SUMMARY:

• 9+ years of IT experience in large - scale enterprise support. Proficient in all aspects of Server computing Infrastructure Management.
• Experience in Installation, configuration, and System Administration with Linux (RHEL 6/5/4/3), Solaris (10/9/8), HP-UX (11.x/10.x), AIX (5.x/4.x) and Windows (/ 2008/2003/2000/ NT) administration.
• Experience in building Servers using Kickstart for Linux, Jumpstart and Flash Archive for Solaris, Ignite for HP-UX and exposure to NIM for AIX installation.
• Experience in RPM Package Administration for installing, upgrading, and checking dependencies. Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux
• Experience in building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux system with SystemImager that automates Linux installs.
• Experience in installation, configuration and administration of VMware based virtual servers using ESX/ESXi servers, vSphere and Virtual Center.
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Red Hat Cluster Suite and HP Service Guard.
• Experience in installing, configuring the Volume/File system management using Veritas Volume Manager (VxVM), Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas File System (VxFS).
• Extensive experience in installing, configuring and maintaining Application Servers like WebSphere and WebLogic, Web Servers like Apache, HTTP and Tomcat on UNIX and Linux.
• Extensively worked on administering NFS, NIS, NIS+, DNS, DHCP, LDAP, Mail servers and Samba servers.
• Extensively worked on Solaris 10 Container technology, responsible for creating, configuring and maintaining ZONES and installing applications on individual zones (global and local zones).
• Performing software installation, upgrades/patches/packages, troubleshooting, and maintenance on UNIX & Linux Servers.
• Experience in configuring Zettabyte File System (ZFS) pools, file systems, snapshots and clones in Solaris and Global File System ( GFS) in Linux.
• Experience in User & Security administration, multiple backup & recovery technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.
• Expertise in configuring IPMP (IP network MultiPathing) in Solaris and Bonding in Linux.
• Capacity planning and recommending hardware for SAN (Storage Area Network) implementation and replacements.
• Experience working on Oracle Real Application Cluster (RAC) database, which provides highly available database solutions and supported MS SQL Server and DB2 teams.
• Experience on Live Upgrade, migrating from UFS root file system to ZFS file root system in Solaris.
• Involved in Data Center Migration for P2P, V2V and P2V environments.
• Storage experience in managing NAS, EMC storage arrays and Veritas Net Backup administration (VNB).
• Extensive experience in doing backup to tapes periodically using job scheduling Crontab & AT.
• Expertise in monitoring System resources and Kernel parameters to enhance the system performance.
• Extensive experience in Shell (Bourne, Korn) and knowledge of HTML, Java Scripts, SQL, Perl Scripting.
• Administering operating systems, hardware, and peripheral components, and maintain databases.
• Expertise in designing and implementing LANs, WAN services and IP Addressing schemes.
• Experience working with ITIL process (Change management, release management and problem management).
• Excellent communication, leadership, mentoring, written and problem solving skills.
• Excellent interpersonal and customer relational skills.
• Proven communication, presentation skills and leadership qualities.
• Good team player with proficiency at time management, multitasking, able to meet deadlines and handle priorities.

TECHNICAL SKILLS:

Operating System: Red Hat Linux 7/6/5/4, SuSE 11/10, Solaris 10/9/8, HP-UX 11.31, 11.23, 11.11, 11.0, IBM AIX 5.x/4.3, Windows 2008/2003/2000/ NT.

Hardware: SUN Enterprise- M5000/4000, ST2540 M2, SUNFIRE X4270 M2/X4170 M2, M-Series, T-Series Servers, HP Proliant DL 380/360 G6, G5, p3440/rp7440/rp 8440 Server, SUN StorageTek Tape Auto Loaders SL48/SL24, IBM RS/6000 /S80 / M80 / H70 / H50 Series server and pSeries, HP/Dell/IBM/Sun Blade Servers..

Network/Naming Services: NFS, NIS, NIS+, DHCP, Proxy Server, DNS, LDAP.

App/Web Servers: WebLogic 11/10/9, WebSphere 8.0/7.0/6.0/5.0 , Apache 2.x/1.3x, Tomcat.

Languages: UNIX Shell Scripting, Perl Scripting, HTML, Java Script.

Third Party Software: Veritas Volume Manager(VxVM), Veritas Cluster Service, Red Hat Cluster Suite, HP Service Guard, Sun Cluster, EMC Storage, VMware ESX, RAID Technologies.

Backup Management: Veritas NetBackup 6.x/5.x/4.x, Ufsdump, Ufsrestore, tar, cpio, dd

RDBMS: Oracle 12c/11g/10g/9i/8i, MS SQL Server, My SQL

Protocols: TCP/IP,UDP, RIP, FTP, SNMP, OSPF, SMTP, TELNET,

PROFESSIONAL EXPERIENCE:

Confidential, MN

Linux System Administrator

Responsibilities:

• Installation, configuration and upgrade of Linux/Unix operating system.
• Building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux system with SystemImager that automates Linux installs.
• Registering all Linux Servers to Satellite and updating.
• Installation of Patches and Packages using Red Hat Satellite.
• Assisting in implementing a monthly RHEL patching strategy.
• Worked in server migration from P2V.
• Assisting in implementing new SSL certificates and assist in Linux IP360 score remediation .
• Working closely with staff to customize the configurations of JBoss JON (Jboss operations network).
• Communicating and transferring all knowledge to existing staff .
• Troubleshooting application problems that are discovered like log file analysis with understanding of network addressing, subnets and routing.
• Automating routine task using UNIX shell scripting .
• Working on Antivirus McAfee installation on Linux servers and making the exclusions.
• Implementing SUDO, SSH and other security tools as per department’s Linux Security Standards.
• Performing User ID creation, modification, deletion and maintain server security.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.

Confidential, MN

Linux System Administrator

Responsibilities:

• Installation, configuration and administration of Redhat/SuSE Linux and Solaris Operating System.
• Worked in server migration using P2P, V2V, and P2v conversion.
• Server hardening. Remediating PCI/Audit requirements. Server Patching. Building out VM servers.
• Opening Cases with vendors as needed. Providing Root cause analysis for problems as needed.
• Installing and configuring systems such as supports GIS infrastructure applications or Asset Management applications. Assisting in application dependency analysis.
• Moving Linux based applications to different VDC as required.
• Updating DNS entries, and server team wiki documentation as needed.
• Creating/expanding NFS shares/add/remove SAN disk/manage LVM.
• Providing on-call help as needed. Managing server inventory database.
• Installing operating systems on new hardware or virtual containers.
• Configuring external storage and system backups.
• Troubleshooting any issues that arise during the server build and performing other tasks related to delivering servers and storage in data centers.
• Using Build Center and the other Solution Suite tools.
• Responsible for VM (Windows/Linux) Build Configuration including Storage.
• Knowledge of POD (Windows/Linux) Blade Build Configuration.
• Rackmount (L-RDH)-Server Build Configuration.
• Database Solution focusing on one Lion and one SQL build.
• Knowledge of a Solution that has an ESXi Farm. Storage- NAS new/growth, SAN new/growth, and CIFS.
• Networks and Connectivity- network for BuildCenter.
• Creating a Decommission Intake. Tracking Decommission Process.
• Setup a Connection from xP SM7 to xM SM7 and Reverse

Environment: Redhat Linux 5/6/7, SuSE 10/11, Solaris 10, Windows 2008, 2012, Sun Enterprise 4500/4540/6500/450/420 R/250 server, HP PA -RISC boxes Rp8200, IBM series 670, p5 595, series, HP Blade Server C7000, BL660, BL460, Dell Blades M1000e

Confidential, PA

Sr. Unix/Linux Administrator

Responsibilities:

• Installation, configuration and upgrade of Linux, Solaris, AIX, HP-UX and Windows operating system.
• Installation of Patches and Packages.
• Configuring NFS, NIS, NIS+, DNS, and disk space management on Linux/Unix servers.
• Installing and configuring Linux, Solaris, HP-UX, and AIX using kickstart, Jumpstart, Ignite and NIM.
• Worked on DataCenter Migration Project. Migrated Linux/Unix Servers from one data center to other data center with minimal downtime.
• Bringing new servers into the centralized System.
• Extensive working experience in process scheduling, disk and file system I/O, kernel internals, TCP/IP networking.
• Implemented SUDO, SSH and other security tools and security compliance.
• Involved in installation, configuration and administration of Apache Web server, BEA Web Logic and IBM Web sphere and Samba Server in UNIX, Linux and Windows environment.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Extensive use of volume management tool using Logical Volume Manager to create disk groups.
• Installation, Configuration and Administration of High Availability using Redhat cluster and Veritas Cluster Servers for failover and redundancy purpose.
• Implemented in Red Hat Cluster Suite and Global File system, Red Hat Network Satellite Server.
• Checking the status and property info.
• Formation of hardware components during regular maintenance using hp online diagnostic utilities SFM (system fault management), STM (support tool manager).
• Created/used LDOM in Solaris 10 and installed multiple OS.
• Creating metadevices, soft partitions, mirroring the devices and metasets.
• Space allocation to the metadevices, detaching and clearing the devices if not in use.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Worked on Disaster Recovery site configuration in testing.
• Experience in Load Balance workload evenly across two or more servers, network links, CPUs, hard drives, or other resources, in order to get optimal resource utilization, maximize throughput, minimize response time, and avoid overload.
• Configured new service group and resources for new application in Veritas Cluster Servers.
• Worked on server consolidation and migration from one data center to another data centers.
• Extensively worked in data and database migration from older machine to latest configurations.
• Configured IPMP, NIC Bonding and Storage Multipathing
• Troubleshooting various problems, logging call with vendors.
• Monitor performance and resource utilization of key systems and provide ongoing trend analysis for forecasting future resource requirements.
• Installed and configured VMware ESXi server created VMs and deployed Linux and Windows OS on VMware based VMs.
• Worked on TRACE Action Request system for ticketing and tracking asset records.
• Involved in disaster recovery testing every quarter.
• Supported 24/7 High availability production servers.
• Participation in change control activities, involved in memory sizing of different applications.
• Complete periodic checks of production and development systems, CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc. 
• Verify successful completion of daily incremental and database backups, following developed procedures.

Environment: Solaris 8,9,10, RHEL 4, 5, 6 Windows 2003, 2008, Sun Enterprise 4500/4540/6500/450/420 R/250 server, Sun fire 6800/4800/480 , E10k/25K. Tseries, Mseries, HP Itanium, HP PA -RISC boxes Rp8200, IBM series 670, p5 595, series, HP Blade Server C7000, BL660, BL460, Dell Blades M1000e

Confidential, MI

Linux/UNIX Systems Administrator

Responsibilities:

• Installation, maintenance, administration and troubleshooting of Sun Solaris, AIX, HP-UX, Linux.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing and configuring, job scheduling.
• Involved in server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Volume Manager, Veritas File System and Veritas Cluster Server.
• Building, installing and configuring Veritas cluster Server, Redhat Cluster and HP MC Service Guard.
• Installed the Operating System on Solaris and Linux servers and blades severs over the network.
• Built servers according to standards specified as per individual applications.
• Built virtualized Linux servers on ESX and blade servers to host multiple applications on same chassis across different server hosts.
• Set up Linux servers for iSCSI LUN boot instead of using local hard disk.
• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation.
• Set up Linux servers for LAMP implementations and readiness.
• Created file systems from local storage as well as NFS partitions for application portability.
• Architected Sun servers into different domains based on application demands.
• Applied patches and packages on Linux servers using RPM Red Hat Package Manager and YUM tools.
• Ensured automatic startup of different services by using chkconfig.
• Configured Opsware on the servers for event tracking.
• Implemented virtual, integrated, management and proxy IPs on the machines to serve different purposes.
• Experience making Kernel changes to improve system data throughput.
• Installed and configured Apache, MySQL and PHP products on the Linux servers.
• Installation & configuration of HP-UX Servers through ignite server, patch depot management for ignite server.
• Installation and configuration of Veritas Volume Manager/File System, LVM and SVM.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Involved in server migration project and migrated to VMware based virtual machines.
• Creation and scheduling of Cron Jobs, System Monitoring and removal of unnecessary files.
• Updated & Running the various source codes for migration & updating follow-up the release management.
• Configured NIS Master and Slave servers and NIS clients.

Environment: RHEL4,5,6, Solaris 8,9,10, HP-UX 11.x, AIX 5.2, Windows 2000,2003, Sun Enterprise E 3500 450/420 R/250,M4K,M5K,M9K, T2K,T5K servers, HP Proliant-DL 360 G7, DL 380 G6, DL 380 G7,DL 580, IBM RS/6000, IBM Power 570, p5 505 Express servers

Confidential

System Administrator

Responsibilities:

• Installation, configuration and upgrade of Solaris, AIX, HP-UX, Linux (Red hat and SuSE), Windows operating system.
• Installation, configuration and troubleshooting of VXVM under sun Solaris 8, HP-UX.
• Managed HPC cluster, performed hardware, BIOS and application upgrade.
• Configured and managed Apache web server and Managed software and hardware RAID systems.
• Managed user accounts and authentication process by NIS service.
• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH, SSL.
• Setup and maintained DNS primary, secondary, cache-only servers, DHCP servers and DNS clients.
• Worked on incidents problem and change tickets related to AIX/Unix/Linux server.
• Managing (adding/removing) disks partitions.
• Worked on multiple accounts with Ticket assessment on daily basis.
• 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 on AIX, UNIX and Windows.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
• Department Security Focal (Managing all the security related issues like Apars, Cirats, Health).
• Worked on security activities (QEV, Health Checks, Priv ID revalidation & PAR) as per ITCS104.
• Worked on Server commission and Decommission.
• Monitoring the System Performance and tuning the kernel to enhance system performance.
• Worked on backup issues and resolving as required.
• Job Scheduling and Automating process using CRON & AT.
• Worked on Citrix environment user management.
• Administration of Tivoli Storage manager 5.1.4 client.
• Performing User ID creation, modification, deletion and maintain server security.
• Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors .
• Worked on tickets troubleshoot, administer and performance tune AIX 5.1, Solaris 6, 7 and 8, Red Hat Linux 3.
• 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.
• Configured and administered LPARs. Installation of patches and other software packages.
• Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.

Environment: Solaris 8,9,10, RHEL 3,4,5,AIX 5.2,5.3 HP-UX 11.x and Windows 2000/2003, Sun Enterprise Servers 6800, 4800, v480, E5500/E4500 and E3500,Veritas File System 3.0, ORACLE