Linux Administrator / Application support Resume

SUMMARY

Experience in Enterprise Applications Support and Technical Project Management. Experience with WebSphere (WAS), Deploying/Monitoring, and Application on servers, Create/Manage User Account, Create/Manage File Systems, Hardware/Software Break - Fix, Net Back-Up, Cluster Servers, Patch Management, Performance Management, AIX installation and configuration, application configuration on AIX OS, Excellent Technical and Interpersonal Skills. Configure and built Red hat Linux machines, create user accounts, set Kernel Parameters as a Linux/Network System Administrator supporting Linux in a VMware infrastructure.

TECHNICAL SKILLS:

Redhat Linux
Puppet
Chef
Jenkins
Ansible
Splunk
Nagios
Remedy
Red Hat Linux and Solaris Unix. NAGIOS monitoring tools
Apache
PHP
SSH
TCP and MYSQL under Windows/Unix
Lotus notes
VMware
KVM (Kernel based virtual machine)
Kickstarter
SAN storage.

PROFESSIONAL EXPERINCE:

Confidential

Linux Administrator / Application support

Responsibilities:

Installation, Configuration and Administration of High Availability Veritas Cluster Servers for failover and redundancy purpose.
Created shell scripts to take backup Oracle database.
Configured JBoss Application servers over Apache web server in Linux based systems.
Automated the installs using Kickstart and building post install scripts using Shell scripting.
Involved in Implementing Searches with Job Scheduling.
Created Dashboards for various types of business users in organization.
Created Admin, Power Users and User roles for the application and created the app sharing permissions for the different roles.
Assisted internal users of Splunk in designing and maintaining production-quality dashboard.
Involved in writing complex IFX, Rex and Multikv command to extracts the fields from the log files.
Created alerts based on the critical parameters, which will trigger emails to the operational team.
Interact with the data warehousing team regarding extracting the data and suggest the standard data format such that Splunk will identify most of the fields.
Configured Network services such as NFS, NIS.
Monitored server and application performance & tuning via various stat commands.
Backup configuration using Veritas Netbackup.
Applying new patches and packages on Linux.
Installed, configure, troubleshoot, maintain, upgrade Linux architecture.
Performed optimization and performance testing
provided technical support for incident response and reporting and provide on-call support as needed.
Troubleshoot problems; work as both a team and/or as a self-directed individual, client-facing experience, self-disciplined and ability to multi-task.
Develop instructions in a logical, detailed flow.
Experienced in applications software development circle.
Applied Agile Development methodology and techniques
Knowledge of ISO/ITIL processes and documentation standards
Experienced with Configuration Management tools (CFEngine/Puppet/Chef)
Configured server nodes on JBoss/Tomcat
Installed and configured Apache Webserver
Experienced Nagios monitoring tools
Creating the file systems using Red Hat volume manager
Performed health check on regular basis for all Linux servers.
Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the file system using Red Hat volume manager
Installed, managed and deployed Linux RedHat Enterprise and installation of packages and patches for Red Hat Linux Servers.

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