Worked mostly on Redhat Linux environment 5.x and 6.x by installing, configuring and troubleshooting Apache Tomcat 7.x in a clustered environment where the application is build. Experienced with installation and configuration of F5, Application Security Manager (ASM) load balancers in different datacenters and involved in its architectural diagram. Deploying and troubleshooting java codes and batches for all the releases(4 quarters) in lower environments to production environment through AnthillPro software 4.x and 5.0 release Experience working with version control tools such as Subversion(Tortoise) 1.8.x 64 bit Have written strong shell scripts for various purposes like start/shutdown, generating reports and automating it to send it to business team and putting them autosys scheduler jobs by writing jil scripts in AIX 5.x and 6.x versions. Participating and supporting performance testing from an infrastructure perspective by checking firewall rules and by taking garbage collector dumps at regular intervals for later inspection of application performance. Used AZURE APP.FABRIC Message BUS to provide valuable functionality for integrating existing systems and building composite applications, deploy SOA components in an autonomous but federated manner for achieving true agility, flexibility among enterprises (composite applications and ESB are complementary solutions) Created a Virtual Network on Windows Azure to connect all the servers. Created Cache Memory on Windows Azure to improve the performance of data transfer between SQL Azure and WCF services. Closely worked with a team who used Configuration Management tool SaltStack for deployments. Executing DB scripts using SQL developer for inserting, updating and creating tables in lower environments. Worked with third party clients like Blackhawk Networks for gift card application in Wallet application, also worked with Visa, MasterCard in generating and giving latest QR codes through application URLs for testing purposes. Used Axway Secure client 2013 to exchange files (large files) across multiple locations and between partners over the Internet. Co-ordinating with different backend services teams to check the configurations (IPs, URLs etc.) with our servers. Have also used Chef and PUPPET 2.x automation tool for configuration management in Linux systems. Perform patch management on LAMP Stack that is deployed on top of RHEL v6. Provided Manage Firewall Clients' with regular status reports of their trouble tickets. Worked on creating modules and manifests in Puppet to obtain continuous deployment in Development, QA and Production environments. Performed management of application configurations on EC2 using OpsCode Chef. Performed installation, configuration and management of JBoss 5.x application server. Involved in merging java codes to the latest release and deploying it to generate various kinds of reports Responsible for creating a gameplan from the beginning for every quarter release and implemented all of them successfully by creating a change requests, work orders and problem tickets using BMC Remedy tool and getting approvals from higher officials. Server IP changes, patch management, performance tuning, NFS, SFTP, SAN, NAS storage handling. Was leading production support team onsite and offshore both doing a 24 x 7 support. Generating innovative approaches and solutions to recurring tasks or problems and strongly documenting them for future references. Ability to determine and assign tasks to others to achieve project goals Managed all new Infrastructure requirements for Mobile Wallet, Clover, Gift Card As A Service projects Setup and coordination with monitoring tools such as HP OVO alerts and Wily Introscope for outages, CPU utilization etc. Project No : 2 Role Build Release Engineer Client/Location Bharthi Airtel, India Duration Nov 2013 to Dec 2014 Worked in a production support team on Redhat 4.x, 5.x and 6.x, SUSE Linux 10.x, AIX 4.x/5.x hardware platforms and in VMware vSphere client 5.x virtual environment. Installing, configuring and maintaining RHEL 5.x, 6.x physical and virtual server. Maintenance of DELL (2650, 2850, 2950, 380 Gen 8) servers and HP Proliant servers with Blade Hardware like C7000 and software troubleshooting. Experience managing servers connected to HDS SAN like VSP and managed HDS LDEV's using HDLM software. Worked on Grub, PXE boot, Kickstart, Packages, Yum, RPMs, LVM, Boot from SAN, filesystem configuration. Configuring LVM as extending Logical Volume and Physical Volume Size. Work concentrated on the TCP/IP stack and PPP protocol for establishing a data connection with the network. Developed Splunk infrastructure and related solutions as per automation toolsets. Installed, tested and deployed monitoring solutions with Splunk services. Installed servers on virtual box by using ISO tapes, configuring the system with the required space and memory. Building RHEL 5.x, 6.x and SUSE Linux 10 as a 4 node cluster from scratch using HPSA tool. Installing CAD cluster Oracle 11g and Weblogic applications 11.x, 12.x on RHEL 5.x and 6.x. Creating and configuring user accounts and DNS entries. Installation and configuration of HA environment using Linux cluster and Veritas Cluster. Worked on installing and managing different automation and monitoring tools like Nagios, Splunk and Puppet. Worked on writing Cookbooks for Chef to perform configuration management. Installation and configuration of Oracle Enterprise Linux, Red hat 4.x, 5 on Dell Power Edge Blade servers using Kickstart with PXE for LAMP (Linux, Apache, MySQL and Perl/PHP) installations. Installation and Administration of Oracle E Linux on x86 Enterprise Servers for test lab, production and disaster recovery setup. Experience supporting servers connected to EMC SAN like Clariion, VNX, DMX and VMAX. Performed configuration of the WebLogic/JBoss server for Data Sources, JDBC Connection pools. Performed patch management on different versions of JBoss application servers on Red Hat Enterprise Linux environments.
Used Chef for Configuration Management and Deployment. Created cookbooks in Chef for Automating the remote servers.
Experience working with EMC SAN disk on Linux and HPUX servers and performed multipathing using EMC power path. Configuration and administration of LVM and Veritas Logical Volume Manager. Writing shell scripts to accomplish day to day system administration task. Troubleshooting Hardware and Operating system related issue. Administer and configure various FS like JFS, ext2, ext3 and ext4. Setting ulimit parameters and handling the job schedulers. Experience in writing technical documentation for regulatory and compliance procedures, policies and various other activities that involved. Worked on ILO setup and configuration. Worked on HDS SAN like XP 9500's and NAS environment connected using Cisco and Brocade Switches. Configured, troubleshoot, and upgraded Checkpoint Firewalls for Manage clients, which included network and/or resource access, software, or hardware problems. Requesting, scanning partitioning and mounting the SAN and NAS storages disks during the server build. Knowledge of mounting the file-systems using AutoFS and configuring fstab file. Manage VMware Infrastructure/vSphere5 clusters on Production Test/Development environments. Involved in configuring network bonding and troubleshooting networking issues.
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