SUMMARY

• Around 7+ Years of experience in RHEL 3.0/4.0/5.0/6.0 , SUSE Linux, Redhat Linux / Solaris, Unix Administration on Sun, HP Servers for Mission Critical and Enterprise applications.
• Experience in installation and implementation of Red hat Linux, Solaris 8, 9, 10, HP - UX, Windows NT/XP in Open Systems environment.
• Experienced in system administration, System planning, co-ordination and group level and user level management.
• Configuration, implementation and administration of NFS, NIS, DNS, BIND and Sun Cluster and LDAP on Solaris and Linux environment.
• Understanding and troubleshooting skills with networking communications and protocols such as TCP/IP, NFS, DNS, BIND, SMTP.
• Experience with Virtualization technologies like Installing, Configuring and administering VMware ESX/ESXi and created and managed VMs (virtual server) and also involved in the maintenance of the virtual server.
• Expertise in creating and managing Logical Volume Manager in Redhat Linux.
• Expertise in Installation, Configuration of Package and Patch Management.
• Experience in Disaster Recovery and Planning.
• Problem determination, Security, Shell Scripting.
• Perform multiplatform volume management using SVM, LVM, ZFS, NAS, and VERITAS volume manager. .
• Red Hat Linux server administrator, including security patching, kernel tuning, RAID disk array mgmt, software packaging and installation using RPMs.
• Experience on backup and recovery software like Net backup 5.0 and 6.0 on Linux environment.
• Installation, administration, implementation, testing and maintenance of complex and heterogeneous networks consisting of Linux (Red Hat), Sun Solaris 8/9/10, IBM AIX, Windows NT, and Peripherals.
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Jboss servers in Sun Solaris and Linux environment.
• Created Virtual Server environment using ESXi V4.
• Experienced in installing LAMP (Linux, Apache, MySQL, and PHP) for different applications.
• Hardware configuration, installation and management on Sun, HP servers and Workstations.
• Handling and generating tickets via the Remedy ticketing tool.
• Configured ILOs and Console connections for HP and SUN servers.
• Knowledge of Routers, Switches, Hubs, Firewalls, LAN, WAN Intranet, Internet.
• Maintained high availability of data using Oracle Real Application cluster Server and Sun Cluster.
• Excellent Project Management experience.
• Systems and network Planning and Administration.
• Backup and Restore Management like backup, Tape library and Disk library and EMC.
• Excellent verbal communication skills and strong documentation skills.
• Have the working knowledge on the Amazon web services.

TECHNICAL SKILLS

OPERATING SYSTEM: SLES 10, 11, Solaris 10/9/8, HP-UX (10.20, 11.00, 11.11, 11.23), IBM AIX (4.3, 5.1L, 5.3L), Red Hat Linux (AS/ES 3/4/5), Windows NT 4.0/2000/2003/ XP/vista

HARDWARE: HP Gen 8 Blade and Rack mount Servers, Sun Fire 280R/V 480/4800/3800/12 K/15K, TSeries, MSeries Server, Sun Enterprise 6500/5000/450/420 R,, HP 9000 K,L,N class server, rp8xxx/7xxx, IBM RS/6000, pSeries, Xseries, HP/IBM/Blade Servers.

STORAGE: NetBackup, SAN EMC Symmetrix 800/ DMX1000, 2000 & 3000, EMC Clariion 500, 600, 700, NetApp NAS 2000/ 3000 series

Web /Application Server: Apache Tomcat, WebSphere, WebLogic.

CLUSTER: Oracle Real Application Cluster.

LANGUAGES: UNIX Shell Scripting, Perl, Python.

PROFESSIONAL EXPERIENCE

Confidential, BRENTWOOD TN

LINUX ADMINISTRATOR

RESPONSIBILITIES:

• Provided system support for 2000+ servers of SUSE Linux and Redhat Linux including routine maintenance, patching, and system backups and restores, and software and hardware upgrades.
• Worked on building new SUSE & Redhat Linux servers, support lease replacements and implementing system patches using the HP Server Automation tool.
• Veritas Storage Foundation Suite 5.0 which includes; VxVM, Veritas Volume Management, VxFS, Veritas File System and VCS, Veritas Cluster Server.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 5.1.
• Experience in installation and implementation of SLES 10, SLES 11 and Redhat Operating Systems.
• Configuration, implementation and administration of Clustered servers on SUSE Linux environment.
• Experienced in system administration, System planning, co-ordination and group level and user level management.
• Developed self-service tools to scale out program within AWS; built internal newsletter, wiki page, and web form
• Responsible for large-scale Puppet implementation and maintenance. Puppet manifests creation, testing and implementation.
• Performed the automation using RHEL, Chef Configuration management and managing the infrastructure environment with Puppet.
• Expertise in creating and managing Logical Volumes in SLES Linux.
• Performed automated installations of Operating systems SUSE Linux using autoyast.
• Experience on backup and recovery software like Net backup on Linux environment.
• Systems and network Planning and Administration.
• Expertise in setting up Nagios Monitoring software.
• Supported production systems 24 x 7 on a rotational basis.
• Understanding of Microsoft System Center: Creating and Implemented Changes on servers and documented the change in the Microsoft System Center for future reference.
• Resolved Security Access Requests via Peregrine Service center to provide the requested User access related requests.
• Expertise in Installation, Configuration of Package and Patch Management.
• Handling and generating tickets via the BMC Remedy ticketing tool.
• Experience with HP Gen 8 blade servers and rack mounted servers.
• Coordinated Hardware configuration, installation and management as well as. Configuration of ILOs and Console connections for HP Gen 8 Blade and Rack mounted servers.
• Experience with setting up Linux servers for ‘Oracle Real Application Clusters and configuring SAN based mount points.
• Excellent Project Management experience.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, sar, vmstat, ps, iostat etc.
• Configuring and maintaining network services such as LDAP, DNS, BIND, NIS, NFS, Web, Mail, FTP.
• Creating new file system, managing & checking data consistency of the file system.
• Created new file systems using Raw Device Mapped lun’s, Virtual Disks and SAN storage as per required.
• Successfully Migrated virtual machines from legacy Virtual environment Vmware Vsphere 4.1 to new Vmware Vsphere 5.1.
• Successfully upgraded SUSE Linux 10 to SUS’E Linux 11 on an Oracle production standby server without losing any of the database information.
• Documented the procedure of Obsoleting servers resulting in considerable reduction in time and mistakes for this process as well streamlining the existing process.
• Communicated and Coordinated with customers internal/external for resolving issues for reducing downtime.
• Experience in Disaster Recovery and Planning.
• Problem determination, Security, Shell Scripting.
• Perl and Shell Scripting on Command line.
• Created and modified SQL*Plus, PL/SQL and SQL*Loader scripts for data conversions.
• Developed and modified triggers, packages, functions and stored procedures for data conversions and PL/SQL procedures to create database objects dynamically based on user inputs.
• Wrote SQL, PL/SQL, SQL*Plus programs required to retrieve data using cursors and exception handling.
• Supported after-hours to meet deadlines as well as for operational support as required.
• Proven experience in end-to-end problem determination/troubleshooting system issues.
• Thorough understanding of networks and storage systems.

Environment: SUSE Linux 10, 11; HP Gen 8 Blades and Rack mount Servers, HP Server Automation, Vmware Vsphere 4.1 and 5.1, Amazon Web Services AWS, PL/SQL, Shell, Perl, Oracle, Microsoft System Center, IBM Storage, and NetBackup Storage.

LINUX Administrator

Responsibilities:

• Installation, Configuration and upgrade of Redhat Linux (2,3,4,5), CentOS, SUSE, Solaris, AIX, HP-UX & Windows /2008 Operating System.
• User Administration, management and archiving.
• Configuring NFS, NIS, NIS+, DNS, Auto Mount & Disk Space Management on SUN Servers.
• Experience in Configuring and Managing Virtual Disks, Disk Mirrors & RAID Levels.
• Data Center Migration support for CX, DMX attached hosts.
• Worked with OVF "Open Virtual Machine Format" supported tools VirtualBox, Redhat Virtualization (XEN), and VMware Workstation.
• Experience with RHEL, Puppet and Chef Configuration management tool.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Jboss servers in AIX, Sun Solaris and Linux environment.
• Troubleshooting Oracle RAC multiple nodes, RAC one node environments
• Experience in Active directory configurations and support.
• Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based mount points.
• Performed centOS and custom Linux deployments utilizing Packer, Puppet and Chef with scalability in AWS.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
• Experience in storage administration support with EMC Symmetrix / DMX, Clariion, NetApp NAS filer and Brocade / Cisco Fiber Switches for zoning purposes.
• Troubleshooting host-based connectivity issues related to EMC software like PowerPath, Navisphere, ECC client software and third-party HBA's (Emulex and Qlogic).
• Emulex and QLogic HBA cards installation and configuration of the host servers.
• Experience with Connectrix Manager and Data Fabric manager, Zoning, LUN allocation, Storage allocation to storage groups.
• Troubleshoot network issue from the OS stand point using netstat, ping, traceroute, and tcpdump commands.
• Open ports for applications and process that require special ports.
• Backup MySQL database by creating script to run the mysqldump and package it in a gzip file.
• Manage user and database on the MySQL database.
• Migration of PHP and Ruby applications to a LAMP platform using RVM
• Troubleshoot OS issue using system message logs.
• Troubleshoot NeuStar NumeriTrack, OrderPath, NumberManger applications issue with customer.
• Troubleshoot Web Services API, Apache Tomcat, and Corba issues
• Install packages using RPM.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, sar, vmstat, ps, iostat etc.
• Expertise in creating and managing Logical Volume Manager in AIX, HP-UX and Redhat Linux.
• Server Consolidation and Migration of Applications on Oracle Enterprise and Java Applications.
• Experience in building Production Servers and validation for new build releases.
• SENDMAIL configurations and administrations, testing the mail servers.
• Creating new file system, managing & checking data consistency of the file system.
• Monitor, Modify and Optimize NetBackup activity, backup schedules and reporting to proactively avoid issues.
• Worked on Acronis Agent Installation, backing up the Physical Server, deploying the New VM on KVM hypervisor.
• Worked on Recovery from failed restore, post deployment VM Setup.
• Worked on MySQL Migration Level, Created MySQL Master Replication Detail Plan, MySQL Slave(s) Replication Detail Plan.
• Exposed to Puppet or Chef Configuration management tools
• Performed automated installations of Operating systems using Jumpstart, Flash Archive Ignite for HP-UX.
• Installation of Packages and Patches for AIX, Solaris 8/9/10, Redhat Linux 4/5, HP 11.X.

Environment: Redhat (2,3,4,5), CentOS and SUSE Linux, Solaris 8 / 9 / 10, Sun Enterprise Server, Oracle RAC, HP 9000 K, L, N Class Server, IBM RS/6000, pSeries Server, NetBackup 5.0, AWS, SAN EMC Clariion CX 700/ CX 600/ CX 500, EMC DMC 2000/ 3000, NetApp NAS 3000, Windows NT 2003/2000/ XP.

Confidential, Sandiego,CA

Unix/Linux Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Linux, Solaris, AIX, HP-UX, Linux operating systems, Installation of patches and packages.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Maintained Server 6.0. Backup data of Servers using Net Backup. Maintained Security of the Solaris Servers.
• Worked on Solaris 10 container technology, configured separate zones for various applications.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Designed and Implemented back up solution for the Network
• 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
• Networks stack tuning for apache webservers. Netbackup management server builds using jumpstart and kickstart.
• Manage users accounts for the team access for Redhat Statellite server.
• Build Channels and pull packages from master Redhat Statellite server.
• Experience in EMC CLARIION SAN,NAS, and DAS installed & configured, implemented clustering, high availability (HA), and Fail over.
• Experience in providing day-to-day user administration like adding/deleting users in local and global groups on Red Hat Linux platform and managing user’s queries.
• Experience in Administration, implementation and support of OS RHEL 4/5.
• Worked with DB teams for setting up ASM LUNs over SAN NFS and NAS environment aware, worked with Hitachi and oracle 7000 series from Unix perspective.
• Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing
• Worked on creating user accounts, user administration, local and global groups on Solaris platform
• Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.
• Administrated NFS, NIS, DHCP and DNS Samba services running on AIX, Sun Solaris and Red Hat Linux.
• Worked with Storage team to configure EMC SAN, NAS and iSCSI configuration.
• Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Backup and Recovery from tapes using ufsdump, ufsrestore, and tar and cpio file system administration.
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.
• Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
• Monitoring the hosts and networks using sar, Iostat, VMstat, MPstat and Other Tools
• Managed Users for AIX, Solaris, HP-UNIX and Linux Servers and assigned rights to access network resources.
• Supported front-end and back-end Microsoft Exchange servers including, multiple information stores, SMTP, and filtered SPAN using DNSBL & Mail Essentials.
• Installing and Managing Virtual Center 5.5.Upgrading from VMware ESX server from 3.5.0, 4.0.0, and 5.0 in environment.
• Install and configure the hardware agents on the ESX servers for Hardware monitoring and alerts (SNMP & Open Manager).
• Installed packages using YUM and RPM.
• Frequently checked ESX server logs for any problems and troubleshoot whenever necessary.
• Implemented a Database enabled Intranet web site using LINUX, Apache, MySQL Database backend, HTML and PHP scripting for Database access via web browsers.

Environment: Redhat Linux, RHEL, Solaris 9/8/10, HP-UX 11.0, AIX 5L,Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, HP 9000 K,L,N class server.

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris, AIX, HP-UX, Linux and Windows-NT operating systems.
• Installation Packages and patches.
• Supported 24/7 high availability production servers.
• Monitoring System using HP/ITO, Do kernel tuning to enhance the system Performance.
• Configuration and Administration of DNS, NIS, NIS+, NFS, send mail.
• Installation, configuration and remediation of various Security software
• Expertise in VMware Virtualization using Vsphere 4.0.
• 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.
• Interaction with vendors for Hardware and software supports.
• Configuration and Administration of Veritas Cluster and MC Service Guard.
• Disk and File system management through LVM and SVM.
• Installation and configuration of Apache and Websphere Server in Linux Platform.
• Backup management through Netbackup. Creation of Volumes and pools and scheduling the job.
• Installation and configuration of Network Printer with Centralized control of print client.
• Database Backup and Recovery. Performance Monitoring and Tuning
• Planning and setup of Disaster Recovery Servers.
• Worked extensively on VERITAS Operations Manager(VOM).
• Lockdown the local accounts to secure the environment using NIS.
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Trouble shooting of day to day system and user problems.
• Arbitrated Customer/User meetings to establish needs, initiated/managed risk assessment team, define expectations and explain capabilities of current technologies.
• Documented (formally) system requirements
• Oversaw customer installation and acceptance testing of the product, Product resided on Sun configuration.
• Trained customer user community.
• Assisted team members in contracts, availability / problem resolution, technical Tier 1/2 support and security.

Environment: Solaris 8/9/10, HP-UX, 10.x/11.x, AIX 4.x/5.x, Windows NT 2003/2000/ XP, NT, Redhat 5, SUSE, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1,5,10.

Confidential

UNIX/Linux Systems Administrator

Responsibilities:

• Responsible for day-to-day System Administration for SUN SOLARIS servers.
• Build the E450 and 6000 Servers with Solaris operating system.
• Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery
• Systems performance monitoring.
• Experience with VMware Virtualization.
• Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
• Configured the Send mail client side for Sun Solaris servers.
• Responsible for troubleshooting end user and application problems.
• Veritas File system and Veritas Volume Manager 2.5 are used to configure the RAID 1 and RAID 5 Storage Systems.
• Creating User accounts, Mail account, groups, printer etc
• Installing operating systems, patches, hardware, vendor software packages, system customization and documentation of all departmental UNIX, PC-based workstations and Terminal.
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Creation/Configuration of Additional swap/ tmp dynamically as and when required.
• NFS Management - Take care of user accounts/groups, setting up of NFS Environment.
• Solving the problems as & when created when NFS data being accessed.
• Configured auto mounts/maps for the user accounts. Administration/Configuration of Print Servers/Clients in the Network.
• Provisioning, remediating and implementing hardware which included servers like Sun x2200, x4100, x4200, x4250, T2000, T5440, M3000, M5000, Dell R805, R905 and configuration of LDOMS on the T series servers.
• Involved in SAN migrations at host level using LVM mirroring and SVM Mirroring.
• Creating LDOMs, installing Solaris, creating volumes, installing packages.
• Administration of RHEL 5, 6 and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Assembling the systems and installing operating system and application software.
• Designing computer displays to accomplish goals using flowcharts and diagrams.
• Installing Operating Systems and Application Software.
• Troubleshooting Backup and Restore problems Creation of LVMs on SAN using Linux utilities
• Wrote Technical documentation for various projects and worked with Technical writer to finalize the documents.
• Training for users to use the program.

Environment: Solaris 10/9/8/2.x, HP-UX 11.0/11i, AIX 4.3, 5.1/5.3L,Sun E10K and E15K Servers, Sun Enterprise 6500/500/4500/450/ 420 R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, JBODs Compaq servers, Solstice Disk Suite, Oracle 7.x/8.x