SUMMARY:

• Over 13 years of IT experience in System Administration with extensive experience in HP - UX, RHEL Linux, Oracle Linux, CentOS,VMware Administration. Extensively worked on administering LDAP, NIS, NFS, DNS, DHCP, Mail servers, RAC Cluster, Serviceguard Cluster, Veritas Volume Manager, 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 Confidential router, switches. Independent problem solving and a good team player with strong interpersonal and communication skills.

TECHNICAL SKILLS:

Operating Systems: Linux, UNIX (Solaris, HP-UX,)

Hardware: Confidential 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).

Cluster: ServiceGuard Cluster, RAC cluster, Veritas Cluster

Middleware: Apache server, WebSphere, WebLogic.

Languages: UNIX Shell Scripting, Perl.

PROFESSIONAL EXPERIENCE:

Confidential, Vacaville, California

Senior Linux/Unix System Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Linux, HP-UX Operating Systems.
• Working with VMware Virtualization product suites/technologies including vSphere (ESXi, vCenter), vMotion, HA, Auto Deploy, Host Profiles, Update Manager (vUM), vCenter Converter, vApps, vCenter Orchestrator, vCM, vSwitch, dvSwitch, vSphere Replication, vSphere Client, Capacity Planning, CapIQ, Events and Alarms, Log Analysis, VM Snapshots, P2V/V2V Migrations, VSAN, Log Insight, ESXCLI, ESXi Shell.
• Work on assigned projects and responsible for Linux /VMware technical tasks.
• Build and provision VM’s, Physical, and ESX Hosts, Configuring Dell Confidential UCS Chassis \ Blades. Storage addition and replication on vCenter and Hyper-V
• Configuring distributed switching and storage. Co-ordinated with EMC to setup VMAX, VNX
• Allocated Storage to VMWare environment from VMAX and VNX using Unisphere
• Trouble shouted issues on multiple EMC storage arrays during migrationsDatacenter Migration
• Server Migration: -Migration of servers from old hardware (rx2660, rx6600…. Dell M610 etc) to new c7000 blade enclosures.
• Storage Migration: -Hitachi shadow image setup to copy the data for the LUNS migrating from VSP to G1000 storage and Netapp filers migration from FAS3270 to FAS8040
• Vmware ESX migration from 5.5 to 6 and migrating the Dell hardware to UCS blades
• Security vulnerabilities remediation. De-commissioning of servers which are on old Hardware
• Integrating the servers in AD and providing the sudo access for the users, creating the group policies and security policies and making them unix enabled for accessing the Linux servers.
• Installing the vas client (QAS) on all the servers in the environment.
• Works on complex assignments where independent action and a high degree of initiative are required in resolving, engages and escalates to vendors for service restoration.
• Configured the RHEL env1 2 and 3 servers through Ansible for regular patching
• Resolving the tickets opened by users using service now with in the SLA. Supported 24/7 high availability production servers.

Environment: HP-UX 11.11, HPUX 11.31, RHEL Linux (RedHat 5,6,7),VMware EXI 5.1,5.5, 6.0

Confidential, Fremont, CA

Senior Linux/Unix System Administrator

Responsibilities:

• Involved in administration of Linux and UNIX (HP-UX) 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, participated in capacity planning for the infrastructure, • Provide tools and procedures for resources provisioning. Wrote 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.
• Allocated storage by creating qtree, CIFS from netapp server using ONCOMMAND utility.
• 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).
• Installed and configured puppet in master and agent node. Created Custom as well as downloaded pre-written Modules and Manifests, Worked and utilizedPuppethierarchy files, facts, and global variables.
• Deploy software via puppet codeUpgrade Puppet infrastructure across multiple sites and Puppet Masters

Environment: HP-UX 11.11, HPUX 11.31, RHEL Linux (RedHat 5,6,7), Oracle Linux, CentOS, Ubantu, HP Proliant C7000 BL460,BL420,BO680, DL380,DL 385, DL560/580, SunUltra E 250, Sun Fire

Confidential, San Jose CA

Linux/Unix System Administrator/Tech Lead

Responsibilities:

• Installation, Configuration & Upgrade of Linux, Ubuntu, CentOS, 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 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
• Platforms and configurations. Trouble-shoot hardware, 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-fastinstallation. Automating every aspect of the systems including provisioning, deployment and changemanagement
• 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.
• 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, and 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, Confidential 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, Sacramento CA

Sr. Linux/Unix Administrator

Responsibilities:

• 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, and 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.
• Created related documentation, standards and procedures to comply with corporation and industry standards
• Installation of patches and packages.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• 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.
• Dynamically adding new VMware disk into the kernel and LVM
• Disk Configuration on Oracle Linux Servers
• Created User, Groups, file systems per client requirement.
• Created SUDO Policies for the different applications.
• Installation and Configuration of SAN disks in various OS.
• Installed Java, JBoss, WebLogic, WebSphere.
• 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), 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,E K,20K,25K,, T2000. IBM servers with p5 520,520Q, 550, 550Q, 560Q Express, p5 570, P5 590. Alpha Server DS25, ES45, ES47

Confidential, Sacramento CA

Sr. Unix Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris, HP-UX, Tru64 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.
• 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.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• 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.
• Created User, Groups,file systems per client requirement.
• Disk and File system management through Veritas Volume Manager.
• 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,E K,20K,25K,. Tru64 (4.x) DS/20/DS10/DEC 8200.

Confidential, Cleveland, OH

Linux/Unix Implementation Engineer

Responsibilities:

• 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

UNIX/ Linux Administrator

Responsibilities:

• 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