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  • Have been working for vendors like Cisco, Ribbon (formerly known as Genband) and Ericsson. 
  • Having 9+ year of industry experience with about 8.1 year in Telecom/VoIP/VoLTE.
  • Started VoIP based career from Cisco's Call Managers to get the enterprise level experience. Later worked on Genband (Ribbon) Session Border Controller (P-CSCF and IBCF) to get the ISP level experience. Now been working on Ericsson IMS and Cloud portfolio (which includes IBCF, P/I/S-CSCF, Application Server, Media Gateway, Ericsson BSP/HDS Hardware) to get the complete end to end overview of VoLTE/VoWiFi/VoIP telecommunications.
  • Presently working with a global team within Ericsson. Supporting Ericsson regions worldwide for proposal preparation, answering RFPs & RFIs for Virtual IMS and Ericsson Cloud (OPENSTACK) portfolio.
  • Have been part of 60+ RFx answering. Handled many exhaustive SoCs and long duration RFPs.
  • Acting as Pre-sales Product Lead for SBC in Ericsson's IMS portfolio.
  • Familiar with OPENSTACK services such as Nova, Neutron, Swift, Cinder, Glance, Keystone, Horizon, Heat and Ceilometer.
  • Solution Architect (Associate) level knowledge of Amazon Web Services (AWS) portfolio.
  • Familiar with AWS services such as EC2, S3, ELB, Auto-scaling, IAM and VPC.
  • Knowledge of protocols such as SIP, RTP, DIAMETER, DHCP, DNS, TCP/UDP/IP with basic knowledge of H323, MGCP
  • Knowledge of tools such as Wireshark/Tethereal, SIPP - SIP testing tool, SIP soft phones,Secure CRT.
  • Knowledge of IMS (IP Multimedia Subsystem) nodes and reference points
  • Knowledge of operating systems such as LINUX & Windows.
  • Worked as a Deployment Engineer for a Telecom VAS node called Open Messaging Gateway (SMPP protocol based)
  • Basic Knowledge of SMSC
  • Ericsson Cloud Associate, IMS Associate; Cisco CCNA, CCNA Voice, CCNP Voice - CIPT1; Microsoft MCP Certified

Work experience

Jun 2016Present

Senior Engineer - Product Lead

Ericsson Global India Pvt. Ltd.
  • Involved in preparation of IMS VoLTE, DRA/DEA and Cloud (Openstack) portfolio related technical solution/proposals/answering for respective RFPs/RFIs including SoC & Dimensioning activities.
  • Have been part of 60+ RFx, many exhaustive SoCs and long duration RFx, some of which turned into WINs. Few are highlighted below:

    Vodafone UK, Vodafone Greece, TDC, Telekomsel, Bulgarian Telecom (Vivacom), Optus, Kyivstar, VNPT, Viettel, Maroc Telecom, Telus, Telia, Orange, DT, Swisscom, NTT Japan, KOPT Japan, and more.

  • Providing Technical Sales Support for IMS (IP Multimedia Subsystem) Core Network portfolio. Portfolio includes virtual core nodes such as: Virtual IBCF, Virtual P/I/S-CSCF, Virtual Application Server, Virtual Border Gateway Function (vBGF), Virtual Multimedia Resource Function (vMRF).
  • Act as an Pre-sales Product Lead and Expert for Virtual SBC (P-CSCF/IBCF). Maintain database of all Non/Partial compliant features and coordinate with Product Manager to develop features as per market demand. Provide support to the team in answering complex SoC requirements.
  • Act as a Team Coordinator/Lead while handling huge RFPs, responsible for all the deliverable sent to the customer with short submission timelines.
Jan 2013Jun 2016

Associate Consultant

GlobalLogic India Pvt. Ltd.
  • Provided Technical support to more than 100 Service Providers
    • Support includes installation, upgrade & troubleshooting on Session Border Controller (Linux based)
  • Used to handle Emergency calls (including total Service Outages)
  • Used to schedule Maintenance Windows and performing activities in the time boxed window
    • Activities include: application installation/upgrade, patch installation, DB restoration, issue troubleshooting & data collection for further investigation of issue
  • Worked on RCAs
  • Used to coordinate and follow up with Sustaining/Testing/Deployment teams and driving the cases towards resolution
  • Used to set up Lab and reproducing/testing customer reported issues on it
  • Handled similar responsibilities ONSITE (Canada) solely
  • Knowledge of protocols such as SIP, SDP, RTP, DIAMETER, SNMP, DHCP, DNS and TCP/UDP/IP
  • Knowledge of VoIP, Networking, Linux and Telecommunication
  • Experienced in tools such as SIPP – SIP Testing Tool, TETHEREAL and WIRESHARK
Nov 2010Jan 2013


HCL Technologies Ltd - IOMC
  • Worked as a support engineer for Cisco VoIP products (Project Cisco ROS):
    • Work responsibilities includes troubleshooting of call failures on CUCM end and user management in CUC & CUCM
    • Familiar with Protocols such as SIP, H.323, MGCP
    • Familiar with IP Telephony concepts like Deployment Models, CSS/Partition, Call Routing, Translation and Transformation Pattern, Hunt Pilot, LDAP integration with Active Directory
    • Hands on experience on IP Telephony features such as Call Park, Call Pick up, Extension Mobility
  • Worked as a Deployment Engineer & Technical Mentor on a Telecom VAS Support Node named as OMG (Open Messaging Gateway):

It works like a Load Balancer and supports many features like Throttling, Address Translation, Content Manipulation, Alias Hashing and etc. It uses SMPP, UCP, SMTP and more protocols for message forwarding & OMG can be used for protocol conversion as well

    • Deployment of the node includes Preparing MOP (Method of Procedure), Installation, Configuration, Integration (with SMSC) & ATP (Testing)
    • Used to apply hot-fixes for release and maintenance upgrades
    • Remotely deployed application for operators like TIM, Telefonica, Claro & Movilnet
    • Conducted training for the product
Mar 2010Sep 2010

Technical Specialist

iYogi Techinical Services
  • Used to resolve all kinds of Desktop issues over the phone
  • Provided support for Windows 7, Windows Vista and Windows XP
  • Provided remote technical support to US & UK
Nov 2009Mar 2010

Network Admin

  • Provided technical support to entire floor on software and hardware
  • Managed user profiles with proper assignment of rights on resources
  • Used to configure Wireless Access Point & DHCP server
  • Used to troubleshoot Network issues
  • Was responsible for the maintenance of more than 100 desktops
  • Used to remote installation through WDS server
  • Used to prepare Technical rooms for upcoming trainings
  • Used to take normal backup of Servers


Ericsson IMS and Cloud portfolio, Diameter Node, reference points and call flows

Virtual I/S-CSCF, Virtual MTAS, Virtual MRF, Virtual DRA/DEA/DSC, BSP/HDS hardware, PCRF, PCEF and Gm, Mw, ISC/Ma, Sh, Dh, Cx, Dx

Amazon Web Services, OPENSTACK Portfolio

AWS services such as EC2, S3, ELB, Auto-scaling, IAM, VPC etc.

Openstack services such as Nova, Neutron, Swift, Cinder, Glance, Keystone, Ceilometer etc.

Virtual Session Border Controller (P-CSCF, IBCF)

Ribbon (Former Genband), Ericsson

Signaling and Media Protocols

Such as - SIP, Diameter, RTP, RTCP

Analysis and Testing Tools
Wireshark/Tethereal, SIPP - SIP testing tool, SIP soft phones
Operating Systems
Linux, Windows
Network Protocols
Other VoIP protocols
H323, MGCP



Masters IT

Sikkim Manipal University

Higher diploma in Systems & Networking


Certification course of MCSE


Diploma in Computers

Computer World

Bachelors Commerce

Delhi University
May 2005



May 2003




Jun 2018Never

Ericsson Cloud Associate

Dec 2016Never

Ericsson IMS Associate

Jul 2012Jul 2015

Cisco CCNP - CIPT1

A Cisco Certified Network Professional exam
Jul 2012Jul 2015

CCNA Voice

Cisco Certified Network Associate in Voice
Oct 2009Jul 2015


Cisco Certified Network Associate
Nov 2008Nov 2011


Microsoft Certified Professional


  • Eagerness to learn & perform in an organization
  • Positive approach, confident & smart/hard working
  • Ability to achieve targets by prioritizing objectives & tasks

Personal Details

Father’s Name            :           Mr. Raj Kumar Jain

Date of Birth               :           28th, Dec 1987

Nationality                  :           Indian

Marital Status             :           Married

Language known        :           English, Hindi

Hobbies                       :           Listening to music, exploring new places