OBJECTIVE

• Seeking a challenging and responsible position at a progressive organization, where my UNIX and Networking experience and education will be utilized in an atmosphere conducive to professional growth and achievement.

SUMMARY

• Around 7+ years of experience at various technical levels in IT, experienced in Unix and Linux Administration ( Centos, SUSE & Redhat ), Shell, Java, python, Perl scripting, High Availability with Financial, Energy and production support in Data Center Environments.
• SUSE Enterprice linux using VMware Virtual infrastructure cleint tool and configured with EMC storage box.
• Extensive experience with the installation of Solaris 8, 9, 10 using Jumpstart and Redhat AS 2.1, 3, 4,5,6.x using Kickstart.
• Experience Virtualising servers using VMWare ESX 3.5,4.1 and also using vCenter to manage ESX servers.
• Provided VMware vCloud Networking and Security functionality for virtualized compute environments, built using the VMware vCloud Suite.
• Extensive volume management using Redhat LVM, Veritas Volume Manager 4.x/5.x, LVM and boot disk mirroring experience with Sun Volume Manager.
• Experienced in installation and administation of Apache 1.3.x, 2.2.x and Sun - One Web Servers and installation of WebLogic 8.x, 9.x, 10.x application servers and Oracle database servers.
• Experience configuring EMC SAN devices like Clariions CX 4, CX3 & NS Arrays.
• Experience supporting Clustered environemnts like Redhat Clustering and Veritas Clustering.
• Experience in Virtualization using Redhat KVM and VMWare ESX and Solaris 10 by creating VM’s on ESX 3.5, 4.1 and Zones on Solaris10.
• Configured AWS EC2 Instances, Load-Balancers, EBS storage, and RDS databases
• Integral member of Production Infrastructure Redesign and Deployment team delivering highly reliable/available/serviceable systems
• Involved in analysis, planning, system design, implementation, performance monitoring, OS tuning, security, capacity planning, hands-on-implementation and management of corporate system infrastructures.
• Experience working with scheduling tools and softwares like at, cron, ControlM and Maestro.
• Experience with working with high end servers like Dell Poweredge, HP Proliant, Itanium, PA-RISC, Cisco UCS & Sun M5000, T2000, Sun Fire 25K, Sun Fire 15K, PE DELL R410, R610.
• Shell scripting using sh, ksh, bash and perl.
• Excellent verbal and written communication skills and strong analytical and problem-solving ability.

TECHNICAL SKILLS

Operating System: SUSE 9,10&11, Redhat Linux 3,4,5,6.x Solaris 7, 8, 9, 10 &112.1, 3, 4.x5.x,6.x,, CentoOS, Windows 2000/03/08

Hardware: Cisco UCS C200, C250, Sun Fire 6800/4810/4800 , Sun Enterprise 10000, Sun Fire F15K, Sun Fire 25K, T2000,M5000, Ultra Enterprise 6000/5000, SPARC sun4c/sun4u, Ultra 5/10/60, PE Dell R410,R 610,860 Intel Based PC, Dell Laptops, A1000/5x000, D1000, T3, 3511, 3510, StorageTek SD-3 tape drive,TL2000, TL4000, Serial I/O devices, Emulex, QLogic and JNIC HBAs and SCSI controller, SAS, SATA drives

Web Servers: Apache HTTP Server 1.3.x, 2.2.x, iPlanet 6.x

Application Servers: WebLogic 8.x, 9

Disk Management: Veritas Volume Manager 3.x/4.5

Language/Tools: Bourne, Korn, SQL

Databases: MySQL, Oracle 9i

Designing tools: Microsoft PowerPoint

File Systems: UFS, VxFS, ZFS, ext, ext2, ReFS,Xen virtualisation

Networking: TCP/IP, NFS, DNS, NIS, SEN, DMZ, LAN, WAN LDAP, Switches, Hubs, and Routers

PROFESSIONAL EXPERIENCE

Confidential, Pittsburgh, PA

Sr Linux/UNIX administrator

Responsibilities:

• Installation of RedHat 5.x, 6.x, Centos 5 & SUSE v9 Linux operating systems on HP & Cisco UCS HW.
• Installation of Linux on Cisco and HP HW on Itanium HW.
• Performed disk administration using LVM, Linux Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas Volume Manager 4.x/5.x.
• Performance monitoring on Linux servers using iostat, netstat, vmstat, glance, top & prstat.
• Installed VMware VCloud Networking and Security Manager and configure it to work with vCenter Server.
• Administered Nebackup 5.1 Performed backups on Tap library TL2000, TL400
• Installed and Configured Oracle Enterprise Linux 5 with Oracle Database 11g.
• Backup and restore files using Oracle RMAN.
• Configure RAID on MD3000 Disk Array . used mdadm commands
• Installed NIC card and upgraded firmware on NETSCREEN Security appliances
• Worked on POSTFIX mail server.
• Installed and configured DHCP, DNS, NFS and trouble shooted DNS issues.
• Supported authentication protocols include Kerberos IV, Kerberos V protocols (client/server, user/user) Secure Remote Password.
• Configured iptables on Linux servers.
• Experience scheduling jobs with ControlM and Cron.
• Worked on monitoring tools like Nagios and Zenoss.
• Worked on volume management using Veritas Volume Manager 4.0
• Installed and configured PHP
• Troubleshooting and Debugging on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris with experience in installing SSL certificates.
• Performed Package administration on Linux using rpm, yum and on Solaris using pkgadd.
• Experience working with Configuration management softwares like puppet.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• User, Group management for all the UNIX servers
• Modifying/ Writing scripts in Python, Bash, Korn shell and Perl for optimizing day to day administration
• Editing crontab in post installation of Unix servers
• Racking Dell server, Installing, cabling, OS installation, in Data center
• Did Inventory management, Server decommissioning, new server adding to list

Environment: Redhat Linux, Redhat EL 5.x, 6.x, Centos 5, Apache, PHP, Veritas Volume Manager 4.1, 5, DNS, NFS, PE DELL R410,R610,R910,1650,1950,860, Sun T2000, SunFire v890,E2900, Disk Arrays MD3000, TL2000,TL4000.EMC Ax-4,Clarion,VNX.

Confidential, TX

Sr Linux/UNIX administrator

Responsibilities:

• Installation of SUSE, Redhat Linux and on x86 HW like HP and Dell & Solaris 9, 10 operating systems on SPARC platforms.
• Extensively used SMF for service management for managing services on Solaris 10.
• Created Projects on Solaris 10 operating system for installation of applications.
• Performed volume management taks like mirroring using SVM, VERITAS Volume Manager 4.x/5.x and HPUX LVM.
• Supported Orcale DB and Oracle RAC on Redhat environments.
• Experience setting Linux to support RAC, Orcale and Weblogic installations and performed trouble shooting and debugging on performance isues.
• Experience working with Security audit team and also make server secure by running security scripts.
• Configured and Troubleshooted LDAP issues by configuring LDAP clients, creating ldap user accounts etc.
• Experience virtualizing Redhat servers by creating VM’s on ESX 3.5 and vSphere 4.1.
• Administered WebLogic 9 application servers which included installing SSL certificates.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris with experience in installing SSL certificates.
• Experience working with SAN environments majorly servers connected to EMC Clariions, DMX and Celerra’s. Managed backup environments with EMC Avamar.
• Experience in performing vMotion on VMWare ESX Cluster servers.
• Experience installing and configuring scheduling softwares like ControlM on Linux and Solaris.
• Experience working with DNS and Monitoring software’s to manage servers in the environment.
• Experience working with servers connected to on SAN and NAS environments like EMC and NetApp.
• Experience setting up cluster environments like Veritas Clustering for high availability of Business Critical Applications.
• Installation of Oracle 9i, 10g on the Sun servers running Redhat Linux and Solaris 10.
• Creating resource pools, zones and containers on Solaris 10 and T2000 to optimize and consolidate the use of the hardware.
• Experience working with EMC Powerpath and Redhat and Solaris Native multipathing.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• Performed tasks on F5 load balancer like ordering new certs, installing and renewing SSL certificates, bouncing servers with performance issues after taking them out of the server pools, ID maintenance,
• User, Group management for all the UNIX servers
• Modifying/ Writing scripts in Python, Bash and Korn shell for optimizing day to day administration
• Editing crontab in post - installation of Unix servers
• Intalling HP ovo monitoring client application on Solaris 10 server.
• Worked on N1 application owned by SUN.

Environment: Redhat EL 3.x, 4.x,SUSE v9, x Solaris 8,9,10, Sun Java System Web server 6.0, Veritas Volume Manager 4.1, 5, BigIP F5, Oracle 9i, DNS, NFS, LDAP, Sun T2000, M5000, v480, v880.

Confidential, San Francisco, CA

Sr Linux Administrator

Responsibilities:

• Installation of SUSE 9, 10 and Solaris 9, 10 operating systems on SPARC platforms.
• Created projects on Solaris 10 to tune the operating system for installation of applications
• Installing, administration and troubleshooting and debugging of Apache 2.x web server, which included tasks like creating virtual hosts, installing SSL certificates etc.
• Installation of WebLogic 9.x servers on Linux and Solaris servers and creation of domains using the web console.
• Worked on installation and administration of version control tools like RCS and CVS.
• Managing configuration files like httpd.conf, crontab in the revision control systems.
• Performance monitoring and tuning of the applications and OS using iostat, ndd commands.
• Experience in writing Java, Python and Shell scripts.
• Involved in implementing security on Solaris and Linux servers.
• Installation of patches on Solaris and Linux servers.
• Worked on CSM load balancer for taking server out of rotation
• Worked on cronolog in Linux servers for managing the logs of the web servers and performed automation using Python shell and perl scripts.
• Was involved in Change Control Management and documentation of the procedures.

Confidential, Southlake, TX

UNIX / Linux Administrator

Responsibilities:

• Performed Jumpstart and Post Jumpstart Installation with Solaris 9, 10 on E25k and T2000, v890, v480, 280R, E480 and Kickstart installation using Redhat AS 3, 4.x on Dell 6800, 2950, 1850, 1250, HP DL 380, DL 500 Servers.
• Performed disk administration using Linux Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas Volume Manager 4.0.
• Configured and administered Web Servers like Apache 1.3.4 and IIS 6, this included the creation of Name Based Virtual Hosting and IP Based Virtual Hosting, installing SSL certificates and troubleshooting.
• Modification of OBP and nvram settings for E25k and T2000 servers for the configuration of the alternative boot disks after mirroring the root disk.
• Configuration of NFS servers and Samba Servers to share the resources across multiple environments.
• Configured NIS infrastructure in the Solaris and Linux environment.
• Performed kernel upgrades in the Linux Servers to stable releases.
• Installation of application servers like Oracle 10g, WebLogic 8.x, etc and performance tuning of the same.
• Performed Package administration on Linux using rpm and on Solaris using pkgadd.
• Configured tools like Big Brother for system monitoring and status reporting of the various parameters like system resources and services.

Confidential

Linux System Administrator

Responsibilities:

• Upgraded from Sun OS to Solaris 2.6 on different servers.
• Performed patch and package administration.
• Administered users, groups, permissions, quotas and ACLs.
• Administered file systems using Sun Solstice Disk Suite.
• Administered of tape cartridge, formatted disks, monitored disk usage, modified and removed swap space and dump areas.
• Experience in Java Programing and Scripting.
• Performance tuning of the applications like Oracle 8.0, Apache 1.2.x.
• Performing backup and restores using tools like ufsdump, ufsrestore, cpio etc.
• Configuration and administration of NFS servers and Automounter
• Configuration and administration of NIS Server, Slave and Clients.
• Troubleshooting of hardware, printer, user, network issues.