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Unix Administrator Resume Profile

SYNOPSIS:

  • Over seven years of experience in the administration of Red Hat Linux, VMware and AIX on various Hardware Platforms.
  • Extensive Experience in Installation and Administration of RHEL 3.0/4.0/5.0/6.0 Server family.
  • Designed and Performed NIM installation and Kick Start over network and created, maintained installation server, boot server and profile server.
  • Strong experience in supporting IBM-AIX 5.1,5.2,5.3,6.1,7.1
  • Experience in Upgrading Firmware on IBM P series Machines
  • Experience in create upto 4 node HACMP cluster, managing HACMP servers including but not limited to HACMP upgrade, Failover and Fallback.
  • Experience in installing Linux RedHat/Fedora OS and AIX
  • Worked on pSeries p550, p570, p590, p595, p695, p770, p780 IBM Blades.
  • Extensive experience in installing, configuring, maintaining, implementation, and support on IBM AIX 4.3.x/5.1/5.2,5.3/6.1 RHEL 5, NIM, NFS, TSM, Oracle RAC, and ASM.
  • Experienced with the installation and configuration on Apache 2.x, 1.3.x, 1.2, JBoss4.0.x, ATG Web Servers and, BEA Web logic 8.x, 9.x servers.
  • Good knowledge on Kernel Installation/Configurtion and accessing APIs Fork , IOCTL etc .
  • Proficient in installation and configuration of Web Sphere Applications on Red Hat Linux.
  • Good knowledge on Network and FileSystem Performance OS Parameters.
  • Experience in Installation Configuration of Network Print Servers on Red Hat Linux.
  • Experience in setting up a PXE boot environment with Red Hat Linux.
  • Experience with deployment tools and version control tools such as ANT, CVS, ClearQuest, Perforce.
  • Experienced working in Data center and had experience on Cloud Computing Environment.
  • Experienced with installation of packages, patches, maintenance RPM updates on Red Hat Linux.
  • Extensive hands-on experience in Logical Volume Manager LVM , OS Upgrades and Servers Disk Crash Recovery using Mksysb.Json
  • Experience in installing and configure DB2, HIS, LDAP, WebSphere Portal and application Server and MQSeries.
  • Troubleshoot all aspects of the system including software, hardware, networking, and coordinating sharing of information between multiple Intelligence Units Cisco 6500/4500 Cisco NXos Nexus switches .
  • Worked on Automatic Configuration of system builds using Puppet, CFengine, stackIO, chef, xcat.
  • Extensively worked on Logical Volume Management and disk space allocation per user Quotas .
  • Configured services like DNS, NIS, NFS, LDAP, Send Mail, FTP, Remote access on Red Hat Linux.
  • Responsible for setting up disaster recovery environment for Red Hat Linux servers and implemented all the DR procedures as per the guidelines.
  • Experience working on CA Spectrum, CA eHealth and CA Business Intelligence CABI enterprise software solution.
  • Setup and configure VMWare on Xseries.
  • Worked with VMware ESX 4.x servers, and Virtual Infrastructure client to create virtual guests.
  • Ensured system security by hardening and auditing the systems as per guidelines in Red Hat Linux also experienced in system analysis, troubleshooting and performance tuning of operating systems.
  • Basic scripting done in Korn, Ruby, Bash, Python, CSH and Perl for automated tasks.
  • Extensively worked on Server Health checkup using top, nmon, topas, iostat, vmstat etc
  • Provided 24x7 On call Support on a rotation basis.

TECHNICAL SKILLS:

  • Operating Systems
  • RHEL 3.0/4.0/5.0/6.0, Windows NT, AIX 5.2,5.3,6.1,7.1
  • Virtualization
  • VMware ESX4 server, VMware Workstation, VirtualBox
  • Storage
  • VERITAS Volume manager 3.5 and 4.x, Logical Volume Manager, Tivoli TSM , VERITAS NetBackup4.5, EMC Power Path, EMC Symmetrix, Hitachi, IBM XIV, SVC
  • Cluster
  • HACMP, Veritas Cluster Server VCS .
  • Web Servers
  • Apache1.3.x, 1.2, 2.x, JBoss4.0.x, Web Logic, Web Sphere, ATG, Java Web Server, Vertual Hosting, Splunk 5.0s, Nginx, LAMP stack, Tomcat, IIS 5.0/ 4.0, SAMBA v3.0, Drupal, Send mail.
  • Database Servers
  • Oracle8i/9i, 10g, 11g, RAC, MS SQL, MySQL 5.1/5.5/6
  • Network Services
  • SMTP, SNMP, SSL,DHCP, POP, HTTP, SMB, NIS, NIS , NFS, SFTP, DNS, FTP/TFTP, LDAP, JDBC, ARP/RARP, SSH, TCP/IP, WEBSM, NAT, NTP, TELNET.
  • Servers
  • IBM X series x 3650, HP DL 320, HP DL 330, HP DL 380s, Dell Power Edge Servers, P610,P615,P630,P510,P670,P690,P550, P570, P590.
  • Programming languages
  • C, C , java, JavaScript, HTML programming.
  • Scripting
  • KSH, CSH, Bash, Korn, Perl Scripting, Python, Ruby, PHP, Shell Scripting on Red Hat Linux.

PROJECT HISTORY:

confidential

Role : Unix Administrator

Responsibilities:

  • Server Builds of Linux and LDAP to support existing and upcoming businesses.
  • Co-ordinate with the different Business groups, Application Owners, Service Providers and Vendors.
  • Production Support for 600 Linux and AIX Servers
  • Experience in doing AIX OS upgrades from 5.3 to 6.1 and 6.1 to 7.1
  • Experience in building VIO servers and Lpar Clients.
  • Built Standalone NIM servers and VIO clients on AIX 7.1
  • Built 2 Node and 4 node HACMP cluster and also performed HACMP upgrades, Failover and Fallback.
  • Setup and Plan and define ITIL compliant Change/Release Management Process and Configuration Management Process.
  • Administer and deploy RedHat servers Stand alone, via VMWARE and TPM in Datacenter as well as from business prospective.
  • VM Server ESXi 3.x installation, configuration and administration.
  • Troubleshooting and desktop support of the VMware V Sphere 4.01/4.1
  • Setup Virtual Test Environment using VMware ESXi 4.1 Cisco UCS
  • Server Build using Jumpstart, Kickstart, and TPM.
  • Successfully setup and managed oracle dataguard on Exadata utilizing multiple networks for redo transport.
  • Cluster expert for VSM with SFCFS and CFS, assisted support in this area.
  • Troubleshooting and working with TCP/IP and LAN/WAN, and network equipment such as routers, switches and firewalls.
  • Proven ability to automate server builds using kick start, management and configuration of system services using Puppet.
  • Provided technical support for Sun SPARC servers from older Enterprises to the latest Cool threads and Mid Range Sun Fire systems.
  • Configuring different systems such as: Oracle ASM RAC , VCS and CFS, and middleware applications.
  • Provide remote support for Linux servers and maintaining SLAs, Performance tuning and enhancing.
  • Customizing the applications according to the business requirements.
  • Worked in server management service with best practices maintaining Service Level Objectives SLOs
  • Loaded huge dataset to Splunk project and managed indexes, cluster and forwarders effectively.
  • Manage projects for setting up of IT infrastructure and providing 3rd Level Support for RHEL environments. Setting up EMC storage.
  • Provided 24x7 On Call support on rotation basis.
  • Third Party application support, Performance Tuning and Vendor Management.
  • Configured networking in both Solaris and Linux, including network bonding and IPMP.
  • Introduced a WebOps approach into Operations to manage the day to day needs of the applicationstack

Role : Unix Administrator

confidential

Responsibilities:

  • Installing Patches and Packages on AIX and RedHat Linux servers.
  • Built and configured Servers with Unix based on client specification for RHEL 5, 6 and AIX 5.3, 6.1, 7.1.
  • Telecom systems administration, network operating center NOC administration, LAN/WAN/VPN administration, VMware administration, VIO server, client administration and intrusion detection and prevention IDP monitoring.
  • Experience in building and managing HACMP clusters
  • Responsible for the reliability, functionality, and monitoring of cloud computing environment.
  • Performed automated installations of Operating System using kick start for Linux
  • Installed and implemented Samba/DNS / NIS / Automount / NFS/ Sendmail on the Linux servers
  • Installed apache, MySQL, PHP, Perl Modules and customer build applications on Redhat Linux servers.
  • Managing oracle databases in a EXADATA and P series environment.
  • Configuration management with puppet.
  • Upgrading kickstart and system images on Nexus 5000 and 7000 multilayer switches
  • Hand on experience with server management related to changes, incidents, problems, upgrade, and release.
  • Deployed and administered vSphere / ESXi in large scale environments
  • Installed and configured Apache and supporting them on Linux production servers.
  • Performed various programming task which included coding in PHP.
  • Used Linux monitoring tools such as Zabbix for the production support and analysis.
  • Worked with LAMP Linux, Apache, MySQL database , Perl and Python and Content Delivery Network CDN .
  • Designed and developed Python programs to configure RAID volumes during production.
  • Installed VMware Vsphere Hypervisor ESXI 5.1 with virtual machines running Ubuntu and CentOS for hosting real time communication based projects
  • MySQL, PHP, cPanel, service and network monitoring with Nagios and MRTG.
  • Administered Linux Systems for clustered with fiber attached SAN storage.
  • Involved in applying new patches and packages for Linux Servers and handled issues arising out of them.
  • Installed/setup and maintained Splunk app for various platform of Operating system.
  • Implemented Virtualization using VMware ESX Server in RedHat Linux on HP-460C Blade, Dell-Servers.
  • Worked with DB teams for setting up ASM LUNs over SAN.
  • Performed Server s consolidation and Virtualization using VMware virtual infrastructure, VMware ESX, Virtual Center, VM tools.
  • Provided support for JBoss 4.0.x and Apache, applications for operation related to installation and configuration.
  • Involved in troubleshooting the performance issues related to web application running on virtual machines.
  • Prepared Technical Design Specification Documents TDS and SOW required for data center migration.
  • Worked side by side with Global Hosting provider to ensure continues service and assistance in case to resolve issues.
  • Drafted shell scripts for automated installations, to extract logs.
  • Worked with Netbackup management.
  • Experienced with Remedy ticketing system.
  • Worked with engineering team to resolve tickets related to engineering issues like firewall change requests.

confidential

Role : Unix Administrator

Responsibilities:

  • Performed installation, patching, and upgrading software and hardware packages on AIX and linux servers
  • Creating new partitions, including raid partitions, logical volumes, ZFS file systems for running systems nondestructively.
  • Installing and configuring various network services such as DNS, DHCP, NFS, SMTP, Apache Server, NIS, Samba, SSH, Telnet, sendmail and management of TCP/IP protocols
  • Worked in the maintenance and support of various website as requested by the clients.
  • Performing daily system monitoring, change and configuration management verifying performance and availability of all hardware and server resources by using uptime, netstat, top, free, caaudit, vmstat, iostat and reviewing logs
  • Implemented Raid 0-5 in Rhel servers and Raid 0-Z in Solaris 10 servers.
  • Troubleshooting and problem resolution of system performance, networking ZFS management.
  • User Account Administration including management of user authentication service
  • Aware of NFS and NAS environment.
  • Performed partition of volume for Oracle ASM.
  • Administer and deploy RedHat servers Stand alone, via VMWARE and TPM
  • Manage, create and trouble shoot User Profiles, Software, Backups.
  • Expert in installation and configuration of remote management software such as Team viewer, Putty, VNC, and MS Remote Desktop.
  • Experience in passing parameters to a Control M job, creating job dependencies and Alerts.
  • Provide remote support for Solaris Aix servers and maintaining SLAs
  • Manage projects for setting up of IT infrastructure and providing 3rd Level Support for RHEL environments. Setting up EMC storage.
  • Understand the client's requirements and recommend appropriate design for Infrastructure implementation.

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