SUMMARY

• Six years of IT experience specialized in System Administration, Server builds, working on UNIX Sun Solaris, AIX, HP - UX, Linux and Windows NT/2000 environments.
• Install, Upgrades, Patch, Configuration, maintenance, monitoring and Performance tuning on UNIX Sun Solaris, Linux, HP-UX, AIX system software and hardware.
• Support and maintenance of Sun Ultra Enterprise & Sparc servers (M3000,M4000, M5000,M8000,T2000,T5140,T5240,T6000,E3500,E4500,E450,E420R,E250),SunFire 6800/4800/3800/ v880/V480/V240/V210/V440/280R/15K/25K), Sun workstations (Ultra 5, 10, 20, Blade 100,150, 2000).
• Installing, upgrading and configuring Redhat Linux 4, 5 and 6 Using Satellite Servers.
• Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring
• Problem determination and troubleshooting, Security using SSH and Shell Scripting.
• Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, Web Sphere, Web Logic, and iPlanet Application Servers and created domains and managed servers.
• Expert in installing, configuring and implementing the RAID Technologies using various tools like Solaris volume manager.
• Experience in kernel fine-tuning of Linux system
• Expert in Deploying Enterprise Java Beans and J2EE Applications and Monitoring the Application servers and Web servers, troubleshooting performance issues using the Log messages and Log files.
• Resolving system errors and crashes, huge file sizes, file system full errors and Installing network Printers and rectifying the Printer problems over the net work.
• Configured Networking Concepts Jumpstart, DNS, NIS, NFS, LDAP and AUTOFS, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, Firewalls, Intranet.
• Expertise in Ticketing systems problem and change management in REMEDY, MANAGE NOW, specialized Change ticketing system in EESM change client and work order distribution system Maximo.
• SQL and data manipulations on ORACLE database.
• Strong knowledge of Object Oriented Programming Concepts in Java.
• Strong exposure to Web sphere administration and Web logic administration.
• Team Player and self-starter possessing effective communication, motivation and organizational skills combined with attention to detail and business process improvements, hard worker with ability to meet deadlines on or ahead of schedule.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 8, 9 & 10, Red Hat Linux ES & AS, HP-UX, IBM-AIX, Windows 95, 98, ME, XP, Windows NT4/2000 & 2003 - Server OS, VISTA. VMWare ESX 3.5 & vSphere 4/5.

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250)Sun Ultra SPARC T5120, T5220 & SUN SPARC M3000, M4000, T5140, T5240MID RANGE- SUN SPARC M4000, T5440, M5000Sun Fire ( 6800/4800/3800/ v880/V480/V240/V210/V440/280R/15K/25K)Sun workstations (Ultra 5, 10, 20, Blade 100,150, 2000)HP Super dome 9000/800/SD64000IBM Power6 P550, P595s, P570s and RS6000.

Tools: Solstice Disk Suite, Send Mail, Admin Tool, Ufsdump, Ufsrestore, Legato Networker, Samba.

Tape Hardware: StorageTek tape libraries L40, L80, L180, L700, SL500, SL8500, DAT & DLT, STK 9940B, 9840B, LTOs

Languages: Java, & J2EE (Servlet, JSP, JDBC, EJB), XML, HTML, Perl, Shell Scripting Korn, Born, Bash and knowledge in C/C++.

Protocol: TCP/IP, UDP, HTTP, NFS, NIS, DNS, SMTP, SNMP

Servers Maintained: Application Servers, Database servers, Web Servers, DNS Server, NIS, LDAP, NFS, FTP server.

PROFESSIONAL EXPERIENCE

Confidential, NC

UNIX Administrator

Responsibilities:

• Installing, configuring and maintaining Linux and Solaris servers.
• Build virtual linux servers using VMware Infrastructure client and building Solaris virtual zones and working in Oracle cluster environments.
• Configuring Backup on Linux/Solaris Servers Using Tivoli Storage Manager. Working closely with Storage Team for SAN Allocation and Mounting NFS Servers from NetApp Filers.
• Research, validate and apply patches.
• Monitor system availability and performance.
• Worked closely with backup team in getting issues resolved.
• Experienced working with sudo, Vintella Authentication and Powerbroker.
• Monitor performance, troubleshoot and resolve alerts/warnings from commercial, open source and locally developed monitoring tools.
• Provide daily support of solving problem tickets, work orders and work requests through BMC Remedy.
• Developed Cron jobs and Shell Scripts for automating administration tasks like file system management, process management, Server reboots etc.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Installed/Configured the WebSphere server, JBoss application server, Weblogic server; Managed tuning and performance of high profile applications running on them.
• Coordinated with vendors in repairing failed systems.
• Installed Apache web server proxy front-end for Application Servers.
• Installed, configured and maintained web centre public site on apache and VMware tomcat with high availability.
• Troubleshooting production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
• Provide on call production support.

Confidential, Charlotte NC

UNIX Administrator

Responsibilities:

• Installation/configuration of Redhat 4/5/6 using kickstart Server and Solaris 9/10/11 using Jumpstart.
• Performing Post Build activities like Setting up Backup interface/ NIC bonding/ Loading additional Packages/ Joining the server to Active Directory, etc
• Worked with EMC SAN to acquire storage and setting up LVM file-systems.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Worked on creating Virtual machines using VMware and CHP software.
• Experience with working on Solaris Zones/Containers.
• Performed hardware, operating system, security and application updates/patches on these systems as well as operating system hardening based in industry standards.
• Experienced working with sudo, Vintella Authentication and Powerbroker.
• Experienced working on Datacenter Migration Projects.
• Installed/Configured the WebSphere server, JBoss application server, Weblogic server; Managed tuning and performance of high profile applications running on them.
• Installed Apache web server proxy front-end for Application Servers.
• Installed, configured and maintained web centre public site on apache and VMware tomcat with high availability.
• Integrating Weblogic Environments with Apache web server 2.2 for reverse proxy.
• Created self-sign certs and installed vendor's certs for Apache, iplanet web server.
• Apache web server administration performance tuning, security and module programming.
• Working Knowledge of Network Protocols such as NTP/ NIS/ TCP/ DNS/ DHCP/ HTTP/ SMTP/ SFTP/ FTP/ SCP/ NFS.
• Worked with Enterprise Security Manager to get Security for servers before moving them in to production.
• Developed Cron jobs and Shell Scripts (Perl, ksh, SED, AWK) for automating administration tasks like file system management, process management, Server reboots etc.
• Worked on Datacenter Moves where servers were moved from one datacenter to another.
• Working very closely with vendors (IBM/HP/Sun/EMC) in resolving any hardware/ Storage and Network issues.
• Monitoring the system performance and doing the kernel tuning to enhance the system performance.
• Working knowledge on ITSM remedy and Maximo ticketing systems.
• Troubleshooting Production Server Problems related to web applications, Sendmail, disk space, file system, DNS and network connectivity.
• Provided 24/7 on-call support on a weekly basis.

Confidential, Milwaukee, WI

UNIX Administrator

Responsibilities:

• Advanced Installation of SUN Solaris 8/10 and Red Hat Linux by remotely and physically.
• Booting process administration at Open Boot Prom level in SUN Servers.
• Software/ Package security and Patch Management in Solaris, HP and Linux.
• Worked on Smitty AIX, SAM HP-UX and Admin Tool in Solaris.
• Server virtualization Solaris10: Soft Partitioning, Zone/ZFS Creation & Mounting.
• Creating LDOM (Logical Domains)onSUNSPARChardware,allocatingresources like disks, network IPs, CPU’sand memory upgrades.
• Worked on troubleshooting and tuning Linux systems down to the kernel level.
• Printer Configuration and Administration - Local, Remote, Network on all flavors of UNIX.
• Production issue fixes of application like app bounce and web servers.
• Automation of repeated jobs by writing up customized scripts in using Bourne and Korn Shell.
• Monitoring System Performance - Virtual memory, System events, Swapping, Disk utilization, CPU utilization.
• Installed and configured IBM Tivoli distributed monitoring TMR Framework and configured agents on UNIX and Wintel servers.
• Setup and fine tune the thresholds of monitoring parameters on the TMR server.
• Automated Remedy ticket generation for the critical events in the Tivoli Event Console.
• Troubleshooting of NFS servers, NFS Clients in Auto Mount Environment.
• Solaris IP MultiPathing configuration.
• Solaris Volume Manager/Solstice Disk Suite for Disk Device Management.
• Configuration of SAMBA Server to communicate in heterogeneous networks with MS-Windows.
• Sun Solaris migration from different operating systems.
• Configuring SUDO and granting root permission to users for performing certain activities.
• Dynamic Reconfiguration in Sun High-End Servers.
• Installation, Configuration and Maintenance of Web Servers, Application Servers and Database Servers on Sun Solaris and Linux Servers.
• SSH installation and configuration.
• Design, configuration, implementation of Web Operations environment with Apache 1.2.x Web Servers. Installation and configuration of Web logic 6.2 application server.
• J2EE application and web servers support JBOSS, Web logic, I-Planet, Web sphere, & Tomcat for installation, configuration, troubleshooting, start, stop, upgrade and code deployments on all the production and testing servers.
• Solaris Resource Management, and Configured virtual environments using Solaris 10 Zones.
• Administered Domains on Sun Fire Enterprise Servers.
• Installed & Configured the LVM in HP and Linux. Created Volume Groups, Physical Volumes and Logical Volumes using vgcreate, pvcreate and lvcreate.
• Testing various security patches on the test servers and rolling it to all the production servers according to maintenance windows.
• Cleared up the Solaris, HP, AIX and Linux operating systems performance issues.
• Handling CPU panic, memory problems and other hardware failures with coordination of vendors.
• Configured FTP, Telnet, sFTP, SSH, iptables and SUDO upgrades for the servers.
• Configured EMC/SAN disks in Solaris and Linux servers.
• Scheduling Off time and Overnight Backup Strategies.
• Implemented a performance data collection script, via the NMON performance tool, on 6 AIX servers which run the OPAL application.
• Monitoring of Server hardware, CPU Utilization, File system Thresholds utilization failures through HP Open View and resolve the issues by connecting to the boxes directly through telnet
• Installed and maintained several two node Clustered servers in both MC Service guard.
• Creation of cluster resources and fail over the cluster resources/ packages.
• Switching over the service groups between systems depends upon requirement.
• Performed HA testing on both VCS and MC Service guard and validated the HA environment
• Handled and provided support for critical tickets for production servers.
• Vendor co-ordination for new installation, up gradation and failure devices.
• Writing scripts using Bourne and Korn Shell.
• Providing scheduled on-call rotation support. Available via pager 24/7 to resolve production problems.

Confidential, Phoenix, AZ

UNIX Administrator

Responsibilities:

• Installed, configured and managed Solaris 8, 9 and 10 on Sun Enterprise systems, Administered, maintained AIX, HP-UX and Red Hat Linux Troubleshooting Hardware, Operating System Application & Network problems and performance issues.
• Configured and Administering Solaris Jumpstart Server, AIX NIM Server and Linux Kick start Server.
• Support Sun and Intel servers with Solaris and Linux operating systems
• Installed and configured Solaris 10 servers with Zones and containers on SUN M5000 and T2000 Servers with SUN ZFS
• Server Virtualization using Solaris Containers (zones) and VMWare.
• Creating Sun virtualization zones/containers/LDOMS(logical domains )
• Support J2EE application and web servers like JBOSS, Web logic, Web sphere, & tomcat for installation, configuration, troubleshooting, start, stop, upgrade and code deployments on all the production and testing servers.
• Configured back up (Adsm network), FQDN, on all the production and QA servers before sending them for team.
• Collected WWN numbers of all the servers for SUN storage LUN allocations.
• Checked all the QA and Production for oracle readiness.
• Did SAN visibility on QA, Production, and database servers on both paths accordingly.
• Mirrored volumes on the entire x86 and Sun Sparc servers.
• Created NFS, UNIX admin mount point, and patch installation of all QA servers.
• Trouble shooting the issues with binding Apache instance to port 80 on testing servers.
• Administration and Troubleshooting Solaris servers running business critical application Web Sphere (WAS) applications.
• Administration for E15k and E25k's. This involves creating domains, adding/deleting system components
• Installed, Configured and supported Oracle HA resource groups
• Installed and configured SAMBA server for windows and Linux connectivity.
• Worked on BMC patrol tool monitoring for monitoring various applications and networks.
• Installed and Configured Sun availability Suite 3.5 to implement Point-in-time snap shots and remote mirroring.
• Written Shell Scripts to collect the System performance Information, account information on a daily basis.
• Implemented NIS and NFS for administrative and project requirements.
• Setting up the thresholds on the parameters (CPU/Memory/Disk/Network) and alerting the users when the usage reaches the thresholds.
• Tuning the kernel parameters based on the application/database requirement.
• Upgraded firmware patches in FCAL disk, storage controllers and Sun Fire Server system boards
• Configuring SUDO and granting root permission to users for performing certain activities.
• DST patching Administration of Application & Web (Web logic, Mail server) servers.

Confidential

UNIX Administrator

Responsibilities:

• Installed and configured hardware and OS on servers, workstations and I/O devices on E4500 environment.
• Responsible for DNS and Configured DNS Servers and Clients and troubleshooting system and DNS issues.
• Installed and configured new hard drives and memory.
• Used Admintool for adding and managing new users, groups, software and printers.
• Involved in disk configuration and disk crash recovery using format and fdisk, Bad spots on disk was repaired using repair and analyze. Created new slices, mounted new file systems and unmounted file systems.
• Created Korn shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Involved in preparation of functional and system specifications. Estimated Storage requirements for applications.
• Installed of all the required Software, patches, documentation, licensing trouble shooting.
• Setup various user profiles, environment variables/security to ensure smooth operation.
• Responsible for fax link and send mail.
• Used smitty (AIX) tool for Printers, Applications, Processes, Services, Software License Management, Software Installation, Users and Security Management.