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Umesh DunduMadaiah

Technical Lead

Work experience

Nov 2012Present

Technical Lead

Ericsson Global India Pvt limited

Testing of Ericsson Multimedia Telephony Application server {MTAS: MMTEL AS, SCC AS} VOLTE Services on Cloud(Openstack), Which is the Key Node in IP multimedia subsystem IMS core network, It is responsible for implementation of all multimedia service.

Main Activity Involves.

  • Product line Maintenance Test Coordinator 
  • Leading Team with Ticket handing KANBAN
  • Project planning, Sprint Planning, Test Planning SCRUM
  • Release verification and validation
  • Test analysis for the requirement
  • Project Testing estimations
  • Configuration of the node
  • Design of new testcase for requirement
  • Performing Test activity according to specification
  • Functionality/Feature testing VOWIFI, SRVCC R12, RBT, NP, DNM
  • Early system testing: Stability and robustness of system
  • Characteristic measurement of Application server
  • Reporting and analysis of the faults
  • supporting the designers while troubleshooting
  • Agile Ways of working
  • Protocols : SIP, Diameter, H248
  • Tools : sipp, Wireshark
  • Scripting : TTCN, Shell, Perl ,Python
  • Version management: clearcase,GIT 
May 2011Nov 2012

Process Analyst

Cognizant Technology solutions

Worked on BSS (Bussiness support system) for Huawei TELLIN Charging system,with CAP, INAP, DCCA, SS7 protocols following the V-Model Software testing process, Testing the Calling card functionality and Performance for fixed and wireless network.

Activities involved

  • Test case Planning
  • Test Scripting using TTCN
  • Automation  testing and CI using cruise control
  • Conformance Testing
  • Feature testing as per requirement specification
  • Performance testing
  • Raising the trouble ticket and tracking until resolution
  • Protocols : CAP, INAP, DCCA, ISUP
  • Version management : SVN,Clearcase,
  • Database: SQL
  • Scripting : TTCN,Shell,
Mar 2010May 2011

Senior Engineer

IDEA Celluar Ltd

Worked with Telecom Operator  who is Ranked Top 3 in India for Complete core network setup in new location, Involved in Integration, configuration, operation, Migration of network entity MGC, MGW,  GMSC, Network KPI analysis, Inter-operator connectivity, fault management and Customer issue resolution.

Activity Involved

  • Configuration of MGC  and MGW : Routes, Trunks, Signalling links
  • Operation and Maintenance of core network as per SLA
  • Day to day Traffic analysis : Network congestion tracking
  • Testing of new node addition and new features implementation in network
  • KPI Analysis : Call completion success rate and failure rate analysis
  • Accountable for fault management and Customer issue resolution
  • Software upgrade and hardware faulty card replacement activity
  • Data backup and day to day activity logging
  • Protocols : ISUP, H248,SIP,CAP, MAP
  • Nodes : Huawei and ZTE  (MGC, MGW, GMSC)

Feb 2009Mar 2010


Alcatel-Lucent Managed solution India Pvt Ltd

Worked with Alcatel- Lucent Managed solution for Reliance communication who is the Leading operator with CDMA and GSM  technology.

Activity Involved

  • Operation and Maintenance of CDMA and GSM network (R4 and R5)
  • Worked on ZTE CDMA  All IP Network ZX10 MGC and MGW
  • Integration and configuration of Huawei MGC MSOFTX3000 and UMG 8900
  • SS7 and SIP signaling configuration
  • Trunks and Route configuration
  • Fault management and Alarm monitoring
  • Traffic and KPI analysis
  • Customer issues resolution
  • Protocols :ISUP, SIP, Megaco, CAP, MAP
Oct 2007Oct 2008

Graduate Engineer Trainee

TATA Power Strategic Electronic Division

Worked with TATA power SED for  project the Mobile telemetry system{MTS} for Light combat aircraft

Activity Involved

  • Integration and configuration of the MTS
  • L band signaling and PCM modulation
  • Test case design and Execution
  • Fault troubleshooting
  • Operation and Maintenance of the system


Work Experience of 9+ years in Telecom Domain core network, experience acquired from GSM to IMS core network, Experience covers different sectors from R&D, operator and services, versed with different testing models, Leading the team for better quality and in time  project delivery, Passionate to take up new challenges,  Motivated to work on latest technology


Apr 2003May 2007

Bachelor's of Engineering Degree : Electronics and Communication

Visvesvaraya Technological University

Completed Engineering in Electronics and communication  in the VTU university and college Vivekananda institute of Technology


Interested to work on latest Technology  and Onsite location, Take up challenging assignments  and Lead Team


Apr 2014Apr 2014

Ericsson IMS Associate


IMS network and protocols

Feb 2009Mar 2010

SIP,SS7,CAP,H248,H323,MAP Protocols Certifications


SS7 and IMS Protocols Overview

Inter-Personal Skills

- Good Written and Verbal communication

- Strong Trouble shooting and Problem solving ability

- Able to works with the Team , Team Player

-  Proactive and ready to take initiative

- Self Confident and Positive attitude

-  Ability to accept Constructive Feedback

- Willing to Learn new Technology


I hereby Certify that the above information is true and correct to best of my knowledge