Senior Linux Administrator

Over 15 years of IT experience in System Administration with extensive experience in Solaris, HP-UX, Linux ,VMware Administration. Extensively worked on administering LDAP, NIS, NIS , NFS, DNS, DHCP, Mail servers, RAC Cluster, Veritas Volume Manager, Veritas Netbackup, RAID, , Veritas Cluster and Shell/Perl scripting. In depth knowledge and experience of working on UCS Manager. Experience in installing, WebSphere Application Server. Worked with DBA in Planning for Logical Physical layout of the Database, Memory, Database, SQL Tuning . Worked with network team to configure and troubleshoot networking with CISCO router, switches. Independent problem solving and a good team player with strong interpersonal and communication skills.

SKILLS:

• Operating Systems : Linux, UNIX Solaris, HP-UX, Tru64
• Hardware : Cisco B/C-Series Blade Servers UCS B22 M3, B200 M1/M2/M3,B230 M2,B250 M1/M2, B420 M3, B440 M2, C22 M3,C24 M3,C220 M3,C240 M3,C260 M3,C420 M3, C460 M2 ,SunUltra E 6500/4500/450, /420/250/220, Sun Fire V440,490,890, 4800/3800, E10K, T2000, ultra 10/5/2/1. IBM RS/6000 series, HP-9000 Series, DL 385 DL 585 G1/G2 Compaq DS20, 8400, ES40, DEC Alpha 400/1000/1200/2000/8200
• Cluster: :RAC cluster, Veritas Cluster
• Middleware : Apache server, WebSphere, WebLogic.
• Languages : UNIX Shell Scripting, Perl.

PROFESSIONAL EXPERIENCE: CONFIDENTAIL Senior Unix System Administrator

Involved in administration of CONFIDENTAIL, and HP-UX. Involved in setting up server hardware, installation of operating systems, configuration, Network administration, User management, Software installations, DNS, NFS configuration and hardware trouble shooting. Involved in Oracle DBA and networking Activities. Worked on Server consolidation and Security Project.

Responsibilities:

• Installation, Configuration Upgrade of Linux, Solaris, HP-UX Operating Systems.
• Work closely with architects in designing enterprise class solutions based on the principles of redundancy, data integrity, security and recoverability.
• Integrate and implement server solutions and server components such as proxy servers, web servers, application servers, database servers, directory servers, core infrastructure services Proxy, DNS, SSH, SMTP, etc , and others
• In depth knowledge and experience of working on UCS Manager , KVM console .
• Migrated more than 100 Linux physical HP hardware to UCS and Physical Linux to VM Linux hosts.
• Perform maintenance activities in a large environment composed of a mix of different UNIX/Linux, platforms and configurations.
• Trouble-shoot hardware, software and network related problems.
• Deploy Virtual Machines and use Clones, Snapshots, templates, Participate in capacity planning for the infrastructure, Provide tools and procedures for resources provisioning.
• Monitor performance and system utilization and participate in activities related to growth analysis and capacity planning. Ensure customer uptime and performance through monitoring, proactive support, maintenance, and utilization of best practices
• Installing the ORACLE .Assisted DBA in configuring Oracle Database.
• O/S System upgrades, migrations , Installation Packages and patches .
• Supported 24/7 high availability production servers.
• Installation and configuration of Veritas Netbackup.
• Created SUDO Policies for the different applications
• Manage existing high available application services using Linux RAC cluster and VERITAS CLUSTER server.
• Configure and optimize cluster behaviors.
• Configure RAC cluster on VM to manage the oracle database and NFS share and other applications.
• Analyze, troubleshoots and correct the cluster problems
• Perform ongoing maintenance.
• Interaction with vendors for Hardware and software supports.
• Installation, configuration and remediation of various Security software.
• Installation and configuration of Netscape and Apache web server and Samba Server.
• Kickstart installation. Writing Shell and Perl Scripting for automation of job.
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Used SAM to Administer HP Servers for Software package, patches, user management, Volume/Group and file system creation.
• Disk and File system management through RAC, Veritas Volume Manager
• Database Backup and Recovery. Performance Monitoring and Tuning
• Planning and setup of Disaster Recovery Servers.
• Trouble shooting of day to day system and user problems, Escalation Support , Providing support to customers via ticketing and/or phone for Linux servers. Completing all project requirements as requested in a timely manner.
• Participate in an off-hours on-call rotation, Take an assigned standard day shift

Environment: Linux 4,5,6 Sun Solaris 10, Cisco B/C-Series Blade Servers UCS >.B22 M3, B200 M1/M2/M3,B230 M2,B250 M1/M2, B420 M3, B440 M2, C22 M3,C24 M3,C220 M3,C240 M3,C260 M3,C420 M3, C460 M2, SunUltra E 250/450/3500/4500/5500/6000/6500. Tru64 4.x DS/20/DS10/DEC 8200. HP-UX 10.x,11/11i HP 9000, EMC SAN and Netapp SAN Storage Works.

CONFIDENTAIL

Sr. Unix Administrator

• Installation, Configuration Upgrade of Solaris, HPUX, and Linux operating system.
• Configured and installed and administrated Zones - identify zone components and zonecfg resource parameters, allocate file system space, describe the interactive configuration of a zone,

• Installation , configuration and compilation of Netscape , tomcat and Apache web server and Samba Server
• Develops and implements a systems back-up and recovery plan for local back-ups.
• Participated in developing and implementing a jumpstart server and Kickstart for multiple installations.
• Installed C , Java, and Jboss.
• Created related documentation, standards and procedures to comply with corporation and industry standards
• Installation of patches and packages.
• Installation and Configuration of SAN disks in various OS. Installed Java, JBoss, J2EE, WebLogic, WebSphere.
• Disk and File system management through Veritas Volume Manager, Sun Volume Manager and Logical Volume Manager.
• Created SUDO Policies for the different applications .
• Created User, Groups, file systems per client requirement.
• Disk Configuration on Oracle Linux Servers
• Dynamically adding new VMware disk into the kernel and LVM
• Installed and Configured EMC/SAN disks in Solaris, HP-UX and Linux Servers. Installation and configuration of websphere application server , assisted Java and J2EE developer to deploy applications on the websphere servers.
• Installation and configuration of Veritas Netbackup.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Configuration and Administration of DNS, NIS, NIS , NFS, sendmail.
• Installation, configuration and remediation of various Security software.
• Wrote Shell scripts for system maintenance and file management and wrote Perl Scripting for automation of job.
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Configure a JumpStart including implementing a JumpStart server,editing the sysidcfg, rules and profile fi les, and establishing JumpStart software alternatives setup, establishing alternatives, troubleshooting, and resolving problems
• Trouble shooting of day to day system and user problems including resolving issue tickets and documentation of the issues and their fixes
• Support hotline call, Global on-call and 24X7 pager duties .

Environment: Sun Solaris 8 ,9,10 , Linux RedHat 3,4,5 , HP-UX 10.x,11/11i HP 9000, SunUltra E 250/450/3500/4500/5500/ , Sun Fire V240, V440, V490, V890, E2900,E4900 E15K,20K,25K,, T2000. IBM servers with p5 520,520Q, 550, 550Q, 560Q Express,p5 570 ,P5 590. Alpha Server DS25,ES45,ES47,

CONFIDENTAIL

Sr. Unix Administrator

• Installation, Configuration Upgrade of Solaris, HP-UX ,Tru64 and Linux operating system.
• Configured and install Zones - identify zone components and zonecfg resource parameters, allocate file system space, describe the interactive configuration of a zone,
• Administered zones - use the zoneadm command to view, install, boot, halt, reboot, and delete a zone.
• Develops and implements a systems back-up and recovery plan for local back-ups.
• Participated in developing and implementing a jumpstart server for multiple installations.
• Created related documentation, standards and procedures to comply with corporation and industry standards
• Installation of patches and packages. Installed C , Java, and Jboss.
• Disk and File system management through Veritas Volume Manager.
• Created User, Groups,file systems per client requirement.
• Installation and configuration of Veritas Netbackup. Installed and Configured EMC/SAN disks in Solaris, HP-UX and Linux Servers. Installation and configuration of websphere application server , assisted Java and J2EE developer to deploy applications on the websphere servers.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Configuration and Administration of DNS, NIS, NIS , NFS, sendmail.
• Installation, configuration and remediation of various Security software.
• Installation and configuration of Netscape and Apache web server and Samba Server.
• Jumpstart installation. Writing Shell and Perl Scripting for automation of job.
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Configure a JumpStart including implementing a JumpStart server,editing the sysidcfg, rules and profile fi les, and establishing JumpStart software alternatives setup, establishing alternatives, troubleshooting, and resolving problems .
• Writing Shell scripts for system maintenance and file management .
• Writing Shell and Perl Scripting for automation of job.
• Trouble shooting of day to day system and user problems including resolving issue tickets and documentation of the issues and their fixes, and 24X7 pager duties.

Environment: Sun Solaris 8 ,9,10 , Linux RedHat 3,4,5 AIX 5.3,5.4 HP-UX 10.x,11/11i HP 9000, SunUltra E 250/450/3500/4500/5500/ , Sun Fire V240, V440, V490, V890, E2900,E4900 E15K,20K,25K,. Tru64 4.x DS/20/DS10/DEC 8200.

CONFIDENTAIL

Unix Implementation Engineer

• Involved in administration of UNIX Servers Sun Solaris with SUN Cluster in 24/7 environment.
• Configured the LDAP Client for over 700 servers with different OS like, Sun Solaris 8 and 9 10 , RHEL Linux 3 and 4 and AIX to communicate with the LDAP server.
• Wrote scripts for automation of administration tasks.
• Created SUDO Policies for the different applications.
• Developed a Extensive Troubleshooting and Verification procedures which constantly monitors the connection between the LDAP Client and the LDAP Directory Server.
• Installation, Configuration Upgrade of Solaris, HP-UX and Linux operating system.
• Configured and install Zones - identify zone components and zonecfg resource parameters, allocate file system space, describe the interactive configuration of a zone,
• Administered zones - use the zoneadm command to view, install, boot, halt, reboot, and delete a zone.
• Installation and configuration of websphere application server , assisted Java and J2EE developer to deploy applications on the websphere servers. Installation of patches and packages. Installation and configuration of Veritas Volume Manager, Veritas File System.
• Disk and File system management through Veritas Volume Manager Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Configure a JumpStart including implementing a JumpStart server,editing the sysidcfg, rules and profi le fi les, and establishing JumpStart software alternatives setup, establishing alternatives, troubleshooting, and resolving problems
• Created User, Groups per client requirement. Installed and Configured EMC/SAN disks in Solaris, AIX, HP-UX and Linux Servers. Installation and configuration of weblogic, websphere . Worked with Java and J2EE developer to deploy applications on the websphere servers.
• Disk and File system management through Veritas Volume Manager.
• Writing Shell and perl scripts for system maintenance, monitoring and management.
• Manage existing high available application services using VERITAS CLUSTER server.
• Configure and optimize cluster behaviors.
• Configure VCS to manage the oracle database and NFS share and other applications.
• Analyze, troubleshoots and correct the cluster problems.
• Perform ongoing maintenance. Trouble shooting of day to day system and user problems including resolving issue tickets and documentation of the issues and their solution, 24X7 Pager duties.
• Involved in Installed and Upgraded AIX 5.3 using the NIMadm and also BOOTP methods. Involved in Installation and Configuration of the IBM Tivoli Directory server LDAP for the authentication of users through netgroups
• Developed and Implemented various Performance Monitoring Techniques.
• Installed and Configured various monitoring tools like Best1 and CA7

• Planning and setup of Disaster Recovery Servers.

Environment: Sun Solaris 8 ,9,10 , Linux RedHat 3,4,5 AIX 5.2,5.3 HP-UX 11,11i , Sun Fire T2000, E2900, E15K, E20K, E25K, V240,V440, V480,1280, Sun Storage 1000, Sun Cluster Server, VERITAS Netbackup, IBM servers with P5 570,550,690,RS600 with AIX 5.3 and 5.2, HP-UX 10.x,11/11i HP 9000, Alpha Server DS15A, DS25,ES45,ES47.

CONFIDENTAIL Unix Implementation Engineer

• Installation, Configuration Upgrade of Solaris, HP-UX and Linux operating system.
• Configured and install Zones - identify zone components and zonecfg resource parameters, allocate file system space, describe the interactive configuration of a zone,
• Administered zones - use the zoneadm command to view, install, boot, halt, reboot, and delete a zone.
• Installation of patches and packages.
• Disk and File system management through Veritas Volume Manager.
• Created User, Groups per client requirement.
• Installation and configuration of Veritas Netbackup.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Configure a JumpStart including implementing a JumpStart server,editing the sysidcfg, rules and profile fi les, and establishing JumpStart software alternatives setup, establishing alternatives, troubleshooting, and resolving problems
• Configured EMC/SAN disks in Solaris Servers.
• Worked on server consolidation and migration.
• Configuration and Administration of Veritas Cluster Server
• Installation, configuration and remediation of various Security software
• Open Boot PROM firmware update.
• Manage existing high available application services using VERITAS CLUSTER server.
• Configure and optimize cluster behaviors.
• Configure VCS to manage the oracle database and NFS share and other applications.
• Analyze, troubleshoots and correct the cluster problems
• Perform ongoing maintenance.
• Writing Shell and perl scripts for system security, maintenance, monitoring and management.
• Configure and optimize cluster behaviors.
• Configure VCS to manage the oracle database and NFS share and other applications.
• Analyze, troubleshoots and correct the cluster problems.
• Secured sendmail Configuration, NTP configuration
• SUDO configuration, SSH configuration, SCP Upgrade
• HBA Fiber card driver and firmware updates
• Kernel parameter update per requirement.
• Wrote scripts for automation of administration tasks.
• Placed script for fixing ownership and permission and user directory
• Netscape and Apache web server samba server configuration and troubleshooting.
• Configured Cron access, Savecore, syslog
• BEA Weblogic Server Configuration
• Installation and configuration of Tivoli End Point
• Installation of ESM security software
• Installation of control M Software
• Perform ongoing maintenance.

Environment: Sun Solaris 7,8,9 and 10 , RedHat 3,4, AIX 5.2,5.3 HP-UX 10.X,11 , Sun Fire T2000, E2900, T2000, E2900, E15K, E20K, E25K, V240,V440, V480,1280, SUN E220, SUN E420, SAN,IBM servers with p5 560Q Express,p5 570 ,P5 590. HP-UX 10.x,11/11i HP 9000, Alpha Server DS15A, DS25,ES45,ES47, CONFIDENTAIL Unix System Administrator

• Installation, Configuration Upgrade of Solaris, HP-UX, Linux and Tru64 operating systems.
• Installation and Configuration of Oracle and DB2/UDB database.
• Installation of patches and packages.
• Installation and configuration of Veritas Netbackup.
• Installation and configuration of Veritas Volume Manager, Veritas File System and Veritas Cluster Server, Tivoli Endpoint.
• Server Build from the scratch with Oracle Installation and instance creation.
• Created User, Groups. File Systems per database requirement
• Created Oracle/UDB users and assigned appropriate permission.
• Disk and File system management through Veritas Volume Manager, HP Logical Volume Manager and Compaq Logical Storage Manager.
• Netscape and Apache web server samba server configuration and troubleshooting.
• Created physical and logical volumes/groups using logical volume manager.
• Created CMR and followed proper process to validating and closing project/SR.
• Job scheduling through maestro scheduler
• Manage existing high available application services using VERITAS CLUSTER server.
• Configuration and Administration of Veritas Cluster Server.
• Trouble shooting of day to day system and user problems
• Wrote scripts for automation of administration tasks.

Environment: Sun Solaris 7,8 and 9 , SunUltra E 3500/4500/5500/6000/6500 T2000, , E15K, , V240,V440, V480,1280. Tru64 4.x DS/20/DS10/DEC 8200. HP-UX 10.x,11 HP 9000, AIX 4.x and 5.x IBM RS/6000 and pSeries, Disk arrays A1000/D1000/A3000/A5000/BA356/EMC, Tape Libraries Storagetek L700/9710/ Timber Wolf9730, and SAN Storage Works.

CONFIDENTAIL UNIX Administrator

• Involved in administration of CONFIDENTAIL HP-UX in 24/7 environment.
• Installation, Configuration Upgrade of operating systems, patches and other software Packages on server as well as workstations.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Netscape and Apache web server samba server configuration and troubleshooting.
• Writing Shell scripts for system maintenance and file management.
• Used Veritas volume manager to create file systems as per user and database Requirements
• Backup management through Veritas Netbackup.
• Administration troubleshooting of Sun Clustered Servers.
• Disk and File system management through Veritas Volume Manager
• Database creation, Tablespace and datafile maintenance. User creation, granting roles and privileges
• Trouble shooting of day to day system problems

Environment: Sun Solaris, Windows-NT, SUN Ultra, HP/9000

CONFIDENTAIL UNIX Administrator

Involved in administration of CONFIDENTAIL. Involved in setting up server hardware, installation of SUN Solaris, Linux, HP-UX, Tru64operating systems, configuration, Network administration, User management, Software installations, DNS, NIS, NFS configuration and hardware trouble shooting.

Responsibilities:

• Installation, Configuration Upgrade of operating systems Solaris, Linux, HP-UX and Tru64.
• Installation of patches and other software packages.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Configuration of NIS, NFS, sendmail on Solaris and Tru64.
• File system Management through AdvFS in Tru64.
• iPlanet Netscape server, Apache server, Apache JServer and Tomcat installation and configurations with OAS installation. Java Web Server installation.
• Configuration of Hardware and Software RAID on Digital Sun Servers.
• Writing Shell scripts for system maintenance and automation of server.
• Configured and Administered MC Service Guard
• Disk and File system management through Veritas Volume Manager Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Installation and configuration of Veritas Netbackup.
• Backup management and recovery policies.
• Installation of Oracle 7.x/8.x/8i

Environment: Sun Solaris 2.6 and 7 , HP-UX 11.0 , Tru64 4.0 and 5.1 , Windows-NT 4.0/2000, Sun Ultra E 4500/3000/450/250, SunUltra E 450, ALPHA 1000/1200, HP-9000, RS-6000, Compaq prioris. Storagetek L700, Disk arrays A1000/A5000

CONFIDENTAIL

System Administrator

• Worked as a CONFIDENTAIL in 24/7 environments. Supported over 100 workstations and servers with high availability requirements.
• Responsibilities:
• Installation and Configuration of Sun Solaris, Linux and HP UX with RAID configuration.
• Jump-start installation on more than 50 workstations and inter networking with the operating systems. FTP server Configuration.
• Sending and receiving files to and from vendors, printer management, shell scripting, and kernel updates.
• Configuration and Administration of Veritas Cluster.
• Day to day maintenance of Veritas cluster Servers.
• Disk and File system management through Veritas Volume Manager.
• Backup management through Veritas Netbackup. Creation of Volumes and pools and scheduling the job.
• Hardware installation and repair, NIS configuration and FTP maintenance, DNS configuration, operating system installation and configuration, and tape backups. Designed and implemented a total network architecture and workflow that increased the productivity within the company.
• Installing and configuring the ORACLE Server , Planning creation of Database.
• Creating users , granting roles and privileges.
• Creating Tablespace and Data Files. Database Backup and Recovery Exporting and Importing Database. Performance Monitoring and Tuning.

Environment: Windows NT 4.x, Solaris 2.x , HP-UX 10.x , SCO UNIX 5.0.2, Novell Netware 4.0, VMS 6.0, DEC Alpha 1200, RS/6000, HP-9000, Sun Sparc E4500, Sun Ultra 5, Sun Ultra 10, EMC, SAN