SUMMARY:

• Overall 6 years of Strong Experience in UNIX, Linux, Vmware and Middleware Administration. Expertise in the installation, support, configuration and maintenance of RedHat/SuSE Linux,Solaris,IBM AIX, HP - UX and Windows 2003/2008, WebLogic/WebSphereApplicationServers, Oracle/Sybase Database servers under heterogeneous environments.
• Strong in troubleshooting, monitoring, training and 24/7 production support experience in mission critical environments. Worked with systems support team to define, architect and maintain highly available production systems.
• Expertise on system build thru Jumpstart/Kickstart/NIM/Ignite manual(CDROM) Installation
• Installation of patches, Security fixes, packages usingRPM and YUM tools
• Experience in installing, administering, troubleshooting NFS, DNS, DHCP, NIS, LDAP Mail Server and Samba Server in heterogeneous environment.
• Experience in LVM/SVM for creation of Logical Volumes and File systems in UNIX environment.
• Creation of logical Volumes, using(VXVM 5.1/6.0)Veritas Volume manager
• Using and configuring RedHat Satellite server, Yum repositories and Troubleshooting activities
• Expertise in managing Virtual RedHat Linux servers running on VMWare ESX 4/5.
• Strong experience in VERITAS Cluster servers5.1/6.0 in supporting high availability
• Expérience in Solaris Zones/Containers .
• Good knowledge on configuration management tools like Puppet. Created base modules for Puppet.
• Analyzed multiple modules from puppet forge and have rewritten few modules as per client requirement.
• Strong experience in configuring Zeta byte File System(ZFS)
• Strong experience on WebserversTomcat& Apache and WebLogic/WebSphere App servers
• Good experience on Hadoop Distributed Filesystem (HDFS)
• Configured kick-start server and updating/applying patches to the servers using RedHat Satellite server.
• Deployed RedHat Satellite Server with custom repositories to provide a stable management solution for Linux environment.
• RDBMS installation and support including Oracle, SQL Server, MySQL,
• Good experience on installation/upgradeVMwareESXi 4.1/5.0/5.1
• Configuring VMware Virtual Hardware, Memory, NIC and VDISK
• Good experience on VMware migrating P2V/V2V using VmotionandDRS, HAconfigurations
• Strong in troubleshooting ESXiandguest OS related issues
• Design and implement Linux kernel modules for custom hardware
• Design, maintain, and extend continuous integration systems using Jenkins and CodeDeploy
• Define architecture standards, policies and procedures for the organization, structure, attributes, design documentation, data flow, security and nomenclature of data elements, and apply accepted data content standards to technology projects using MS Visio, LucidChart and Canva
• Work on major Openstack components like Cinder (Block Storage), Nova (Compute), Glance (Image Service), Swift (Object Storage), Horizon (Dashboard).
• Storage and system administration for various Labs in Openstack environment.
• Configure Hitachi HUS110, HP MSA, Pure arrays and SolidFire clusters.
• Wrote CF engine bundles to make the implementations reusable, expertise with Linux, including system installation / configuration.
• Used configuration management tools Chef, Puppet, and CF Engine.
• Supported host provisioning using satellite, Kick-start, CFEngine.
• Good experience on BMC Blade Logic tool to Controlling and Automating the servers configuration
• Analyzing and reviewing the System performance tuning and Network Configurations
• Strong experience in StorageNetworks and Backup and SAN implementations
• Experience onconfiguringOracle ASM/RAC
• Good exposure on Storage Area Networks (SAN), of EMC Clariion, EMC Symmetrix
• Good Knowledge on shell scripting languages like Bourne shell, Korn, Perl shell.
• Experience of working in Data centers with 24X7 Production and On-Call Environments.
• Excellent communication & interpersonal skills. Proven strength in troubleshooting, problem solving, coordination, analysis and a proven track record of success.
• Worked on DevOps environment with Github, Jenkins.
• Worked on puppetmaster server configuration, created client agents. Created modules and manifests.

SKILL:

Operating System: SunSolaris8,9 & 10 Linux (RedHat5.x,6.x SUSE 10, 11), HPUX 10.20,11.11,11.23, 11.31, AIX, Windows 2003/2008,VMware ESX 4.x.5.x

Hardware: SunFire E20K,CoolthreadsTseries(T1000/T2000), M8000/9000 Series, V 480/4800/3800/12 K Server, Sun Enterprise 6500/5000/450/420 R/250 Servers, SPARC server 1000/20, HP 9000 K,L,N class server, HP Proliant series IBM RS/6000, pSeries

Storage: SAN, EMC Symmetrix/Clariion, iSCSI, SNAP, NAS, HP P4500/p4800 Storage Subsyste, CommVaultSimpaniWeb /Application Server: Tomcat, Apache, WebSphere, WebLogic, SAP NetWeaver.

Cluster: - Veritas Cluster Server, Sun Cluster, Service Guard, IBM SVC

Languages: UNIX Shell Scripting, Perl, ksh, sh, J2EE, JAVA

Databases: Oracle8i/9i/10g, MS SQL 2000 and Sybase 11.9.2

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

Sr. UnixSystem Administrator

Responsibilities:

• Installation, configuration and upgrade of RedHat Linux 5/6 operating systems
• Performed upgrades, package administration and support for over 2000 Linux servers.
• Configured and installed Red hat Linux Servers using kickstart.
• Implementing file sharing on the network by configuring NFS on the system to share essential resources
• Worked on performance tuning in Linux.
• Performed system logs administration for issues detection and resolution
• Performed package and patching management and debugging in all flavors of Unix& Linux
• Patch and Package administration for installation of patches as per company policy and installation of packaged application.
• Performed day to day health check and maintained the servers by taking the down time from the users.
• RPM package administration using RPM Build.
• Performed day to day health check and raised tickets if there is an error in the servers.
• Responsible for setting up a disaster recovery plan for the servers, which includes in development of programs for synchronized backups.
• Responsible for setting up a disaster recovery plan for the servers, which includes in development of programs for synchronized backups.
• Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs.
• Design and implement Linux based device embedded applications to provide control and monitoring of hardware, to provide data conversions and networking
• Design and implement Linux kernel modules for custom hardware
• Design, maintain, and extend continuous integration systems using Jenkins and CodeDeploy
• Define architecture standards, policies and procedures for the organization, structure, attributes, design documentation, data flow, security and nomenclature of data elements, and apply accepted data content standards to technology projects using MS Visio, LucidChart and Canva
• Work on major Openstack components like Cinder (Block Storage), Nova (Compute), Glance (Image Service), Swift (Object Storage), Horizon (Dashboard).
• Storage and system administration for various Labs in Openstack environment.
• Configure Hitachi HUS110, HP MSA, Pure arrays and SolidFire clusters.
• Working on System Security hardening
• Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure / add new services as necessary.
• Implemented OS hardening.

Environnements: Solaris 8/9/10, Red Hat Enterprise Linux 5/6/7, VERITAS Volume Manager, Veritas File Systems, Veritas Cluster, LVM. SUN Enterprise- E 5000/5500/6500, SUNFIRE 3800/4800/6800, E10K/15K, TSeries, MSeries Servers, HP-9000, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, IBM e-Server Regatta P690, P570, RS6000, IBM/HP/DELL Blade Servers, Solaris 10/9/8, HP-UX (11.00, 11.11, 11.23, 11.31), IBM AIX (5.1, 5.3), Red Hat Linux (RHEL 3/4/5), Veritas File System, Veritas Volume Manager, Veritas Cluster Server, ORACLE, DB2/UDB

Confidential, Franklin Lakes, NJ

System Developer/Admin

Responsibilities:

• Installation, configuration and upgrade of RedHat Linux 5/6 operating systems
• Performed upgrades, package administration and support for over 2000 Linux servers.
• Configured and installed Red hat Linux Servers using kickstart.
• Implementing file sharing on the network by configuring NFS on the system to share essential resources
• Worked on performance tuning in Linux.
• Performed system logs administration for issues detection and resolution
• Performed package and patching management and debugging in all flavors of Unix& Linux
• Patch and Package administration for installation of patches as per company policy and installation of packaged application.
• Performed day to day health check and maintained the servers by taking the down time from the users.
• Design and implement Linux based device embedded applications to provide control and monitoring of hardware, to provide data conversions and networking
• Design and implement Linux kernel modules for custom hardware
• RPM package administration using RPM Build.
• Performed day to day health check and raised tickets if there is an error in the servers.
• Responsible for setting up a disaster recovery plan for the servers, which includes in development of programs for synchronized backups.
• Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs.
• Working on System Security hardening
• Design, maintain, and extend continuous integration systems using Jenkins and CodeDeploy
• Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure / add new services as necessary.
• Implemented OS hardening

Environnements: Solaris 8/9/10, Red Hat Enterprise Linux 6/7, VERITAS Volume Manager, Veritas File Systems, Veritas Cluster, LVM.

Confidential, MilwaukeeWI

Unix/Linux System Administrator

Responsibilities:

• Installation, Configuration & Upgradation of Solaris 11/10/9 and Linux 6/5 operating systems.
• Involved in creating logical volumes, backups, managed large hard disk farms and resized disk partitions using Logical Volume Manager (LVM) commands on Red hat Linux, and used VERITAS commands for VERITAS file system
• Configured NFS Servers, NIS+ Servers, NIS+ Clients, Diskless clients and Auto clients and auto-mounted the file systems using direct and indirect maps. Also setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems.
• Responsible for Installation, configuration, Maintenance, Deployments, Update Ears, Monitoring, performance tuning, JVM Load/Stress, Testing of Web Sphere Application Server 6.1 on Solaris and Linux.
• Wrote CF engine bundles to make the implementations reusable, expertise with Linux, including system installation / configuration.
• Used configuration management tools Chef, Puppet, and CF Engine.
• Supported host provisioning using satellite, Kick-start, CFEngine.
• Configured and administered Kerberos, SAMBA, SFTP, FTP, DNS, NIS, NIS+, NFS and send mail.
• Experience in Storage multipathing, IPMP (Solaris) and Bonding (Linux)
• Configured Global File System (GFS) with Redhat Cluster Suite and supported Oracle RAC (Real Application Cluster Server)
• Installed/Configured VMware ESX servers, Virtual Center, Virtual center database and performed VMware backup and restore operations.
• Configuration of VERITAS Cluster Server and Redhat Cluster Server from the scratch.
• Worked with SAN/NAS in EMC Symmetrix DMX 4 configurations and installation/configuration of power path.
• Created and expanded File Systems on demand from DBA's using VERITAS volume manager and also using native UNIX utilities.
• Using and configuring RedHat Satellite server, Yum repositories and Troubleshooting activities
• Expertise in managing Virtual RedHat Linux servers running on VMWare ESX 4/5.
• Configuring local and ISCSI disk devices LVM/VXVM
• Good knowledge on configuration management tools like Puppet. Created base modules for Puppet.
• Analyzed multiple modules from puppet forge and have rewritten few modules as per client requirement.
• Performing backups of data using netbackup
• Applying software updates and changing the configurations using HPSA tool
• Installing, configuring new hardware and software
• Configuring VCS service groups, resources
• Working with Account Management to configure PAM/Winbind/LDAP/Active DirectoryCreating VM account Management, Access Rights and set password and group configurations
• Managing swap configuration, CPU optimization, memory maintenance
• SchedulingAutomatedjobsforbackups, refreshes and failover
• Configuring VCS service groups, resources
• Troubleshooting VCS engine startup, resources issues
• Maintaining system performance by performing system monitoring and analysis .
• Creation of virtual disks and assigned CPU threads by using Logical Domains (Ldoms)
• Working on System Security hardening
• Installation and configuration of Veritas Volume Manager, LVM, Veritas File System, and Veritas Cluster Server
• Installation, configuration, administration, and maintenance of Veritas Netbackup application
• Maintenance of Veritas/Sun/Redhat Cluster Server for high available systems and configured resource group/service groups from scratch and tested for failover
• Configuration of NIC bonding and IPMP on Linux and Solaris
• Configuration of Global File System (GFS) and SFRAC for oracle RAC cluster configuration
• Supporting and troubleshooting Linux and UNIX servers’ day to day problems
• Involved in installation of Autosys, scheduling interactive jobs and syncing thing data.
• Involved in migration and consolidation of Unix Servers in Production data center activities.
• Ticketing Tool used BMC Remedy PAC2000. Worked on CR (Change Request), WR (Work Requests), PR (Problem Tickets).
• Providing 24*7 on-call support on rotation basis and Handling High priority incidents through bridge calls.

Environment: Linux (RHEL 4.x &5.x), SUSE 11/10, Solaris 10/9/8, Oracle RAC 11/10g, VERITAS Cluster Server (VCS), VERITAS Volume Manager (VVM), SUN Servers, SUN Fires, Fuji, HP hardware, CMC, Tivoli Monitoring, WebSphere Application Server 5.x/6.0/6.1, LDOM’S F5 Load balancers, Net Apps, LDAP, EMC Storage SAN, VMWare servers, Sybase and Oracle Database.

Confidential, Dallas TX

Systems Engineer

Responsibilities:

• Installation, Configuration and Upgrade of Solaris 8/9/10, Redhat Linux AS 4/5
• Installing, configuring and maintaining the VMware ESX 3.x / VirtualCenter 2.xservers.
• Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server.
• Extensive experience with working on Solaris Volume Manager (SVM), creating meta devices, soft partitions, mirroring the devices.
• Configured kick-start server and updating/applying patches to the servers using RedHat Satellite server.
• Deployed RedHat Satellite Server with custom repositories to provide a stable management solution for Linux environment.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Updating YUM Repository and Redhat Package Manager (RPM).
• Expertise in Configuring NFS, DHCP and DNS on servers.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations.
• Performed setting up Configuration Server and Boot Server for Jumpstart process and using tape-Recovery for file system recovery.
• Configuration of Zones/Containers in Solaris10.
• Wrote CF engine bundles to make the implementations reusable, expertise with Linux, including system installation / configuration.
• Used configuration management tools Chef, Puppet, and CF Engine.
• Supported host provisioning using satellite, Kick-start, CFEngine.
• Disk mirroring andRAID (0/1/5) implementation using SVM/LVM/VxVM.
• Good knowledge on configuration management tools like Puppet. Created base modules for Puppet.
• Analyzed multiple modules from puppet forge and have rewritten few modules as per client requirement.
• Service management on Solaris 10 thru SMF (Service Management Facility) svcs, svcadm, svccfg etc.
• Installation, configuration and administration of Redhat Cluster Suite, Veritas cluster Server and HP Service Guard.
• Configure Web Logic, Websphere servers and APACHE and TOMCAT Server with JAVA Application tools on Red Hat and Hp UNIX servers environment.
• Scheduling of automatic repetitive Jobs, and Shell Scripts with Crontab.
• Participated in root-cause analysis of recurring issues, system backup and security setup, Worked in 24X7 support in Production and development environments.
• Trouble shooted various problems when working with Installing and configuring OS and network device remotely in various site.
• Worked on Data Center Migration Project. Migrated Linux/Unix Servers from one data center to other data center with minimal downtime.
• Worked on Solaris 10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Created Zettabyte file system (ZFS) in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
• Hands on Experience working on AIX servers with clusters and volume management.
• Installed KVM Virtual Guest using for KVM hosts.
• Configured System imager for Linux Servers and used it for Cloning of images from one Physical to Virtual disks.
• Was working with Vmware team for installing and configuring Virtualization servers.
• Created/used LDOM in Solaris 10 and installed multiple OS.
• Configured Sun Patch Manager for periodically updating the patches and Security Alert Patches on.
• Configured Weblogic, Apache and Java on linux production servers.
• Was involved in building new HP-UX servers using ignite build.
• Configuration of VERITAS Cluster Server, Service Guard from the scratch and maintained service group/packages for failover and redundancy purpose.
• Was managing server rollout project for HP-UX, Solaris and Linux Servers which involves the upgrade of packages and patches.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Managed multimode Redhat Cluster Server, MC/Service Guard packages and VCS Service Group including modifications and tuning.
• Managed scheduling patch rollouts using Change Management.
• Day-to-day production issues fixed using Incident Management.
• Installed and configured VMware Virtual environments with ESX 3.x servers and Virtual Center 2.X.
• Managed VMWare guest OS including Red Hat Linux AS and ES versions.
• Installed and configured file and Application servers running on Sun servers
• Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
• Worked with Storage team to configure EMC SAN, NAS and iSCSI configuration.
• Managed Users for Solaris, HP-UX and Linux Servers and assigned rights to access network resources.

Environment: Redhat Linux 5/6, Solaris 11/10/9/8, HP-UX 11.0/11.11, NETBSD 6.1/5.02, SCO Unix, Sun SPARC T5-2/M4000/M3000, Sun X3-2L, X4600/4800, X4440, X4150, HP DL380 Gen7/Gen 8 servers, Dell PowerEdge R620/R610, Dell 1950 Server.

Confidential

Linux / VMware Administrator

Responsibilities:

• Installing, Configuring Redhat Linux5/6 and Solaris 10
• Setup of NIC (Bonding/IPMP) and Storage Multipathing (DM/MPXIO)
• Configuring HBA’s using native drivers and lputil
• Setting up OS mirroring using the tools (LVM/SVM/VXVM)
• Applying patches and new products using Novell-ZENworks agent, Yum and HPSA tool
• Setup disk Multipathing for new SAN disks and configuring disk groups and volumes
• Managing swap configuration, CPU optimization, memory maintenance
• Managing Samba and ApacheWeb Services
• Setting up DNS and DHCP network services
• Configuring NFS andAutofsnetwork filesystems
• Configuringlogical disk groups, VolumesandVXFS 5.1/6.0Filesystems
• Installing and configuringVeritas Cluster Server VCS 5.1/6.0 configuring LLT/GAB communications
• Configuring VCS service groups, resources
• Troubleshooting VCS engine startup, resources issues
• Configuring and scanning new oracle ASM Disks
• Managing VMs using vCenter vSphere
• Using BMC Blade Logic automation tool to setup the multiple admin tasks
• Installing and managing software packages
• Utilizing HPSA, Remedy tools to setting up change, work order, Problem and incident tickets.
• Configure and troubleshoot the network file systems (NFS), ZFS, zones, and network information service (NIS) environment
• Creation and modification of local and global zones, zone parameters, and file systems on local and global zones
• Working with file/disk encryption technology/products on servers, Vormetric Data Secuiry tools, and File System Encryption
• Installation of RPM packages to upgrade Linux packages
• Design, develop, and support UNIX system images using Solaris jumpstart, HP-UX Ignite, and Redhat Kickstart
• Performance tuning and capacity planning of Solaris servers
• Configure Linux Redhat servers with Kickstart, LDAP, DNS, and DHCP and connect to Network. Integration of Windows Active Directory with Linux/Unix Servers
• Performed installation of HP-UX Ignite (Ignite-UX) and Solaris Flash Archive (FLAR) with Jumpstart on various servers throughout the infrastructure
• Working on installation, configuration, and volume/File system management using Logical Volume Manager (LVM), Veritas Volume Manager, and Solstice Disk Suite (Solaris Volume Manager).

Environment: RHEL3/4,HP-UX(10.20,11.00,11.11,11.23,11.31),Solaris(8,9,10),AIX5.3,6.1, Sun Enterprise 4500/6500/450/420 R/250 server, HP 9000 K,L,N, RP Series and Superdome class server,IBM Blade Series.