SUMMARY:

• Over 6 years of experience in administration of Linux/Solaris Operating Systems in Standalone, Clustered environments.
• Experience in installation, configuration, and maintenance of Red Hat Enterprise Linux 5, 6, and 7 and Oracle Solaris 8, 9, and 10,11.
• Experience in Installing Firmware Upgrades, troubleshooting, kernel patches, systems configuration, and performance tuning on UNIX/Linux systems.
• Worked on setting up LPARs and providing production support for AIX issues.
• Responsible for setting up EC2 instances on AWS
• Strong knowledge on Linux, Automation Tools like Puppet and Ansible.
• Installed Solaris using Jumpstart and Linux using Kickstart.
• Experienced working with SLDC environments.
• Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SFTP
• Experience on Webservers such as Tomcat 3.x, 4.x, 5.x & Apache Server 1.x, 2.x and integrating them with Weblogic 10.x servers.
• Experience in development and configuration experience with software provisioning tools like Puppet and Ansible.
• Experience in administering Linux running on VMware ESX 3.5, vSphere 4.0
• Worked on Solaris Zones and LDOMs running on Solaris 10/11.
• Experience with Vertias Volume Manager, VERITAS Cluster Server 3.5, VERITAS Netbackup 6.0, VERITAS File System.
• Knowledge on Cluster environments like VCS, Oracle RAC and Redhat Cluster.
• Experienced in clustering load balancing techniques to ensure HA.
• Experience on OpenStack infrastructure to enable the continue innovation.
• Installation and configuration of Weblogic, Jboss, and Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Prepared documentation for standard operating procedures of various administration tasks.
• Experience on Zabbix of monitor the servers and applications.
• Strong understanding of infrastructure automation tooling using Ansible.
• Expertise in scripting for automation and monitoring using Bash and Perl scripts.
• Worked on Platform Sharing Facility(LSF) to schedule jobs on a distributed high performance computing systems.
• Responsible for configuring LSF cluster on multiple nodes.
• Coordinated with users to resolve pending jobs and helped in troubleshooting load issues across multiple nodes in the LSF cluster.
• Worked with Database and Middleware administrators to tune kernel parameters.

TECHNICAL SKILLS:

Operating Systems: RHEL 4/5/6/7, Solaris 9/10/11, SuSE 10/11/12, AIX 6

Hardware: HP Proliant, Blade servers, Sun Servers E4500, E6500, E6900, E10K, E15K, E25K, V280, V490, V880, V890, M3000, M4000, M5000, T5120, T5220, T5420, T4 - 1, T4-2, T5-1, Dell PowerEdge R710, R720, R810, R820, DMX3 and DMX4 Storage Arrays, EMC Symmetrix and CLARiiON, HP servers Gen 8/9/10

Software: Vertias Volume Manager, VERITAS File System, VERITAS Cluster Server 3.5, VERITAS Netbackup 6.0

Cloud Technologies: Puppet, Ansible

Web/ Application Server: Tomcat, Apache DB2, Oracle R11&R12

Network Protocols: DHCP, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump.

Cluster Environment: Sun Cluster Servers 2.2, 3.1, 3.2 and VERITAS Cluster Servers 4.1.

Programming Languages: C, SQL, HTML, PHP, XML,Json,Ruby, Perl and Shell Programming, JSP, Python

PROFESSIONAL EXPERIENCE:

Confidential, Salt Lake, UT

Unix/Linux Systems Administrator

Responsibilities:

• Responsible for providing 24x7 production support for Linux/Solaris production systems using BMC remedy tool.
• Involved in setting up LPARs and provided production support for AIX hosts.
• Automated Kickstart images installation, build, patching and configuration of 500+ Enterprise Linux servers on Dell PowerEdge and Sun hardware.
• Responsible for design, build, deployment, patching and upgrade of Linux/Solaris servers. Design, Build and configuration of RHEL, SuSE.
• Responsible for applying OS patches for AIX, Solaris and Linux.
• Performed OS upgrades, migrations on Redhat, SuSE and Solaris
• Extensively worked on Software Development Life Cycle environments.
• Experience with change control management using BMC Remedy tool in handling Work Orders on production systems in a large datacenter environment.
• Migrated Linux virtual machines from one vCenter to another using vConverter.
• Primary member of the team to successfully implement SPARC migration from Sun hardware to LDOMs running on Solaris 10 and Solaris 11.
• Responsible for patching large number of Linux/Solaris servers using Satellite.
• Responsible for setting three-node VCS on Linux nodes.
• Experienced working with Veritas Volume Manager (VxVM) and Logical Volume Manager (LVM) on Solaris and Linux operating systems.
• Extensively worked on file systems like EXT2, EXT3, UFS, VxFS, VxDMP, VCFS, OCFS, OCFS2, ASM, and other journaling filesystems.
• Provided web server/ application like Apache, Tomcat, JBoss, WebLogic, Websphere support on UNIX environment.
• Experience with automating installations, post configurations, developing tools and day-to-day activities using shell scripts like bash and perl.
• Automated Jumpstart installation, build, configuration and support of 100+ Solaris 9/10 servers on Sun Sparc hardware.
• Installed and configured Solaris 10 zones. Performed Solaris Live Upgrade.
• Installed and configured Red Hat Network Satellite for managing, provisioning and monitoring RHEL 5 servers.
• Configured LVM, NIS, NFS, Web Server, Samba server, DHCP server, NAT, Primary Secondary and cache-only DNS server. Administered mail servers.
• Responsible for setting up 3-node Oracle 10g RAC cluster on RHEL and Solaris.
• Experiencing with configuring Netbackup on Linux and Solaris boxes.
• Responsible for setting up Development, Stage and Production Oracle10g RHEL
• Experience with Kernel upgrades, OCFS, OCFS2 and ASM upgrades from Oracle OTN in regular intervals for Development, Stage and Production Oracle 10g/Linux grid environment.
• Experience with Kernel upgrades from RHN, OCFS, OCFS2 and ASM upgrades from Oracle OTN in regular intervals for Development, Stage and Production Oracle 10g/Linux grid environment.
• Responsible for deploying Oracle database environments on large number of oracle enterprise Linux systems.

Confidential, Austin, Texas

Unix/Linux Systems Administrator

Responsibilities:

• Implemented Puppet modules to automate configuration of Upgrading the linux kernel and Managing persistent SSH tunnels.
• Installation and up-gradation of the operating system RHEL/Solaris OS.
• Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters.
• Experience working in NFS/NAS, Storage Area Networks (SAN), SSA disk storage environment. Extensively performed SAN Migration.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Administration of RHEL 5, 6, and 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical/virtual servers.
• Developed Ansible playbooks to configure, deploy and maintain software components of the existing/new infrastructure.
• Upgraded firmware on HP, DELL, and IBM blade servers running Linux.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Worked on Zabbix for to integrity of servers, mechanism of flexible notifications for any virtual event and reporting.
• Worked on SALT configuration management server to update configuration on Linux servers.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Setup and Configuration of Puppet Configuration Management.
• Build and modify CloudFormation stacks.
• Administration, package installation, and configuration of OEL 5/6.
• Worked in production & application support 24/7 in NAS, EMC SAN Storage.
• Maintained Volumes and File systems for Oracle, MySQL.
• Applying security patches to RHEL servers using Red Hat Satellite.
• Managing systems routine backup, scheduling jobs using cron, enabling system logging, network logging of servers for maintenance, performance tuning.
• Performed data-center operations including rack mounting and cabling.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager and Logical Volume Manager.
• Adding servers to the domain and monitoring them using Spectrum, Nagios, Check MK, and BMC.

Confidential

UNIX Administrator

Responsibilities:

• Installation and administration of RHEL 4, 5, and 6, Solaris 8, 9 and 10, and SUSE 9 and 10.
• Configured kickstart server and applied patches to the servers using Satellite.
• Installation, configuration and administration of VMware, Solaris Zones and LDOMs.
• Installed, configured, cloned VMs on VMware 5, Vsphere 4.0, configured ESX hosts, adding datastores to ESX hosts, creating vswitches, templates, migrating VMs across ESX hosts.
• Running jobs and applying patches using HP Server Automation Tool (HPSA)
• Installed several security packages like SNORT, tcpd, tcp-wrappers & ASSET.
• Created, Implemented and maintained Disaster Recovery Site for File Server using DFS.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Set up user and group login IDs, network configuration, password, resolving permission issues
• Checking the Logs for errors in the NAS boxes, having knowledge on snap lock volumes, thin provisioning and Fabric switch zoning (Brocade).
• Installation and maintaining the OpenStax hardware and software
• Implemented and Enhanced the Existing Scripts which are developed in BASH, Perl, and SQL.
• Build automatic provisioning system with kickstart and Puppet.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Set up and support network hardware using TCP/IP, SMB, VPN, IPSEC, VoIP
• Manage a VoIP phone network, IPad and Microsoft Surface support/configuration
• Worked with project manager and auditing teams to implement PCI compliance.
• Installation and up-gradation of the operating system (RHEL,Ubuntu) and other applications.
• Implementing Puppet for a start-up in preparation for compliance requirements due to an impending acquisition by a large, publicly traded company.
• Developed Ansible playbooks to configure, deploy and maintain software components of the existing/new infrastructure.
• Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters.
• Wrote puppet manifests for deploying, configuring, and managing collectd for metric collection and monitoring.