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Sr. Systems Administrator Resume

Columbus, OH

SUMMARY:

  • 9+ Years of experience in large scale Confidential environment working as Linux, AIX, Windows, Weblogic Systems Administrator.
  • Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX, Linux (RedHat & SuSE),Windows 2003 server
  • Installed and managed several IBM AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 7.1/6.1/5.3/5.2/5.1
  • Installation/Administration of AIX on RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality
  • Installation and configuration of LPAR’s with AIX 5.3, 6.1 and 7.1 on p5, p7 and Blade servers.
  • Installation and configuration of VIO Server with AIX 5.3 and 6.1 on 570,590,750 and Blade servers
  • Configured and Administrated HACMP 5.4/5.5/6.1
  • Strong understanding of NPIV.
  • Experience in setting High Availability and clustering for SOA suite.
  • Expertise in Migrating AIX OS from 5.3 to 6.1 on all pSeries servers.
  • Install Linux interactively and with Kick - start.
  • Expertise installing, configuring, and support Red Hat, Suse Linux and windows operating system.
  • Experience in Tivoli Storage Manager (TSM) web-based management.
  • High Knowledge and hands on experience with Solaris OS, Veritas Cluster Server (VCS) & Veritas Volume Manager (VxVM).
  • Installation, configuration and deployment of VMware products such as VMware Workstation, VMware converter, VMware View, VCB and morein virtual environment
  • Migrated from HACMP 5.5 to 6.1
  • Configuring and administration of weekly mksysb backup on AIX servers.
  • Performance monitoring and tuning using monitoring tools like NMON, TOPAS.
  • Experience in installation and configuration of SAP AIX servers.
  • Installation of patches, Security fixes, packages on AIX, Linux and Windows NT/2000 Servers
  • Installation and configuration of NIM master server and clients.
  • Expertise in MM (management Module) IP reset at times of failure master in H-type BladeCenter.
  • Knowledge and understanding of AML.
  • Experience in deployment in SOA suite with Stage, No-stage, External stage modes.
  • Implementation of AML apps like Actimize, SAS AML and Detica.
  • Working knowledge of EMC Symmetrix, v-max, vnx, Clarion.
  • Knowledge on IBM DS8000, DS8100 and XIV Storage Arrays.
  • Experience with Real Application Testing ( RAT )
  • Installed, configured and maintained Oracle Real Application Cluster (RAC)
  • Automate and schedule batch jobs using CRON.
  • Configuration and administration of NFS. Handling automount.
  • Configuring and administration of NFS server and NFS client.
  • Configuration and administration of Fiber card Adapter’s and handling AIX part of SAN (SAN arrays HITACHI, IBM SHARK).
  • Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0 on AIX and Linux.
  • Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security.
  • Installed and Configured DB2 on AIX OS Server
  • Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments
  • Migrating AIX OS from AIX 4.3 to 5.1,5.2and 5.3 on 520, 550, 610, RS/6000 Servers
  • Expertise in Unix Scripting using C/C++ and Perl.
  • Administering and troubleshooting of AIX HACMP Clusters
  • Experienced and familiar with tools like SMITTY
  • Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and UNIX
  • Experienced in implementing the workload Management (WLM) using cloning and clustering
  • Expertise in Ethernet Cabling of pSeries Servers.
  • Experienced in writing scripts such as Korn Shell (ksh) and Perl.
  • Experienced in DNS, NIS, NFS, LDAP, sendmail, ftp, remote access, security management, and system troubleshooting skills.

TECHNICAL SKILLS:

Operating Systems: IBM AIX 5L, 5.1, 5.2, 5.3, 6.1, 7.1. Linux (RedHat, SUSE), Windows 2000/2003/NT4.0, Sun Solaris. MAC8.1/9/10 and OS2.

Hardware: IBM RS/6000, pSeries 520,550,570,575,590,595,650,630,670,770,795 SUN Confidential 450

Web/Application Servers: Web Sphere Application Server 3.5/4.0, Netscape/planet Server, MQSeries,WebLogic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servest, EJB

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

RDBMS: IBM UDB2, Oracle Relational Database, 7.x/8.0/9i,10g,11g MS-SQL Server 7.0/6.5 and MS-Access 97/95

Programming Languages: C, C++, Java, Servlets, Jsp, EJB, VB, JavaScript, HTML, Perl, Korn and Shell programming.

Applications: HACMP, Samba, Tivoli (TSM), Veritas NetBackup, Veritas Volume Manager

WORK EXPERIENCE:

Confidential, Columbus, OH

Sr. Systems Administrator

Responsibilities:

  • Install and configure Oracle SOA Suite 11g components in Oracle Web Logic Server domains Environment.
  • Worked as Administration, installation, configuration and tuning for Oracle SOA suite.
  • Building, configuration of new virtual and physical servers on RHEL 5x, 6x on HP hardware.
  • PXE boot Installation and configuration for Linux environment, network and security configurations.
  • Post build configurations, checks, updating, security checks, file systems, permissions and packages.
  • Online/offline LUN/SAN migration from EMC storage arrays on Linux servers.
  • Handling all the aspects of Installation, Configuration, Troubleshooting, Clustering, Deploying applications, Performance Tuning and Maintenance of WebLogic Server versions 10.x/11.g/12.c under heterogeneous environments like Red Hat LINUX, SUN Solaris 8.0, 9.0, 10.0 and Windows XP/2003/2008.DPG,DR
  • Luns allocation and delineation on brocade switch, HBA adopters, validations and administration etc.
  • SAN/NAS/NFS allocation from storage array to required applications on physical/vertual environment.
  • Working with backup/storage team for backups and storage allocation for applications.
  • Experience with Puppet, Monitoring and shooting of servers by using HPOV/Nagios and BMC tool
  • Daily support and monitoring on Linux servers for different application groups.
  • Installed, Configured and Administered Weblogic 10.x/11g and 12c and Web Servers (Apache).
  • Network configuration for hosts file, interfaces and net masks, ip address, bonding configurations.
  • Installation and configuration of SCSI/ISCSI devices/Luns on Linux environment.
  • Performed memory and swap management to improve optimization and performance of the servers.
  • Experienced in User and Group administration and security configurations.
  • Administration on Solaris 10 servers for patches, user admin, services and network.
  • Day to day systems support on user accounts, sudo permissions and issues with servers for different application groups.
  • Application deployment (WAR, JAR, EAR) using different methods like Auto Deployer, ANT Scripts, WLST, Weblogic admin console.
  • EMC power path installations configurations and multipath configuration, server health check, validations.
  • Involved in Upgrade process from Weblogic 9.x/10.x to Weblogic 11g.
  • Network configuration and hostnames, IP address, netmasks, security configuration, DNS, SNMP.

Environment: WebLogic 11g/12C, Solaris10, Redhat Linux 5x,6x, VMware ESX5x, Sun Confidential T Netra servers, Sparc, HP prolient, blade servers, Veritas volume Manager, EMC/DELL storage array.

Confidential, Eagan, MN

System Administrator

Responsibilities:

  • Lead and execute configuration/provisioning assignments.
  • Primary skills focused on AIX / Linux
  • Provided AIX/Power 7 architecture support for customers
  • Installed Linux OS, and configured required network on virtual machine.
  • Strong understanding of VMware vsphere Centre.
  • Configure Linux guests in a VMware ESX environment.
  • Strong skills in managing Red Hat Linux servers, SAN Storage (EMC, Hitachi),
  • Virtualization. (VMware, Red Hat Confidential virtualization preferred), and system security.
  • Worked on virtual and physical Linux host for decommission.
  • Mentor other systems administrators in engineering, installation, configuration, testing and
  • Administration of Linux servers.
  • Support Veritas Cluster Server providing high availability environment for critical services
  • Configure, and automate the deployment of Linux and VMware infrastructure through our Existing Kickstart/Jumpstart infrastructure. .
  • Respond to customer / business partner inquiries and develop solutions to meet their needs
  • Create installation and troubleshooting documentation for use by data center operations personnel
  • Participate in the development, implementation, and testing of disaster recovery methods and procedures
  • Follow change control, incident response, and testing processes for modifications to Confidential server and storage devices and software applications
  • Develop, document, and maintain operational processes
  • Proactively communicate with the team and manager for issues that may impact the timely delivery of tasks/projects
  • Provide support 24x7 on an on-call basis
  • Expertise in doing NIM installations on AIX 5.2/5.3/6.1/7.1
  • Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
  • Experience working with TSM and Veritas Netbackup
  • Experience in Veritas RAC Clustering
  • Experience supporting Oracle RAC Environemnt running on Linux and Solaris servers.
  • Installation, Configuration and Administration of Oracle 11g RAC and Oracle 10g RAC .
  • Experience with Real Application Testing (RAT )
  • Administration Tasks included User administration, Performance, Send mail. weekly mksysb
  • Performed numerous OS migrations and TL upgrades.
  • Installed configuration and supporting Web application servers like Web Sphere/weblogic/jboss on Linux and AIX on production/non production environment
  • Excellent experience in installing ERP application like SAP and oracleapp on AIX.
  • Daily roles included dealing with LVM extensively. Strong hold of LVM.
  • Creating Logical Partitions of VIO Servers and VIO Clients on pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPARS).
  • Setup of VIOClients/LPARS sharing Ethernet Adapters and SCSI’s

Confidential, Akron, OH

Sr Linux Administrator

Responsibilities:

  • Excellent experience in installing ERP application like SAP and oracleapp on AIX.
  • Installation and configuration of Solaris on sparc Netra T5440 and x86 64 environment to Customer lab (LTE) support for Cisco policy manager to ATT telecommunication requirements.
  • Oracle 11g Rac installation and configuration on Solaris 10 on Sun T5440 Netra servers.
  • Pxe boot Installation and configuration Cisco UCS blade servers(B series) on Linux and Oracle Rac11g configurations, ASM disks, network configurations.
  • Installation and configuration Apache/Jboss/Tomcat servers on Linux environment for web/app servers.
  • Has in-depth knowledge of multiple OEM hardware and versions of the OEM Operating System.
  • SAN/NAS allocation from storage array, MDS switch configuration for hosts.
  • Working with backup/storage team for backups and storage allocation.
  • Network configuration and testing for different interfaces connected to PAS(policy access system).
  • Network configuration for hosts file, interfaces and netmasks and routing, switch configurations.
  • Installation and configuration of SCSI/ISCSI devices/Luns on Linux/Solaris Environment.
  • Configuration and administration of EMC Vmax by using SMC and Unisphere. creation of thin devices, meta devices and virtual devices as per project document for database space allocation.
  • Installation of Veritas Volume Manager (VxVM), Veritas Cluster Server (VCS).
  • Performed Memory and Swap management to improve optimization and performance of the servers.
  • Experienced with working in Solaris Volume Manager (SVM), creating and maintaining meta data base. Meta devices, concatenation/striping, mirroring the devices.
  • Created and Managed Zettabyte file system (ZFS) in Solaris 10 and Linux Servers. created zpools.
  • Experienced in User and Group administration and security issues.
  • Performed upgrades of Packages and Patches in Solaris and Linux.
  • Installed, configured and managed Oracle Real Application Cluster (RAC) on Solaris and Linux.
  • Network configuration for interfaces, switch ports, Ethernet cards, host names, netmaks and routes details.

Environment: Solaris10, RHEL5x, VCS 4x, Vxvm, EMC Vmax, Sun storage Tek 6400, Sun Confidential T 5400 Netra/Sparc/x86 64 Series Servers, Cisco UCS Blade servers, VMware ESX 5x, Nexus 7000, MDS Switch, Oracle 11gRAC Linux/Solaris and NAS

Confidential, MN

UNIX Engineer

Responsibilities:

  • Managing AIX /Redhat Linux/Solaris UNIX servers in Development, implementation and production environment
  • Installation, Configuration and Administration of AIX 5.3/6.1, Redhat Linux 5.5/6.0 & solaris10 servers
  • Performing AIX/Linux administration supporting on pSeries servers (570,595, 770, and 795) and HP prolient/Dell poweredge/Blade centre/IBM iseries
  • Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
  • Creating Virtual servers on VMWARE ESXI and installing Redhat Linux 5.5/6.0
  • Based upon requirement, adding additional resources (memory, CPU & storage) to redhat virtual machine using vsphere/viclient console
  • Troubleshooting all vmware related issue
  • Planned and Configured VIO servers 2.1 and LPAR from scratch on frames.
  • Administration Tasks included User administration, Performance, Send mail. weekly mksysb
  • Migrated AIX 5.3/6.1 with HACMP 5.5 to HACMP 6.1 (online).
  • Performed numerous OS migrations and TL upgrades.
  • Configured NPIV on Power6 and Power7 frames for lpars which needed direct attach SAN
  • Install and support Oracle RAC on Linux and AIX
  • Installing third party application like opnet, sideminder, ESM ( Confidential security manager), CVS and many more
  • Configured interconnects and Shared SAN for Oracle RAC nodes
  • Managing, supporting and upgrading GPFS cluster on AIX server
  • Performed and monitored daily tasks such as user account management, mksysb, and data backups users logon support like failed logins, error report checks/required troubleshooting & systems
  • Ran EMC grab on UNIX hosts and collected storage specific requests to check the performance.
  • Coordinated with the EMC support to and send them the zip file which generated through EMC grab
  • Upgraded HMC from V7R350 to V7R720 and from V7R720 to V7R730.
  • Worked with DBAs on installation of RDBMS database, backups and restoration and log generation Configured and maintained TSM Clients on TSM 5/4 servers running AIX 6.1 and IBM HTTP Server.
  • Installed configuration and supporting Web application servers like Web Sphere/weblogic/jboss on Linux and AIX on production/non production environment
  • Excellent experience in installing ERP application like SAP and oracleapp on AIX.
  • Provided HP-UX (V5.x to V11.31), Solaris, AIX and Linux installation, maintenance, upgrade, security, performance tuning, and disaster recovery services .
  • Done Tivoli Monitoring installation of all UX, PX, UD and OR agents also helped in trouble shooting
  • Responsible for Installation and administrating of Tivoli operation system(ITM5) and application(ITM6) monitoring tool
  • Tivoli tape management, troubleshooting tape libraries and drive error, checking tape consistency
  • Supported Websphere application on AIX and adept in troubleshooting application issues related to OS.
  • Efficient in working with NIS and their user ids and also with NFS and related troubleshooting
  • Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP.
  • Established WAN connectivity using Cisco 2600 series router for the corporate outlets.
  • Installed and Configured Cisco 2950, 3750 series switches
  • VLAN and VTP configuration management and troubleshoot.
  • Skilled with NIM restores configuration and troubleshooting.
  • Experience with EMC SYMMETRIX, V-MAX, VNX, HITACHI, and IBM XIV storage
  • Experience with Informix Dynamic Server RDBMS on AIX.
  • Experience in working with EMC power path and solution enabler
  • Experienced in writing scripts such as Korn Shell (ksh) and Perl
  • Created two node active-passive HACMP clusters and migrated a HA cluster from a power5 to power6 frame.
  • Maintain shell scripts to automate the system administration tasks.
  • Monitored trouble ticket queue to attend user and system calls.
  • Updated data in inventory management package for software and hardware products.
  • AIX system optimization over Oracle10/11 applications and utilities
  • Giving the Level 2 support and assisting the team members in fixing the AIX software problems.
  • Implemented the various security features in the UNIX/AIX environment using LDAP like configuring user authentication, Keonizing.

Confidential, Deerfield, IL

AIX/Unix System Administrator

Responsibilities:

  • Worked as a Systems / Network Administrator configured and maintained Solaris 2.5 servers.
  • Used the LVM extensively; Created/Modified/Deleted Volume Groups, Logical Volumes and Filesystems; Added/Removed physical disks; Mirrored Volume Groups and Logical Volumes.
  • Setup of print queues and definition printing and plotting devices.
  • Setup NIS in a multi-platform UNIX environment.
  • Setup NFS between IBM, SUN, HP and SGI workstations and servers.
  • Setup NFS between IBM RS/6000 server and NT server.
  • Setup NIM and install clients.
  • Configured TCP/IP for servers and workstations and setup of complete network.
  • Wrote several korn shell scripts û perform background FTP, distribution of data to other servers, backup operations and management of large volumes of CAD data.
  • Setup Jumpstart server for auto installations of servers.
  • Involved in user, package and patch management and administration.
  • Support for all the internal Windows nodes
  • Installation and maintenance of the Internal DNS server.
  • Firewall configuration for packet filtering firewall.
  • Network administration and Network monitoring
  • Configuring NFS, NIS.
  • Development shell scripts using Perl, awk for automation of Systems administrative tasks.
  • Implemented RAID techniques (RAID 0+1, RAID 5) by using Veritas Volume Manager and Online Disk Suite (ODS).
  • Configured the printers with the use of admintool and command level.
  • Implemented Crontabs, Shell Scripts for automatic back -up.

Confidential, St. Louis, MO

UNIX Administrator

Responsibilities:

  • Installation of Solaris, Linux, Oracle 8/8i on Solaris and Windows NT platforms on Sun Sparc systems and Intel machines.
  • IBM AIX 5.x System installation, configuration, problem determination, troubleshooting, maintenance and backup of AIX on IBM RS6000 and p5series servers.
  • Installation of Technology levels/patches, APARs on AIX, Linux and Windows Servers.
  • Performed routine checks on nodes by monitoring syslogs and error logs for system and hardware errors.
  • Custom Jumpstart installation of Solaris software.
  • Installation of third party software like Veritas Volume manager and Data Storage using various features of Veritas.
  • Implemented both Hardware and Software Raid levels.
  • Developed Automated Shell scripts for various administration jobs.
  • Created Oracle Standby Databases and Recovery Catalog database for the target database.
  • Implemented Log miner utility for incomplete database recovery until time.
  • Monitoring system performance with the use of tools such as Oracle expert, Oracle traces manager, Oracle lock manager and Explain plans.
  • Solving User/Network problems, guiding users on various security issues. NT related DNS,DHCP and WINS troubleshooting
  • Installed and Maintained Microsoft Exchange 5.5 Server Mail System.
  • Installed and Maintained Norton Antivirus Corporate Edition.
  • Complete implementation of the Citrix Server and client environment to support business application access by retail outlets.
  • Managing Cisco PIX Firewall 515E.
  • Design and implement security policies using ACL.
  • Site to Site and client Remote access VPN installations

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