Summary:

• Over 6 years of strong experience as a LINUX/UNIX System Administrator and Production Support of various applications on SUN Solaris, Red Hat Linux and Windows environment.
• Extensive implementation and troubleshooting experience under Client Server Systems.
• Experience on Solaris 10/9 and RHEL 5/6 implementation Administration, Installation Maintenance.
• Configured Kickstart servers for complete hands-free installation of workstations, with custom profiles, begin/finish scripts and custom package suites/clusters.
• Integration of various network related services like NFS, NIS, DNS.
• Expertise in the setup and administration of VERITAS Volume Manager and Clusters.
• Involved in configuring Zones and Containers in Sun Boxes.
• Troubleshooting skills with network protocols such as DNS, TCP/IP, SMTP SNMP.
• Hands on experience with ticketing tools such as Remedy and Quick base.
• Administration of networking devices such as Routers and switches.
• File System servers with NFS with Auto mount clients.
• Upgrade and Maintain Firmware on IBM p5/p6 Servers, HMC, Sun Sparc Servers,
• Developed basic UNIX scripts using Perl and bash
• Installation, configuration and maintenance of Sun and HP servers.
• Management of User accounts, System security, change management and performance tuning.
• Monitoring and administering Sun-Solaris servers and Redhat Linux servers
• Installation of Patches, Hardware, software's and Firmware upgrades
• Ability to handle multiple tasks and work independently as well as a team member
• Provided on-call support and worked with Vendors on system issues and bugs for its resolution.
• Proficient in System administration, System planning, co-ordination, commissioning, setting up security hierarchy and capacity planning.
• Willingness to work on flexible hours for production, backup and on-call support for 24/7 environments
• Good communication skills, self-motivated with a high degree of attention, a good Team Player, committed to work and have sound leadership qualities.

Technical Skills:

PROFESSIONAL EXPERIENCE:

Confidential

System Administrator

Responsibilities:

• Installed and configured VMware ESX server instances for virtual server setup and deployment. Responsible for creating VMware virtual guests running Solaris, Linux, Windows.
• Responsible for installation, configuration, and administration of Red Hat Linux, Solaris systems.
• Setup and maintained NFS, NIS, and TCP/IP network, configured the systems for TCP/IP Networking with the existing LAN, setting up SSH and SCP features between SUN systems and other Red Hat/UNIX hosts.
• Maintained network and data security, maintained security compliance policies on the OS for SOX and internal audits.
• Integrated the Linux environment with Active Directory providing a Single Sign On SSO solution.
• Using rsyslog mysql, deployed a custom syslog reporting solution for system alerts and notifications.
• Deployed Redhat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.
• Experience with Jumpstart Kickstart Installations on Solaris Linux
• Installed, maintained and finetuned the Apache-Tomcat server and Websphere Application Server in Linux Platform
• Created Bash scripts to monitor system resources and system maintenance.
• Wrote Perl and Python scripts to generate statistics and monitor processes.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell, and Perl scripts.

Environment: Red Hat Enterprise Linux 4.x,5.x, Sun Solaris 8,9,10, VERITAS Cluster Server, Veritas Volume Manager, Oracle 11G, HP UX, IBM AIX, HP Proliant DL 385, MS Windows 2003 server.

CONFIDENTIAL

System Administrator

Responsibilities:

• Building Physical as well as Virtual VMware Servers.
• Mass Build of Linux/Solaris OS servers using kickstart /jumpstart automation application.
• Building Linux servers web-logic application, apache, DB servers etc in large quantity as per EDC and Non EDC production requirement as well as App/Dev requirement..
• Verification of the built servers.
• Worked extensively with Network File System NFS for storage.
• Patching of RHEL5.3 servers during outage for PCI compliance purpose as well as VCS patching for Solaris servers during weekend outage.
• Kernel Upgrading from EL5.3 to 5.4 during outage in production boxes.
• Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Software package and patch administration, involving adding and removing software packages and updating patches
• Handling problems or requirements as per the ticket Request Tracker created.
• Configuration and administration of LDAP, NFS and NIS in Linux and also implemented Samba for sharing of resources between Linux and Windows environments.

Maintained proper documentation of all the activities carried out during the project.

Environment: Sun Solaris 10/9/8, Linux 5/4/3, Oracle 10g, SUN Servers, SUN Fires, Linux, Jump Start, Shell Script, Autosys, Veritas Volume Manager VVM , LDAP, EMC Storage SAN, Veritas Cluster Server VCS , VMware servers, jboss,Websphere.

System Administrator

Responsibilities:

Patching of RHEL5 and Solaris 8, 9, 10 servers for EMC Powerpath Upgrade for VMAX migration.

Configuration of LVM Logical Volume Manager to manage volume group, logical and physical partitions and importing new physical volumes.

Documented the standard procedure for installation and deployment of VMAX Migration and logical volume manager.

Installation, configuration, support and security implementation on following services:DHCP, SSH, SCP.

Configuration and administration of NFS and Samba in Linux and Solaris.

Maintained and monitored all of company's servers' operating system and application patch level, disk space and memory usage, user activities on day-to-day basis.

User administration on Sun Solaris and RHEL systems, HP-UX machines, management archiving.

Installations of HP Open view, monitoring tool, in more than 300 servers.

Attended calls related to customer queries and complaints, offered solutions to them.

Worked with monitoring tools such as Nagios and HP Openview.

Creation of VMs, cloning and migrations of the VMs on VMware vSphere 4.0.

Worked with DBA team for database performance issues, network related issue on Linux / Unix Servers and with vendors for hardware related issues.

Expanded file system using Solaris Volume Manager SVM in the fly in Solaris boxes.

Managed and upgraded UNIX's server services such as Bind DNS.

Configuration and administration of Web Apache , DHCP and FTP Servers in Linux and Solaris servers.

Supported the backup environments running VERITAS Net Backup 6.5.

Responsible for setting cron jobs on the servers.

Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.

Handling problems or requirements as per the ticket Request Tracker created.

Participated in on-call rotation to provide 24X7 technical supports.

Configuration and troubleshooting - LAN and TCP/IP issues.

Environment: Red Hat Enterprise Linux 4.x, 5.x, Sun Solaris 8, 9, 10, VERITAS Volume Manager, Oracle 11G, Samba, ,EMC Power path, DELL PowerEdge 6650, HP Proliant DL 385, 585, 580.

CONFIDENTIAL

Solaris/Linux System Administrator

Responsibilities:

Perform hardware configuration, operating system loads, and assist with troubleshooting installation issues.

Installations of all the required patches, drivers, third-party software.

Installed and configured VERITAS Volume Manager and VERITAS File System as needed.

Supported, Installed and Upgraded VERITAS NetBackup software on multiple Unix servers Solaris

Installalled of Sun E250, E450, Sun E3000, SunFire v440/v480/v490 with Solaris 8/9. Upgraded/Migrated Solaris 7 to Solaris 8 on Sun servers and workstations.

Expertise in managing shared NFS files system, mounting and un-mounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.

Setup various user profiles, environment variables/security to ensure smooth operation.

Experience in installing local and remote YUM server on Redhat.

Implemented System policies and hardware profiles, hard disk configuration for fault tolerance, disk mirroring and back up the data using BACKUP devices.

User accounts management, developing korn shell scripts for various system performances monitoring purposes and troubleshooting.

Administered Linux servers for several functions including managing Apace/Tomcat server, mail server, MySQL database and firewalls in both development and production

Monitored Sun Solaris Servers running in a 24x7 data centre supporting approximately 400 servers.

Environment: VERITAS NetBackup, Sun E250, E450, Sun E3000, SunFire v440/v480/v490, Solaris 8/9, SDS 4.1, 4.2 Solstice Disksuite , VERITAS volume manager 3.5,websphere.

CONFIDENTIAL

Linux Administrator

Responsibilities:

Responsible for supporting Linux servers for production, development and testing.

Installing, Configuring and Maintaining the DHCP, DNS, NFS, NIS, send mail server.

User Account Management, Group Account Management, configuring dumb terminals, adding modems, formatting and partitioning disks, manipulating swap, local and remote printer management, taking and restoring backup, scheduling jobs.

Performance tuning and preventive maintenance. Performed daily backup.

Performed addition of Swap space at run time.Performed installation and configuration of LDAP.

Resolving TCP/IP network access problems for the clients.

Implementing Remote System Monitoring with Sun Microsystems.

Performed administrative tasks such as system startup/shutdown, backups, Printing, Documentation, User Management, Security, Network management, configuration of dumb terminals.

Troubleshooting backup and restore problems and performed day-to-day trouble shooting for the end users on Solaris and Linux based servers.

Develop, Maintain, update various scripts for services start, stop, restart, recycle, cron jobs UNIX based shell, Perl.

Configured and maintained NIS, NFS servers on Linux.

Setting up Oracle 8 server in Linux/Unix environment.

Environment: Linux Red Hat Enterprise, CentOS , Windows 2000/NT, HP, IBM, Solaris, Oracle 8, SSH Gate, Cisco routers/switches, Dell 6400, 1250, Sun E450, E250.