Ajay Gupta

  

Software Engineer, Cisco Systems, Inc.

Location: Research Triangle Park, NC


Certifications

Certified ScrumMaster

Biography

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AJAY KUMAR GUPTA

 

Home address: 113 Malvern Hill Lane, Morrisville NC 27560, USA

Telephone: 919-272-3698

Email: akgupta0711@yahoo.com

______________________________________________________________________________________

 

OBJECTIVE

 

A position that is challenging, which will use my many years of team leadership and technical skills in system architecture, software architecture & design, programming real-time applications, VoIP and security applications.

 

SUMMARY OF WORK EXPERIENCE

In my more than twelve and half years of work experience I have acquired essential experience in system & software architecture, design & coding. Most of my experience is in the area of Voice over IP protocols (SIP & H.323), device & network security, Telecom protocols & features, database, networking, system administration/analyst, and project management.

I had obtained essential experience in handling various platforms such as IOS (Cisco proprietary OS), Linux, pSOS, UNIX (Solaris, Digital-UX), DOS, and Windows. Combined with my leadership and supervisory experience, I have delivered projects in timely and efficient fashion.

My strict attention to detail is balanced with demonstrated ability to see the larger perspective, completing projects efficiently, on time. I am a consistent contributor to system success with enthusiasm, commitment to excellence, exemplary communication skills & leadership.

TECHNICAL EXPERTISE AREAS

 

  1. Voice Over IP & Telecom Protocols and Features

SIP based VoIP network & SIP to ISDN interworking functionality

SIP based Presence & IM applications

H.323 GWs & Gatekeepers

H.323 to GSM interworking functionality

ISDN, SS7, GSM protocols

  1. Security

Authentication & Authorization for SIP based call control server

Secure connectivity based on Transport layer security (TLS/SSL) & IPSec,

Public Key infrastructure & key management/agreement

SCEP based PKI

PKCS

IKE

Perimeter security (NAT/Firewalls),

Identity & access management

Authentication protocols such as RADIUS, TACACS+, CHAP, EAP etc.

Credential management

Authorization Models such as NIST RBAC, Group based authorization etc.

Security threats analysis

Intrusion detection & security management

  1. Real-time embedded system
  2. Network management & administration for VoIP devices

SNMP based Fault & Performance management

 

TECHNICAL SKILLS

 

Language:                    C/C++, Java, TCL, XML, Assembly language (M6800, Intel 8086).

APIs:                            J2SE APIs, JAIN-SIP, Java RMI, JINI, Java Space, JCE/JSSE, J4Log, OpenSSL,

                                     STL, OSGI, CORBA, RSA Crypto library.

Methodologies:            OOP/D, UML, SDL

Middleware:                Apache, Tomcat

Operating Systems:     Linux, Cisco’s IOS, pSOS (RTOS), VxWorks, Solaris, Windows, Digital UNIX,

                                     MS-DOS.

Hardware Platforms:    Pentium based PCs, Sun workstations, Digital Workstations, K6 processor based 

                                     machines, Cisco’s router Platforms

Databases:                    Oracle, Sybase 

Network Protocols:      XML-RPC, BEEP, SOAP, HTTP, SNMP, SMS, MMS

Tools:                           Telelogic SDT (SDL development tool), RADVision H.323 stack, CORBA,

                                     DCE/ENCINA, RougeWave, Rational Rose, MS Visual Studio, Protocols

                                     Simulator/Analyzer, Clearcase CM, SNMP Research tool, MS Project.

 

EDUCATION

 

Bachelor of Engineering in Electronics & Telecommunication from Regional Engineering College, Silchar, India, in June, 1993.