SUMMARY

• Around 8.1/2 years of experience on various flavors of Linux (RHEL) and UNIX (Solaris) and Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, migration, Trouble Shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine - tuning on UNIX (SUN Solaris, Red Hat Linux) Systems.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.)
• Experience in Security Hardening in Unix, Linux and Windows servers.
• Experience in using various network protocols like HTTP, UDP, POP, FTP, TCP/IP, and SMTP.
• Experience in Server builds using Jumpstart. Strong working knowledge of scripting and programming PERL and SHELL.
• Proficient DB administration (Oracle, DB2, Sybase and SQL) knowledge for maintaining, pruning, and performing required DB tasks.
• Worked on Shell Scripting to automate Linux environment.
• Experience in updating O/S maintenance and modification levels by applying software patches and fixes (APAR’s and PTF’s) that are downloaded from IBM.
• Experience in Administering, troubleshooting and support of various SUN Solaris & Linux environments.
• Experience in BMC Blade logic.
• Expert in secure heterogeneous computing environment.
• Developed UNIX Shell scripts using Korn, C Shell scripting, SED, and AWK to ease the administration tasks.
• Experience in managing total site responsibility and monitoring IT projects for the entire life cycle.
• Experience in develop monitoring scripts to track I/O, RAM and CPU performance.
• Expertise in Solaris (8/9/10)
• Expertise in developing kernel modules in Linux/Unix platforms.
• Strong in LVM Performance monitoring, Error logging, Diagnostics, Fine-tuning and Backup management.
• Expertise in configuring Apache and MySQL using Red Hat Cluster site.
• Experience in installation, configuration of Linux virtual server using VMware infrastructure.
• Experience in troubleshooting and resolving network issues related to the servers.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience in installing, configuring and maintaining WebSphere Application Server.
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.
• Experience in creating SSL certificates for windows servers and Solaris/Linux Servers.
• Experience in Symantec Netbackup 6.x in Enterprise environment.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 10/9/8/7/2.x, Linux (RedHat 4, 5, Suse), Windows NT 4 / 98 /2000 /2003 /2008/ Vista.

Hardware: Sun Fire Servers: E25k, E15k, 12k, E280R, E480R, V240, 420R, V440, V480, V490, V880,V890 4800, E6900 and E2900. Data Centre Servers:E250, E450, E3000 and E3500, M5000, M8000, M9000, T2000, T5120, T5240, T5440. Tape Libraries: Sun StorEdge L20/L40/L60, L180,Storagetek’s 9840,6540,STK 700,L-1 1400, SE-6920 A/B/C Fibrechannel Arrays: Sun StorEdge 3130, A1000/D1000, Confidential DMX 800 and 1000

Tools: Sun Cluster 3.2, VERITAS Netbackup 6.0, VERITAS Storage Foundation Suite,, Hiperpav, Solaris Volume Manager, sendmail, Tripwire.

Languages: Scripting Bourne, bash, KSH & Perl, Python, Ruby, PERL, C, C++, PHP, JAVA, PL/SQL, HTML, JavaScript, J2EE, JSP, Servlets

Databases: Oracle 10g/9/8, Sybase 11.5.1, POSTGRESSQL, MYSQL, MSACESS

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

Tools: Sun Cluster 3.2, Vmware, VERITAS Netbackup 6.0, Z/View, Tune, VERITAS Storage Foundation Suite, Solaris Volume Manager, Sun Java Studio, sendmail.

Web Technologies: Lotus Domino 5 / 6, Apache 2.0, Weblogic 8.1, WebSphere, JBoss, IPlanet, IIS, HIS, ESX 2.5.1, 25.2 & 3.0 beta.

PROFESSIONAL EXPERIENCE

Confidential, DC

System Administrator

Responsibilities:

• Working on build/rebuild of Linux servers both manually and with automated tools (BMC Bladelogic).
• Testing servers after the build and certify them for turnover to the app team, particularly in PROD environments.
• Installation of RPM or tar.gz packages.
• Involved in applying patches and installing patch bundles in Linux environment.
• Experience in installing and configuring ESX servers.
• Creating and managing resource pools and adding the VM’s into resource pools.
• Involved in installing and configuring Tripwire Enterprise and Tripwire Log Centre in Windows environment.
• Involved in day to day basis System Administration tasks.
• Working on SAN Migrations to VMAX Arrays from Clarion and DMX in Linux Environments.
• Using VM converter converting Physical machines in VMware VMs.
• Performed systems monitoring, upgrades, performance tuning and backup and recovery.
• Converting P2V and V2V by using VMware converter.
• Involved in post production support for solving complex tickets.
• Resolving SAN related issues and checking SAN configurations of the servers.
• Troubleshooting problems with the help of event logs.
• Manage users, groups, permissions and roles.
• Regular System Administration tasks like User Accounts, access, permissions, security and planning.
• Providing solutions to resolve the recurring issues on the boxes.

Environment: Linux 5.x, Windows 2008, VMware ESX, Confidential SAN storage, Kickstart, MSSQL database.

Confidential, Wilmington, DE

Linux System Administrator

Responsibilities:

• Experience in Keonizing UNIX and Linux servers.
• Patched kernel upgrades on Linux servers.
• Involved and worked in doing UNIX TL upgrades and GPFS.
• Took part in On call rotation.
• Involved in Hygiene Reboots.
• Patching Linux servers and Linux VM’s (running on VMware hosts).
• Worked with vendors Oracle and Linux support during patching and upgrades.
• Worked on troubleshooting tickets on critical server issues on day to day basis.
• Creating users for both the database as well as operating systems.
• Monitoring the CPU usage and suggesting the steps to bring down the CPU spikes.
• Configured and mounted all Linux File systems to implement the Physical design of the DB2 database.
• Handling Database security across development, test and functional team with granting read-only, read/write access to various database.
• Upgraded from VMware ESX server from 3.0.2 to 3.5 in test environment.
• Create Virtual machines using existing templates in ESX servers.
• Generated report on the Performance of the VM’s and ESX servers using Virtual Center.
• Provided Administration access to User and Domain groups based on the request from the application owner to Guest OS.
• Ability to interact with Oracle admin, Install, Configure & manage Oracle servers.
• Worked with Oracle DBA team for the configuration of file systems like extending online file system as when required using VxVM.
• Experience working with Oracle FE in replacing faulty PCI cards and troubleshooting.

Environment: Linux 5.x, Solaris 8/9/10, VMware, Keone, Controlsa, Enterprise Security Manager, Kickstart, VxVM.

Confidential, Charlotte, NC

Linux/Unix System Administrator

Responsibilities:

• System administration of UNIX/Linux servers using Operating Systems of Solaris and Red hat Linux.
• Patching Solaris 10 servers in all types of environments (PROD, CONT, DEV, UAT), these servers include zones and clustered servers.
• Upgrading Firmware on various types of SUN servers including T2000, M4000, M5000, V480, V490, V880, V890, and E2900.
• Patching Linux servers and Linux VM’s (running on VMware hosts) to 5.8 from lower versions of RHEL Linux (5.2, 5.3, 5.4, and 5.6).
• Experience on working with VMware VCENTER for VM Builds and VM upgrades.
• Installing and upgrading various third party applications on Solaris and Linux servers which included Control-SA, ESM, VAS, AUTOSYS, SENDMAIL, ASM.is
• Working with vendors Oracle and RedHat in resolving issues during patching or upgrades.
• Installing and upgrading Confidential Power path multipathing software on SUN Solaris servers (4.5, 5.2 to 5.3).
• Working on SAN Migrations to VMAX Arrays from Clarion and DMX in both Solaris and Linux Environments.
• Experience in migrating SAN on SUN Cluster with Oracle RAC and testing the performance of the new array.
• Working with NAS Q-Tree Migrations on Solaris and Linux servers in which the old filer is migrated to the new filer.
• Working on build/rebuild of SOLARIS/ LINUX servers both manually and automated tools ( BMC BLADELOGIC). Experience with BMC BLADELOGIC automation tool for various purposes including builds, installation and upgrades of native OS related and third party tools.
• Testing servers after the build and certify them for turnover to the app team, particularly for PROD environments.
• Involved in coordinating faulty hardware replacements through a field engineer from the Vendor.
• Working on a day-to-day basis, handling incident tickets, work requests from various team in both Solaris and Linux environments.
• Experience with MAXIMO change and incident tool, NEXUS work request tool, JIRA issue and project tracking.
• Do pre and post validations on the servers before and after the upgrade on both SOLARIS and Linux servers and remediate in case of any issues.
• Working with maintenance on SVM, VERITAS Volume manager, SUN CLUSTER, and VERITAS Custer in the existing environment and configuring them in the new environment
• Installation, configuration and support of Solaris 8/9/10 on Sun servers using Ignite, jumpstart/FLAR.
• Involved in applying Patches, Installing patch bundles on Solaris and Red hat Linux.
• Responded to Incident Management tickets raised and work on them to resolve the issues.
• Perform Enterprise Security Management (ESM) upgrades on Solaris and Linux environment and add the ESM managers to the servers.
• Worked on File systems issues and maintained F/S as per clients, data base and application requirements.
• Support in applying Patches, Installing patch bundles on Solaris and Red hat Linux.
• Backing up and restoring files across the network, Performed OS upgrades and Patch loading as and when required.
• Linux builds on VMware, IBM and working on end to end build process using Bladelogic.
• Involved in postproduction support for solving complex TICKETS.
• Supporting various applications on UNIX environment.
• Responsible for Installation, Configuration Management, Maintenance and Systems Development of over 100 Red hat Systems.
• Experience working with Tripwire file integrity checking tool.
• Performed routine operational LINUX system administration duties.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Software Deployments on request basis for production environment.
• Installed and verified that all Linux patches or updates are applied to the servers.
• Respond to NEXUS work requests which include problem trouble-shooting, root cause analysis, executing scheduled changes, performance analysis.
• Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, Reallocated of kernel resources.
• Installed and configured Solaris and Linux servers using JUMPSTART and KICKSTART installation and periodic patch upgrading using patch bundles.
• Monitor and support over 50servers consisting of different flavors of UNIX including Solaris (8, 9,10), Red Hat Linux Enterprise.
• Experience working with SSL certificates creation on Solaris and Linux environment.
• Provided highly available data services to users using Solaris volume manager (SVM) and Logical volume manager (LVM).
• Managing systems using Change Management, Incident Management.
• Apply patches on OS to ensure security.
• Monitored and configured security packages such as Power Broker, ESM.
• Responsible for maintenance of development tools and utilities and to maintain Korn, Shell, Perl automation scripts.
• Resolving SAN related issues and checking SAN configurations of the servers.
• Fix send mail and Time zone setting issues in Linux OS upgrades.
• Worked with SUN Cluster installing patches and patch bundles on nodes in Solaris.
• Worked on Open Migrator Software in SAN Data Migration with Confidential SAN team.
• Scheduling Incremental and full backups on various servers.
• Install, configure, maintain and troubleshooting in Netbackup 6.x in Enterprise environment.
• Worked on packages like SAMBA in Unix environment.
• Created shell scripts for Health Checks on day to day administration tasks.
• Experience with PCI Compliance.
• Experience working with Oracle vendor in replacing faulty PCI cards with FE.

Environment: Solaris 8/9/10, Red Hat Linux 5.3,4,6,8, VMware, Kickstart, ESM, EMCpowerpath, Control-SA, Solaris Volume Manager, BMC Bladelogic, Confidential SAN Storage, NAS Qtree Filer Migration, Nexus, Maximo.

Confidential, Boston, MA

UNIX Data Migration

Responsibilities:

• System administration of UNIX servers using Operating Systems of Solaris, AIX and Redhat Linux (RHEL).
• Worked on Configuring and maintaining Hitachi USPV and VSP Storage using Veritas.
• Performed Host based data migration using Veritas on Production Servers.
• Installed, configured, and maintained WebLogic and Oracle DB Servers on OS Solaris and Redhat Linux.
• Performed Decommissioning on Solaris and Linux Servers.
• Installation and administration of Veritas Foundation suite including Veritas Volume manager, Veritas file system, Veritas Cluster services.
• Worked on File systems issues and maintained F/S as per clients, data base and application requirements.
• Support in applying Patches, Installing patch bundles on Solaris and Redhat Linux.
• Configure VERITAS Cluster on Solaris and Linux environment and support.
• High availability cluster environment configuration and testing.
• Configured volume manager, backup groups, data services and logical hosts.
• Managing systems using Change Management and Incident Management.
• Monitored load balance on servers and performed server health checks.
• Providing support to Oracle DBAs, including performing database refreshes and startup/shutdown of databases as required.
• Experience working with NetApp Storage and HP SAN migrations.
• Experience working with MS Powershell scripting in routine Administrative tasks.
• Hands on experience working with Tripwire application tool.

Environment: Solaris 8/9/10, Red Hat Linux 5.3, ESX, Sun Sparc Servers, Vmstat,, Veritas Foundation Suite, Veritas Cluster, Veritas Net Backup, Hitachi Storage SAN,, Powerpath, Sar, VMware, Web sphere 6.1, RAID, korn and perlRemedy.

Confidential, Herndon, VA

System Administrator

Responsibilities:

• Performed system administration of UNIX servers by using Operating Systems of Solaris and Redhat Linux.
• Installed, configured, and maintained WebLogic and Oracle DB Servers on OS Solaris and Redhat Linux.
• Performed Decommissioning on Unix and Linux servers.
• Installation and administration of Veritas Foundation suite including Veritas Volume manager, Veritas file system, Veritas Cluster services, Veritas NetBackup.
• Installing, patches, configured and maintained SLES 9,10 & 11 on IBM z/Linux, LPARS.
• Very good knowledge on Advanced Power Virtualization on IBM System P5, P6.
• Involved in applying Patches, Installing patch bundles on Solaris and Redhat Linux.
• Configure VERITAS Cluster on Solaris and Linux environment and support.
• Configuration of Hardware and Software RAID on Digital & Sun Servers.
• Working with Engineering Team to build New Linux Servers.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Expertise in performance monitoring using TOP, IOSTAT, VMSTAT, ZVIEW and SAR .
• Configured VMware, Z/VM and installed several Linux, SLES 11 and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware.
• Maintenance of various versions of Linux Servers (RHEL 4.6, 5.3, 5.6).
• Supported some Windows and MacOS X support under the direction of other systems administration staff.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms. Administering NFS Mounts.
• Extensive experience in Installation of Oracle RAC on Solaris 10 and Linux (5.3/5.4) environments, Configuring of nodes, Virtual IP, Private and Public network for Oracle RAC.
• Set up Virtualization that includes Installation and configuration of Virtual I/OServer (VIOS), and Client LPAR, Dlpar Provisioning and Micropartitioning.
• Configured any storage or storage network problem and provided solutions to complex SRM (Storage Resource Management) software problems to realize full potential.
• Backing up and restoring files across the network, Performed OS upgrades and Patch loading as and when required.
• Plan, design, Implementing, Installation and configuration of Operating System upgrade on Red Hat Linux 4.0 on & HP-Dl585 servers.
• Experience in Developing KORN, BASH, JAVA, PERL, Python shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Worked in configuring and setup connectivity between web servers, database servers and directory servers as a process server administrator.
• Actively participated Disaster Recovery (DR) Tests.
• Planning and configuring the storage using LVM.
• Logical Volume Management (LVM), Installed Veritas Volume Manager 4.1 and created file systems, mirrored and striped volumes.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Involved in postproduction support for solving complex TICKETS.
• Performed IBM Total product Storage Installation on different Operating Systems.
• Supporting various applications on UNIX environment.
• Managing Task plans and uploading into database.
• Software Deployments on request basis for production environment.
• Building Task Plans for all S/W deployments and review with Application teams.
• Coordination with off-shore team to implement any changes in production Environment.
• Day-Day application support on production and technical documentation for critical prod issues, On call pager support 24/7 environment.
• Work with Off Shore Team to troubleshoot Development issues on production environment, Attend weekly status calls and discuss about resolved issues and ongoing issues.
• Experience with MS Powershell scripting in Administrative tasks.

Environment: Solaris 8, 9 & 10, SLES 9,10 & 11, RHEL 5.34.4.6, E10K, E25K domain servers, Sun Fire V440 v210, v220, v240, Sun Blade servers, Web sphere 6.1, VCS, VVM, Remedy (Ticket Monitoring Tool), Z/VM 5.4 & 6.1, Confidential Storage SAN, Veritas cluster server, Solaris/Veritas volume manager, Ldap, HMC, IBM Tivoli Storage Manager 5.4/5.3, NIM, Vmware, RAID, Jumpstart, kickstart.

Confidential, West Haven, CT

Red Hat Linux System Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of over 100 Redhat Systems and Aix Systems.
• Installation and Administration of Red Hat Enterprise Linux 3, 4, 5 SLSE10 using Kick startincluding performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Provided steady state support by 24X7 shift rotation basis and pager support.
• Good knowledge of Advanced Power Virtualization on IBM System P5, P6.
• Lead administrator of Red Hat Linux and other UNIX servers.
• Monitored load balance on servers and performed server health checks.
• Respond to work requests which include problem trouble-shooting, root cause analysis, executing scheduled changes, performance analysis.
• Performed routine operational LINUX system administration duties.
• Provided technical supporting onsite and remote servers for all Corporate, Market Data, and print UNIX based servers.
• Installed and verified that all Linux patches or updates are applied to the servers.
• Upgrades on Linux and expertise in writing shell scripts utilizing different shells including BASH, KORN, JAVA and C-Shell.
• Monitored load balance on servers and performed server health checks.
• Worked on File systems issues and maintained F/S as per clients, data base and application requirements.
• Raid Volume creation, user creation and data removal processes for Snap Servers on day to day bases.
• Responsible for Installation, Samba Server and IBM HTTP Server.
• System administration support to developers, support for Tomcat, Weblogic web servers, installation/support ofPHP and Java programs.
• Administered Apache web servers, MySQL databases, mail, DNS, ProFTPd, and CVS.
• Apache tomcat, Jboss, siteMinder and Identity Minder administration and support.
• Responsible for the operation, maintenance and integrity of a distributed, networked Linux based environment.
• Successfully tested and documented the alternate disk install procedure to clone O/S.
• Upgrade Maintenance level in Linux.
• Installation and configuration of node with respect to other web application server as web logic server.
• Configured HACMP 4.5 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Configured volume manager, backup groups, logical hosts, and data services, and bringing up the cluster. Performed User Account management, data backups.
• Very good experience in writing UNIX shell scripts to FTP files between different environments.
• Worked to configure TWS to send email when a job abends.
• Worked with MS Powershell scripting.

Environment: Solaris 10, Red Hat AS 4.0/3.0, HMC-LPAR, HACMP 5.3/5.2 Cluster management, Confidential Storage SAN, Z/VM, Veritas cluster server, Solaris/Veritas volume manager, Ldap, IBM Tivoli Storage Manager 5.4/5.3, NIM, Korn shell scripting, VMware, Websphere, Web logic 8.1.

Confidential, Elgin, IL

System Administrator

Responsibilities:

• Worked as Unix/Linux System Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Responsible for Installation, Configuration, Support and Troubleshooting existing systems in AIX 4.3.3 / 4.5/5.1 L, Red Hat Enterprise Linux 4,5 operating environment.
• Maintained WebLogic and Oracle DB Servers on AIX and Linux.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Provided 24X7 on call production support.
• Instituted centrally managed Linux configurations for application deployments, disaster recovery.
• Responsible for customer and advisor facing web services with a volume of 4 million hits per day.
• Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.
• Successfully tested and documented the alternate disk install procedure to clone O/S.
• Upgrade Maintenance level in AIX.
• Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, Io board, power cooling unit, mother board etc) & firmware.
• Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, Reallocated of kernel resources.
• Administered Apache web servers, MySQL databases, tomcat and sendmail servers.
• Apache tomcat, Jboss, siteMinder and Identity Minder administration and support.
• Performed process automation, scheduling of processes using CRON jobs.
• Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
• Administered Weblogic Server and IBM WebSphere MQ.
• Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.
• Reconfigured IBM Total Storage SSA Raid arrays (7133-D40/O20), periodically updated microcodes for array components, performed problem determination and advanced diagnostic procedures using diag and SSA service aids.
• Performed administrative tasks such as System Startup / shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• MS Powershell scripting in Administrative environment.

Environment: Red Hat Linux, SUSE, Sar, Vmstat, weblogic, jboss, Apache, tomcat, Sendmail, Sql, MQ, Veritas Foundation Suite, Veritas Cluster, Veritas Net Backup, Jumpstart, kickstart, ESM and HIDS, korn and perlRemedy.

Confidential, Buffalo, NY

Linux System Administrator

Responsibilities:

• Senior Linux System Administrator responsible for the day to day administration and maintenance of a 600+ Servers, 24X7 production environment consisting of Solaris(2.6,5.8,5.9), HP-UX(10.20,11.00,11.11) and Linux servers(7,8,9).
• Maintenance of Superdome cells including Npars and Vpars on 64-way and 32 way domes.
• Supporting Weekly, monthly BCV backups for SAN related volumes.
• Supporting Confidential Solutions Enabler, Timefinder, and Powerpath for Confidential DMX Symmetrix and Clariion devices on host side.
• Apply patches on the OS to ensure security, upgrading software on HP-UX, SUN servers.
• Installation & Maintenance like replacing bad disks including bootable disks, OS, patch installation, predictive configuration for HP-UX and Redhat Linux servers.
• Providing support to Oracle DBAs, including performing database refreshes and startup/shutdown of databases as required.
• Interacting with Developers, DBA’s and Vendors (HP-UX, SUN, Red Hat, and Veritas) and other key personnel to solve technical issues.
• Backup management for Veritas NetBackup, SAN/storage management using StorageTek D280s, Veritas Volume Manager, Veritas Cluster Server, HP LVM and Sun Volume Manager/Solstice.
• Trouble shooting issues related to HP Superdomes, SunFire 15k, and many other Standalone servers.
• Hands-on experience in LVM, VERITAS Volume Manager and security patches for Red Hat Linux servers.
• Regular maintenance of MC/Service guard Packages, load balancing.
• Managing systems using Change Management, Incident Management and SOX process.
• Hands on in MS Powershell scripting.

Environment: HP-UX 11.00, 11.11, Superdomes 32-way and 64-way, Solaris 8/9, Red Hat Linux, SUSE, Confidential Solutions Enabler, Timefinder, Powerpath, Sar, Vmstat, Veritas Foundation Suite, MC/Serviceguard, Veritas Cluster, Veritas NetBackup, Jumpstart, kickstart, ESM and HIDS, Remedy.

Confidential, San Francisco, CA

System Administrator

Responsibilities:

• Installation, configuration and support of HP-UX, Solaris 8/9 on Sun servers using Ignite, jumpstart/FLAR.
• Installation and configuration of Red Hat Linux using kickstart.
• Assisted with physical hardware repairs, installation and maintenance. This includes racking, unracking servers, replacing hardware components and cabling.
• Managing 2 node, 3 node MC/Service Guard Clusters in production environment.
• Korn and Perl scripting for job and process automation.
• Developed scripts using Perl and ksh to provide user interface to help desk team for user account maintenance, QA scripts to check new server builds are in compliance with server build specifications.
• Backup and Restores using Veritas NetBackup.
• Apply patches on the OS to ensure security.
• Made configuration changes to DNS, print queues, NFS/automount and network configuration.
• Monitored and configured security packages such as Power Broker, ESM, VAS, HIDS etc.
• Performed many activities from the change/problem management systems.
• Performance monitoring of servers using top, sar, iostat, vmstat.
• Installation and administration of Veritas Foundation suite including Veritas Volume manager, Veritas file system, Veritas Cluster services, Veritas NetBackup.
• Setup file systems under Veritas volume manager. Migration of disk groups to remote site servers.
• Maintenance of Veritas file system and volumes using Veritas foundation suite.
• Used Veritas volume manager for configuring SAN storage, replacing failed disks.
• High availability cluster environment configuration, testing and troubleshooting on Sun.
• Configuration, maintenance and failover testing of Veritas cluster nodes to ensure high availability.
• Involved in extensive documentation of existing and new processes in completing the system administration tasks.
• Monitor and support over 50servers consisting of different flavors of UNIX including Solaris (8, 9), RedHat Linux Enterprise (2, 3, 4) and SUSE 9.
• Working in 24x7 environments. Interacting with Developers, and other key personnel to solve technical issues.
• Worked with Powershell scripting to automate routine tasks.

Environment: HP-UX 11.11, 11.0, Solaris 8/9, Red Hat Linux, SUSE, Sar, Vmstat, Veritas Foundation Suite, Veritas Cluster, Veritas NetBackup, Jumpstart, kickstart, ESM and HIDS,Remedy.

Confidential 

System Administrator

Responsibilities:

• Installed and configured of Solaris and Linux servers using JUMPSTART and KICKSTART installation and periodic Patch upgrading using Live upgrade.
• Troubleshooting hardware and replacement of failed components running on LINUX and SOLARIS environment, Performance tuning activities like allocation and monitoring of disk space using Disk Quota system.
• Installed and administered DNS, NIS, NIS+, NFS, and Sendmail for centralization and firewall setup with iptables on Solaris and Red Hat.
• Provided highly available data services to users using Solaris volume manager (SVM) and Logical volume manager (LVM).
• Production support and conducted training at various client sites for basic UNIX fundamentals.
• Created and maintained user accounts and print queues, installed tools/compilers including GNU required by the environment and maintained their licenses.
• Resolved config issues and problems regarding NFS mounts, NIS maps, user ids, rpminstalls, and driver installs.
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Used Veritas Volume manager for Storage administration.

Environment: Confidential DRS6000 sparc server, SUN Solaris 2.7/8/9, RHEL 4/5, SUN Enterprise 3500, 6500, 220R, 250, 420R, Enterprise workstations Ultra 80, Ultra 60, Ultra 10, Ultra 2, Veritas Volume Manager 3.0.