Customer Computer Science

PROFESSIONAL PROFILE

Result-oriented professional with more than 4+ expertise in System Analysis

& Design, Software Development Life Cycle (SDLC), platform development,

features development, debugging, deployment, documentation and testing in

capacity of Software Developer with excellent organization, interpersonal,

and communication skills.

Key focus domains included Telecom, Customer/Vendor relationship Mgmt,

Customer Satisfaction, Requirement, Analysis/Estimations, Design, Ownership

& Mentoring, Service Delivery, Solution, technical consultancy, and Time

Mgmt.

. Worked as a critical resource for CISCO MGX (voice) team and delivered 6

cycles of releases to various leading customers successfully including

British Telecom, Comcast, Italtel, Emirates, MTS Russia, Vodafone,

Telephonica.

. Analyzing new enhancements and translated business requirements into

functional requirements based on customer requirement, preparing SRS and

getting involved in Development, Testing and Deployment on customer node.

. Regular customer interactions and meetings to understand

customized/client centric product feature requirement

. Resolved customer queries including Customer's live network,

troubleshooting, debugging and providing quick solutions.

. Delivering fixes and getting customer acceptance and sign-off

. Experience in scripting both TCL and Shell in Unix/Linux Environment.

. Worked on different call flows of various network protocols that include

SIP, MEGACO, TGCP and MGCP and analyzed packet stream using Wireshark and

Ethereal

. Worked on Cisco CPT (Carrier Packet Transport) team resolving severity 1

bugs and coding enhancements for customer to stay SLA (Service Level

Agreements) compliance.

PROFESSIONAL EXPERIENCE

Aricent Group

Mar 2010 - Nov 2013

Senior Software Engineer

. Key responsibilities included executing SDLC

[Strategy(Analysis(Design(Document & Code(Test(Implement(Release & Post

Production support] by defining Software Feature Specification, Design,

Coding, Testing and deploying product release to customer based on

requirement and criticality level.

. Code development, code review and reproducing issues in lab and

delivering release on estimated time.

. Providing 24x7 on call support for leading Customers that includes

troubleshooting live network, providing solutions and ensures RCA (Root

Cause Analysis) of a problem to be resolved in a timely manner.

. Cross-business and team collaboration by coordinating with Cisco BTS,

Cisco PGW and Cisco MGX DSP Vendor on feature enhancement and

troubleshooting on their devices for various issues.

. Organized teams for reporting errors, fixing issue, testing and ensured

software governance & compliance.

. Provided end to end support for operation and project environment by

analyzing and understanding Customer requirement with regular

interactions with team members.

. Provided secondary support to Manager, Technical Leader and mentorship to

junior technical staff

. Provided patch fixes, software upgrade and verifying end to end

functionality

. Assessed requirements/needs of end-users; clarified software features and

capabilities to maximize client benefit of systems

. Conformed to C++programming standards while coding scripts in

applications; worked in coordination with quality team to ensure

adherence to required standards.

. Responsible for testing new and existing software (developed and

documented test plans and technical coding Artifacts) to ensure user-

friendliness. Updated software as per requirements; assisted in adding

the new and latest features to existing software applications.

. Completed and delivered all projects on-time and ahead of schedule

Project Details

CISCO MGX

MGX in combination with VISM/VXSM Card enables telephone calls on

conventional time-division multiplexed (TDM) voice circuits to be

transported over an AsynchronousTransfer Mode (ATM) packet-switched and

VoIP networks. MGX is called "Universal Chassis" because it scales from DS0

to OC48c.

MGX is multiservice switch that provides support for following

features/services in a single platform:

. Permanent Virtual Circuits (PVCs)

. Soft Permanent Virtual Paths (SPVPs)

. Soft Permanent Virtual Circuits (SPVCs)

. Frame Relay

. ATM

. IP

. PPP

. Circuit Emulation

. Voice Services

CISCO CPT

Carrier Packet Transport (CPT) system is designed to help service providers

transition from TDM networks to packet transport networks smoothly and

efficiently. CPT System is an integrated packet transport platform,

designed to support transport applications so that service providers can

continue to offer existing transport services while enabling new packet

services.

Aricent Technologies (Holdings) Ltd.

Jun 2008

- Jul 2008

Internship

. Worked on a project ESME Simulator that includes messaging protocols

SMPP, SIP.

. Responsible for feature development and testing.

ACADEMIC PROJECTS

SIP Messenger

Aug 2008 - Apr 2009

. Designed and developed a SIP Messenger for two users to exchange

messages.

. Used Visual C++ as programming language.

. Socket Programming technology was used to build Messenger.

. Created a user friendly GUI that to allow message communication among

users

. Message can be transferred to other user on basis of Local IP Address and

Local Port.

Stock Management

Aug 2004 - Feb 2005

. Designed and developed for managing various stocks along with their

details using C++

. Menu driven GUI allowed user to manage stock with password security.

. Separate directory for client and suppliers was delivered for security

considerations.

. Ability to create, delete, search a particular record for both client and

supplier.

EDUCATION

B.E. Computer Science and Engineering

Engineering degree in Computer Science

TECHNICAL SUMMARY

Technology Used: VOIP, MGCP, H248, TGCP, M3UA, IUA, RUDP, APS, CALEA, SDP,

SIP, TCP/IP, RTCP, SNMP, Socket Programming

Cisco Software: MGX8850, CPT50

Cisco Hardware: VXSM-OC3,VXSM-T3/E3, VXSM-T1/E1, VISM, PXM45, AXSM,

TNC/TSC, PTS

Programming Language: C, C++, Unix, Linux, TCL, Shell Scripting, HTML, SQL

Operating Systems: Cisco VxWorks, Cisco IOS, DOS, Windows

Software Tools/Technologies: GCC, GDB, ClearCase, Wireshark, Ethereal, Cool

Edit Pro, CTC, CDETS, MS Office

DIVYA MANGLA ************@*****.***

832-294-

0199

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