Unix Systems Administrator at AMEX
American Express (Technology Operations)
World Financial Center , New York
Aug '00 -Mar '01
Unix Systems Administrator
Installed, configured and administered Sun
Solaris 2.6/7/8 (Sun Ultra Enterprise Servers 450/3500/4500), IBM Aix 4.3 (RS6000),RedHat Linux 6.1
Primarily Supporting Database Servers (Oracle,Sybase,Db2) and Applications Servers
(Maconomy ,Cognos,Web-Application/Java development) .
Configured and administered Sendmail (Solaris and Aix Servers Network).
Automated scripts for Performance
Analysis,System Monitoring and Backups
Installation and configuration of proxy servers and directory servers (LDAP) (iPlanet proxy
server on 220R/420R SUN Enterprise Servers running Solaris 8 )
Installed Solaris 7/8 from scratch with Disksuit (Mirroring) ,Adminsuit ,Oracle, Installed and configured Apache (for group developing cognos cubes ).
Installed and configured Java ide software
(IBM's Visual Age for Java), Web Application Server (IBM's WebSphere) and Oracle 8i .
Administered Automounter and NFS protocols.
Installed patches and maintained operating systems.
Installed Solaris Operating System using Jumpstart technology using mirror image from hard-disk and remote cdrom drives.
Unix and Windows NT Backups are scheduled and maintained using Cheyyene's Arcserve Backup Agent
Verification of daily rootlogs and repairlog activities and Troubleshooting .
Defined rules as well as generated weekly reports on System Activities .
Wrote shell scripts for production and development machines.
Managed auditlog files and Oracle logfiles review and escalation.
Modified user privileges, Cron jobs and File/Directory permissions.
Created users, allocated quota and granted permissions.
Monitored space growth and planned upgradation of systems.
Installed and configured LUM Software ( License Use Management).
Environment:
Sun Solaris 2.6/7/8, IBM Aix 4.2.1/4.3, Oracle 8i,
Java,TCP/IP, NFS, Hummigbird's Exceed, Remedy Helpdesk, Windows NT 4.0, Solstice Adminsuit ,
Solstice Disksuit, Cognos ,Maconomy,Apache Webserver,iPlanet/netscape proxy server.
