SUMMARY

• System Administrator with over 8.5 years of experience on various Versions of UNIX/LINUX (Solaris, Red Hat Linux, SUSE).
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine - tuning on UNIX (SUN Solaris) and Linux (Red Hat Linux)Systems.
• Installed, monitored and supported Web and Application Servers on Red Hat Linux and SUSE environments.
• Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning.
• Experience in virtualizing Operating System services using Solaris Zones and Containers.
• Worked extensively on DHCP, DNS, NFS, NIS, NIS+ and ZFS.
• Experience with system monitoring, load balancing
• Experience in using various network protocols like HTTP, UDP, POP, FTP, TCP/IP, and SMTP.
• Proficient in configuring JumpStart and KickStart servers to initiate installation of Solaris and RedHat Linux on several machines at once.
• Creating and maintaining users, profiles, security, rights, disk space and process monitoring.
• Highly experienced with Storage Administration like EMC SAN Administration, NetApp, NAS Administration, Symmetrix Remote Data Facility(SRDF).
• Experience in working with Storage Area Network (SAN), EMC CLARiiON, Celerra, EMC Symmetrix DMX, EMC's Enterprise Control Centre(ECC).
• Experience in Veritas Volume Manager, Veritas NetBackup and Veritas File system.
• Experience with High Availability cluster servers using Veritas Cluster Server
• Experience using diagnostic and debugging tools such as Dtrace, Strace, truss, Top, OS tools, Bladelogic, BMC Patrol, BMC best1, Legato networker (client side), Solaris Management Console and HP Insight Manager
• Experience in installation and configuration of Web Sphere, Apache, JBoss, IPlanet, BEA WebLogic, LDAP, and mail servers.
• Experience in Installing, Configuring, and Implementing Virtualization Environment Using VMware (Server + Workstation), SUN Virtual Box.
• Experienced with Tivoli Access Manager V6.
• Worked on group/user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation.
• Experience in writing Shell scripts using ksh, bash, perl, for process automation of databases, applications, backup and scheduling to reduce both human intervention and man hours.
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Experience with NCD X terminal displays and RAID disk arrays (0, 1, 0+1, and 5).
• Experience in performing DBA tasks such as creating users, roles, tables, tablespaces, imports and exports for development of databases.
• Dedicated to excellent customer service. Self-direction, leadership and problem solving skills. Ability to prioritize and work proactively. Strong communication, documentation and teamwork skills.
• Experience supporting 7x24 production computing environments. Experience providing on-call and weekend support

PROFESSIONAL EXPERIENCE

Confidential, Corona CA

System Administrator

Responsibilities:

• Responsible for installation, configuration, and administration of Red Hat Linux, Suse Linux systems.
• Installed and configured new hardware and memory and applied patches as needed.
• Handled administration and support for Red Hat LINUX, SUSE Linux servers.
• Provided problem resolution for system hardware, software, and/or Operating Systems and developed specialized automation tools, scripts, and processes for performance monitoring of system hardware and/or software, and to assist other groups in completing their tasks.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell and Perl scripts.
• Configured Firewall and security using SSL, IPchains, IPtables, TCP Wrappers, Tripwire, and port scanners.
• Installed, configured and deployed Applications on Websphere Application Server.
• Performed TSM 5.3.3 upgrades for PROD, DEV & TEST systems.
• Helped DBA team for faster application execution by creating processor sets and linking Sybase process to the processor set and configuring permanent links across reboots
• Used Confidential Systems Director for monitoring and tuning the environment and help the development team in identifying root causes.
• Installed other useful related softwares such as ITA, Bindview, OpenSSH, Confidential Tivoli Storage Manager, Confidential DB2 client, Tripwire etc.
• Deployed applications (EAR/WAR) files on multiple Servers/Clusters and maintained Load balancing, High availability and Failover functionality.
• Worked with diagnostic and debugging tools such as Dtrace, Strace, truss and top commads..
• Configured, Installed and monitored Applications on Jboss Application Server and also configured JDBC providers, JDBC data sources, connection pooling and JavaMail sessions.
• Worked with DBAs on installation of Oracle database, RDBMS database, restoration and log generation.
• Responsible for implementation, integration, problem resolution, root cause analysis, quality assurance, disaster recovery, audits hardware/software OS and application maintenance and all other daily system administration functions.
• Created new slices, mounted and un-mounted file systems.
• Repaired bad spots on the disk using repair and analyze. Used format and fdisk for disk configuration and disk crash recovery.
• Used Kickstart to automate Redhat Linux OS installation.
• Analyzed and involved in troubleshooting of hardware and software failures for various UNIX servers (core dump and log file analysis).
• Monitored system performance using sar, prof, vmstat, iostat, netstat, Nagios...
• Managed and implemented changes, upgrades, security procedures and policies to the unix client infrastructure. ..
• Configured DNS and involved in troubleshooting DNS issues.
• Documented various regular administrative tasks and backup procedures, communicate with peer groups throughout the Company to develop best practices.

Confidential, McLean VA

Senior System Administrator

Responsibilities:

• Responsible for installation, configuration, and administration of Solaris 10 and supporting other OS like Red Hat Linux, Suse Linux systems.
• Installed and configured new hardware and memory and applied patches as needed.
• Handled administration and support for SUN, Red Hat LINUX, SUSE Linux servers.
• Provided problem resolution for system hardware, software, and/or Operating Systems and developed specialized automation tools, scripts, and processes for performance monitoring of system hardware and/or software, and to assist other groups in completing their tasks.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell and Perl scripts.
• Configured Firewall and security using SSL, IPchains, IPtables, TCP Wrappers, Tripwire, and port scanners.
• Installed, configured and deployed Applications on Websphere Application Server.
• Performed TSM 5.3.3 upgrades for PROD, DEV & TEST systems.
• Helped DBA team for faster application execution by creating processor sets and linking Sybase process to the processor set and configuring permanent links across reboots
• Used Tivoli Performance viewer for monitoring and tuning the environment and help the development team in identifying root causes.
• Installed, configured & upgraded WAS 6.0, 6.1 and provided extensive support in code deploy, change management and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.
• Installed other useful related softwares such as ITA, Bindview, OpenSSH, HP Openview, BMC Patrol Best1, Confidential Tivoli Storage Manager, Confidential DB2 client, Tripwire etc.
• Deployed applications (EAR/WAR) files on multiple Servers/Clusters and maintained Load balancing, High availability and Failover functionality.
• Worked with diagnostic and debugging tools such as Dtrace, Strace, truss and top commads..
• Configured, Installed and monitored Applications on Jboss Application Server and also configured JDBC providers, JDBC data sources, connection pooling and JavaMail sessions.
• Worked with DBAs on installation of Oracle database, RDBMS database, restoration and log generation.
• Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests.
• Responsible for implementation, integration, problem resolution, root cause analysis, quality assurance, disaster recovery, audits hardware/software OS and application maintenance and all other daily system administration functions.
• Created new slices, mounted and un-mounted file systems.
• Used VERITAS VOLUME MANAGER to create diskgroups, volumes, volume groups, and RAID’s.
• Repaired bad spots on the disk using repair and analyze. Used format and fdisk for disk configuration and disk crash recovery.
• Used jump start to automate Solaris OS installation and Upgraded Solaris 8,9 systems to Solaris 10 systems with perfection using Live Upgrade / Fresh Jumpstart procedures.
• Analyzed and involved in troubleshooting of hardware and software failures for various UNIX servers (core dump and log file analysis).
• Used Veritas Cluster Server (VCS 5.5) to verify Failover/Pre-Failback/Failback incase of outage in the high environment.
• Monitored system performance using sar, prof, vmstat, iostat, netstat, Nagios...
• Managed and implemented changes, upgrades, security procedures and policies to the unix client infrastructure. ..
• Configured DNS and involved in troubleshooting DNS issues.
• Documented various regular administrative tasks and backup procedures, communicate with peer groups throughout the Company to develop best practices.

Confidential

Jr. Systems Engineer

Responsibilities:

• Maintained Solaris and HP-UX servers.
• Upgraded Solaris 2.7 to Solaris 2.8 on Sun servers and workstations.
• Installed and configured Sun Solaris. Performed unattended Installation using Jumpstart on several servers.
• Checked server logs for any Critical Hardware/Software issues in production environment.
• Configured Samba server for file sharing.
• Installed Solstice Disksuite 4.2 & Administration of Solstice Application Products on E450 machines and implemented RAID 0, RAID 5 and mirrored the Root Disk for redundancy of the OperatingSystem.
• Configured Solaris Bandwidth Manager 1.5 on SunE450 machines for controlling the network and to control the bandwidth assigned to particular applications, users and departments that share the same intranet or interlink.
• Configured NFS Servers, NIS+ Servers, DNS servers, NIS+ Clients, Diskless clients and Auto clients and automounted the filesystems using direct and indirect maps.
• Had setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems.
• Formatting raw disks and partitioned them using the format utility, installing Solaris operating system, creating file system, devices and special files using newfs and mknod.
• Used fsck and fsdb on file systems successfully when critical data got corrupted. Made use of alternate superblocks to replace corrupted superblock.
• Transfer of Adabase database containers within the Solaris High Availability HA1.3 environment servers using shell scripts in ksh/bsh/bash environment.
• OBP firmware upgrade for the sun servers.OS patching with recommended patch cluster.
• Managed Systems and Network related issues like Installation, Configuration and Troubleshooting on UNIX and Solaris platform for Clientele.
• Using MsBackup, Veritas Volume Manager for Backup and Restore from SCSI Hard Drives on Clariion CX200 and Tape Drives using various policies like daily, incremental and differential backup
• Managing Customer Support on field as per the Annual Maintenance Contract FM-services norms and conditions.