Excellent UNIX / Linux Administrator
(Current NC, Anywhere)
Reply to:
anon-1872@myaarzoo.com
Posting Date: 2006-02-22, 8:12 AM PST
Posting id:
1872
Availability - Immediate
Current Location - NC
Relocation - Open
Summary:
· Around 14 years of experience in Information Technology.
· 5 years of experience in Unix administration and Enterprise Server Integration and Installation.
· Experience in System Administration of Sun Solaris 9 and 10, Sco Unix (ALL Versions), Red Hat Linux ES 3.0, Redhat ES 4.0, 9, 7.3, Fedora Core 2, AT&T Unix SVR 4.0.
· Some working knowledge in AIX 4.3, HP-UX 10.00 and 11.00, IRIX 6.5.
· Integrated and Configured Sunfire 4800.
· Knowledge of SunFire 6800.
· Installed Oracle 7.1 version, Oracle 6.0, Windows 95/98/NT/2000, Office 97, Office 2000 (Professional), Windows 2000 (Professional) (Installation only of all the above).
· Knowledge on Veritas Volume Manager 3.x.
· Installed of version control software CVS 1.11.13 on Redhat Linux.
· Knowledge of NAS and SAN.
· Brain Bench Network Technical Support Certified.
· Worked on Korn, Bourne and bash shell scripting.
· Basic knowledge of perl programming.
· Knowledge on Fortran, Cobol, PL-1, Basic, HTML, Oracle, Msoffice.
· Solaris 9 training certificate from SUN.
TECHNICAL SKILLS:
Hardware: SunFire 4800, 6800, Sun E-3500, 4500, 6500 , Sun sparc Ultra 4&5,
Sun sparc 10,20,30,SGI Challenge Series, IBM RS/6000 e Server P ,
HP9000, SGI O2, Indy machines and NCD Terminals, Compaq Proliant,
Dell Servers, Cisco Routers 7200 & Switches catalyst 5000.
Operating Systems: Solaris 9 and 10, Redhat Linux 7.3, 9.0 , Fedora Core1, 2 and 3, Redhat,
ES 3.0, SuSE Enterprise 9 (SLES9) with SP2, ScoOpenserver ,Unixware
ScoUnix (all Versions), Aix4.3, HP-UXver11.00 and 10.00 , IRIX 6.5,
and 10.00, IRIX 6.5,Windows 2000 professional, Windows me.
Web Servers: Apache , Jakarta Tomacat and Resin,
Application Servers/
Database Server: Jboss, Postgres 7.3.2, Mysql, Oracle 6.0 and Oracle 7.1 version.
Administration Tools: Powerbroker, Remedy
Firewall: Redhat Linux inbuilt firewall.
Storages: NetApps, MTI Gladiators, Auspex machines and EMC Storages.
Storage Softwares: Sun Volume Manager, Veritas Volume Manger, Polyserve.
Programming: Shell Scripting in Bourne,Korn and Bash.
Indexing Server, Bug Reporting Tool
& Version control software: Swish-e Bugzilla, CVS 1.1.3.
Certifications:
· Sun Certification training course on advanced Solaris 9 OE.
· Brain Bench Network Technical Support
Trainings Attended.
· SuSe Linux Advanced Training.
· SuSe Linux Certified Linux Professional (CLP) Boot Camp.
· Polyserve Linux Storage Clustering.
Professional experience:
Lowe’s Inc Oct 2005 – Feb 2006
Responsibilities:
· Working as Unix System Administrator for Unix Engineering Group.
· Day to Day activities include handling security issues like stale unix account cleanups, 90 day password changes, setting max age and min age , creating a list of umask permission for various users.
· Written scripts to do the above jobs in solaris and command line and advanced commands options in Linux.
· Used Redhat Enterpersie 3.0 and Suse Linux Enterprise Server 9.
· Used various AIX commands locking of invalid users using smit in AIX.
Environment: SuSeLinux Enterprise 9, Redhat Enterpersie 3.0, AIX
Novell JUNE 2005 – Oct 2005
Responsibilities:
· Installed SuSeLinux enterprise 9 using Autoyast for Bears and Sterns,NJ used yast for system administration purpose. Participated in projects in Alabama, New Jersey and Utah on various Novell projects.
· Installed polyserve storage projects
· Compass Bank – Alabama Installed Novell Zen Linux Management, SuSE Linux 9, Zen Desktop Management Software and Zen Desktop Agent.
· Did SuSe Linux Enterprise System Administration Jobs like connecting to Novell E-directory etc.
· Utah – Provo – Installed Polyserve storage software and made membership partitions on EMC Clarion storage Devices.
· Installed SUSE Linux through Autoyast via NFS and HTTP on Dell Servers.
Environment: SuSeLinux Enterprise 9.
Hardware: Dell Blade Servers
DXTechnologies, Austin,Tx DEC 2003 – JUNE 2005
(Subsidiary of First Software Corporation, Singapore)
Responsibilities:
· Worked as Unix/Linux Administrator for a Singapore Based Corporation.
· Maintaining Solaris x86 Solaris 10 and Redhat Linux 7.3, Redhat 9.00 and Redhat ES 3.0 and 4.0 on Intel based servers.
· Done installation and Configuration of Web servers like Apache, Jakarta Tomcat, Resin and Application Servers like Jboss, indexing packages like swishe etc. Performance optimization of Redhat and Databases like Postgres 7.3.2 and mysql.
· Monitoring Garbage collection through various utilities like JVMSTAT on local servers and remote servers. Invocation of JavaHotspot on recent Java SDK 1.4.2.01 and allocation of Heap sizes Min and Max and stacksize on the same. Running Jprofiler for monitoring the same.
· Used Webalizer for monitoring webserver logs. Worked on recent Solaris 10 on Intel machine, did zone partitions on the server.
· Installed Fedora core 2 having kernel 2.6.
· Used utilities like VNC, Nessus and Port Monitors.
· Wrote Scripts for software Deployment in Bash and Ksh.
· Installed and Configured Version Control Software CVS ver 1.11.13. Have the knowledge of Committing and Checkout through command line commands. Used LinCVS for accessing CVS server from the client end.
· Did installation of Bugzilla on Intel 86 for bug tracking which is being used by software testing group.
o
Environment: Redhat Linux 7.3, Redhat 9, Fedora Core 1,2 and 3, Redhat ES 3.0 and Solaris 10 x86.
Hardware: Dell Server and Intel Boxes.
o Sun Microsystems (Professional Service), Plano, TX JUNE 2002 - DEC 2003
Responsibilities:
· This project was done for Reliance Infocomm, Ind
· Integrated and configured Seven 4800 Sunfire Enterprise Servers at each site i.e. Mumbai, Hyderabad, Faridabad and Kolkatta.
· The enterprise server was integrated with Netra 1405, Netra T1, SCS Secure Login Server 1620, Magnum 4K Switch, and Monitor/Keyboard.
· The Netra 1405, Netra T1 was configured with appropriate Telecommunication equipment.
· Installed Solaris 8 on all the Seven 4800 Sunfire Servers, Configured Domains, Netra 1405 and Netra T1 at each of the Sites and ran the pre-production tests before the machines were moved to production.
Environment: Solaris 8.
Hardware: SunFire 4800
Motorola, Arlington Heights, Illinois DEC 2000 – MAY 2002
Responsibilities:
· Working in After Hours Support (AHS) 24x7 environment in level 2 tier.
· The main objective was to keep the machines running, troubleshoot the various problems in varied UNIX platforms mainly Sun Solaris in NIS, NIS+ and DNS environment.
· Physical Monitoring of storage devices like MTI Gladiators, Netapps and Auspex storages.
· Create remedy tickets for each problem and resolve it. Worked on Level 2 support. Provide support to Clearcase dept involving problems in Vobs , Views etc.
· Interacting for day to day problem solving with various depts. Such as database division for oracle, Informix and ciclops, with network dept for problems pertaining to network problems, with data warehouse dept for backups and restores and providing support to the customers (internal within Motorola and external to their world wide offices during after the hours of the normal working time and solving the various issues on day to day UNIX problems.
· Created tickets using remedy and trouble shooting various problems of the customers. Managed NFS issues like Stale NFS file handles, mount etc. Managed Printers, print servers and solved various print issues.
· Used already written scripts to solve various issues. Monitored Cron Jobs.
· Power Cycling Various Servers whenever there were hanging issues and during power outages.
· Handled issues regarding Ciclops, Oracle and Informix applications with the help of team members.
· Handled issues regarding Sambha Servers.
· Handled issues regarding AIX 4.3, HP-UX and IRIX 6.5.
o Environment: Sun Solaris 2.6, 2.7, 2.5.1, SunOS 4.3.1, AIX 4.3, IRIX 6.5, HP-UX-11.0
o Hardware: Sun E-3500, 4500,6500 , Sun sparc Ultra 4&5, Sun sparc 10,20,30, SGI Challenge Series, IBM RS/6000 e Server P Series, HP9000, SGI O2, Indy machines and NCD Terminals, Compaq Proliant, Dell Servers, Cisco Routers 7200 & Switches catalyst 5000.
Storages: NetApps, MTI Gladiators, Auspex machines and EMC Storages.
o Westchester County, White Plains, NY JUNE 2000 - NOV 2000
Responsibilities:
· To manage filesystem and kernal performance tuning under Sco Unixware. Also maintain the machines such as Dell Servers and Unisys machines loaded with Sco unixware and Unisys mapper and Informix.
· The Sun E35x was running on Sun Solaris mainly being used for CAD/CAM purposes.
· AIX 4.3 was running on IBM RS/6000 where issues of password, process monitoring etc were done by invoking SMIT and smitty.
· Maintain the machines such as Dell Servers and Unisys machines installed with Sco unixware and Unisys mapper and Informix.
· Maintained Sco UnixWare 7.0.1
· Maintained Sun Solaris 5.6
· Managed CoinServer and retrieved data from various connected to Solaris Server.
· Troubleshoot already written scripts in ksh.
· Wrote and maintained cronjobs.
· Solved remedy related tickets concerning Solaris, AIX and Sco OS.
· Created users and assigned them required rights and privileges using Admintool.
· Extensively used tools such as grep, sar, sarcheck, ps, top etc for monitoring system performance.
· Performance tuning of Kernal both at O.S and Application levels.
· Used scheduled backup utility in Sco Unixware to take backups.
· Installed third party softwares through pkgadd.
Environment: Sun Solaris 5.6, Sco Unixware 7.0.1, AIX 4.3.
Hardware: IBM RS/6000, Sun Server E35x, Unisys Server & Dell Server with RAID ,EMC Box, Dell optiplex GXI and Gxa, Cisco Routers.
Central Excise & Customs DEC 1999 to APRIL 2000
Responsibilities:
· Installation of SCO-OPEN SERVER 5.0 through Interactive mode.
· File space management.
· Maintained security at the highest level.
· Recognizing and fixing file access problems.
· UNIX was fine-tuned for optimum performance and 64 terminals were connected through a terminal server with backbone connectivity through UTP.
Environment: SCO-UNIX OPEN SERVER 5.0, Oracle 7.0 installation & Central Excise & Customs package (Sermon).
Hardware: Intel Pentium - II 400 MHz server.
o
o Employees Provident Office, India FEB 97 to NOV 99
Responsibilities:
· Installed SCO OPEN SERVER 5.0 intensive use of tools such as grep and sar for monitoring system performance.
· Performance tuning of Kernal with Nproc, Nbuf , Nproc, Ulimit and Semaphores.
· Configuring modems, CDROMS and helping users to login remotely and perform server based tasks.
· Configured and installed HCL-HP LAN Terminal Server (LTS).
· Submitting various types of cronjobs.
· Trouble shooting of UNIX Problems.
Environment: SCO-UNIX Open Server 5.0
Hardware: Intel EISA 486 Servers and Pentium Servers.
Maharashtra State Electricity Board FEB 97 to MAR 97
Responsibilities:
· Installation of Sco Open Server 5.0.
· Creating file Backup on 1.2 GB tape and DAT tapes using sysadmsh.
· Setting of Swap area, filesystems and ULIMIT for Oracle installation.
· Setting printer and scheduling printer spoolers and monitoring print jobs.
· Configuring LAN through netconfig.
· Adding SCSI hard disks, SCSI Tape drive, SCSI and IDE CDROM drives.
· Using div vy for changing user’s file system.
· Usage of telnet, finger, ping, netstat, trace and other networking features.
· Training to M.S.E.B employees.
Environment: Sco Open Server 5.0 on Intel 486 server and also Oracle Workgroup Server 7.0 for Unix.
Hardware: Intel Pentium Servers.
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