SUMMARY:

• Over 4+ years of experience in technical support and maintenance of networks.
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX, Linux (RedHat & SuSE),Windows 2003 server
• Expertise in Administration of AIX 4.3 ,5.1 ,5.2 ,5.3, 6.1
• Installation/Administration of AIX on RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality
• Configured and Administrated HACMP 4.5,5.1,5.2
• Migrated from HACMP 4.3 to 5.1 and from HACMP 5.1 to 5.2
• Worked heavily with TSM in all environments including AIX, Linux, Windows and all other UNIX O.S
• Installation, upgrade and configuration of TSM clients & servers for HP, SUN, AIX, Linux and Windows servers
• Configuring and administration of weekly mksysb backup on AIX servers.
• Installation of patches, Security fixes, packages on AIX, Linux and Windows NT/2000 Servers
• Installation, Configuration and administration of LPAR's.
• Installation, administration of VIO Server and VIO client LPAR'S.
• Configuring and administration of NFS server and NFS client.
• Configuration and administration of Fiber Adapter's and handling AIX part of SAN.
• Installed and Configured Web Sphere Application Servers on Linux and AIX.
• Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0 on AIX and Linux.
• Performed NT and UNIX Network System Administration, including adding NT and NIS domains, creating new users and groups with multi-levels of security, creating assign file attributes & permissions, defining network protocols, insuring TCP/IP and router connectivity
• Installed and Configured DB2 on AIX OS Server
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environment.
• Migrating AIX OS from AIX 4.3 to 5.1, 5.2, 5.3 and 6.1 on 520, 550, 610 ,RS/6000 Servers
• Installation, configuration and administration of IBM Web Sphere Application Server V4.0, on AIX along with DB2 UDB & IBM HTTP server with SSL for secure communication & providing technical support to users
• Experienced and familiar with tools like SMIT and SMITTY
• Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and UNIX
• Experienced in implementing the workload Management (WLM) using cloning and clustering
• Experienced in writing scripts such as Korn Shell (ksh) and perl
• Experienced in DNS, NIS, NFS, LDAP, sendmail, ftp, remote access, security management, and system troubleshooting skills
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community

TECHNICAL SKILLS:

Operating Systems: IBM AIX 5L, 5, 1, 5.2,5,3, Linux (Redhat, SUSE 10), Windows 2000/NT4.0, Sun Solaris. MAC8.1/9/10 and OS2.
Hardware: IBM RS/6000, pSeries 630, 650, 660, 670, 9118, SUN Enterprise 450,N3300,N3700,N5200 and DS3200
Web/Application Servers: WebSphere Application Server 3.5/4.0, Netscape/iPlanet Server, MQSeries,WebLogic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB
Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.
RDBMS: IBM UDB2, Oracle 7.x/8.0/9i, MS-SQL Server 7.0/6.5 and MS-Access 97/95
Programming Languages: C, C++, Java, Servlets, Jsp, EJB,VB, JavaScript, HTML, Perl and Shell programming.
Applications: HACMP, Tivoli (TSM), Veritas NetBackup,HMC

WORK EXPERIENCE:

Confidential, Bloomington, IL July '11 – till date
AIX System Administrator

Responsibilities:

• Installation and maintenance of AIX 5.3 and 6.1 Systems.
• Administration of AIX Operating Systems.
• Configured and administrated VIO server and Lpar clients.
• Created, configured and administrated redundant VIO Lpar's
• Configured and administrated Lpar profiles through HMC
• Installed NIM servers
• Configured and administrated VIO servers.
• AIX systems administration and Disk Management using SMIT.
• Logical Volume Management (LVM) of AIX.
• Configuration HACMP on Oracle servers
• Secured OS based on corporate security guidelines
• Implemented departmental backup processes on servers
• Performed testing of the AIX environment.
• Daily backup and restore operations.
• Installed and Configured Monitoring tool RSM on AIX servers
• Worked on issues alerted on RSM tool related to OS, hardware

Confidential, Minneapolis, MN June '10 – June '11
AIX/Unix Sys Administrator

Responsibilities:

• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
• Configured and administrated Lpar's.
• Configured and administrated VIO server and Lpar clients.
• Administration Tasks included User administration, Performance, Sendmail. Weekly mksysb.
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online).
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN's back.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Dealing with user id deletion with removing entries from CRONTAB.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Installed and configured AIX 4.3, 5.0, 5.1 ,5.2 ,5.3 and 6.1 on RS-6000's, creating the root volume group application/backup volume groups, logical volumes, and filesystems (JFS) on RAID Level 5 with appropriate data stripping for protection, and for the optimal performance of the RS-6000 Servers within a High Availability system using DASD, DCE and DFS services.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and recovering
• Installed and configured Sudo for users to access the root privileges.
• Installed application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Migrated database applications from Windows 2000 Server to Linux server.
• Installing and setting up Oracle9i on Linux for the development team.
• Wrote shell scripts for automated installations, to extract logs.

Confidential, Chicago, ILSep '08- May '10
AIX Administrator

Responsibilities:

• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
• Configured and administrated Lpar's.
• Configured and administrated VIO server and Lpar clients.
• Administration Task's included User administration, Performance, Send mail. weekly mksysb
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 (online).
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters and LUN's Configuration.
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Dealing with user id deletion with removing entries from CRONTAB.
• Installation, configuration and administration of IBM Web Sphere Application Server V4.0, on AIX along with DB2 UDB & IBM HTTP server with SSL for secure communication & providing technical support to users
• Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0 on AIX and Linux
• Installed and migrated Websphere MQ server for AIX version 6.0.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Installed and configured AIX 4.3, 5.0, 5.1,5.3 on RS-6000's, creating the root volume group application/backup volume groups, logical volumes, and file systems (JFS) on RAID Level 5 with appropriate data stripping for protection, and for the optimal performance of the RS-6000 Servers within a High Availability system using DASD, DCE and DFS services.
• Designed and configured Ethernet VLAN's with RS/6000 IBM Servers, Cisco Routers (2500/2600 series) and Cisco Switches (Catalyst 2912) utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on the WAN.
• Configured Work Load Management (WLM) for IBM Web sphere Application Server.
• Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and recovering
• Installed and configured Sudo for users to access the root privileges.
• Installed application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Migrated database applications from Windows 2000 Server to Linux server.
• Installing and setting up Oracle9i on Linux for the development team.
• Wrote shell scripts for automated installations, to extract logs.