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Unix System Administrator Resume

2.00 Rating

Jacksonville, FL

SUMMARY:

  • Around 9 years of professional IT experience as a Unix/Solaris/Linux System Administrator.
  • Expertise in Unix, Red Hat Linux Enterprise 4, 5, Solaris 8, 9, 10, Networking, Programming(Shell and Perl scripting), Databases, Software, and Hardware.
  • Proven expertise in VERITAS Volume Manager, VERITAS Cluster Server and VERITAS Foundation Suite.
  • Used Bladelogic to upgrade Solaris and Linux operating systems. Written Bladelogic scripts to create flar images for solaris servers. Also used bladelogic to build new solaris and Linux servers
  • Experience includes installation, configuration and maintenance of Applications on Solaris, Red Hat Enterprise Linux, different flavors of Unix and all versions of Windows.
  • Maintain Mission Critical Enterprise Applications in 24X7 production environment
  • Installing, Configuring and Maintaining DNS, NIS, NFS and Auto FS.
  • Hands on experience in administration and maintenance of application services like DNS, Mail, HTTP, Apache Tomcat, Squid, DHCP, SMTP, FTP, NIS, NIS+ and NFS.
  • Shell Scripting to automate the system administration tasks and performance tuning.
  • Good understanding with web services such as HTML, XML, JBoss.
  • Implemented and enhanced scripts using Korn, C shell, Bash and Perl Scripting.
  • Administering and providing support for end - users, developers, software installation and trouble-shooting.
  • Performed kernel tuning,performance tuning for different web and java related applications on RHEL and Solaris Servers.
  • Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on various SAN Products like EMC Symmetrix, VMAX.
  • Exposure to Veritas NetBackup and disaster recovery planning.
  • Experience in deploying virtual servers and applications using VMware vCloud and VMware ESX server.
  • Experience in installation, configuration and administration of Jumpstart servers.
  • Experience with Software and Hardware based RAID 0+1, RAID 1+0 and RAID 5.
  • Provided 24 hour production support that involved maintenance of disk failures, system failures, application software failures, etc, in the environment.
  • Effective communication skills developed through continous interaction with global clients and management.
  • Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a fast pace environment.
  • Experience in Solaris Server - Client in open systems environment.
  • Exec, IBM MQ-Web Sphere 5.3, SunStorEdge Management software
  • Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance, creating new Slices with format and creating huge Slices with Daisy Chains.
  • Worked in environment containing Solaris zones/containers.
  • Used Jump start to automate Solaris OS Installation

TECHNICAL SKILLS:

Operating Systems: Sun Solaris 7, 8, 9 & 10, Red Hat Linux ES & AS, IBM-AIX, Windows 95, 98, ME, XP, Windows NT4/2000 & 2003 - Server OS, VISTA

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250,M4000,M5000,T2000,T5120,T5220,T5220,T5240) Sun fire (15000/6800/4800/3800/ v880/V480/V240/V210/V440/280R) Sun workstations (Ultra 5, 10, 20,80 Blade 100,150, 2000)

Tools: Sun Cluster 3.2, Bladelogic,VMAX, VERITAS Cluster Server, VERITAS Netbackup 6.0, Tivoli SM, VERITAS Storage Foundation Suite, Solaris Volume Manager, sendmail

Tape Hardware: StorageTek tape libraries L40, L80, L180, L700, SL500, SL8500, DAT & DLT, STK 9940B, 9840B, LTOs

Languages: Java, Perl, Shell Scripting and knowledge in C/C++

PROFESSIONAL EXPERIENCE:

Confidential, Jacksonville, FL

Unix System Administrator

Responsibilities:

  • Installed and configured SUN Solaris 10 on Sun Servers using jumpstart and Red Hat Linux ES 5.x using Kick start installation.
  • Provided day to day build support in an environment consisting of thousands of Solaris, Linux and AIX servers for a 24x7 demanding trading division with emphasis on responsiveness and project ownership.
  • Performed patching and OS upgrades (rebuilds) and associate hardware break/fix, triage and software installations related to the patching and OS upgrade activities.
  • Provided rotational on call responsibilities to support issues that arose as the result of patching upgrades or server rebuilds performed by the team.
  • Worked with EMC arrays (Symmetrix, Clariion, DMX and VMAX) Volume managers (Veritas, LVM)
  • Collaborated with Engineering groups, Web Commerce Group, to plan, design, scope and implement development projects on pre-production as well as production systems.
  • Responsible for automation of key Unix Systems administration tasks such as User admin, scripting, setting up connectivity, backup and automation scripting and keeping system documentation up to date.
  • Worked with Solaris Zones/Containers and new features of Solaris 10, zone reconfiguration and file system layout modification of the containers supporting the Sybase and Oracle database.
  • Installed and upgraded HBA Drivers, Firmware, PowerPath and SAN Agents like NAVIAGENT, NAVICLI and NAVISCLI for EMC SAN storage.
  • Installed and updated VERITAS Storage foundation 4.x to 5.x.
  • Disk mirroring and RAID implementation using VERITAS Volume Manager and Solaris Volume Manager.
  • Used BladeLogic to upgrade Solaris and Linux operating systems, wrote BladeLogic scripts to create FLAR images for Solaris servers, also utilized BladeLogic to build new Solaris and Linux servers.
  • Provided server remediation to ensure all vulnerabilities have been addressed.
  • Documented installation procedures, changes required in present environment.
  • Took part in brainstorming sessions to improve and standardize the processes followed by the implementation team globally across the organization.
  • Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
  • Understanding of SOX- compliance and excellent Written and Verbal Communication skills.
  • Automated tasks usingbash and Perl scripts.

Environment: Solaris 10, Red Hat Enterprise Linux 5, Blade Logic, VERITAS Net Backup, Perl, Sun Enterprise Servers T5240/T2000/T5120, M9000, M5000, V490/880/890, E2900, IBM x3650 M3, Fujitsu PrimePower 250/450/650/850 , TCP/IP, HTTP, EMC PowerPath, EMC Symmetrix/DMX/VMAX, Oracle and VMware ESX.

Confidential, Oakland, CA

Unix System Administrator

Responsibilities:

  • Installed and configured of hardware and OS (Solaris 10 and RHEL 4.6) on servers.
  • Build servers, configured, installed tools, installed patches and transitioned servers to production support.
  • Experienced using VMware ESX server instances for virtual server setup & deployment
  • Responsible for server migrations from closing data center including forklift and hardware technical refresh.
  • Build, configuration and deployment of 14 Jump start servers across various data centers in North America.
  • Build a two-node clustered master server using VCS and connected to existing Netbackup environment.
  • Build servers for infrastructure support at two strategic data centers.
  • Configured Kick start server to install Red Hat Linux on multiple machines
  • Installed KEON on new installs and 300+ production servers during the change management window. Administration of windows terminal services for the users to access data over network
  • Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
  • Created disk groups, volumes, volume groups and RAIDs using VERITAS Volume Manager.
  • Experience working with Solaris Zones/Containers and new features of Solaris 10, zone reconfiguration and file system layout modification of the containers supporting the Sybase database.
  • Build out the KEON infrastructure by adding the Tivoli, ESM, Opsware tools etc.,
  • Disk mirroring and RAID implementation using VERITAS Volume Manager and Solaris Volume Manager.
  • Installed VERITAS Volume Manager and Powerpath on Red hat Linux servers.
  • Troubleshooting and analysis of hardware and software failures for various UNIX servers.
  • Worked with application team to load their app to servers, created test environment for Oracle DBA team.
  • Provided server remediation to ensure all vulnerabilities have been addressed.
  • Engaged in the Build, Test, Implementation, Application and pre-production checklist.
  • Verified the disk layout and packages against the supplied build sheet and took necessary actions.
  • Provided support for Opsware Server Automation System (SAS), ESM agent installation and setup and scanned agents for compliance with OS Security Standards and necessary actions to scan green.
  • Installed Sun MC 3.6 agent to facilitate quick and easy deployment of Net-SNMP.
  • Created a functional account on servers to be used by Tideway system to automatically gather inventory information. Cron configuration and sendmail setup.
  • Experience in EMC Symmetrix VMAX is EMC's premier line of enterprise storage arrays designed for the virtual Data-Center
  • Experience in configuration of Tivoli agent and verified and troubleshooting of consoles.
  • Collected inventory details and updated all inventory records.
  • Created new slices, mounted new file systems and unmounted file systems.
  • Documented installation procedures, changes required in present environment.
  • Took part in brainstorming sessions to improve and standardize the processes followed by the implementation team globally across the organization.
  • Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Sun Solaris 10/9, Red hat Linux 4.6, VERITAS Volume Manager 5.0, VERITAS Net backup 6.5, VERITAS Cluster Server 5.0, Solaris Volume Manager, Enterprise Security Manager, Opsware, Info Vista, Tideway, Tivoli, Powerpath, Sun Management Center 3.6.1, Sun SPARC Enterprise T5240/T2000, HP-DL585-G5, Sun Fire v210/v440/v480,VMAX, Apache Tomcat, Jboss, Pentium PCs, Sybase, Oracle, Perl.

Confidential, San Francisco, CA

Unix System Administrator

Responsibilities:

  • Installed and configured of hardware and OS (Solaris 10 and RHEL 4.6) on servers.
  • Build servers, configured, installed tools, installed patches and transitioned servers to production support.
  • Experienced using VMware ESX server instances for virtual server setup & deployment and used VMware vCloud for application deployment on virtual servers.
  • Responsible for server migrations from closing data center including forklift and hardware technical refresh.
  • Build, configuration and deployment of 14 Jump start servers across various data centers in North America.
  • Build a two-node clustered master server using VCS and connected to existing Netbackup environment.
  • Build servers for infrastructure support at two strategic data centers.
  • Configured Kick start server to install Red Hat Linux on multiple machines
  • Used Bladelogic to upgrade Solaris and Linux operating systems. Written Bladelogic scripts to create flar images for solaris servers. Also used bladelogic to build new solaris and Linux servers
  • Installed KEON on new installs and 300+ production servers during the change management window. Administration of windows terminal services for the users to access data over network
  • Installation of OAS (Oracle Application Server) on Solaris 9 and its configuration with oracle database
  • Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
  • Installed, configured and Operating System upgrade on Sun Solaris 8, 9 and 10 and AIX from 5.3 to 6.1.
  • Performed patch research, patch installation, Patch upgrades and packages installation on Sun Solaris Servers.
  • Firmware upgrade on T2000, T5220, T5240, T5120 and T5140 and VTM patch on Solaris Servers.
  • Responsible for troubleshooting and maintenance of VERITAS cluster under Solaris 10.
  • Installation and Maintenance of Tibco Hawk RVD/RVRD agents on UNIX servers.
  • Customizing hawk rule and core Rules on Unix servers.
  • Installation and maintenance of Syswatch Monitoring tool in Solaris Server, wring core rules to various Solaris servers.
  • Involved in troubleshooting, repair, escalation & problem resolution of the Tibco hawk, Syswatch and swatch.
  • Resolving regular tickets on Hawk, Syswatch and ping probe Monitoring tools.
  • Performed SAN software upgrade on Solaris 8, 9 and 10 servers.
  • Responsible for updating filesets and LPARs in AIX periodically.
  • Configuration of LOFS file system on Solaris 10 servers
  • Detecting System Failure, Resource Failure and hardware failure on Solaris and AIX platforms
  • Networking communication skills and protocols such as TCP/IP, Telnet, ftp, SSH, rlogin
  • Supporting 24/7 for all web-hosting applications ETL application and on Solaris and AIX server.

Environment: Solaris 5.8,9 and 10, Sun Fire V480,V490,V880,V890 Sun Enterprise E3500, E4500, E6500, M4000, M5000, T5220, T5120,T5140,T5240 Sun Ultra Sparc 80, Bladelogic, VERITAS Volume Manager 3.x/4.1 Solaris Volume Manager, Oracle 11i.

Confidential, Fenton, MO

Sun System Engineer

Responsibilities:

  • Installed, configured and Operating System upgrade on Sun Solaris 8, 9 and 10.
  • Performed patch research, patch installation, Patch upgrades and packages installation on Sun Solaris Servers
  • Installed and configured Solaris 10 Zones and containers on Solaris Enterprise server like M4000, M5000, T5220, T5240.
  • Created Zpool on Global zones and configured ZFS File system on Solaris servers.
  • Involved in troubleshooting, repair, escalation & problem resolution of the CA - Unicenter DSM - NSM systems.
  • Remedy Problem & Change management application for management of problem tickets and production change requests.
  • Installed, Configured and Maintenance of Application Servers and Database Servers on Sun Solaris.
  • Upgraded from (VERITAS) 3.2 and 3.5 to VERITAS 4.1 Storage Foundation for Oracle Enterprise and VERITAS volume Manager4.1 and VERITAS File System 4.1.
  • Setting up Global VERITAS 4.1 volume Manager Boot disk Configuration.
  • Installed and upgrade HBA Drivers, Firmware, PowerPath and SAN Agents like NAVIAGENT, NAVICLI and NAVISCLI for EMC Storage.
  • Setting up RAID levels on Sun Storage Equipments using VERITAS Volume Manager and Solstice Disksuite on new/existing production/development systems for reliability, fault tolerance, and availability
  • Worked Closely with SAN Team For Adding/expanding new storage to existing/new systems using VERITAS Volume Manager and Solaris Volume manager.
  • Resolved any issue that may have arisen during this complicated process.
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy
  • Installed configured Cisco networks, including switches, routers, and firewalls.

Environment: Solaris 5.8,9 and 10, Sun Fire V480,V490,V880,V890 Sun Enterprise E3500, E4500, E6500, M4000, M5000, T5220, T5240 Sun Ultra Sparc 80, Veritas Volume Manager 3.x/4.1 Solaris Volume Manager, Oracle 11i.

Confidential, Groton, CT

Solaris System Administrator

Responsibilities:

  • Installed, configured and Operating System upgrade on Sun Solaris 8, 9 and 10.
  • Performed patches research, patches installation, Patch upgrades and packages installation on Sun Solaris Servers
  • Installed, Configured and Maintenance of Application Servers and Database Servers on Sun Solaris.
  • Upgraded from (VERITAS) 3.2 and 3.5 to VERITAS 4.1 Storage Foundation for Oracle Enterprise and VERITAS volume Manager4.1 and VERITAS File System 4.1.
  • Setting up Global VERITAS 4.1 volume Manager Boot disk Configuration.
  • Installed on a Solaris VERITAS Cluster Server (VCS) and VERITAS Cluster Server (VCS) Upgrade for UNIX Servers.
  • Installed and upgrade HBA Drivers, Firmware, PowerPath and SAN Agents like NAVIAGENT, NAVICLI and NAVISCLI for EMC Storage.
  • Setting up RAID levels on Sun Storage Equipments using VERITAS Volume Manager and Solstice Disk suite on new/existing production/development systems for reliability, fault tolerance, and availability
  • Worked Closely with SAN Team For Adding/expanding new storage to existing/new systems using VERITAS Volume Manager and Solaris Volume manager.
  • Resolved any issue that may have arisen during this complicated process.
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy
  • Installed configured Cisco networks, including switches, routers, and firewalls.

Environment: Solaris 5.8,9 and 10, Sun Fire 15000,280R,V480,V490,V880,V890 Sun Enterprise E3500, E4500, E6500, Sun Ultra Sparc 80, VERITAS Volume Manager 3.x/4.1 Solaris Volume Manager, Oracle 8i/9i.

Confidential

UNIX (Solaris/Linux) Administrator

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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