PROFESSIONAL SUMMARY:

• Around 7 years of IT experience in System Administration under heterogeneous environment of UNIX, Sun Solaris 8/9/10, HP - UX 11.x, AIX 5.x, Linux Redhat SuSE,CentOS, VMware, Chef.
• Expertise in Installation, Configuration and file system management and RAID volume management through, Solaris Volume Manager Solaris and Logical volume Manager HP-UX, Linux .
• Experiences in Server build using Jumpstart and kickstart Process.
• Experience in monitoring, managing and resource pool using commands poolstat, vmstat, prstat, mpstat.
• Experience in ZFS safe upgrade using lucreate, luupgrade, luactivate.
• Storage experience in managing EMC, NAS storage arrays and VERITAS wNetBackup administration VNB .
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Proficiency in VMWare. Installation and monitoring Virtual environments with ESX 4.x servers, ESX 5.x and Virtual Center 4.X and Virtual Appliance 5.X
• Extensive experience in Shell and Perl Scripting, including Ruby.
• Experience in installing and configuring VERITAS Cluster Server VCS , Sun Cluster Server, LDOMs and monitoring High Availability Environment.
• Installing Netback up and oracle agent on Redhat,SuSE Linux servers and troubleshooting
• Kernel Tuning in Solaris and Linux Servers.
• User Security administration, multiple backup Recovery technologies Snapshots, Disaster recovery plan and maintenance of various activities.
• Extensively worked on solaris10 container technology, created local and global zones, modified local zone parameters.
• Widely worked for administering the web and application servers
• Disk and File system management through Logical Volume Manager LVM on LINUX and Solaris Volume Manager SVM on Solaris.
• Worked on Live Upgrade, migrating from UFS root file system to ZFS file root system.
• Advance level of experience in researching OS Issues, applying Patches and opening the Vendor Tickets.
• Day to day administration of the Development environment and Test environment systems.
• Provided 24X7 supports on pager rotation basis.
• Helped to establish standards, policies and procedures for all aspects of Unix Server environment e.g., administration, configuration, documentation, etc .
• Knowledge of Routers and Switches, Subnetting, VLAN, TCP/IP, VPN, OSI model, Firewall checkpoint, VOIP, and Sarbanes Oxley compliance SOX .
• Technical professional with management skills, excellent business understanding and strong communication skills.

TECHNICAL SKILLS:

Operating System

Solaris 10/9/8, HP-UX 11.0,11.11,11.23,11.31, IBM AIX 4.3/5.x, Linux RedHat, CentOS SuSE, Windows NT /2000/2003.

Hardware

Sun Fire 280R/V 480/4800/3800/10 K/12K/25K Server, Sun Enterprise 2000, 3000, 40000 4500/6500, E10K series serverM5000,M4000,M3000,T5220,T5120,T5240,X4140,X4170,SunBlade 6000,HP-9000 K,L,N series, HP 9000, rp3440/rp7440/rp 8440 Server, Superdome, IBM RS/ / M80 / H70 / H50 Series server and pSeries 590/610//660/670.

Network/Naming Services

NIS,NIS, DHCP, Proxy Server, DNS, ADS

WEB Technologies

APACHE 2.x, 1.3x, iPlanet 4.x/5.x, WebLogic 8/9/10 Web Sphere 4.0/5.0

Languages

UNIX Shell Scripting, Perl Scripting, Ruby

Backup Management

Veritas Netbackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, tar, cpio, dd

Third Party Software

VERITAS Volume Manager, Veritas Cluster Service VCS, HP Service Guard, IBM TIVOLI, Sun Cluster, EMC Storage, VMware ESX, RAID Technologies.

Protocols

TCP/IP,UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNETPROFESSIONAL EXPERIENCE:

Confidential

Sr. Linux/Unix Administrator

• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process performed Kickstart to install OS on Linux boxes.
• Upgraded Linux Servers running RedHat 5.6 to 6.2.
• Installed and configured Chef Automation Environment
• Used Chef for Configuration Management and automation of routine tasks.
• Supported various applications running Tomcat, Jboss, Sidewinder and Oracle Databases.
• Allocate storage LUNs being used by clustered systems to all servers in the cluster group.
• Ensured LogRotation is in place and supported install of Flume Agents for log transport to a Central Storage
• Monitor system activity and perform auditing
• Scripting using Shell and Ruby for Day to Day tasks.
• Created Monitoring Dashboards using Graphite
• Ensure sufficient disk space exists and ensure file system integrity is maintained
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Working with the server, database apps team on new deployments production issues
• Configure reporting using various supported tools/scripts. Provide utilization, available capacity reports and growth estimates for all storage devices on weekly/monthly basis
• Installation, configuration, administration and troubleshooting of VERITAS Volume management and VERITAS Cluster server products.
• Administration and support of VERITAS Cluster Services including VCS One on UNIX platforms, which is not covered by the DBA or Storage project team. Allocate storage LUNs being used by clustered systems to all servers in the cluster group.
• Perform daily maintenance tasks, monitoring mail, print and other applications
• Widely used Nagios for monitoring and configuring Alerts.
• Worked on Remedy Tickets on a 24/7 on-call rotation basis.
• Performed Daily backups of Critical Servers using Veritas Net Backup and TSM.
• Install, mount and configure peripheral devices such as terminals and disk drives.
• Used ksar to generate graphical reports of the SAR data for troubleshooting Performance and Network issues.
• Documentation of all the Processes on Confluence
• Change Management for implementing Day to Day maintenance activities in Prod Env's.
• Knowledge on Cloud Software OpenStack and OpenShift and SDN.
• Working on Upgrading Dev Environments from Redhat 6 to Redhat 7

Environment: Solaris 10, Redhat Linux 6.2,5.6,5.5, Apache, HP Open View, Remedy,EMC San, HP 9000 K,L,N class server, EMC, p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0, VMWARE ESX 4.1,Vcenter

Confidential

Sr. Linux/Unix Administrator

• Installation, Configuration Upgrade of Linux and Solaris operating systems.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process performed Kickstart to install OS on Linux boxes.
• Created User, Groups and File Systems as per database requirements.
• Configured and troubleshooting NFS, NIS, NIS, DNS, DHCP, FTP, LDAP, and Samba, Apache servers in Linux Servers.
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Experience in installing, configuring the Volume/File system management using Veritas Volume Manager, Logical Volume Manager LVM, Solaris Volume Manager SVM, ZFS Filesystem Management and VERITAS File System.
• Experienced in User and Group administration and security issues.
• Worked on SOASTA TouchTest tool with Java Script
• Performed upgrades of Packages and Patches in Solaris and Linux.
• Configured IPMP, NIC Bonding and Link aggregation in Solaris, Linux and HP-UX.
• Designed and Performed Custom Jumpstart Installation over network and created, maintained install server, boot server and profile server.
• Regular disk management like adding and replacing hard drives in existing servers and workstations. Creating partitions according to requirements, creating new file system or growing existing one over the hard drives and managing the file system.
• Worked on VMware. Installed and monitored with various virtual environments with ESX and Virtual Center.
• Installed Linux on VMware virtual servers using Virtual Client Infrastructure Console and Virtual Media.
• Patched different software using RedHat Package Manager and YUM.
• Upgraded Linux Kernel using YUM.
• Configured NFS Servers, Diskless clients and Auto clients and auto mounted the file systems using direct and indirect maps. Also setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems.
• Performed all LVM and file system tasks like creation of Logical volume and file system, Mount a file system, Modifying size of a Logical Volume and file system, Removing a file system.
• Monitoring system performance and capacity working on reconfiguration

Environment: Solaris 10, Redhat Linux 6.2,5.6,5.5, Oracle10g, 11.2.1,11.2.2, Jboss, Apache, Sun M5000,Sun M3000, Sun M4000,Sun T5120,Sun T5220, Sun T5440 and x4140,x4170,ORS sidewinder, Tibco,ATG,HP Open View, SOASTA TouchTest tool with Java Script,Remedy,EMC San, HP 9000 K,L,N class server, EMC, IBM RS/6000, IBM Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0, Test Director, Quick Test Pro,VMWARE ESX 4.1,Vcenter,VCOPS.

Confidential

Sr. Unix/Linux Administrator

• Installing Troubleshooting ESX servers for internal external clients
• Installed and configured Vcenter 4.0,5.0, ESXi4.1,5.0
• Installed, configured and maintained Linux Windows Servers on VMware environment for different applications.
• Involved in large data center migration planning, designing, moving servers to new data center, coordinating troubleshooting issues with various data center, network, application and storage teams
• Planning, installing and configuration of operating system on new Dell/HP Servers.
• Maintenances and troubleshooting hundreds of Linux Servers.
• Adding/expanding new storage to existing/new systems using LVM, Veritas Volume management RHEL servers
• Worked mainly on Linux servers supporting all the OS administration, application and hardware issues.
• Provisioning servers for Oracle RAC.
• Supporting critical applications and proprietary development environments.
• Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back using VMWARE Cluster Server in SAN environment.
• Creating and managing shared disk groups in clustering environment.
• Configured Multipath on Linux Servers.
• Troubleshooting network, application, and server related issues.
• Scheduling of automatic repetitive Jobs, and Shell Scripts with Crontab.
• Creating the volumes and creating the file systems.
• Creating and Administering Volume Manager Objects.
• Installed RHEL 4,5 on Intel Machines, Configured File Systems and Raw Devices.
• Installed various RPMS on Linux.
• Installed and Configured Veritas Net backup client and advanced client software's in Production servers.
• Administer, maintain and troubleshoot EMC Clarion array.
• Perform capacity planning on SAN and switch fabric Brocade .
• Creating volumes, LUNs and implementing different RAID levels on the same
• Configured and created snapshots of clones of LUNs using Hitachi SNM2

Environment: Solaris 10, Redhat Linux 6.2,5.6,5.5, Oracle10g, 11.2.1,11.2.2, Jboss, Apache, Sun M5000,Sun M3000, x4140,x4170,ORS sidewinder, Tibco,ATG,HP Open View, Remedy,EMC San, HP 9000 K,L,N class server, EMC, IBM RS/6000, IBM Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0

Confidential

Linux/Unix Administrator

• Installation, Configuration and Upgrading Solaris 10, Red-Hat.
• Automated Installations on T5220,M5000 series machines using JET Server Custom Jump Start
• Extensively worked on configuring Dynamic domains hardware level Virtualization on M5000's
• Extensive experience on Virtualizations using LDOMS Manager, Zones.
• Extensive experience with working on Solaris Volume Manager SVM, creating meta devices, soft partitions, mirroring the devices
• Root Mirroring using SVM in UFS and Rpool in ZFS for high availability
• Configuring Jumpstart Server and setting up for automating installations.
• Blade Logic Agent Installtion and Job scheduling
• Shell Scripting for routine system activities
• SAR for system metrics like CPU,Mem,IO stats.
• Enabling Cron and Jobs using Crontab.
• Backups using TSM Tivoli Storage Manager
• Yum configuration,updates, rpm installs.
• Day to day trouble shooting for end users on UNIX, resolving tickets through Remedy.
• Performed setting up Configuration Server and Boot Server for Jumpstart process and using tape-Recovery for file system recovery.
• SAN/EMC storages with HBA card configuration and different level of RAID configuration
• Helped to establish standards, policies and procedures for all aspects of Unix server environment like administration, documentation and configuration
• Setting up Oracle Rac environments for installation for Oracle 10g,11.2.1,11.2.2
• In depth knowledge on IPMP, Link based, probe based in Solaris and bonding in Linux Environments
• Managing file system, metadevices, zpools, and mirroring for high availability.
• Good knowledge on tuning kernel parameters on Solaris using KDB parameters
• Extensive experience on firmware upgrades on X86 and Sparc Architectures in Solaris
• Responsible for upgrades to Red Hat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements
• RHN licensing
• Used RSC, Alom and ILOM for administering the consoles.
• Worked on HP Performance Manager to monitor performance and report activities such as performance, memory usage, peak performance.
• Installation, Configuration and Administration of Web sphere and Apache Servers.
• Trouble shooting Performance issues and network issues

Environment: Solaris 10, Redhat Linux 6.2,5.6,5.5, Oracle10g, 11.2.1,11.2.2, Jboss, Apache, Sun M5000,Sun M3000, Sun M4000,Sun T5120,Sun T5220, Sun T5440 and x4140,x4170,ORS sidewinder, Tibco,ATG,HP Open View, Remedy,EMC San, HP 9000 K,L,N class server, EMC, IBM RS/6000, IBM Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0

Confidential

Jr. System Administrator

Responsibilities:

• Managed different Users and Groups and maintained Systems security.
• Managed Swap Space and Implemented Quotas to maintain security at User Level.
• Implemented alternate Boot Path to take back up of File System when Operating System is corrupted.
• Installed and configured Solaris Servers and implemented Client Server model networks.
• Configured SCSI controllers for SCSI-Disks and backup tape drive for nightly backups.
• Configured Install server for Solaris 9 and Jumpstart installation of Workstations through Jumpstart server.
• Configured Terminal servers with TCP/IP address.
• Configured Thin Client on both UNIX and Windows.
• Installed Cute-FTP software on win 2000 for file transfer between UNIX and Windows Operating Systems.
• Configured NAS box and shared the NAS device for both UNIX and Windows clients.
• Installed and Configured APACHE Web Server on SUN SPARC.
• Installed SAMBA on SUN SPARC and shared resources from Win 98 clients
• Installed Web Based Administration Tool WEBMIN on SUN Enterprise 250 Server.
• Configured Mail server using send mail SMTP and Fetch mail POP3 over the Internet.
• Installed Solaris 9 on sun SPARC Server, configured File system and Raw Devices
• Thorough knowledge of Boot Process of Solaris on Intel and SPARC machines.
• Good knowledge in TCP/IP applications.
• Configured and Implemented NFS Server and NFS Client.
• Implemented Auto mount using NFS, Configured Cache FS over NFS.
• Implemented RAID Levels using PCI SCSI RAID Controller.
• Configured NIS and NIS Master and Replica servers and Clients.
• Configured DNS and Set up DNS for Solaris and Windows NT.
• Configured DHCP Dynamic IP address allocation for clients.
• Configured PPP and established link between Solaris and Windows using SLIP.
• Planned and Scheduled jobs using at and cron tab commands.
• Installed various Packages and Patches on SUN SPARC and Intel Machines.
• Good knowledge on Network Installation, maintenance and troubleshooting of UNIX.
• Good knowledge on Troubleshooting and Performance Tuning of Solaris Desktop / Solaris Servers.

Environment: Solaris 10/9, Linux RHEL 5, HP-UX 11/11i,AIX 5.3L, Windows 2000/2003, Sun Fire 6800/E6500 Server, E10K/25K, T2000, Sun Fire X2250, Sun SPARC Enterprise 1000, M4000/5000,HP 9000 K,L,N class server, EMC, IBM RS/6000, IBM Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0, Test Director, Quick Test Pro,