Summary

Over 11 years of IT experience in System Administration with extensive experience in RHEL Linux ,Ubuntu, CentOS, Solaris, VMware Administration. Extensively worked on administering, 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 SAP, 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 Redhat,Ubuntu,CentOS Oracle Linux, UNIX Solaris, HP-UX,
• 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, C7000 blade servers, 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

Confidential

Senior System Administrator

• Involved in administration of Linux Redhat, CentOS, Ubuntu and UNIX Servers. Monitor performance and system utilization and participate in activities related to growth analysis and capacity planning and kernel tuning to enhance the system Perform. Ensure customer uptime and performance through monitoring, proactive support, maintenance, and utilization of best practices. O/S System upgrades, migrations, Installation Packages and patches. Ensure that issues are dealt in a timely manner. Installed VMware vSphere ESXi, build VMs using VMware, performed cold and hot migration, VM cloning, Physical to virtual migration, allocated and configured storage on venter using VMware tool. Deploy Virtual Machines and use Clones, Snapshots, templates, Participate in capacity planning for the infrastructure, Provide tools and procedures for resources provisioningWrote and managed Shell and Perl Scripting for automation of job Monitoring key aspects of critical online services via tools and proactive health checks for incident detection. Driving service related activities through standard processes i.e. change management, incident management . Working with Ops center personnel, service owners, product groups, development teams, engineering, vendors, and others to improve key operational metrics. Documenting troubleshooting guides and recovery procedures for service impacting that can be used by the Ops center resources. Manage HP blade enclosures, blade server including firmware updates when required in production environment. Perform root cause analysis. Handling tickets/requests. Monitoring and maintaining SLA requirements by the team members. Testing / Auditing/processes as required from time to time. Installation on SAP and work with SAP team to troubleshoot the issues.
• Define the standards, design, and configuration of Linux OS and security.Serve as a Leader and Subject Matter Expert for Linux environments and related projects
• Worked with Strategy and Architecture and Global Support team to understand needs, issues, and long term strategies.
• Transition solutions to Support and Delivery organizations
• Work independently to drive solutions, while providing guidance to staff of varying skill levels
• Participate in hardware and software lifecycle management
• Develop service catalogs and identify SLA's that align with business requirements
• Serve as a VMWare Administrator performing Installation, Configuration and Administration of VMware VSphere4, ESX 3.5 and ESXi 4.0/4.1.5.0 Server, VMware View.
• VMware vSphere client, Virtual vCenter Server.
• Virtual Networking Virtual Switches, VM Kernel Ports
• And Virtual Storage Access Control and VMFS Datastores
• Creation, Management and Configuration of Virtual Machines, Clone and Templates.
• Customizing guest operating system on Virtual Machines. High availability, Clustering, VMotion, Storage Vmotion.
• Server Consolidation with VMware Converter P2P and P2V Conversions

Environment: Sun Solaris 8 , 10 , RHEL Linux RedHat 3,4,5,6 , Ubuntu 13. x, 14. xHP Proliant C7000 BL460,BL420,BO680, DL380,DL 385, DL560/580, SunUltra E 250 , Sun Fire V240, V440, V490 , T2000

Confidential

Linux/Unix System Administrator/Tech Lead

Responsibilities:

• Installation, Configuration Upgrade of Linux, Ubuntu, CentOS, Solaris 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 hardware, UCS Manager , KVM console , worked with LAB engineer to test Netapp and EMC SAN storage.
• Migrated more than 100 RHEL Linux physical HP hardware to UCS and Physical Linux to VM Linux hosts. Participated in 3 datacenters migration from begin to end.
• Installed VMware vSphere ESXi, build VMs using VMware, performed cold and hot migration, VM cloning, Physical to virtual migration, allocated and configured storage on venter using VMware tool. Deploy Virtual Machines and use Clones, Snapshots, templates, Participate in capacity planning for the infrastructure, Provide tools and procedures for resources provisioning. Created Vlan and moved VMs between VLAN.
• Perform maintenance activities in a large environment composed of a mix of different UNIX/Linux,

Confidential

software and network related problems.

• 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
• Installed puppet in master and agent node. Deploying configuration files and templates for lightning-fast installation. Automating every aspect of the systems including provisioning, deployment and change management
• Installing the ORACLE, SAP business application .Assisted DBA in configuring Oracle Database .
• O/S System upgrades, migrations , Installation Packages and patches .
• Supported 24/7 high availability production servers.
• Created SUDO Policies for the different applications.
• Manage existing high available application services using Linux RAC cluster server.
• 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.
• 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: RHEL 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, HP DL380,DL 385, DL560/580 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.

Confidential

Sr. Linux/Unix Administrator

• Installation, Configuration Upgrade of Solaris, HPUX, and Linux, Ubuntu, CentOS 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 puppet in master and agent node. Manage user, filesystem and applications using puppet..
• Installed C , Java, and Jboss.
• 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 RHEL 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.
• Installation of patches and packages.
• 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
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Wrote Shell scripts for system maintenance and file management and wrote Perl Scripting for automation of job.
• Installation, configuration and remediation of various Security software.
• Configuration and Administration of DNS, NIS, NIS , NFS, sendmail.
• Installation and Configuration of SAN disks in various OS. Installed Java, JBoss, WebLogic, WebSphere.
• Created SUDO Policies for the different applications .
• Created User, Groups, file systems per client requirement.
• Created related documentation, standards and procedures to comply with corporation and industry standards
• 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 , RHEL Linux RedHat 3,4,5 , HP-UX 10.x,11/11i , HP C7000, DL360,DL 385, DL560, 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,

Confidential

Sr. Unix Administrator

• Installation, Configuration Upgrade of Solaris, HP-UX and RHEL 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.
• Jumpstart installation. Writing Shell and Perl Scripting for automation of job.
• Installation and configuration of Netscape and Apache web server and Samba Server.
• Installation, configuration and remediation of various Security software.
• Configuration and Administration of DNS, NIS, NIS , NFS, sendmail.
• 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 RHEL 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.
• Installation of patches and packages. Installed C , Java, and Jboss.
• Created related documentation, standards and procedures to comply with corporation and industry standards
• Participated in developing and implementing a jumpstart server for multiple installations.
• 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.

Confidential

Linux/Unix Implementation Engineer Sep 2006 July 2007

• 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.
• Developed a Extensive Troubleshooting and Verification procedures which constantly monitors the connection between the LDAP Client and the LDAP Directory Server.
• Created SUDO Policies for the different applications.
• Wrote scripts for automation of administration tasks.
• 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 , RHEL 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.

Confidential

Linux/Unix Implementation Engineer

• Installation, Configuration Upgrade of Solaris, HP-UX and RHEL 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.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Installation and configuration of Veritas Netbackup.
• Created User, Groups per client requirement.
• Disk and File system management through Veritas Volume Manager.
• 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.
• Wrote scripts for automation of administration tasks.
• Kernel parameter update per requirement.
• HBA Fiber card driver and firmware updates
• SUDO configuration, SSH configuration, SCP Upgrade
• Secured sendmail Configuration, NTP configuration
• 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, American Express, Phoenix, AZ Oct'04 Jan'05 Unix

Confidential

System Administrator

• Installation, Configuration Upgrade of Solaris, HP-UX, RHEL 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.