EXPERIENCE SUMMARY:

• 10+ years of experience in the analysis, design, development, implementation, testing and integration of full life cycle of telecom products and applications.
• OpenStack, Telco Cloud, NFV, Virtualization, SDN (OpenContrail) and VMware vSphere v6
• Hands on experience of deploying and configuring various OpenStack that spans networking, IaaS, PaaS, storage and deploying open IMS (Clearwater) over OpenStack. Able to plan, deploy and configure telecom NFV over private virtualized environment.
• Excellent hands - on knowledge of OpenStack architecture IaaS/PaaS and various services such as Neutron, Nova, Keystone, Glance, Cinder, Orchestration, Ceilometer.
• Deployment of High Availability (HA/Fault-tolerance) OpenStack
• Deployments of Clearwater IMS on OpenStack.
• Experience of deployment of OpenStack on RHEL (Red Hat Enterprise Linux) 6.0, CentOS 7 and Ubuntu 14.04 and deploying open IMS over virtualized environment.
• Understanding of network topologies of OpenStack.
• Integration of OpenContrail with OpenStack.
• Worked on multiple hypervisor like VMware ESXi 6.0, KVM and QEMU.
• Hands-on on messaging queue software like RabbitMQ and ZeroMQ.
• Good exposure of troubleshooting in OpenStack.
• Deployment and configuration of various releases of OpenStack (Icehouse, June, Kilo, Liberty and Mitaka)
• Integration of OpenContrail with OpenStack.
• Integration of OpenContrail Controller with OpenStack Controller and OpenContrail vRouter with Compute Node.
• Understanding of interworking of various components like Configuration Node, Analytics Node, Control Node, DB Node and Compute Node.
• Good exposure of troubleshooting in OpenContrail.
• Hands-on experience in Linux networking.
• Deployment and configuration of DevStack and PackStack
• Hands-on in Red Hat Triple O (OpenStack on OpenStack)
• Experience of OpenStack administration & operations through CLI and Horizon GUI both.
• Deployment, configuration and administration of OpenStack components and CloudFormation using Orchestration Service.
• Auto scaling using Orchestration.
• Hands-on experience in Puppet and Chef.
• Hands-on experience in VMware vSphere 6.0.
• Managing ESXi hosts using vCenter server.
• Configure virtual networks with vSphere standard switches.
• Manage virtual machines, templates, clones, and snapshots.
• Migration of virtual machines with VMware vSphere vMotion.
• Configure and manage vSphere infrastructure with VMware vSphere Client and VMware vSphere Web Client.
• Manage VMware vSphere High Availability and VMware vSphere Fault Tolerance
• Hands on exposure of integration of Openstack and vCentre (ESXi).
• Hands-on experience in Python programming
• NSN SDM- One-NDS, One-HSS and One-HLR

TECHNICAL SKILLS:

Programming Languages: C, C++, Java, Shell scripting and Python

Operating Systems: Sun Solaris, UNIX, RHEL/SUSE/Ubuntu/CentOS Linux, Windows 9x/Me/2000/NT/XP/7/10.

Tools: used: Source Insight, Code Warrior, IBM Clear Case, Apache JMeter.

Debugger: Solaris DBX

Database: SQL.

TELECOM DOMAIN EXPERTISE:

• IN CS2 split call model.
• Call Forwarding, Call Hold, and Three Way Call.
• Solved issues in Call Forwarding, Call Hold, Three way calls, Billing, Routing and Announcement.
• Good understanding of LDAP, SOAP, Diameter, MGCP, and MAP/SS7.

PROFESSIONAL EXPERIENCE:

Confidential

Protocols: LDAP, SOAP, Diameter.

Tools: Apache JMeter, Nokia Carmen Simulator, Siemens IPSL.

Environment: Suse Linux on IBM H/w, Redhat Enterprise Linux on HP H/w.

Responsibilities:

• Installation, Upgrade and troubleshooting of One-NDS 8/9.x, HSS, One-HLR and One-EIR
• Familiar with One-NDS nodes like ADM, NTF, Provisioning gateway, PGW-DS, FE-DS and BE-DS.
• Deployment of different releases, software patches in lab, verification and validation of software fixes.
• Customization, deployment and testing of data model.
• Writing MOPs for new software release.
• Preparing test cases for new features and writing xml scripts for SPS as per requirement documents.
• Testing SDM solution on IBM/ATCA/HP hardware.
• Providing solution to customer queries/problem with respect to SPML provisioning scripts for SOAP and BULK interfaces of Provisioning Gateway (PGW).
• Troubleshooting of issues and analyzing the traces using Wireshark.
• Providing support to various SDM front-ends/clients integrated in Confidential One-NDS environment for lab testing.
• Load/Performance testing of bulk provisioning interfaces
• Automation of test cases in Apache JMeter for functional/load testing.
• Shell scripting for various operations.

Confidential

Technology used: C, IN CS2.

Protocols: MGCP and SS7.

Development environment: Sun Solaris.

Responsibilities:

• Specific areas are BCM (Basic Call Module), FS (Feature Server), MGCP and SIP signaling areas of BTS.
• Good knowledge of IN CS2, Various detection points (DPs), both at Originating side and Terminating side, Trigger Detection Point (both TDP-R and TDP-N), Event Detection Point (both EDP-N and EDP-R). Different triggers being used at different DPs.
• Knowledge of features like Call Forwarding Unconditional, Call Forwarding Busy, Call Forwarding No Answer, Call Forwarding Not Reachable, Three Way Call, Call Waiting, Automatic Recall.
• Network Services like 911 Emergency, 800 Toll Free Call, LNP (Local Number Portability).
• Leading the enhancement features such as Split NPA, Announcement measurement statistics.
• Done 64-bit porting for NGN-Softswitch.
• This activity is independently done by me. Earlier processes in NGN-softswitch are 32-compliant. I had ported it for the 64-bit compliant, which can run over 64-bit Solaris 9.0.
• Debugging and solving high priority customer found defects related to call processing.
• Conducting training and ramping the team members which includes the architecture and functionality of the system.

Confidential

Technology used: Java.

Development environment: VxWorks.

Responsibilities:

• Development of User Interface for Polycom’s VSX product range.
• Fixed bugs for Polycom’s VSX product range.
• Prepared the requirement specification for USB Voice call Recording Application.
• Prepared the design document for USB Voice Call Recording Application.
• Done the complete implementation.