSC   PCU (Worked on Vihaan Networks Network in Box Solutions)(02/05-12/05)

Responsibility,

v      System Engineering & Writing SRS &System Architecture

v      Interface Requirement Document Preparation &  High-level Project plan

v      Interaction with Client &Third-party Project tracking for GB and FR, Technical Documentation (SRS, FRS, Design) Review, Review of Source Code & Preparation of Functional Requirement for PCU

v      Preparation of Design, Team Management &Interaction with Marketing Team and Management

Environment: C, RT-Linux, Accelero, CVS, BTS Simulator, SGSN/NetHawk Simulator, and MPC8560&MPC8540

 

Aricent Technologies(Technical Lead) Oct 2004 –Feb 2005

 

Near field Communication (Worked on Philips Semiconductor) (10/04 – 02/05)

Responsibility,

v      Analysis NFC specification & Involved in product conceptualization, Preparation of Technical Documents &Project environment setup. Preparation of HLD,Design &Implementation of Emulation of NFC Core

v      Design &Implementation of State diagram &Involved in Multithreading Design approach

Environment: C, Linux, and CM Synergy

 

Wipro Technology(Project Engineer) Jun 2003 – Aug 004

 

CDMA-1X-BSC-Hostport Interface: (Worked on Motorola Solutions)(06/03-08/04)

Responsibility:

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

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

v      Preparation of LLD and implementation.

Environment: DSP56300 Assembly Language, EME, ADS,ICE

 

Sasken Communication Technology(Sr. Software Engineer)April 98  - Jun 2003

 

ATM: Segmentation and Reassembly (SAR) & Development of VPI/VCI Lib.

(Worked on Wind River Solutions)(08/01-06/03)

Responsibility:

The main aim of this project is to develop main features of AAL5-SAR using MPC8260.The MPC8260 is placed between the host system and a PHY device and is controlled by the host by accessing the internal registers of the MPC8260 via PCI (Peripheral Component interface) bus interface. The transmit/receive data is directly transferred with system memory under the management of the host, by using the internal DMA controller. An indication to each packet is transferred to the system memory to indicate the status of completion of transmission/reception. Study of AAL5_SAR layer Specification & Understanding hardware Architecture, Understanding Memory Architecture, Preparation of HLD and LLD, Implementation & Unit testing

Environment: VxWorks, C programming Language, MPC8260. ICE

 

UMTS: RLC & MAC Protocol stack (07/99-08/01)

Responsibility:

v      Involved in the protocol stack development of 3G wireless following standards of 3GPP

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

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

v      Managing team members

Environment:    C, ARM SDK, Linux.

CDMA Resource Manager (Worked on Nortel Networks Solutions)(04/98—06/99)

Responsibility:

  The RM in the CAU provides a distribution point of reference for the allocation and deallocation of  selected SBS call processing resources to CDMA calls. This RM executes its task through a well defined messaging interface.The main function of RM: resource allocation/Deallocation, Management of Resources, Management of Resource requests, Management of CIU Routing distribution list

Environment: programming Language C, Unix, VxWorks

 

Education Qualification:

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