SUMMARY:

• Over Ten years of strong experience in Unix System Administration with extensive implementation & troubleshooting expertise.
• Planned, designed, installed, deployed and managed a computing environment centered around servers running Red Hat Enterprise Linux 4/5/6, Centos and Ubuntu and Sun Solaris 8/9/10 x86.
• Experienced in datacenter operations that includes racking and stacking of servers, switches storage devices various appliances etc
• Expertise in systems performance monitoring, tuning: CPU, disk, memory and network utilization
• Moderate knowledge of scripting in bash, Networking, Communication devices, Server Utilities, TCP/IP, FTP protocols
• Setup monitoring, troubleshooting on a 24 x 7 basis with nagios, BMC patrol, Team Quest,& Smart trouble ticketing Systems/remedy tickets
• Frequently installed & upgraded large number of servers using PXE, Kickstart, and internally developed tools.
• Stress tested 64 - bit version of RHEL/Scientific Linux 4.x and 5.x,6.0 for performance and data integrity, and advice necessary kernel tunings for initial deployment.
• Installing, configuring and maintaining the VMware ESX 3.x /4.x/5.x/6.0Virtual Center 5.x, 6.0 servers
• Installation and administration for window server 2008/2012
• Installing and configuring and managing of Active directory DNS, DHCP and active directory trust etc.

TECHNICAL SKILLS:

Operating System: SUN Solaris 2.6/7/8/9/10/11 RHEL 4/5/6 and Windows Server 2003/2007/2008/2012

Hardware: Sun Fire 6800/4800/3800/880/480/1280, T2000/5000, M5000/9000, E15K/25K, Sun Oracle M5000 T4-1, Sun Sparc T5220, T5440, 4200, Sun Fire 215, E2900, HP C7000, UCS 220/240 etc

Web /Application Server: Apache, Tomcat, WebLogic

Languages: C, Perl, PL/SQL

Networking: TCP/IP, SMTP, IPMP, SNMP

Database: Oracle 8i/9i/10g

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, California

Linux system Administrator

Responsibilities:

• Provided system support for 200+ servers of Redhat Linux, centos, ubuntu and Sun Solaris including routine maintenance, patching and system backups and restores and software and hardware upgrades.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, SAR, vmstat, ps, iostat and experience on networking like IPV4 & IPV6
• Knowledge on Bash shell Scripting
• Configured and Installation of sun solaris 8/9/10 and through jumpstart server
• Creation, Management and Configuration of Virtual Machines, Clone and Templates.
• Installing/Configuring Nagios monitoring tool, disk space increase using VMware converter
• RPM and YUM package installations, patch and other server management.
• Installation, Configuration, Administration and Trouble shooting of ESXi6.x,Vsphere 6.0
• Installation of ESXi server and creation of VMs and install different guest OS.
• Installation of VC server and Installing Virtual center components
• Configuring mail alert for any failure CPU, memory etc
• Installation and administration for window server 2008/2012
• Installing and configuring and managing of Active directory DNS, DHCP and active directory trust
• Migrate Physical Servers to Virtual Server using VMware Converter (P2V Converter)
• Migrating of Virtual Machines using vMotion
• Creating and Managing Virtual Machines and Templates
• Monitoring of Virtual Machine’s & ESX servers (CPU, Memory, Disk and Network Utilization) for Security.

Confidential, San Bruno, California

Linux/Solaris Administrator

Responsibilities:

• Installation, Configuration, troubleshoot and Upgrade of Solaris 8/9/10,RHEL 4/5/6, Esxi 4.x/5.x/ESXi 6.0 operating systems and experience on IPV4 and IPV6
• Installation, Configuration, Administration and Troubleshooting of ESX 4.x/ESXi5.x, Virtual Center
• Manage latest Supermicro, Dell computing hardware and UCS 220/UCS240 etc.
• Used VMware P2V tool to covert few physical machines to VMs.
• Primary contact person for regular backup/restore infrastructure
• Configured vCenter,vMotion, vSwitch Vlantagging etc
• Create and administer Volume groups, Logical Volumes using LVM, RAID’s
• Configured HP C7000 storage with various types of blades HP BL680c/460c etc.
• Performed Data Migration across HP, NetApp, EMC, IBM, Dell and other Storage solutions.
• Installing and configuring and managing of Active directory DNS, DHCP and active directory trust.

Confidential, San Ramon, California

Sr. Unix Administrator

Responsibilities:

• Installation, Configuration, troubleshoot and Upgrade of Solaris 8/9/10, RHEL 4/5/6, Esxi 4.x/5.x operating systems.
• Setup and manage the VMware ESXi 4.x/5.x environment for the Infrastructure team.
• Deploying virtual server using template and cloning of virtual server
• Primary person for Linux OS reliability and performance issues. Worked on system tunings and kernel/driver customization for groups with special computing needs.
• Key member of the team administering Virtualization clusters running VMware and Oracle VM software.
• Virtual Networking (Virtual Switches, VMKernel Ports) and Virtual Storage (Access Control and VMFS Datastore)
• Monitoring of Virtual Machines & ESXi servers (CPU Memory, Disk and Network Utilization) for security
• Monitor the Production servers/storage using NAGIOS monitoring tools.
• Installed Solaris 10 on HP DL 360 G6/G7 and connected to P2000 storage.

Confidential, San Jose, California

Sr. UNIX System Administrator

Responsibilities:

• Installation, configuration &Upgrade of Solaris, Red Hat Linux operating system.
• Worked on Performance monitoring tools such as BMC Enterprise Performance Assurance and BMC Patrol & Team Quest Tool
• Configured and install Zones - identify zone components and resource parameters, allocate file system space, describe the interactive configuration of a zone.
• Installation, configuration, testing, support of VMware ESXi server and Virtual Center running both Linux and Windows 2003 servers and Windows 2012 server.
• Monitored environment using tools that includes Nagios and CACTI

Confidential, San Jose, California

Sr. UNIX administrator

Responsibilities:

• Installation, Configuration and Upgrade of RHEL 4/5operating systems.
• Used VMWare for testing various applications on Cisco UCS Systems.
• Day to day troubleshooting and support for end users on UNIX/LINUXServers
• Monitoring Systems performance and fined tuned kernel parameters.
• Responsible for NFS Management - user/ project quota/qtree administration and management.
• Installed patches with UCE Tool (Sun update Connection)
• Provided direct system and network administration support for multiple groups within the project.
• Installed SAMBA on Red Hat Linux and shared resources on Windows clients
• Installing and configuring and managing of Active directory DNS, DHCP and active directory trust etc.

Confidential, Kansas, Overland Park

Sr. UNIX System Administrator

Responsibilities:

• Installation, configuration & upgrade of Solaris, Red Hat Linux, centos and ubuntu operating systems.
• Configured and Install Zones - identify zone components and zonecfg resource parameters, allocate file system space, describe the interactive configuration of a zone.
• Install Packages with RPM and YUM tool
• Participated in developing and implementing jumpstart servers for multiple installations.
• Created related documentation, standards and procedures to comply with corporation and industry standards.
• Installed Red Hat Linux through Kickstart
• Upgraded Solaris 8/9 to Solaris 10
• Configuring DNS/NFS/NIS etc
• Monitor, troubleshoot and capacity planning of vsphere environment
• Implemented security hardening per company policy using Solaris 10 feature.
• Configured and implemented NFS Server and NFS client

Confidential, San Diego, CA

UNIX administrator

Responsibilities:

• Responsible forInstallation, Configuration & Upgrade of Solaris & Linux operating system.
• Installation and configuration of VERITAS NetBackup.
• Installing packages with RPM and YUM tool
• Used iostat, sar and netstat to determine the system and network health.
• Upgraded Solaris to Red HatLinux with the help of P2V tool etc.
• Good experience on monitoring tool big brother,Team Quest

Confidential, Broomfield, Colorado

Sr. UNIX Administrator

Responsibilities:

• Responsible for installation, configuration& Upgrade of Solaris, AIX, HP-UX, Linux and Windows-NT operating systems.
• Installed Suse Linux & Red Hat Linux on HP ProLiant Blade Servers
• Installed packages and patches. Supported 24/7 high availability production servers.
• Have good experienced with monitoring tools including HP Open View and BMC Patrol. Hands-on experience on admin tools including Webadmin, Net cool and Big Brother.
• Installed & Configured Sun Fire 210, V240, V440, V490, V880, T2000,E450,1280 & HP ProLiant DL- 320/360/380/560/580 L Servers
• Installed Packages with RPM, YUM tool
• Day - to-day administration on Sun Solaris Installation, upgrade, loading patches & packages

Confidential, San Diego, CA

UNIX System Administrator

Responsibilities:

• Responsible forinstallation, Configuration & Upgrade of Solaris and Linux operating system.
• Performed Installation of Red Hat Linux 4on Dell, Proliant and Enterprise Server 4.0
• Installed & configured Sun Fire 210, V240, V440, V490 and V880
• Involved in troubleshooting of CPU, Memory, I/O and Network on Linux, Solaris operating Systems.
• Configured NFS Servers, NIS Servers, NIS Clients, auto clients and auto mounted the file systems using direct and indirect maps
• Responsible of Installation and configuration of VERITAS Cluster servers. Added new service group and maintained existing service group.
• Installed, managed Solaris Volume Manager (Configured mirror/Breaking mirror/metadata bases Solstice Disk suite 4.2.1)
• Installed, managed Verities Volume Manager 3.5 (VxVM) on Solaris 8/9
• Reviewed system log files for errors, setting up CRON jobs for backups and monitoring process
• Handled performance monitoring in File system CPU, Memory and Process in all the UNIX Servers