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System Administrator Resume Profile

Summary

  • Total 5 years of experience in Information Technology, exclusively focused on Linux/Unix System Administration environment, with highly conversant in different flavors of UNIX administration like Linux/Redhat-6.0, HP-Ux-11.23, VMWare-5.5, also has hands on experience towards SAN Storage solutions, also SAP-Netweaver 7.0/Systems Administration, provided technical and architectural solutions for different clients to meet business requirements following with company standards in the area of Unix environment, and also a self motivated to get certified in Linux/Redhat-6.0 as well as SAP-Basis/Netweaver-7.0 Administration.
  • Experienced in Install Operating System and configure kernel parameters for Linux/Unix servers, as well as maintaining and supporting Vmware 5.5 environment .
  • Experienced in patching and upgrading OS levels for Linux/Unix servers.
  • Experienced in User/Group/Permission Management towards security environment.
  • Worked with the Dba, developers and vendors, to install third party software tools like Patrol/Bladelogic/Autosys.
  • Experienced in Logical Volume Management on Linux using LVM's.
  • Experience in using VERITAS Volume manager, for creating and maintain file systems and volumes
  • Experienced in DNS, LDAP, remote access, security management, and system troubleshooting skills.
  • Experienced and Worked as backup Admin towards SAN Storage environment LUN's allocation/Backup restore .
  • Worked on automation of activities through scripting.
  • Worked on Unix/Linux failover, high availability cluster environment Veritas
  • Worked with IT-Infrastructure/Network teams, towards Datacenter quarterly maintenance 'like servers reboot'.
  • Have very good experience working with BMC-Ticket and Change Management for scheduling changes on Development, Production and QA server using ITSM Change Management.
  • Have been and willing to work in flexible hours for production and Backup support.
  • Worked on Middleware IBM-MQ Series application support.
  • Involved in complete Administration tasks on Linux/Unix and documentation for the projects executed.
  • Experience supporting 24x7 production computing environments, experience in providing on-call and weekend support.

Technical Skills:

  • Operating Systems : Red hat 6.0/Linux Systems Administration
  • Unix Systems Administration on HP-Ux-11.23/11.31
  • Unix Systems Administration on Vmware-5.5
  • Windows Server 2008.
  • Languages : C, C , Java, JDBC/ HTML and Perl/Shell scripting.
  • Databases : Oracle-10g, 11g
  • Application Tools : VERITAS Storage, Hitachi Command Suite-7
  • BMC-Patrol, BMC-BladeLogic, BMC- Remedy, AutoSys, IBM-MQ Series.

Professional Experience:

Confidential

Linux/Unix Systems Administrator

Responsibilities:

  • Maintaining and supporting over 600 physical and virtual servers HP's mid-range SuSe, RedHat/HP-UX towards Unix Operating system for IT-Infrastructure Unix support team, as well as maintaining and supporting Vmware 5.5 environment .
  • Build the Unix servers Operating System for HP-UX/RedHat-Suse through internal standard procedures.
  • Implementing the post installation procedures for Unix operating systems through internal scripting involving Shell/Perl.
  • Implementing the day to day Unix requests through BMC-Remedy/ITSM Help desk tickets.
  • Implementing the SAP-Instances, by coordinating with SAP-Basis support team.
  • Coordinating and Implementing the day to day SAP-Basis/Unix Help desk tickets.
  • RedHat servers Operating system build through satellite network website for creating a kick start profiles.
  • RedHat clustering through 3M-internal procedural tardisk website.
  • Coordinating with storage team members, to manage the Volumes and Filesystems through
  • NetApp SnapDrive, Hitachi Storage Application.
  • Managing the server data backups through HP-Data protector.
  • Install Operating System and configure kernel parameters for Linux/Unix servers HP-Itanium/ ProLiant servers .
  • Managing HP-Blade enclosures and ILO's for HP-Midrange servers.
  • User/Group/Permission Management towards security environment.
  • Implementing and Managing the Users/groups through internal scripting involving Shell/Perl/C/C ..
  • Installing client/server Software, like Oracle, BMC-Patrol/Bladelogic/ProactiveNet, Autosys,TM Art , Veritas etc
  • Servers Operating System patching through RedHat satellite network website.
  • Create and Configure Volumes/File system management through Veritas
  • Creating Change requests for Unix Implementation through BMC-Remedy/IT Service Management ITSM .
  • Troubleshooting tickets received through BMC-Remedy-Help desk Ticketing System .
  • Installing firmware upgrades, fixes and version upgrades on Weblogic/Tomcat/Apache servers.
  • Coordinating with middleware team, to manage/support the IBM-MQ series application.
  • As a team member involving for Unix/IT-Infrastructure quarterly maintenance.

As per schedule Performing the on-call rotation duties.

Confidential

Linux/Unix Systems Administrator

Responsibilities:

  • Maintaining over 300 physical and virtual servers HP's mid-range SuSe, Redhat/HP-UX .
  • Install Operating System and configure kernel parameters for Linux/Unix servers HP-Itanium/ ProLiant servers
  • User/Group/Permission Management towards security environment.
  • Installing client/server Software, like Oracle, BMC-Patrol/Bladelogic/ProactiveNet, Autosys,TM Art , Veritas etc
  • Create and Configure Volumes/File system management through Veritas
  • Creating Change requests through IT Service Management ITSM .
  • RDBMS related troubleshooting tickets received through BMC Ticketing System .
  • Troubleshooting servers and maintaining Lantronix consoles.
  • Installing firmware upgrades, fixes and version upgrades on Weblogic/Tomcat/Apache servers.
  • Backup/Restoration of files through Veritas Netbackup, includes Disaster recovery solutions.
  • SAN Storage management through Hitachi Command Center Suite-7, for Storage LUN's allocation.
  • Worked closely with admins to validate the health check of the servers through BMC-Patrol tool.
  • Worked on DNS, LDAP, remote access, security management, and system troubleshooting skills.
  • Worked on Linux/Unix failover, high availability Veritas cluster.
  • Worked on Linux/Unix servers using scripting languages Perl,Shell .
  • Extensively worked with the Network teams towards Linux/Unix servers connectivity/trouble shooting, and also for Internet and Intranet connectivity using different protocols like TCP/IP, UDP, DHCP , HTTP/s, FTP, SMTP SSH.
  • Conducting meetings with business units and conveyed the migration process, scheduled migrations and followed through the process until after migration was over to fulfill customer requirements
  • Managed Systems and related issues like Installation/Configuration and troubleshooting on Linux/Unix servers
  • Monitoring load management, IO threshold adjustment, reboots, monitoring CPU usage using top
  • Experienced in patch management through BladeLogic, system performance/monitoring through Patrol.
  • Worked on BMC Atrium CMDB with KPIs to create Technical Service Models.
  • Experienced in Build/Release and Configuration management.
  • Provided 24x7 production support and on call support too.

Confidential

Systems Administrator SuSE Redhat Linux / VMWare

Responsibilities:

  • Migrated over 200 RHEL Windows 2008 Servers to different locations included IP / ILO / VLAN /Network change from physical to Virtual Environment on VMware servers.
  • Experience in implementing servers with efficient virtualization strategies by creating clones, templates, task scheduling, prioritizing VMs, creating and managing snap shots.
  • Migrated Physical Machines to Virtual Machines.
  • Configured servers to initiate installation of Red Hat Linux on several machines at once.
  • Configured Active Directory to assign IP addressing schemes to the Linux/Unix/Win Sersvers.
  • Troubleshooting and resolve issues for RDBMS/ Linux/Unix/Win Sersvers.
  • Setup availably of servers in High Availability and Fault Tolerance environments for 24/7 availability.
  • Conducted meetings with business units and conveyed the migration process, scheduled migrations and followed through the process until after migration was over to fulfill customer requirements.
  • Setup and configuration of SAN storage connectivity for Linux/Unix/Win Sersvers.
  • Extensively worked with the LAN/WAN, firewalls and routing for Internet and Intranet connectivity.
  • Maintained/Administrated the current storage environments SAN, NAS as well as make recommendation for optimal solutions to support business initiatives.
  • On Unix Linux created packages by pushing the software to designated directories with correct permissions scripted the installation process using shell scripts.
  • Built VMWARE servers with images for Windows Linux operating systems to validation testing of packages created.
  • Extensively worked with Remedy ticketing system and provided 24/7 on call support for production.

Confidential

System Administrator Unix/Linux

Responsibilities:

  • Administered servers in heterogeneous environments, which include Linux, Solaris and Windows operating environments.
  • Responsible for image installation/configuration procedure for Red Hat Linux, and Jumpstart for Solaris on x86 architecture.
  • Managed and implemented changes, upgrades, security procedures and policies to the Linux.
  • Involved in the yearly maintenance patching for both SAN and NAS connected Linux servers.
  • Coordinated work with developers and database administrators to deploy and monitor HA environment applications utilizing VERITAS Cluster Services and Linux Cluster.
  • Performed deployment activities, environment support including installation, configuration diagnostics, planning and upgrades for Jboss Application server.
  • Planned/installed/maintained clustered environments for distributed applications using VERITAS Cluster, Sun Cluster and Linux Cluster.
  • Used RPMs to install, update, verify, query and erase packages from Linux Servers.
  • Formatting raw disks and partitioned them using the format utility, installing Solaris operating system, creating file system, devices and special files using newfs.
  • Used fsck and fsdb on file systems successfully when critical data got corrupted. Made use of alternate superblocks to replace corrupted superblock.
  • Configure and maintain Windows 2003 Server that runs DNS, DHCP and active directory services.
  • Configure Winbind on all Linux workstations which enables all the Linux users to be authenticated on Microsoft Windows 2000 Active Directory Server
  • Used commands for creating new users, groups, user passwords, changing passwords, managing user accounts and locking users, Monitored System processes system status, identifying system bottlenecks.
  • Joined multiple disks to overcome disk size limitations, mirrored data for fault tolerance. Spread data over multiple disks for performance enhancement.
  • Responsible for Day to Day Backup and Recovery using tar
  • Managed Systems and Network related issues like Installation, Configuration and Troubleshooting on UNIX and Solaris platform

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