gurvin_unix
Resume:
Gurvin
**********@*****.***
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Summary:
• Around 8 years of IT industry experience as a System Administrator of various applications on Red Hat Linux, Sun Solaris.
• Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart Servers.
• Configuring and Administering NFS, DNS, NIS, NIS+ and LDAP on Sun Solaris server environment.
• Creating & maintaining user accounts, profiles, security, permission, disk space and process monitoring.
• Strong skills in Sun Solaris administration with Clustering and Volume Management Extensively worked on server builds.
• Disk Space management using Veritas Volume Manager, Veritas File System, Veritas NetBackup Upgrade servers from Solaris 7, 8, 9 to Solaris 10.
• Worked in Autosys to automate jobs.
• Expert in designing, implementing and maintaining UNIX clusters using Veritas Cluster Server on Solaris and Linux.
• Implementing Disk Mirroring and security.
• Installing, configuring and maintaining Linux, Solaris, HP Servers.
• Developed UNIX shell scripts using Korn, C Shell Scripting, SED, and AWK to ease the administration tasks.
• Worked on Solaris packaging and patching development.
• Good experience with Solaris Volume Manager and File System (SVM/UFS)
• Handled Kernel Tuning to enhance operating system performance.
• Experience in using Veritas Net Backup , Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio
• Adept in using BMC Patrol Monitoring Tools for Enterprise Management.
• Networking communication skills and protocols such as TCP/IP, Telnet, ftp, SSH, rlogin
• Experienced in EMC Navisphere to manage, discover, monitor, and configure EMC Clarion storage systems.
• Administering file systems and recognizing file access problems.
• Experience in Solaris Server - Client in open systems environment.
• Good communication skills.
• Capable of working independently and as a team member to deliver the results in the most efficient manner and ensuring a healthy working environment.
Education:
Masters in Computer Application (MCA)
Technical Skills:
Operating Systems: Solaris 8, 9 and 10, RedHat Linux 7.x, windows NT/ XP/2000/9x,
Windows 2003 and Windows XP,AIX
Hardware: SunFire series (3800/4500/4800/10k/15k), SunFire V440/880/1280, Sun Ultra, Sun Netra X1, Sunfire T Series (T2000/T1000, Enterprises series), IBM pseries 570,550,690,670,650,630.Linux HP Proliant DL 760, 580, 380, V/N/L/K/D, Peripherals like Tape Libraries like L100,L25 and Storage Arrays
Networks: NIS, NFS, DNS, TCP/IP, SSH, SFTP, LDAP, VMware, SNMP, SMTP
Protocols: TCP/IP, SNMP, FTP, HTTP
Open Source: Apache 1.0.x - 2.0.x; System imager, RADIUS, rsync, OpenSSH, Red Hat Linux 4.2 - 9; RPM 4.0 - 4.2; Samba 2.0 –2.2.8; Sendmail 8.x; TCL 8.0 - 8.3.4; TCP Wrappers 7.6
Tools/Technologies: EMC Clarion/ Navisphere, BMC Patrol, Volume Manager and
Netbackup 4.5/6.0.
Databases: Oracle 9i/8i/10g, SQL Server 2000,2005,MySQL
Storage and backup: Veritas Volume Manager, Veritas File System, Solistice Disksuite.
Clustering: Veritas Cluster 4.0/5.0, Sun Cluster
Languages and Korn, Bash and Bourne Shell, AWK and Sed
Scripting:
CitiGroup , Warren NJ July 2008 – Till Date
Unix/Linux Administrator
• Installation, Configuration , Maintenance and Administration of Red Hat Enterprise 3/4/5 using Kickstart , and worked on Windows 2003 Server.
• Troubleshoot networking and system related issues by systematic approach.
• Worked on solution for RHEL and hardware compatability issues faced while installation of RHEL 3 and 4.
• Applied patches on all Linux Boxes from common repository using RPM.
• Worked on installation of home based agents on all target servers.
• Worked on installation and registration of avamar client on all linux boxes.
• Installation of Graphical Packages on Red hat Linux, Solaris and AIX as per requirements.
• Create logical volumes using automation script.
• Installation, Configuration and Administration of NFS, NIS, DNS, Samba and Apache on Sun Solaris
and Linux platforms.
• Worked on installation of Powerpath on all Linux boxes.
• Administrated DHCP, DNS and Samba services in Linux.
• Working on evaluating new hardware and software.
• Responsible for Connectivity Issues among various Servers and Switches and also responsible for installation of various hardware components on various servers
• Troubleshooting Day–to-Day issues with various Servers on different platforms.
• Responsible for Kernel Tuning and RPMS installation on Linux Servers
• Configuring Back up solutions on SAN/NAS storage.
• Working with DBA’s to install and configure ORACLE Database, Oracle Apps
• System performance tuning and Monitoring file systems, Installation of S/W related patches.
• Configuration, Administration and maintenance of NFS, DNS, NIS & NIS+ on Linux Servers
• Responsible for patches for the operating system, building startup shell scripts, managing the automation of CRON jobs and managing file systems
• File system Administration, Setting up Disk Quota
• Implemented & Configured X-Windows for Windows users to connect to Linux Servers
• Troubleshooting logon problems, boot process and printing
• Responsible for designing High Availability Solutions for different applications, using Veritas Clusters/ Storage Foundation Suite.
Environment:
Red Hat Linux AS3.0/ AS4.0/ AS 5.0 ,AIX, Veritas Clusters, Veritas Volume Manger for Solaris for HA, Logical Volume Manager for Linux, VMWare ESX Server, Hitachi Disk Array, Apache 2.0, Bind 8 & 9, Solaris Disk Suite, NFS, Software RAID
Geico, Washington DC November 2006 – June 2008
Unix/Linux Administrator
• Installation, Configuration, Maintenance and Administration of Red Hat Enterprise 3/4/5 and Suse Enterprise Linux, Windows 2003 Server, and Workstation including Patches.
• Administrated DHCP, DNS and Samba services in Linux
• Working on evaluating new hardware and software.
• Responsible for Connectivity Issues among various Servers and Switches and also responsible for installation of various hardware components on various servers
• Troubleshooting Day–to-Day issues with various Servers on different platforms.
• Configuring Backup solutions on SAN/NAS storage.
• Managing backup and restoration of data using IBM-Tivoli Storage Manager, ufsdump/ ufsrestore
and vxdump/ vxrestore.
• Configuration, Administration and maintenance of NFS, DNS, NIS & NIS+ on Linux Servers
• Responsible for patches for the operating system, building startup shell scripts, managing the automation of CRON jobs and managing file systems
• File system Administration, Setting up Disk Quota
• Implemented & Configured X-Windows for Windows users to connect to Linux Servers
• Troubleshooting logon problems, boot process and printing
• Responsible for designing High Availability Solutions for different applications, using Veritas Clusters/ Storage Foundation Suite.
• Implementing & troubleshooting Veritas Clustering in Prod/ QA/ Dev environment.
• Adding & removing nodes from Clusters.
• Implementing data replication using Veritas Volume Replicator (VVR)
• Managing file systems; grow them on fly using Veritas volume manager or LVM.
• Configuring Virtual Machines under VMWare ESX Servers.
• Acquiring & Initializing LUNs in clustered & stand alone environments.
• Familiar with VMWare environment.
• Configure servers to use HTTP, DNS, NFS, IPMP, Disk Suite, Veritas Volume Manager, NetBackup Storage Disk configuration etc.
• Implementing software RAID at install-time and run-time on Linux
• Add, remove, and resize logical volumes on Linux
o Diagnose and correct boot failures arising from boot loader, module, and file system errors on Linux
o Configure trouble shoot backup issues. Perform manual backups & restore on Veritas NetBackup & IBM TSM(Tivoli Storage Manager).
• Troubleshooting Solaris network problems.
• Troubleshooting NFS and DNS problems.
Environment:
Red Hat Linux 8/ 9/ AS3.0/ AS4.0, Sun Solaris 8, 9 & 10, Veritas Clusters, Veritas Volume Manger for Linux for HA, Logical Volume Manager for Linux, VMWare ESX Server, Hitachi Disk Array, Apache 2.0, Bind 8 & 9, Solaris Disk Suite, NFS, Software RAID, TSM
First American Bank, Chicago IL February 2005 – October 2006
UNIX Administrator
• Installed, configured & maintained Sun Solaris 10/9/8/ on various SUN servers
• Strong experience and handled NFS, DNS, TCP/IP, NTP, DHCP.
• Daily Morning Health checks of Network & Servers.
• Installation and Administration of Veritas Volume Manager. Replacements of failed disks in the Veritas disk groups.
• Network Installation using Jumpstart.
• In NIS+ environment: Creation, Modification, Removal of User IDs in different groups.
• Managed centrally located NIS+ Tables
• Troubleshoot and found cause analysis for all the hardware and software problems related to the Sun servers. Conduct performance tuning and monitor these servers. Test the kernel parameters and patches in the testing, development environment, then implement on Production servers.
• Configured Samba 2.2.2 server to share the departments Windows clients for the Solaris users.
• Installed Solaris from jumpstart installation servers and upgraded the OS, updated the patches, consolidated servers and all other jobs related to system administrator. Added and installed the Packages for Production Server. Created the privileges and gave access to the DBA to install Sybase and Oracle.
• Configured Sun StorEdge Arrays to support the Production Database. Created Volumes of size up to 1.5 TBs for various instances of database applications using VERITAS volume manager Installation
• User Issues taken care through Web based tools: Pertaining to Unix OS, Hardware issues like Performance issue, User Account problems, Password issues, Space issues etc., New Account setup for users, New Installations from users.
• Configured Samba on Intel platforms, established Network connectivity with PC’s through SMB for windows clients.
• Responsible for Root cause analysis after Panic/Dump/Crash related to Linux
• Scheduling/Controlling of jobs using Autosys, Cron.
• For SUNOS backup and restore of files were taken using ufsdump and ufsrestore commands. GUI based Legato networker was also used as a backup tool.
• Writing Shell scripts to parse data for transitioning server data.
• Wrote scripts to automate installations and developed secure images for all machines
• Autosys agent install on Solaris servers and failure job troubleshooting.
• Wrote a Shell scripts to synchronize user IDýs across our NFS network
Environment:
Solaris 8/9/10, RedHat Linux 7/8, NIS+, Veritas Volume Manager 5.0, Samba Unix Shell Script
Grasim Industries, India Jul 2001 - Dec 2004
UNIX Administrator
Responsibilities:
• Installing Operating Systems and Software related patches.
• Installed the operating systems Solaris upgraded the software according to the requirement
• Maintenance of Hard disks (Formatting and Setup, Repair from crashes)
• Managing user accounts, security, rights, permissions and disk quotas.
• Performing patches research, patches installation and packages installation on Sun Solaris
• Planning and implementing system upgrades including hardware, operating system and
• periodical patch upgrades
• Adding/expanding new storage to existing/new systems using Veritas Volume Manager
• Administering file systems and recognizing file access problems.
• Adding packages and patches.
• Installation and configuration of databases like Oracle, SQL Server.
• Installed and configured WIN NT and WIN2000 servers.
• Performed administrative tasks like User management, security management, Backup/restore, space management, installing service packs and patches.
• Configured WIN2000 server’s network for load balancing / failover.
• Configured DHCP and DNS services on NT and WIN 2000.
• Assist Administrators with issues relating to Active Directory such as account lockout issues, Group policy configuration issues, permissions and authentication issues. Created and managed (Group Policy Objects) GPOs and security policies.
• Managed administration of Microsoft Exchange 5.5, 2000, 2003, Active Directory and Windows 2000\2003 OS and network. Implemented desktop/notebook standards and deployed GPO configuration for production compute environment
• Worked on NTFS security.
• Performed administrative tasks like User management, Backup/restore.
• Mirrored volumes to maintain redundancy.
• System performance tuning, upgrades and Backup and restore Disk crash recovery.
• Writing shell scripts as per requirements
• Documenting Maintenance process and change management
• Creating, Scheduling and Managing cron jobs
Environment:
Sun Solaris 8, Red hat Linux 7, TCP/IP, DNS, NFS, VERITAS Volume Manager, Veritas NetBackup 4.5, Korn Shell Scripting, ,Windows NT, Win 95/98/2000/2003, Oracle
References:
References are available upon request.
Relocation:
Willing to relocate.
Contact this candidate