System Administrator Resume

EXPERIENCE SUMMARY:

I have 5+ years of IT experience and relevant to UNIX (Solaris and Linux) system administration and Support activities 4+ Years.
Have a good exposure and problem solving skills in Sun Solaris 9 & 10 and Redhat Linux 4, 5 & 6.

TECHNICAL EXPOSURE:

Operating System: Solaris 9 & 10,Redhat Linux 4,5 & 6.

Protocols: TCP/IP, FTP, TELNET, SSH, ARP, SMTP and HTTP

File Systems: ext2, ext3, ufs, hsfs, pcfs, procfs, tmpfs and autofs

JOB PROFILE:

Confidential

System Administrator

Responsibilities:

Installed and updated Packages in Linux and Patch & Packages in Solaris.
Troubleshoot User issues & Application issues.
User & Group Level Administration.
Configured TCP wrappers for access control to system by authentication based on service, domain using /etc/hosts.allow, /etc/hosts.deny in Linux.
Installation, configuration and maintenance Samba server, FTP servers, SSH servers, NFS, NIS and Squid servers on Sun Solaris, and Linux platforms.
Used System tools like prtconf, prtdiag - V, format, and Open Boot Prompt commands to recover the system.

Confidential

Security Administrator & Information Security Administrator

Responsibilities:

Installing, upgrading and configuring SUN Solaris 9 &10 on Sun Servers and Redhat Linux 4, 5 & 6.
Access to user Security Maintenances System in Madras & Bombay Regional Data Center for Asia Pacific.
I have handled Entitlement review and prepared Auditing data.
Worked on VSR, VR, CMP, RFC, RFA, VR & VT ticketing system for production & UAT issues.
Administration & maintenance of Boks server.
Installing and maintaining packages like SEOS, Powerbroker for security, monitoring purposes, Power broker for network security and monitoring.
Configuring and Troubleshooting of various services like NFS, SSH, Telnet, FTP on UNIX platform.
Managing Disk File Systems, Server Performance, Users & FID Creation Individual servers & Boks server and Granting File Access Permissions.
Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
Maintaining and changing file systems & meta disk assignments using Solaris Volume Manager.
Created and modified swap files and added swap space in Red hat Linux and Solaris.
Prepared Backup Schedule for Incremental & Cumulative Backups. Used tar, cpio, dd, ufsdump and Restore for backing up and restoring the files with different levels of backup methods.
Used System tools like prtconf, prtdiag - V, format, and Open Boot Prompt commands to recover the system.
To troubleshoot network connectivity, used ping, arp, ifconfig, rpcinfo and traceroute commands.
Monitor System Performance Parameters using ps, iostat, vmstat, prstat, netstat and top utilities.

Confidential

UNIX System Administrator and Hardware Networking Support Administrator

Responsibilities:

User Administration and Management
Configured Samba, HTTP, Sentmail, SQUID proxy server, SSH, FTP, WEBMIN and USERMIN in Red Hat Linux Enterprise Edition.
File permissions.
Package and Patch Administration.
Performing backup and recovery operations.
Used System tools like prtconf, prtdiag - V, format, and Open Boot Prompt commands to recover the system.
I have handled of windows Hardware & Networking Support related activities.

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