Sagar Chandra

• Performed preventative maintenance to keep tools and environment functional.
• Provided input to team lead regarding areas for process and procedural improvement.
• Interacted with team and give training on Cloud and tools for personnel.
• Prepared action plans for problematic processes and assets.

• Deploy Openstack solution to our clients typically ranging from 200 to 350 compute nodes.

• Worked in Analysis, Requirements gathering, POC, Deployment, Testing, Verification and validation till handing over the live environment to the client.

• Managed client’s entire cloud infrastructure and providing SLA, Capacity Management analyzing whether to add nodes or need to create a new region considering the growth and requirements of the

business.

• I am also responsible for fixing the ongoing issues and providing Root Cause Analysis.

• Software development team is moving towards containerized application for which our team is responsible for building Paas and maintaining it.

• Installed and configured RedHat and Ubuntu Operating Systems on servers.

• Experience in Openstack Ocata environments in volume management using Cinder, network and port management using Neutron and image management using Glance.

• Customizing, providing user access requests, removal of users for a particular project and adding users for projects using Keytone service.

• Deciding on whether to wait or go for an upgrade depending on the known bugs in the release notes of the upgrade that we are planning on.

• Developing, editing to automate task on Linux servers .

• Manage end user accounts, permissions, access rights, and storage allocations in accordance with best - practices regarding privacy and security.

• Configure IP tables / Firewall to secure the production servers accordingly.

• Worked on Ansible to manage existing servers and automate the build and configuration of new servers.

• Perform audit related tasks like keymanagement, image refresh activity.

• Error Handling in Application - Coordination with the vendors and the customer for various release, upgrades, and other licensing related issues.

• Troubleshooting of any related issue logged

• Release production environment support (WAR,JAR,EAR installation, jdbc connection ).

• Handling EOD/BOD and EOM processes for all the financial applications.

• Installation of patches and packages using RPM and yum in Red hat Linux.

• Created and modified application related objects, created Profiles, users, roles and maintained system.

• Responsible for setting up cron jobs scripts on production servers.

• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.

• Install/Configure VMware ESX 3.5 environment with a NetApp Backend.

• Worked on reliability, manage liability and performance improvements for Linux enterprises.

• Responsible for writing/modifying scripts using bash, ksh, and python for day-to-day administration.

• Modified Kernel parameters to improve the server performance in Linux.

• Coordinating with 24 x 7 on-call support personnel in debugging.

• Maintained proper documentation of all the activities carried out during the project.

• Worked with DBA team for database performance issues, network related issues on Linux Servers.

• Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x, CENTOS 5.x.