SUMMARY:

• 7 Years of experience in System Administration working on Linux (Red hat RHEL 4/5/6/7), Sun Solaris, AIX environments.
• Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and system software & hardware.
• Experience in installation, configuration and administration of Solaris 9 and 10, Red hat RHEL 4/5/6/7, Confidential AIX 5.3, 6.1, 7.1.
• Installing, upgrading and configuring SUN Solaris Using Jumpstart Servers, Red hat Using Kickstart Server, AIX using NIM.
• Configured System imager for Linux Servers and used it for Cloning, software distribution and OS updates.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Expertise in VERITAS Volume manager, Creating new file systems, mounting file systems and unmounting file systems.
• Expert in Installation, configuration of Patches and Packages.
• Strong experience on Web servers such as Webserver 6. 7. /Sun one web server 6.3/6.5/7.X,8.x, Netscape Enterprise Server 4.0, Tomcat 5.x/4.x/3.x & Apache Server 1.x/2.x.
• Installation and configuration of Jboss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Expert in Installing, configuring and maintaining apache, samba & send mail, Web Sphere Application Servers.
• Expertise in implementation and maintenance of Apache SMTP, DHCP, NFS, NIS, NIS+, LDAP, DNS, SAMBA, Sendmail, s, Remote Access, Security Management and Security trouble shooting skills.
• Efficiency in installing, configuring and implementing the RAID Technologies using various tools like VERITAS volume manager, Solaris volume manager.
• Configured Networking Concepts DNS, NIS, NFS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Experience in VMware Installed and monitored Virtual environments with ESX 3.x servers.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Expertise in writing scripts for automation, and monitoring using Shell and Perl scripts.
• Experience in writing shell scripts to automate the administrative tasks and management using cron.

PROFESSIONAL EXPERIENCE:

Confidential,Dublin,OH

UNIX/Linux Administrator

Responsibilities:

• Understood the business and gathered the data as per the requirements.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.0/6.X and migrating servers between ESX hosts.
• Implemented P2V on RHEL 5.11,6.X Servers and Migrated Physical Servers to Virtual Environment
• Cloned installations across multiple systems using Network Installation Management. experience with Active Directory, Domain Name System, Windows Internet Naming Service, and Microsoft Exchange
• Day - to-Day trouble shooting for the end users on AIX 6.1/5.3/ based applications.
• Also implemented P2P migration using Platespin on RHEL 5.9, 5.11, 6.x, 7.x servers.
• Custom building with packages, patches, volume management.
• Creating Zones, Containers and LDOMs installing Solaris, creating volumes, installing packages.
• Architected and optimization VMware Cloud technologies (VCD) including vCenter Server, ESXi, ESX, Distributed Resource Scheduler (DRS), vMotion, High Availability (HA), Distributed Power Management (DPM), Fault Tolerance (FT), vShield, virtual networking, physical to virtual migrations, Storage DRS, Storage vMotion, and VMware Workstation.
• Installation and configuration of management tool Red Hat Satellite across RHEL environment.
• Developed the scripts to push patches, files and maintain configuration drift through the Puppet tool.
• Supported the Kernel Patching, Kernel Upgrades, yum updates, repository library updates.
• Installed, configured, trouble shoot and also involved in production support of Apache and Tomcat.
• Configured NIC Bonding on the servers, created File systems, extended the Logical Volume space as per the business requirements.
• Worked on fixing the VLAN Switch issues for primary as well as backup NIC’s. Also fixed the network issues and resolved the firewall port issues on the server.

Environment: RHEL 4.x, 5.x, 6.x, 7.x AIX 7.1, 6.1, 5.3, HACMP 6.1, VMWare 3.5, 4.1, 5.1, Jboss 4.2, JDK 1.5,1.6Confidential,Phoenix,AZ

UNIX/Linux System Administrator

Responsibilities:

• Unix System administrator on various UNIX and Linux platforms including AIX, RHEL and SUSE.
• Installation, migration, Configuration and Administration of AIX 5.3, 6.1 & 7.1.
• Install / Configure VIO servers as well as configuring virtual Ethernet, shared Ethernet (SEA), virtual SCSI and NPIV on Confidential Power 6 and 7 systems
• Microsoft SCCM package creation and task sequence advertisements. SCCM manifest creations and imports of variables. Windows Server 2003, 2008 R2 installation, deployments, troubleshooting and automation. Windows Server 2008 Hyper-V virtualization configuration for servers
• Perform O/S, firmware and required infrastructure software upgrades
• Perform DR Failovers and disk replication failovers using custom HA solutions.
• Responsible for maintaining and administering Confidential p570, p740 & p770 AIX servers.
• Responsible for both AIX and VIO server upgrades.
• Responsible for UNIX part of storage migration from one storage array to another storage array and SVC migration.
• Installed and configured Tivoli Work Load Scheduler.
• Responsible for TSM backups of the systems.
• Work with various support tools including Nagios, BMC Remedy, BMC Patrol, Blade Logic and ITIM.
• Worked on DB2 pureScale and GPFS clusters.
• Hands On experience in Creating GPFS File System and Trouble Shooting on GPFS File System.
• Hands On experience in Performing the Disk Migrations on RHEL 5.X and RHEL 6.X KVM Hypervisors.
• Installing required patches and packages using standard RHEL utility’s (YUM & RPM) on RHEL 4, 5, 6.
• Effective use of LVM disk Management tool to Create, extend Shrink the Logical volumes, File Systems on RHEL and AIX.
• On -call Duties to Troubleshoot; Resolve the Hung up Servers, resource groups, File System Issues, Third party Tools Errors.

Environment: UCS B200, UCS C240, Confidential p570, p740, p770, AIX 5.3/6.1/7.1, Confidential DB2 pureScale, GPFS, InfiniBand, Red hat Linux (RHEL 5.X and RHEL 6.X), Confidential DS8000, Confidential SVC, KVM, RHEL Enterprise, File Net, ITIM, BMC BLADE LOGIC, NAGIOS.

Confidential

UNIX/Linux System Administrator

Responsibilities:

• Plan, design, Implementing, Installation and configuration Operating System Installation and upgrade on Red Hat Linux 5, 6 on & HP-Dl585, DELL DRAC and VMware.
• Configured KickStart Server in Linux 5.x, 6.x and JumpStart Server in Solaris 9, 10 and build severs using KickStart and JumpStart server.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5 and migrating servers between ESX hosts.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Build Yum and RPM repository Server for Development team to upload packages, Written UNIX Shell scripts for monitoring & clean up old files.
• Implemented P2V virtualization from Dell hardware to VMware machines with RHEL5.x, 6.x as guest OS.
• Creating and deleting and managing user accounts and managing user quotas on the Network, Installed Apache Hadoop on Redhat Cluster servers.
• Configuring DNS, DHCP, NIS, NFS in Red Hat Linux 5.0 & other Network Services, Linux kernel, memory upgrades and swaps area.
• Administration/Configuration of Print Servers/Clients in the Network, planning, configuration and maintenance of connectivity for servers as well TCP/IP configuration.
• Network trouble shooting using 'traceroute', 'netstat', 'ifconfig' and Monitored server and application performance & tuning via various stat commands like vmstat, nfsstat, iostat etc. and tuned I/O, memory, etc.
• Performance Management & Tuning of AIX 5.3, 6.1 UNIX Kernel.
• Responsible for the upgrades to AIX and software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Configuration management including the building of LPARS on p570 servers and configuring the hardware devices that support them.
• Installing AIX 6.1/5.3 on pSeries p740, p750 and p630 and configuration and periodic update like applying maintenance level, fixes and microcode update and some more installation tasks like committing software, removing software, etc.
• Responsible for configuration of AIX servers, for maximum performance in a production environment, including kernel tuning and compiling, configuring systems with various raid, strip and mirroring configurations.
• Performing System Storage management/LVM tasks like creating volume groups, PV’s, LV’s and jfs/jfs2 Filesystems, mirroring, VG’s, LV’s and mounting filesystems.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Experience in Developing BASH, PERL shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NIS and Samba Web servers.
• Installation of web logic, upgraded to service pack updates, installed. BEA patches, configuring and creation new domain, start and stop web logic server.
• Production support of Apache, Apache HTTPD, JBoss, Tomcat including installation, configuration, management and troubleshooting.
• Configure and maintain Windows 2000 Server that runs DNS, DHCP and active directory services.
• Formatted raw disks & partitioned them using the fdisk utility. Created file system using newfs and mounted it.
• Utilized Linux Terminal Server for removing fat client management, save on administration Provide users with a more reliable & secure environment.
• Implementation of numerous VMware ESX virtual machines (2.5.x and 3.0).
• Experience in creating Groups, Resources, Setting the resource properties and making Resource Online on MS Cluster Service.
• Worked in configuring and setup connectivity between web servers, database servers and directory servers as a process server administrator.

Environment: Red hat Linux 5, 6 (HP Proliant DL 585, BL 465/485,ML Series), Redhat Cluster, AIX 6.1, 5.3, VERITAS Cluster Server, Enterprise Security Manager, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Infrastructure 3.5, Windows NT/2003.

Confidential

SYSTEM ADMINISTRATOR

Responsibilities:

• Planning & Documentation of the Implementation plan
• Installation and configuration of the HP 9000 k, D G class Servers
• Installation and configuration RHEL and AIX
• Installation of networking components (HUBS, Switches, Fiber Attached Storage).
• Configuration of networking using TCP/IP protocol
• Installation of MC/Service Guard between two HP9000 K480 Servers
• Performance monitoring and tuning of all Confidential servers.
• Installation and configuration of NIS, DNS, NFS, LVM configuration, RAID 0, 0+1, RAID 5.
• Backup scheduling and recovery procedures using Ignite-UX.

Environment:: HP9000 K480 Enterprise Servers, Confidential Server, and HP High Availability Storage System Desk side Enclosure, Bridges, Hubs, MC Service Guard.