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Linux System Administrator Resume

Chicago, Il

SUMMARY:

  • Over 6+ years of UNIX System and Network administration in Linux (RedHat 4/5/6).
  • Server Installations, configurations, upgrades and migrations on Linux and Unix.
  • Configure and manage Middleware and web tools such as Apache, Tomcat, WebSphere, JBoss.
  • Storage Provisioning, Volume and Filesystem Management using Veritas Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS filesystems.
  • Customized patching and maintenance of Linux servers on regular schedule.
  • Worked on different platform on SUSE Linux which includes 10.x,11.x
  • Regular work involving building new Linux Physical and Virtual servers using kickstart and PXE.
  • Good working knowledge of network & UNIX security procedures.
  • Administrating and troubleshooting Red Hat Cluster Suites.
  • Participate in installing and configuring of UNIX/Linux based Oracle 10g products
  • Strong knowledge of large - scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning
  • Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
  • Worked with WebSphere team in order to configure WAS instances for BMC patrol.
  • Hitachi, EMC SAN installation and tuning of NetBackup server environment.
  • Provide 24x7 on call server support for UNIX environment.

TECHNICAL SKILLS:

O/S: RHEL (4.5), Linux, Unix, Windows 2000/NT4.0

Hardware: HP, DELL, IBM, PSeries, SUN Enterprise.

Servers: Web Sphere Application Server 3.5/4.0, Netscape/iPlanet Server, MQSeries, Web Logic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, Apache 2.2, Tomcat 5.5, Active MQ

Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.

RDBMS: IBM UDB2, Oracle 7.x/8.0/9i, MS-SQL Server 7.0/6.5 and MS-Access 97/95.

Languages: UNIX Shell Programming (ksh, csh, sh), Verilog HDL, Matlab with toolboxes, SQL.

Applications: Samba, Tivoli (TSM), VERITAS Volume Manager.

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL.

Linux System Administrator

  • Linux (RedHat 3/4/5/6) UNIX System and Network administration in Server Installations, configurations, upgrades and migrations on Linux.
  • Troubleshooting all kinds of UNIX problems and assisting users.
  • Day to day review Remedy tickets and resolved them. Involve in change management and Incident reporting.
  • Involved in installing infrastructure and maintaining the performance of server, availability. Storage system software and functionality and interface components.
  • Experience in Web and Application Servers Web logic 10.3.x or 9.x and iPlanet.
  • Experience in Redhat and SUSE Linux Operation system and Vormetric Encryption.
  • Responsible for patching and upgrading all SUSE Linux Servers.
  • Kernel upgrade on RHEL and SUSE.
  • Storage Provisioning, Volume and Filesystem Management using Veritas Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS filesystems.
  • Installation of RHEL, SUSE Linux, Centos and Fedora on physical server and virtual server.
  • Configuring kickstart server on SUSE Linux.
  • Responsible for set up of BMC Patrol Agents V3.6.50.11i and 3.6.60i environment on UNIX Servers.
  • Experienced working with scripting like shell and Perl.
  • Involved in troubleshooting shell scripts.
  • Working knowledge of Windows 2003/2008 OS.
  • Wrote & automated security audit scripts in the environment.
  • Knowledge of Kickstart and PXE administration.
  • Experience with IBM Power4, Power5, Power6 and Power7 virtualization.
  • Administering and troubleshooting of Redhat Clustering.
  • Hands on experience using the VI editor.
  • Knowledge of HP blades and service manager.
  • Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC, EVA, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
  • Created RAID volumes using RAID Controllers and LSI Hardware.

Environment: UNIX/RedHat Linux, Vi Editor, Puppet, Chef, Oracle11G, Shell Scripts, SAN/NAS .

Confidential, Chicago IL

UNIX Administrator

  • Perform system installs and performance tuning, configure and administer LPAR’s.
  • Perform day to day LVM operations and System Admin tasks.
  • Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier.
  • Set up and troubleshoot issues with Secure Shell in the environment to accommodate script automation and password changes.
  • Installed WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
  • Experience in NetApp storage devices, setup, configuration, operations and connecting to pSeries hardware.
  • Solid understanding of Keon theory, being able to make directory architectural recommendations such as additions to DIT, schema extensions and indexing, Analyze and implements ACLs.
  • Experience with Integrated Virtualization Manager (IVM).
  • Responsible for installation and maintenance of VFSX in a clustered environment.

Environment: Unix/RedHat Linux, Vi Editor, Unix/Linux, Shell Scripts, VMWARE & Oracle11G

Confidential . Tempe, AZ

UNIX Systems Administrator

  • Server Installations, configurations, upgrades and migrations on Linux and Unix.
  • Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
  • Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
  • Storage Provisioning, Volume and Filesystem Management using Veritas Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS filesystems.
  • Configuring UNIX environments for Oracle Databases such as kernel configurations, filesystem layouts, ora file configurations.
  • Oracle database support on UNIX/Linux. Tuning kernel and memory parameters for optimum database performance.
  • Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
  • Plan, design, install, configure, troubleshoot, administer and performance tune Red Hat Linux Version and SLES Linux.
  • Setup and configured network TCP/IP including RPC connectivity for NFS.
  • Configured and administrated LPARs.
  • Responsible for installation and maintenance of VFSX in a clustered environment.
  • Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
  • Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal 5.1/6.0 on UNIX and Windows.
  • 24x7 on call server support for UNIX environment.

Environment: Linux, Oracle, DB2, HTTP Server, Apache Web Server, WebSphere Application Server 4.0 and Unix Shell Scripting .

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