SUMMARY

• UNIX Administrator with 6+ years of experience in teh Information Technology industry with hands on experience in wide range of concepts and technologies.
• Worked extensively on different flavors of Unix including Red Hat Linux 3, 4 & 5, CentOS 4, 5, Sun Solaris 7, 8, 9, 10, AIX 5.1, 5.2, and Microsoft Windows Server 2000, 2003
• Good experience in administration concepts like OS virtualization (like Red hat Linux virtual server, Sun Zones etc.) and Volume Management (like Red hat Logical volume manager, Veritas Volume manager etc.).
• Efficient in installing, configuring and implementing teh RAID levels using various tools like Linux Volume manager, Veritas volume manager and Solaris Volume manager.
• Installed, administered high availability environments using Veritas Cluster Server 4.x, 5.0
• Experienced in installation and configuration of Apache 1.3.x, SAMBA 2.x, iPlanet 6, 7.x, Tomcat, WebLogic 8, 9, 10, JBoss 3.x, 4.x, LDAP and mail servers including Sendmail, Exchange and QMail.
• Security management like performing security health checks as per policies/procedures, patching teh servers based on teh advisories for teh applications and operating systems.
• Experienced in writing / modifying shell scripts for process automation of systems, applications, backups etc.
• Very good understanding and working knowledge of SAN and NAS technologies.
• Provided technical support, consultation and guidance for software engineers, database administrators and junior level system administrators.

TECHNICAL SKILLS

Operating Systems: Linux (RHEL, Debian, CentOS), FreeBSD, VMWARE ESX, Open Solaris, MS Windows server

Hardware: IBM blade Servers, IBM P520/P550/P670, DELL Power Edge 8450,6650, HP DL 360 G3/G4/G5, HP BL20p, Sun X4150.

Protocols and Services: TCP/IP, TELNET, FTP, SSH, SCP, ARP, DHCP, SMTP, TFTP, PPP, RARP, POP3, NFS, DNS, ADS, NIS & NIS+, Network Essentials - , LAN/WAN, Switches, Hubs, Fiber Channel, iSCSI and Routers.

Automation and Scripting: Kick start (Linux), Jumpstart (Solaris), Bash/Korn/Bourne/Perl scripting

Software: Red Hat Cluster Suite, VMware ESX 3.5. MS Office

Databases & Languages: Oracle 8i, 9i, 10g, MySQL 4.x, 5.x, SQL Server 2000, 2005, Oracle, C, PERL

PROFESSIONAL EXPERIENCE

Confidential, TX

Linux Administrator

Responsibilities:

• As a system administrator was responsible for provisioning, building and administering Red Hat Enterprise Linux 5.5 and CentOS 5.5 servers and administering Windows Server 2003 R2 Enterprise Edition.
• Used automated installation technology like Kickstart for provisioning of teh servers.
• Installed and supported WebSphere MQ 6.x and Oracle 10g on Linux environment.
• Implemented RAID technology.
• Configuration and administration of DNS, LDAP, NFS and NIS in Linux and also implemented Samba for sharing of resources between Linux and Windows environments.
• Planning, scheduling and implementing OS patches on both Linux & Windows boxes as a part of proactive maintenance.
• Responsible for setting up cron jobs and batch jobs for users to deploy scripts/batches on production servers.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Responsible for writing/modifying scripts using sh, ksh and bash for day-to-day administration.
• Coordinating with 24 x 7 on-call support personnel in debugging.
• Maintained proper documentation of all teh activities carried out during teh project.
• Worked with DBA team for Oracle database performance issues, network related issues on Unix Servers and with vendors for hardware related issues.

Environment: Redhat Enterprise Linux 5.4, CentOS 5.x,Windows Server 2003 R2 Enterprise Edition, Oracle 10g, DELL PowerEdge R710, Sterling Commerce Connect:Direct Network Data Mover(NDM) v4.4.00, DNS, WebSphere MQ 6.x, Apache.

Confidential, Cleveland, OH

System Administrator

Responsibilities:

• As a system administrator was responsible for administering Red Hat Enterprise Linux 5.5 servers.
• Responsible for understanding teh requirements from Development, Database Administration, Production Support teams and help in procuring and designing teh availability of teh resources as per teh specs gatheird from teh teams.
• Responsible for teh support of WebSphere MQ 6.x and Oracle 10g on Linux environment.
• Performed analysis to fix system outages, recognize problems and resolve. Define and maintain sys doc, job doc and production schedule for processes with 100% accuracy.
• Implemented & monitored teh servers in multiple OS with Hobbit.
• Administration of NFS, NIS+, LDAP, DNS, Samba and Send mail Severs.
• Installation, Configuration and Administration of Apache 1.3.26, JBoss 4.2 and IIS 5, 6 Servers in Linux, Solaris and Windows Servers
• Responsible for planning, scheduling and implementing OS patches on both Linux & Windows boxes as a part of proactive maintenance.
• Responsible for administration of Sterling Commerce Connect:Direct Network Data Mover(NDM), which is used for secure transmission of sensitive data from various systems to our system in Windows environment with secure+.
• Responsible for setting up cron jobs and batch jobs for users to deploy scripts/batches on production servers.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Wrote/Modified scripts using sh, ksh and bash for day-to-day administration.
• Troubleshooting and providing support on day-to-day server related issues and problems in terms of hardware, operating system, applications and network.

Environment: Redhat Enterprise Linux 5.4, Windows Server 2003 R2 Enterprise Edition, Oracle 10g, NFS, DELL PowerEdge R710, Sterling Commerce Connect:Direct Network Data Mover(NDM) v4.4.00, DNS, WebSphere MQ 6.x

Confidential, Clearwater, MN

System Administrator

Responsibilities:

• As a systems administrator was responsible for provisioning, building and administering UNIX servers consisting of different flavors like Redhat Linux 4.x,5.x and Sun SOLARIS 8, 9, 10,
• Used automated installation technologies like Kickstart, Jumpstart, and Ignite for provisioning of teh servers.
• Installed and supported Apache 2.x, WebLogic 10.x, WebSphere MQ 6.x and Oracle 10g on Solaris and Linux Environments
• Implementing RAID technologies and SAN solutions. Was involved in teh configuration of a SAN with NetApp and EMC Clarion
• Administering Disks and File systems using Linux Volume Manager, Sun Volume Manager and Sun Cluster 3.1 on Sun Solaris.
• In teh process created Disk Groups, Quoram, Meta Devices, Imported and Deported disk groups, created alternate boot disks etc.
• Implemented naming services like DNS, NIS in multi OS environments.
• Implementing & monitoring teh Network Administration, security vulnerabilities with leading edge technologies like Big Brother, Hobbit, Nagios.
• Wrote/Modified scripts using sh, ksh and bash for day-to-day administration.

Environment: Redhat Enterprise Linux 4.x, 5x, Solaris 8, 9, 10, AS 2.1, 3, 4.x, 5.x, Red hat Logical Volume Manager, Sun Cluster, Oracle 9i, Sun Fire v880, E450, E2900, NetApp and EMC Clarion EX300 and EX500.

Confidential, Detroit, MI

System Administrator

Responsibilities:

• Installation, upgrade and configuration of Redhat Linux 4.x, 5.x and EL 3.x on IBM Blade servers using KickStart, Jumpstart, and CD media.
• Installation and configuration of Linux Volume Manager, Cluster Servers & Veritas File systems (VxFS).
• Administration of NFS, NIS+, LDAP, DNS, Samba and Send mail Severs.
• Installed Patches/Packages on Linux Servers and Solaris Servers.
• Installation, Configuration and Administration of Apache 1.3.26, JBoss 4.2 and IIS 5, 6 Servers in Linux, Solaris.
• Used Veritas File system and Veritas Volume Manager 4.1, 5.0 to configure teh RAID 1 and RAID 5 Storage Systems.
• Installing and configuration and maintenance of Veritas Net Backup 5.x, 6.0.
• Administered Sun Cluster 3.1 for Samba, WebLogic after configuring it from teh LUNs from EMC Symmetrix storage
• Managing and load balancing end-to-end business critical servers on Veritas VCS 4.0 and CFS clusters with vast range of critical applications including Oracle 8i.
• Creation of Logical volumes (LVM) for Linux operating systems.
• Scheduling backups for Linux and Solaris Servers using Veritas Netbackup 4.5 using DLT Tape drives.
• Created shell scripts to automate teh administrative tasks using Ksh and Bash
• Provided On-Call Support for Linux and Solaris server environments.

Environment: Redhat Volume Manager, Veritas Volume Manager, Solstice Disk Suite, Veritas Net backup, Cluster Servers, DNS, NIS, NFS, Send mail, Oracle9i, Web sphere, Sun Fire 6800, 4800, V880, V420R, E220R, E450,Redhat Linux 3.x, 4.x,VxFS, IBM Blade HS 22 Series, BladeCenter H, EMC Symmetrix 8830.

Confidential, Atlanta, GA

System Administrator

Responsibilities:

• Performed system administration of UNIX and Redhat Linux Servers
• Managed Linux workstations and SUN Solaris servers.
• Performed OS Upgrades and Patches loading as and when required.
• Installed patches and other software packages for Linux and Solaris.
• Configured and maintained NIS, NFS servers on Linux.
• Configured Hardware and Software RAID on Linux Servers.
• Disk and File system management through Linux logical volume manager and Solstice Disk Suite on Solaris.
• Installed and configured Oracle 7, 8i and also installed Oracle patches.
• Created and modified application related objects, created Profiles, users, roles and maintained system security.
• 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 teh end users on Solaris and Linux based servers.
• Installed, Configured and supported Sendmail 8.14.1 on Sun Servers.
• Troubleshooting Backup and Restore problems.

Environment: Redhat 3.x, 4.x, Sun Solaris 8, 9, AS 2.1 EL 3.x, Solstice Disk Suite, Oracle 7, 8i, Sendmail 8.14.1, SunFire E250, E420R, E450, v480, Sun StorEdge L280, Sun StorEdge A1000, A5000 JBODs, Compaq DL 380, 8500, 6500.

Confidential

UNIX / Windows Administrator

Responsibilities:

• Installation, Upgrade and configuration of Redhat Linux AS 2.1, RHEL 3.x, 4.x Sun Solaris 8, 9 and Windows 2000, 2003 servers.
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software in teh Active Directory environment and NIS domains.
• Managed performance of teh server and resolved issues with Virtual Memory and swap space on operating environments.
• Configuration and administration of DNS (Bind on Linux), Web (Apache), Mail (Exchange 2003), DHCP and FTP Servers in Solaris and Linux servers.
• Written Shell scripts to run Batch Jobs using cron and at.
• Implementing RAID for high availability and mirroring root drives using Solstice Disk Suite and SVM. Also worked with OBP during teh process.
• Configuring modems and printers on Windows and Linux (CUPS) Servers.
• Documenting teh configurations, changes made on any part of System and Network.
• Involved in Backup of data on DAT tape drive, security, performance and availability of system and network.

Environment: Redhat Linux 3.x, 4.x, Windows 2000, 2003, Exchange 2003, Apache 1.3.x, IIS 5.0, 6.0 and Oracle 8i, 9i, Sun E450, E250, SPARC stations 20, Dell 6400, 1250, Dell DAT tape drives.