Unix Admin

Anurag Shrivastava

******.***********@*****.***

UNIX Admin

SUMMARY:

• Over 6 years of experience in Information Technology as Unix Administrator in Sun Solaris, Linux and HP-UX

• Expertise in troubleshooting, developing preventative solutions to deter problems from occurring and technical support with strong communication and interpersonal skills.

• Installed Solaris 8/9/10 on high-end enterprise servers Sun E3500, E420R, E250, E280R, Sun Fire V440, V240, V210, Ultra 60 and Ultra-80.

• Installed Solaris, Linux and Windows operating systems

• Network administration, based on Ethernet, CAT5 twisted pair cable and products Cisco switches, routers and Operating Systems used are Sun Solaris, RedHat Linux, and Windows 2000/2003.

• User management in SUN Solaris, Windows 2000/2003 and RedHat Linux.

• Experience in System software Installations.

• Keeping System log, Performing system backup and restoration of data.

• Schedule jobs to run automatically using crontab.

• Managing the use of disk space, memory, network segments & other communication devices

• Experience in Configuring NIS master server, NIS slave server and NIS client to centralize user logins in the UNIX network, troubleshoot NIS related problems.

• Integration of NIS, NFS with Auto mount.

• Experienced in Solaris 10 Zones, Containers and LDoms (Logical Domains)

• Taking backup & restoration of data with tar, ufsdump and ufsrestore commands

• Performing Flash and Jumpstart installation on SUN Solaris.

• Experienced in SAN and NAS, experience on EMC Clariion.

• Configuring & Administration of Samba Server on Sun Solaris for UNIX File System Access on Windows Environment.

• Experienced in implementing and Configuring of RAID levels using Solstice DiskSuite (4.2.1), Veritas Volume Manager 4.0.

• Involved in system design, layout planning, capacity planning, performance tuning for the systems

• Tuning kernel parameters according to application requirement

• Installing recommended patches on Solaris server.

• Virtualization Deployment and administration: VMware vmserver, Vmware ESX, Xen vitualbox

• Maintained different forms and Load Balancing servers.

• Excellent Team Building, Analytical, Interpersonal & Communication Skills.

• Programmed extensively in UNIX Shell Scripting and Perl

Educational Qualification:

• Master of Science in Electronics and Computer Science from University of Texas at Arlington

• Bachelor of Science in Electrical Engineering from INDIA

Technical Skills:

Operating Systems : Solaris 8/9/10, RedHat/Suse Linux, HP-UX 11.0, 11.11, Windows 2000/2003

Languages : C, Shell Programming, Perl , PL/SQL

Networks : NIS, NFS & DNS and Firewalls

Protocols : TCP/IP, FTP, SSH, SFTP, SCP, SSL, ARP, DHCP, TFTP, RARP, PPP and POP3

Networking : TCP/IP, LAN & WAN

Databases : Sybase, Oracle

Hardware : SUN High End series 15K and 10K, SUN Mid range servers 3500, SUN E420R, E220R, SUN E250 Server, Sun Fire V480, V440, V220servers, Netra X1 series and Sun Sparc 5/10/20 workstations, SUN T3, SUN 3510 Storage Edge, HP Proliant server ML 370 and Compaq ML 530 G2.

Software Tools : Solstice Disk Suite (SDS), Veritas Storage Foundation Suite, SAMBA, , Veritas Clusters and Veritas Netbackup.

Virtualization : Vmware XEN

PROJECT EXPERIENCE:

Electronic Arts , RedwoodCity,CA Mar 2008 – Till Date

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.

• Experience in System Administration Driver Configuration

• 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 Back up solutions on SAN/NAS storage.

• 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.

• Creation of cluster resources and fail over the cluster resources/ packages.

• Switching over the service groups between systems depends upon requirement

• 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.

• Configured Xen virtual servers(domains) on Red Hat Enterprise 5.1

• Created and managed virtual servers with VMware

• Installed Red Hat 5.0 Xen on Sun Fire X4600 host server. Created 10 Red Hat fully virtualized machines on this Sun Fire X4600 server and 2 Windows 2003 fully virtualized machines using XEN

• 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

• Diagnose and correct boot failures arising from boot loader, module, and file system errors on Linux

• Configure trouble shoot backup issues. Perform manual backups & restore on Veritas NetBackup & IBM TSM.

• 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

J.P.Morgan, Columbus OH Apr 07 – Feb 2008

Unix Administrator

Responsibilities:

• Supports Sun Solaris 7, 8, 9 & 10 Installation, management and monitoring of Solaris systems and associated hardware/software.

• Coordinating in replacement of Sun Server Hardware

• Regularly applying patches for SUN systems.

• Incident Management and Change Management.

• Maintaining security on Unix servers as per Company’s Security Standards.

• Configured Samba Server in Linux and Solaris to achieve cross platform file transparency.

• Managing Linux/UNIX-related and other network requests and problems & tuning and configuration, monitoring and managing system resources

• Performed hardware maintenance, upgrades, and troubleshooting on SUN workstations and servers

• Created and managed virtual servers with VMware

• Administration and Implementation of security products on the Unix system.

• Installed OS patches, Oracle Database.

• Worked on Solaris 10 Zones and LDoms.

• Involved in design and planning for Solaris 8 to Solaris 10 with coordination from database, application teams.

• Configuring NFS, NIS and DNS on SUN servers.

• Administration in VERITAS Volume Manager.

• Sizing, Deployment, Capacity Planning, Backup and Recovery planning & Implementation

• Troubleshooting the daily system and network related problems reported by users.

• Monitoring the systems proactively to trace potential problems and take corrective actions.

• Writing shell scripts for generation of various reports as requested by Compliance Department.

• Trouble shooting the system, Performance tuning

• Maintaining the CPU & Memory utilization of SUN Servers.

• Writing Scripts for automating and testing the code.

• Analysed, designed and coded SQL stored procedures and Unix shell scripts for data extraction and manipulation of financial transaction data

• Wrote Complex SQL queried and stroed procedures using Oracle .

• SENDMAIL configuration and administration, testing the mail server

• Created many Shell/Perl scripts and enhanced the existing scripts

Environment : SUN High End series E25K, F15K and E10K, SUN Fire, V480,

V440, V240, Netra series and SUN ultra Sparc 5/10. EMC Clariion,Linux

Software : Solaris 7.0, 8.0, 9 & 10, HP-UX 11.0, 11.11, Windows NT, Windows 2000, Veritas Storage Foundation Suite 4.0

IMS Health,PA Aug 05 – Mar 07

Unix Administrator

Responsibilities:

• Installation of SUN Solaris, Linux and HP-UX.

• Handling day to day administraton jobs in SuSe Linux and Redhat Linux

• Supporting more than 200 SUN servers

• Perform daily system administration tasks; including installation of new rpm releases, system upgrades and tuning for RHEL.

• Designed, implemented and configured NFS services for RHEL

• Regularly following change management policy.

• Cleared up the Solaris and Linux operating systems performance issues.

• Handling CPU panic, memory problems and other hardware failures with coordination of vendors.

• Implemented Solaris IP Multipathing.

• Troubleshooting NFS servers, NFS Clients in AutoMount Environment.

• Configured FTP, Telnet, sFTP, SSH, iptables for the servers.

• Configured and Administering SAMBA Server.

• Installation and of Veritas Storage Foundation Suite.

• Configured EMC/SAN disks in Solaris Servers.

• HP Legato backup client installed

• HA testing performed on VCS and MC Serviceguard

• Implementation & Managing of RAID levels like 0, 1 and 5 using VERITAS Volume Manager.

• System administration of RedHat Enterprise Linux Servers version 3 and 4 including hardware maintenance. (Dell Poweredge, HP Proliant)

• Expert in designing, implementing and maintaining UNIX clusters using MC Service guard on HP-UX, Veritas Cluster Server on Solaris and Linux.

• Creating, Resizing and Removing of file systems.

• Creating, mounting and maintenance of Veritas File Systems (VxFS) on all layout methods.

• Automatically and manually taking backups / archives, with previously configured policies using Veritas NetBackup.

• Scheduling Off time and Overnight Backup Strategies.

• Installed and maintained several two node Clustered servers in Veritas Cluster Server.

• Creation of cluster resources and fail over the cluster resources/ packages.

• Switching over the service groups between systems depends upon requirement.

• Coordinating in replacement of Sun Server Hardware

• Installed and configured Oracle 9i on Solaris Operating Systems and created databases.

• Implemented Live upgrade for updating patches on Live systems.

• Regularly applying patches for SUN systems.

• Coordinating with OEM’s for support related issues.

• Management of SUN High-end server F15K, and E10K.

• Worked on ZFS file systems, Zones and containers.

• On-call production support.

• User & Group Management, file system mgmt, performance monitoring, fine tuning of Sun- Solaris, Linux, SCO-Unix HP Unix, IBM AIX and Windows NT Servers.

• Managing solaris and RedHat operating environments.

• Baselining the server as per AllState standards and incorporated security features.

• Supporting business for any systems related issues.

• Proficient in writing and executing SQL Queries to pull data from database.

• Experienced in implementing and Configuring of RAID levels using Solstice DiskSuite (4.2.1), Veritas Volume Manager 4.0.

Environment : SUN High End series E25K, F15K and E10K, SUN Fire, V480,

V440, V240, Netra series and SUN ultra Sparc 5/10. EMC Clariion,RHEL

Software : Solaris 8/9/10, RedHat ES 3, Suse Linux solstice disk suite (SDS), Veritas

VolumeManager (VxVm),Veritas cluster server(VCS), Netbackup

Sony Ericsson, Plano, TX Dec 03 - July 05

Unix Administrator.

Responsibilities:

• Supporting Solaris and RedHat Linux Environment.

• Installed and Configured Red Hat Linux workstations and troubleshoot network Problems

• Installation and configuration of TCP/IP network in LINUX.

• Maintaining site services, it includes NIS master and slave servers, DNS servers, SAMBA servers, Citrix server, one FTP server and Net backup server.

• Updating NIS maps and updating DNS entries.

• Troubleshooting the auto mounts issues like stale NFS.

• User management includes user addition, deletion and modifying the user attributes.

• Supporting the users for license related issues.

• Monitoring the backup status and the finding the cause for failed jobs and acts accordingly.

• Supporting the users in installing new software’s and free wares.

• Administered Auto-Mounter, NFS, NIS, DNS and TCP/IP

• Handling NFS, Creating LVM and RAID and managing and creating file-systems and mount points.

• Worked and Installed Redhat Linux AS4 (Server and Workstation Version).

• Maintaining Solaris x86 Solaris 10 and Redhat Linux 7.3, Redhat and Redhat ES 3.0 and 4.0 on Intel based servers and Used RedHat Kickstart Configurator to install Redhat over a farm of servers.

• Duties included creating and managing user accounts, setting permissions on files and directories, system configuration, printers and print queue setup.

• Periodically patched servers and workstations

• Writing scripts to facilitate notifying any error messages or inconsistencies in the system. Also Wrote shell scripts to automate file system backups

• Setup Cron jobs for disk space and monitoring of errors.Updating the workstations and servers with Recommended and security patches by SUN.

• Creating new News groups and Mail archives according to the user requirement.

• Coordinating with SUN Micro systems related to support issues.

• Growing the file systems as when and when business requirements.

Environment : SUN E3500, E420R, E220R, E250R, SUN Fire V480, V440, V220servers, Netra series and EMC Clariion.

Software : Solaris 8.0, RedHat Linux, Veritas Volume Manager

(VxVm), Veritas Netbackup

BHEL, India Feb 02 - Nov 03

Unix Administrator.

Responsibilities:

• Support to 20 Workstations and Servers over a 20 users.

• Regularly taking system and Data backup using xfsdump.

• Maintaining SMS Server for over a 400 Desktops.

• Installing SMS Client software on Desktops.

• Coordinating in replacement of SUN server Hardware

• Installation and upgradation of software’s through SMS Servers.

• Generating Inventory Reports on SMS Server.

• Installed Veritas Volume Manager (VVM) on Solaris 8.0,Implemented RAID 3 and providing support.

• Maintaining NFS Environment over a 15 machines and providing support to Clients.

• Installed Oracle 9.0 on TRU64 Unix and configuring SQL * net to clients.

• Installed Linux 7.3 on Compaq ML 530 server and providing the support for the same.

• Maintaining the RS6000 Machines and Maintaining the NFS Environment in AIX 4.3.

• Taking the System backups for all the systems.

• Providing Online support for all hardware

• Involved in generation of specific reports using PL/SQL Procedures and Triggers that is used by application

• Planning and scheduling periodical maintenance for all hardware.

• Diagnosing and Troubleshooting problems related to Operating system and Hardware.

• Trouble shooting the system, Performance tuning.

Environment : Sun’s SUN Blade 1000 and SSA 100 with Solaris 8.0,SGI’s

Origin 200, Compaq’s ML 530 G2 Servers with Linux 7.3 and Windows 2000, DLTs and DATs for Data backup.

Software : Solaris, RedHat and Windows 2000 server,Veritas Volume Manager, Logical Storage Manager, System Management Server, Citrix,

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