• Over 9 years of experience in system administration working on Redhat Linux Enterprise 5, 6 , 7 , 8 and now standing up RHEL 9, Solaris Sun CentOS 7 & 8 and Windows (2008 & 2012) Server systems.
• Experience in virtualization of environment with VMware. Installation and configuration ESX hosts, Managing vcenters and datastores. Making new virtual machines, with Linux and Windows, making templates, cloning VM.
• Strong technical background in Storage, Storage migration, LUN presentation and discovering of new luns to server exporting and importing the volume groups, Disk Management.
• Experience in System Administration, Server builds, Installs, In place Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning Systems.
• Installation and configuration of httpd, ftp servers, TCP/IP, DHCP, DNS, NFS,
Executed Python Code using Ansible Python API to Automate Cloud Deployment Process.
• Overwatched the developed Python Modules for Ansible Customization
• Core responsible for Linux servers for their OS backup using backup recover tape libraries and NetBackup (NBU).
• Experience in writing basic Bash shell and Perl for process automation of databases, applications, backup, and scheduling to reduce both human intervention and man hours.
• Dedicated to excellent customer service. Self-direction, leadership, and problem-solving skills. Ability to prioritize and work proactively. Strong communication, documentation, and teamwork skills.
Built physical Servers and performed Server upgrade/rebuild from Rhel 7 to 8/9
• Responsible for many Linux/CentOS (70%) Windows (10%) Solaris (2%) virtual servers across infrastructure.
• Thousands of Physical servers across 6 major DB across the country and their DR cites.
• Maintained super root status and monitored audits on Powerbroker (pbrun).
• Managed data stores in Vcenter ESX host in the vcenter (VMware).
• Backup storage and utilization performance
• Performed snapshots of virtual machines, created new VLANS (Pvlans or VLAN tagging) in the VMware.
• Monitored and maintained secondary support of server backup software and hardware processes.
• Made new virtual servers with Linux and Windows server OS using webtools DEVSPACE, Windows
• Virtualized many physical Linux and windows server 2003 and 2008 using P2V utility.
• Monitored and maintained secondary support of server backup software and hardware processes.
• Worked on Chassis installation of Cisco USC D= blade servers 6500 series then Installing OS in them through KVM.
• Created new Database 2 node, 3 node and 4 node clusters on Oracle Rack Servers and helped database team to restore the databases on new servers.
• Worked on windows server 2003 and 2008. Managing their storage, performance, creating clustered configuration, applying raid technologies.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Used Python Code using Ansible Python API to Automate Cloud Deployment Process.
• Used Ansible to document all infrastructures into version control.
• Expertise in providing end to end solutions for NetApp storage environment including troubleshooting and maintenance
• Installation and configuration of windows servers 2003 and 2008 in VMware and physical servers. Storage management, performance management.
• Knowledgeable Active Directory (AD directory and DNS Management and LDAP for users.
• Patch management for Linux, CentOS, Solaris and windows through Dell Bigfix or Sat 6 and used Languard for Windows patch management.
• Executed in place OS upgrades as well as in project tasks for upgrade existing physical servers
• Experience in System Fault Tolerance Design, Business continuity and Disaster recovery planning
• Advance Job Automation on enterprise/critical servers with significant business impact
• Configuration and administration of Linux and Veritas logical volume manager
• Application support/troubleshooting, user administration, SAN/NAS support, filesystem modifications, HPUX Service Guard, SOX compliance.
• Production support for HPUX servers in Hospital environment
• Environment: Linux Redhat 9 ,8 , 7, 6, and 5, Oracle 10gsolaris Servers, SUN sparc, Linux, Kick Start, jumpstart servers, windows server 2003 and 2008, Nagios, splunk, Lumension, languard, Shell Script, Netapp storage, HP EVA, VMware servers, WebSphere.
• Installation, Upgrading and configuration of Red Hat Linux 5, 6 on HP Gen 8
• Responsible for installation, configuration, support and performance monitoring of high-profile applications running on IBM WebSphere Application Servers, WebSphere Process Server and integrate with different Web Servers and configuration of web apps.
• Implemented the 2 nodes and 3 nodes Clusters Topology to meet High Availability and Failover requirement for performance and functionality.
• Minor maintenance of NetBackup 6.0/5. x.
• Creation of Logical volumes (LVM) for Red Hat Linux and IBM AIX operating systems.
• Installation and configured Windows 2008 and 2012 servers.
• Manage storage system SAN and NAS on Unix AIX server
• Installed and configured NFS (CIFS) on Redhat Linux 6, Managed directory permissions and user accounts on NFS shares. Mounted them on various client servers.
• Worked on VMware Upgrading VMware server 5.x to 5.5 ESX hosts.
• Added more esx hosts to existing clusters to increase performance and minimize load on CPU.
• Initiating Backups on daily basis and monitoring the scheduled backups. Provided On call Support for Red hat Linux and IBM AIX server environments.
• Managed daily backup and weekly backup.
• Installed Oracle-8i Server, Oracle Client Software on the application server and configuring the connectivity using JDBC drivers for the DB. Troubleshooting the connectivity from the Application to DB, maintenance of the DB's in server
• Installed of all the required Software, patches, documentation, licensing trouble shooting.
• Used Symantec Enterprise Security Manager for system integrity check on newly build servers
• Performed Red Hat Linux kernel, memory upgrades and undertook Red hat Linux Kick start installations.
• Worked on Installation and configuration of MySQL on Redhat Linux/ Unix servers.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Managed Red Hat Linux kernel, memory upgrades and swaps area. Red hat Linux Kick start Installation
• SENDMAIL configuration and administration, testing the mail server.
• Environment: Redhat Linux AS3.0, AS4.0, VXFS, IBM P Series AIX servers, Veritas Volume Manager, Veritas Net backup, DNS, NIS, NFS, Sendmail, Oracle 10g, MYSQL, WebLogic 9.2, WebSphere VMware 3.x/2.x and HACMP.
• Experience with Red Hat build methodologies, performance tuning, memory management, server maintenance and troubleshooting
• Logical Volume Management (LVM) of UNIX/ Linux
• Administered Linux servers Linux (RHEL /5/6/) running on physical and virtual servers.
• Designed, advocated, and implemented the reorganization of the DevOps team to scale the organization. Drove adoption of new patterns and processes to support the new model.
• Working knowledge of security policies and regulations pertaining to information security.
• Responsible for Patching Linux Servers. Installed removed and updated and packages using RPM &YUM in Red Hat Linux.
• Collaborated with the HP and NetApp team for the storage requirements. t.
• Managed deployments across various IaaS providers: AWS,
• Storage adds for Oracle RAC and Pacemaker for configuration management to existing infrastructure.
• Deployed IPv4/IPv6 for centralized authentication.
• Use of ServiceNow for incident management, change control and task management. Redesigned and redeployed the Nagios implementation.
• Responsible for packaging all code into RPMs.
• Installed and configured several hundred Red Hat Enterprise Linux in both Physical Blade utilizing Kickstart/PXE/Red Hat Satellite Server and VMware Vsphere.
• Create and configure LVM based EXT3 and OCFS2 based Cluster file systems on SAN LUNS utilizing Multipath to assist redundant path detection and increase I/O stability.
• Configuration Installation of Red hat Linux 5/6/7 and Oracle Enterprise Linux by using Kick Start, Red Hat Satellite Server and customized bash/Perl scripts.
Environment: Redhat 5, 6, EMC, Netapp, VMware, AWS, Puppet, Nagios, and Redhat satellite Server, SAN.
Operating Systems Proficiency
System Administration:
Storage and File Systems: