Ujjal Das

Experience

• 

  Reliance Communications

  Jun 2012 - Apr 2013

  Signalling & VAS Engineer

  O&M of STP & VAS (USSD, Roamware, CRBT, MCA) nodes

• 

  Ericsson

  Mar 2013 - Jul 2014

  Signalling & VAS Engineer

  O&M of STP & VAS Nodes (USSD, Roamware, CRBT & MCA)

• 

  Sasken Communication Technologies Limited

  Aug 2014 - Feb 2015

  Engineer

  O&M of Tekelec STPs of KolkataCircle for Client Aircel,

• 

  Vodafone

  Feb 2015 - Sept 2015

  Senior Engineer

  O&M of Pan India NSN STPs, Configuration of Tektronix Touchpoint

• 

  Huawei India

  Sept 2015 - Feb 2017

  Senior Engineer

  Configuration management & network planning & troubleshooting of Pan India Huawei STPs & DRA of Client Idea Cellular Ltd.

• 

  Ericsson India

  Feb 2017 - Oct 2017

  Senior Engineer in STP & VAS Operations

  Senior Engineer in STP & VAS Operations for RCOM Project.Configuration & troubleshooting on PAN India 13 Oracle STPs & providing L2 support to resolve issues.Troubleshooting & administration of Osiyan USSD E-Recharge servers & providing L2 support to resolve issues.Troubleshooting of International Roaming Issues based on analysis of Mobileum Nodes.

• 

  Spice Digital

  Oct 2017 - Apr 2019

  Assistant Manager

  Providing L3 Support in USSD Application of Vodafone Mpesa Wallet Project.Coordinating with TCS Team (Web Server end) & Vodafone (Network Gateway End) as per requirements to sort out & resolve issues.

• 

  Vodafone

  Apr 2019 - Apr 2021

  Deputy Manager
• 

  Infobip

  May 2021 - Jul 2022

  Operations Engineer at Infobip India Ltd.
• 

  Mobileum

  Aug 2022 - now

  Technical Lead