Unix/Solaris/Linux Administrator resume

Unix/Solaris/Linux Administrator

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Posted date:	8/12/2009
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Country:	United States
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Dhruv

CAREER OBJECTIVE:

A challenging position in a company where my technical and interpersonal skills can be used to enhance productivity and bring about innovations in my niche domain.

SUMMARY:
 Over 7 years of IT experience as UNIX System Administrator in a diverse, distributed and networked multi platform environment.
 Extensive experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Sun Solaris, Linux, HP-UX, AIX, Windows system software and hardware
 Installing, upgrading, patching and configuring SUN Solaris 8/9/10 on Sun Servers Using Jumpstart Servers and Interactive Installation.
 Hands on experience in administration and maintenance of application services like DNS, Mail, HTTP, Apache Tomcat, Squid, DHCP, SMTP, FTP, POP3, NIS and NFS.
 Experience in developing Network infrastructure technologies like DNS, NFS, Samba, NIS, DHCP, SMTP, FTP, SSH, rsync and web servers like Apache HTTP & Tomcat
 Implemented and enhanced UNIX shell scripts using Korn, C Shell, Bash and Perl Scripting.
 Experienced in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
 Closely worked with DBA Team for Oracle Installation and Oracle Performance Tuning.
 Performance monitoring and capacity planning.
 Backup using VERITAS NetBackup.
 Plan, document and support high availability, data replication, business persistence, fail-over, fail-back and using VERITAS Cluster Server in SAN environment
 Effective communication skills developed through continuous interaction with global clients and internal management and motivating team player.
 Expert in documentation and management of standard operating procedures, test plans and providing the best practices for the processes.
 Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a matrix process environment

EDUCATIONAL QUALIFICATION
Bachelors Degree

TECHNICAL SKILLS:

Networking: NFS, AutoFS, NIS, DNS, DHCP, LAN, WAN

OS: Sun Solaris (8/9/10) SPARC/x86, Red Hat Linux AS 4 /5, Windows NT Enterprise Edition 4.0, Windows 2000 Professional, Windows 95/98/XP, MS-DOS 6.22.

Databases: Oracle, Sybase

Hardware: SPSSPARCSTATION (10, 20), ULTRA (2, 5, 20), SUNFIRE (V100, V240, V480, 280R), M5000 and T2000 servers, EMC Storage Arrays, Cisco routers 2500/3600 series and switches, 3COM hubs, peripheral devices (printers, modems)

Utility Packages: VERITAS Volume manager (v4.x, 5.x) VXVM, Solaris Volume Manager, VERITAS Cluster Server (v4.x) VCS, VERITAS File system VXFS (v4.x, 5.x) Admintool, Remote Admin.

LAN: Ethernet, Fast Ethernet

Protocol: TCP/IP, IPX/SPX, FTP, HTTP, ARP, RARP, UDP, Telnet, and Routing Protocols.
Security: Secure Shells, SSH, SCP, SUDO

Languages: shell Programming

Virtualization Tools: VMWARE

Webservers: Apache

Migration Tools: Tar, Rsync

WORK EXPERIENCE:
Contemporary Guidance Services, New York, New York Jul 09 - Present
System Administrator (Unix/Linux Administrator)

Responsibilities:

• Installed Solaris and Linux created user logins, administering the system performance and monitoring user activities.
• Building and configuring Solaris 8/10, Red hat Linux using Jump start server using Kick Start server as required for the project.
• Closely coordinated with SAN team for storage, fabric issues. Upgrading Emulex cards, firmware for HBA to the current revision levels.
• Installed VERITAS volume manager and implemented various RAID levels, logical volume creation, mirroring and file systems
• Installation, configuration and maintenance DNS servers, Mail servers, NFS and NIS on Sun Solaris servers
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Installation and configuration VERITAS Net Backup5.1 and performing restore activities.
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS 4.1 in heterogeneous SAN environment.
• Maintaining, applying changes and fail-over schedules of HA servers.
• Reviewing system log files for errors. Setting up cron jobs for backups and monitoring processes.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation.
• Participate in installing and configuring of UNIX/Linux based Oracle 10g products.
• Server Virtualization using Solaris Containers (zones) and VMWare.
• Wrote various UNIX Korn and Bourne shell scripts to probe network backbone equipment and provide vital statistics about the availability and responsiveness of the network.
Environment: Solaris, RHEL, Jumpstart/Kickstart, SAN-HBA, RAID, DNS, NFS, NIS, Sendmail, Veritas Suite, HA, Oracle, Zones, VMware, Sun Fire Servers – E15k, 1280, 6900, V440, V490, V880, HP Proliant Machines.

Capital One,Richmond,VA. Jan 08 – May 09 UNIX Administrator

Responsibilities:
• Involved in all Planning, Architecture, System Admin aspects of Solaris 8 /10 Linux UNIX Administration and related SAN storage and Fiber HBA’s using Veritas Foundation Suite products.
• Installation/administration of AIX, Linux, Solaris Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3) and file servers.
• Installed and configured 2 Node VERITAS cluster 5.0 via GUI and command line.
• Installed and configure Solaris 8/ 9/10 on Sun Fire V440/V880/v490 machines with VERITAS Volume Manager 4.x/5.x
• Installed and configured Solaris 10 servers with Zones and containers on SUN M5000 and T2000 Servers with SUN ZFS.
• Installed and configured RedHat AS 4.0/5.0 on Dell Power Edge server.
• Installed VMware ESX server on Dell Servers and configured Solaris 9/10/ Red Hat Linux 4.0 / Windows 2000 virtual machines for various applications.
• Installation of software packages and checking the integrity of the installed packages. Installed different RPM Linux 4.0/5/0
• Configured and maintained NIS and DNS database. And wrote Bash shell scripts.
• Documentation of all the setup procedures and System related Policies (SOP’s).
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring
• Setup NFS file systems and shared them to clients.
• Installation of software packages and checking the integrity of the installed packages
• Performed scheduled incremental backups using “ufsdump” and recovered and rolled over backups. Used “tar” to ship directories/files.
• Troubleshooting backup and restore problems and constant monitoring of system performance.
• Involved in migration of data from local storage SAN storage using Rsync utility.
• Worked with DBA for Installation of Oracle on Linux and Solaris.
• Performed day-to-day trouble shooting for the end users on Solaris based applications.
Environment: Solaris 8/9/10, Sun M5000 / T2000, Linux, SUN Enterprise Servers SUN FIRE 6800/E6500/E4500 and E3500, SUN SPARC / VERITAS Volume Manager 4.x, Shell scripting, SENDMAIL Protocol, DLT 7000 tape drive, Unix/Windows Workstations, oracle

EMC, Columbus, Ohio Oct 07 – Dec 07
Linux Administrator

Responsibilities:
• Installation, Configuration, Maintenance and Administration of Red Hat Enterprise 3/4/5 using Kickstart
• 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 of Power path on all Linux boxes.
• Administrated DHCP, DNS, NFS, NIS and Samba services in Linux
• 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.
• File system Administration, Setting up Disk Quota, configuring backup solutions on SAN/NAS storage.
• Responsible for patches for the operating system, building startup shell scripts, managing the automation of CRON jobs and managing file systems
• Troubleshooting logon problems, boot process and printing
• Responsible for designing High Availability Solutions for different applications, using VERITAS Clusters/ Storage Foundation Suite.
• Responsible for patches for the operating system, building startup shell scripts, managing the automation of CRON jobs and managing file systems
• Reconfiguring Consoles, NIC on the servers and worked with SAN migrations team to bring the EMC disks online.
• Managed Disks and File systems using LVM on Linux.
• Worked with Linux, SAN, Oracle Database, and Network teams to ensure the smooth relocation of the servers.
Environment:
Red Hat Linux AS3.0/ AS4.0/ AS 5.0, VERITAS Clusters, VERITAS Volume Manager, VMware, Hitachi Disk Array, Apache 2.0, NFS, Software RAID.

Alteva, Philidelphia, PA Oct 06 – Sep 07
UNIX Administrator

Responsibilities:
• Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Configuring NFS, NIS, DNS, Auto-mounter and disk Space management on SUN servers.
• SENDMAIL configuration and administration, testing the mail server.
• Administration in VERITAS Volume Manager. Installed and configured VERITAS cluster 5.0 via GUI and command line.
• User administration, management & archiving.
• Installation of VERITAS Netbackup on Client side.
• Troubleshooting the network issues and response problems
• Creating new file systems, managing and checking data Consistency of file systems.
• 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.
• Installation, configuration and implementation of Samba service on UNIX based systems.
• Dealing with user id deletion with removing entries from CRONTAB.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Maintaining the CPU & Memory utilization of SUN Servers reports on the WEB.
• Writing Scripts for automating and testing the code.
• Experience with OS upgrades and installation of third party software, packages and patches.
• Scheduling full and incremental backups using NetBackup on daily, weekly and monthly basis.
• Experience with adding and configuring devices like Hard disks and Backup devices etc.
• Used VMWARE in this project as a virtualization tool.
• Experience with configuring and managing Virtual disks, Disk
• Mirrors and RAID 0, 1 and 5 levels.
Environment: Solaris 8/9, Linux, AIX, SUN Enterprise Servers SUN FIRE E240R, E420R, A1000, D5000, EMC Storage, VERITAS Volume Manager 4.X, Shell scripting SENDMAIL Protocol, Tape drive, Unix/Windows Workstations,Apache,VMWARE.

Mastek, Mumbai, India Aug 04 – Sep 06
Unix Administrator

Responsibilities:
• User administration on Sun Solaris and RHEL systems, HP-UX machines, management & archiving.
• Installed HP-UX and configured logical volumes using logical volume manager and also configured mirroring
• Troubleshooting the network issues and response problems
• Creating new file systems, managing and checking data Consistency of file systems Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Configuring NFS, NIS, DNS, Auto-mounter and disk Space management on SUN servers.
• SENDMAIL configuration and administration, testing the mail server.
• Administration in VERITAS Volume Manager and Veritas Cluster Server.
• Scheduling full and backups with tar command.
• Experience with adding and configuring devices like Hard disks and Backup devices etc.
• Experience with configuring and managing Virtual disks, Disk Mirrors.
Environment: Solaris 8, RHEL, HP-UX, SUN Enterprise Servers SUN FIRE E240R, E420R, A1000, D5000 VERITAS Volume Manager 4.X, SUN SPARC / VERITAS Volume Manager 4.x, Shell scripting, SENDMAIL Protocol, DLT 7000 tape drive, Unix/Windows Workstations, oracle

Kotak Mahindra Bank, Mumbai, India July 02 - Jun 04
UNIX Administrator

Responsibilities:
• Administration and auditing the Desktop machines and SUN servers.
• Patched management and regular system updates.
• Configuring NFS, Share, DNS.
• Hard disk and storage allocation and management.
• SENDMAIL configuration and administration, testing the mail server.
• Day to Day tasks on VERITAS Volume Manager.
• User administration, management & archiving.
• Troubleshooting the network issues and response problems
• Creating new file systems, managing and checking data
• Consistency of file systems.
• Writing Shell Scripts for automating and testing the code.
• Scheduling full and incremental backups using NetBackup on daily, weekly and monthly basis.

Environment: Solaris2.x and Linux, Windows , DHCP, NIS, NFS, Sun E220R , Sun 420R , Dell Desktops

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