SUMMARY

• Overall 7 years of experience in the area of system administration.
• Extensive experience in Redhat Enterprise Linux 3/4/5, VMware ESX 3.5 and Solaris servers management in a heterogeneous environment.
• Experience on various X86 hardware and Blades(HP, DELL, IBM).
• Expert in system automation installs using Kickstart and automating post install operations.
• Strong Knowledge in Implementation of Enterprise storage solutions with SAN, NAS,DAS, Logical & Veritas Volume Manager, Disk Suite and RAID technologies(RAID0, RAID1, RAID 0+1, RAID 1+0 and RAID5).
• Experience in Linux based server solutions like Apache, Sendmail, FTP, DHCP, DNS/NIS, SAMBA and NFS with AUTOFS.
• Experience in configuring high availability clusters like Oracle RAC and Veritas Cluster.
• A solid understanding of distributed computing environment understands principles of routing, client/server architecture and load balancing.
• Experience in handling, deploying and maintenance of various Application Servers, Database Servers, Web Servers, Mail Servers and Virtual Servers.
• Solid understanding of datacenter infrastructure applications (databases, replication/disaster recovery, and application integration with respect to infrastructure).
• Solid understanding of RPM, building, maintaining, and installing packages using up2date and yum.
• Worked on VI3, P2V migrations, VMOTION, Storage VMOTION, DRS, and HA.
• Worked on tools like Netcool and Bigbrother for performance monitoring and checking health status of the servers.
• Worked with Audit/Compliance (PCI/SOX) teams to install and maintain security updates and patches.
• Experience in researching and recommending technology solutions for complex architectures.
• Expert troubleshooting abilities and strong analytical skills.
• Current with latest Linux hardware and software technologies and evaluate technologies as needed.
• Effectively collaborate with cross functional teams like architecture, application development, database, QA and also follow SDLC methodologies.
• Positive attitude, strong work ethics, and ability to multi task.

TECHNICAL SKILLS

Operating Systems: RHEL 2.1/3/4/5, CentOS, OEL, Solaris, Windows, VMware ESX

Hardware: HP ProLiant, Blades, Dell Power edge, IBM x series

Scripting: Bash, Korn, Perl,C

Database: Oracle 9i, 10g,11g RAC, MS Access, MYSQL

Web/ App servers: Websphere application server, Apache Web Server, Tomcat Web Server, Weblogic

Tools: VMware converter, HP - ILO, IBM-RSA, Dell - RAC

Networking: TCP/IP, NFS, Telnet, FTP, DNS, DHCP, NAT, ifconfig, route, Netstat Xinetd, HTTP, SAMBA,NetApp

Storage: Logical volume management (LVM), SAN, NAS, DAS, MPxIO, ISCSI

PROFESSIONAL EXPERIENCE

Linux Administrtor

Confidential, Albany, NY

Responsibilities:

• Design, setup, Installation, configuration and administration of RHEL and Solaris servers.
• Setup and configure IBM Blade, Dell servers in a datacenter environment.
• Setup automated installs for Linux servers using Kickstart.
• Setup and supported Oracle RAC in SAN on Linux.
• Setup NFS and Samba File sharing setup on Linux and Windows servers.
• Assist in deployment of servers and workstations on the client side and configuring the switches in datacenter.
• Perform backups in large database environment and able to write queries in PL/SQL using various database tools.
• Perform configuration and administration of FTP, DNS, HTTP and Mail (SMTP, IMAP, POP) servers.
• Ability to write and modify shell scripts to monitor and automate system administration tasks using Perl/bash.
• Setup and configuring all the Linux servers to synchronize with the NTP Server.
• Performed the administration of the DNS and configuration of the Database Files.
• Communicate break/fix efforts to all interested parties during system failures.
• Advice management on ongoing needs/issues related to computer and data networking infrastructure.
• Analyze and resolve production system problems, providing 24x7 support.
• Perform daily system monitoring, verify the integrity and availability of all hardware and server resources, OS patching, and review system and application logs.
• Manage systems, processes, and procedures tied to day-to-day and long-term facility maintenance, repair, and operations.

Environment: PowerEdge DELL, IBM Blade Center(HS-22,HS-22s), RHEL 4/5,Solaris 10, Windows 2003/08 server, Oracle 10g RAC, PL/SQL, QNAP(NAS)

Linux/VMware consultant

Confidential, Memphis

Responsibilities:

• Design, setup, Installation, configuration and administration of RHEL/OEL and Solaris servers.
• Created inventory, rack, stack and label of HP Blades, HP ProLiant servers in a datacenter.
• Installation, configuration and management of VMware infrastructure (Vsphere 4.0, Virtualcenter, Vmotion, DRS and HA).
• Worked on operating systems upgrades using iLO management for HP severs.
• Creating and extending the File systems (OCFS, ZFS, ext3), Volume Groups, Logical Volumes and LUN’s.
• Installation, configuration and management of VMware infrastructure (ESX, Virtual center, SRM, DRS and HA).
• Upgrade, setup and install the VMware ESX Hypervisor on new/recycled servers.
• Configure virtual switches, network interfaces, port groups, data stores using GUI and CLI.
• Setup Linux guest operating systems using VMware ESX 4.0/4.1, ESXi.
• Worked extensively in EMC/3par storage datacenter environment.
• Setup Linux guest operating systems using VMware ESX 3.5, ESXi.
• Assist in performing migrations using various virtualization tools.
• Monitoring and checking health status of the servers using Netcool, Bigbrother.
• Worked on resolving tickets in production support environment.
• Set-up and support of servers in a high availability, heterogeneous Linux, Windows
• VMware environment with an emphasis on security and using well documented, automated installation and support procedures.

Environment: Redhat 5, Solaris 8/9, VMware ESX 4.0/4.1, Vsphere 4.0, HP Proliant Servers DL 380/360, Windows 2008 sever, EMC Clariion, Netapp.

Linux Administrator

Confidential, Dallas

Responsibilities:

• Assist in the planning, implementation and maintenance of Linux servers on RHEL 2.1/3/4,fedora core and Solaris.
• Configured Kickstart files installed RPMs and wrote post install scripts for installing patches in bash/Perl.
• Diagnose and troubleshoot system, network & storage infrastructure problems.
• Installation and Configuration of various services like Apache web server, vsftpd, samba, ftp, nfs, and Kickstart.
• Configure, optimize and manage Apache + Tomcat instances using OEM (Oracle Enterprise Manager).
• Create Virtual machines and setup guest operating systems using powershell.
• Managing and maintaining production systems that are required to have 24x7x365 availability.
• Contribute to documentation of managed systems, software applications, processes and procedures.
• Participated in planning and implementation of new systems and upgrades to existing systems.
• Responsible for functionality, stability, control, performance and capacity planning of all Linux based servers.
• Work with department managers and general IT staff to analyze and resolve problems associated with technical issues.
• Monitors and tunes the system to achieve optimum performance levels.
• Follow Change Management process prior to making any changes to production systems.
• Write scripts and tools to improve existing system administration procedures.
• Schedule and perform maintenance upgrades on responsible systems.

Environment: RHEL 3/4, Fedora, Solaris8, Vmware, Websphere, HP ProLiant servers, IBM X series, NetApp filer, EMC storage

Linux Administrator

Confidential, St Louis, MO

Responsibilities:

• Maintaining Linux servers in general (security, software updates, system diagnosis, debugging, tuning, advanced troubleshooting, etc.)
• Plan and recommend network hardware, software and architecture.
• Installation, upgrade and patching of Linux operating systems.
• Installed and configured DNS Server and Configured DHCP.
• Regularly review system monitoring results to track system metrics and identify performance issues and opportunities for optimization.
• Provide timely insight and advice to user inquiry.
• Creating and maintaining system administration documentation.
• Providing back-up, restore, recovery, and data storage services.
• Troubleshooting and resolution of hardware and software issues.
• Ability to write and modify shell scripts to monitor and automate system administration tasks.
• Creation of Users and groups according to the developers’ requirements.
• Maintaining O/S level security.

Environment: Redhat, Ubuntu, CentOS, apache, mysql, Dell Power Edge servers

Network Administrator

Confidential

Responsibilities:

• Analyze and resolve production system problems, providing 24x7 support
• System Administrator for Linux based, Mail Server, Proxy, Router and Webserver
• Clients' Server Administration Remotely and On Site visits.
• Programming, Debugging, Testing, troubleshooting of Linux O/S.
• Programming in C, Shell Scripting to automate server task, Automate Secure data Transfer with shell and awk scripting
• Configuration of software router on Linux based Customized product
• Windows Exchange Server installation on Windows NT Server
• Samba Server, ISP Servers on SUSE Enterprise Server,
• Configuration with windows 2000/NT server, IIS Server configuration on windows NT
• During this time developed some patches for Confidential product ALICE, (Advance Linux Communication Environment)
• Handled support manager work to support Linux/Unix servers
• Intranet application developed like chat, bulletin Board, and TODO list.
• UNIX/Linux server Network Setup, WAP gateway Setup,
• IPX Tunneling between Linux and Novell Netware Server.
• Administrator for Web Hosting server, Mail Server Proxy Server

Environment: Redhat 9, RHEL 2.1, DELL PowerEdge Servers), Perl, Oracle, Windows 9x/NT /ME /2000, Macintosh OS, Novell NetWare