SUMMARY

• Over 7+ Years of experience in RedHat Linux (7.x/6.x/5.x) / Solaris8.x/9.x/10.x, Unix Administration on Sun, HP Servers for Mission Critical and Enterprise applications.
• Installation, administration, implementation, testing and maintenance of complex and heterogeneous networks consisting of Linux (Red Hat), Sun Solaris, SuSE, Windows NT.
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Jboss servers in Sun Solaris and Linux environment.
• Hardware configuration, installation and management on Sun, HP servers and Workstations.
• Configured ILOs and Console connections for HP and SUN servers.
• Worked on Installation and Configuration of High available IBM FileNet Connector.
• Experienced in system administration, System planning, co - ordination and group and user level management.
• Configuration, implementation and administration of NFS, NIS, DNS, 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, SMTP.
• Ability to perform firmware and operating system patching.
• Expertise in creating and managing Logical Volume Manager in RedHat Linux.
• Expertise in Installation, Configuration of Package and Patch Management.
• Experience with Blade Logic project implementation for 2000+ servers including OS patching, provisioning custom reporting Development, BL packaging, Compliance reporting
• Experienced with installation, configuration of RAID volume management using Veritas Volume Manager and Solstice disk suit on Solaris Disk across & Quotas.
• Experience in Disaster Recovery and Planning.
• Experience with dynamically adding and removing san SAN storage on solaris.
• Working with SAN team for allocation of LUN's in order to increase file system space.
• Experience working in NFS/NAS, Storage Area Networks (SAN), SSA disk storage environment. Extensively performed SAN Migration.
• Good understanding of error logging subsystem and Performance Monitoring tools like vmstat, iostat, netstat.
• Extensively worked on Automatic Scripting using shell scripts (bash, awk, sed).
• Experience with development tools and version control tools such as CVS, ClearQuest, Perforce.
• Tasked with both virtual and bare metal server builds
• Experience on backup and recovery software like Veritas Net backup 5.1 and 7.5 on Linux environment.
• Expertise in TSM, Data domain and Falconstor in large scale enterprise backup environment.
• Handling and generating tickets via the Remedy ticketing tool.
• Strong understanding of LAMP stack and support of web applications and supporting components such as apache/tomcat/varnish/memcache.
• Knowledge of Routers, Switches, Hubs, Firewalls, LAN, WAN Intranet, Internet.
• Experienced in Monitoring system Access and Monitoring servers by using tools like Tivoli, HP openview and Nagios.
• Experience with configuration management and automation software such as Puppet and Chef.
• Experience in passing parameters to Control M job and creating job dependencies and Alerts.
• Maintained high availability of data using MC/Serviceguard, VERITAS cluster Server and Sun Cluster.
• Excellent Project Management experience.
• Configuring, Administration and Troubleshooting ofVMAXsystems which includes but not limited to Thin-Provisioning and Automated Storage Tiering.
• Experience in various file system management using VxVM, SVM, LVM and ZFS; and RAID configuration.
• Systems and network Planning and Administration.
• Backup and Restore Management like Veritas backup, Tape library and Disk library and Confidential .
• Understanding of security best practices and forensic techniques, eg, tcpdump, Wireshark, iptables, ipset.
• Good Working knowledge on the Snapshot technology in taking the backup snapshot copies of the different volumes. Scheduled backup and retention policies.
• Excellent verbal communication skills and strong documentation skills.
• Capability to learn and adapt quickly.

TECHNICAL SKILLS

Operating System: Solaris 10/9/8, HP-UX (10.20, 11.00, 11.11, 11.23), IBM AIX (4.3, 5.1L, 5.3L), RedHat Linux (AS/ES 3/4/5), VMware ESX 4.X, Windows NT 4.0/2000/2003/ XP/vista

Hardware: 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, IBM RS/6000, pSeries, Xseries, HP/IBM/Blade Servers.

VMWare: VMware Infrastructure Client and VMware ESX Server 5.x/4.x/3.x.

Network Protocols/Services: DNS/Bind, Samba, TCP/IP, NFS, Telnet, DNS, LDAP, SSH, DHCP, NAT, LAN, WAN, ARP/RARP, FTP/TFTP, ifconfig, route, netstat, xinetd, HTTP.

Storage: SAN Confidential Symmetrix 800/ DMX1000, 2000 & 3000, Confidential CLARiiON 500, 600, 700, NetApp NAS 2000/ 3000 series

Databases: MySQL, PostgreSQL, SQLite, DB2, Oracle

Web /Application Server: Apache Tomcat, WebSphere, Web logic

Automation Tools: Puppet, Chef, Kickstart

Mail Servers: SMTP, POP, IMAP, qmail, Sendmail, Postfix

Cluster: Veritas Cluster Server, MC/Service Guard, Sun Cluster

Languages: C, C++, Java, Shell, awk, Perl, Python

Security: SSH, SSL, IPchains, IPtables, Tcpdump, Wireshark, Tripwire, port scanners

PROFESSIONAL EXPERIENCE

Unix/LINUX Administrator

Confidential, Boston MA

Responsibilities:

• Building, administering, monitoring and troubleshooting RHEL4.x/5.x/6.x, AIX 6.1, HP BL460, DL 380 Dell and IBM X Series.
• Responsible for Monthly & Emergency Release activities such as moving the packages/code from Test, Staging to Production using CVS, SVN. Professionally handled various issues in Release Processes.
• Providing production support for multiples applications residing on Linux and Windows environments. Making sure Zero-Down time for enterprise critical applications by raising outages, escalations whenever necessary.
• Raised, handled and closed multiple Change Management and Trouble Management tickets accordingly with Standards.
• Performed and reported daily health checks for multiple application servers.
• Storage provisioning and administration of EMCVMAX,SymmetrixandClariionarrays usingSymcli, SMC 7.0, Navisphere and ECC 6.0
• Processing the work request like build and deploying the codes on UAT, Staging, and Production environments.
• Majorly lead in Unix-to-Linux Migration of BMC Remedy Applications and upgrading AR System 7.1 to 8.1.01. Personally installed Apache, Java, Oracle 11g, AR System, and Mid-Tier and migrated objects, data to AR System 8.1.01, and configured LDAP, AR Email Service, on cluster environment. Provided Post-Migration support for multiple Remedy Applications which involved deploying Emergency & Production Releases, monitoring services, fixing performance issues, installing security patches.
• Successfully completed upgrading backup application commvalut6.1 to commvalut 7.0.
• Conducted Annual Disaster Recovery exercises for applications on different platforms.
• Implemented thin provisioning from VMAX to UNIX (AIX, Solaris and Linux) and Windows2003/2008 (clusters) servers, and VMware ESX Servers.
• Worked with Storage Area Networks (SAN) which consisted of Hitachi and Confidential storage.
• Add, remove and resizing Logical volumes using LVM in Linux and implementing softwareRAID at installation time.
• Regular disk management, partitioning according to the requirements, creating new file systems or increasing existing ones, managing file systems and adding virtual swap space.
• Define/setup network protocols, Network File Services (NFS),and Network Information Services (NIS) in Linux Environments.
• Installed and configured VxVM, VxFS and VCS on Linux Servers.
• Creating VM instances using VMware/ESX on Linux and Sun Servers and migrating applications from others servers.
• Configure and Implementation of Samba v3.0 to help printing and file sharing in the mixed environment.
• Maintenance level upgrades and software administration RPM installation on Linux.
• Monitoring the system performance using tools like Tivoli End Point and BMC patrol.
• Server Monitoring using ColdFusion 9, 11 to track activities, identifying information about the server, including requests, queries, memory usage, and errors, start/stop services, collecting server information and recording snapshots of the server.
• Acquiring & Initializing LUNs in clustered environments on Windows Server 2008 R2.
• Scripting and task automation by Crontab using Bash, and Korn shell scripting.
• Created Bash Shell scripts to monitor system resources and system maintenance and Performed administrative tasks such as System start-up/shutdown, and Backup strategy and scheduled cron jobs for job automation.
• Performing O/S and kernel upgrades on Linux servers.
• Experience with configuring firewalls using Linux. Familiar with configuring advanced features such as NAT, Port Redirection, and Logging.
• Administrator of Confidential Unisphere, VMware vSphere 5.x/6.0, CommVault Simpana 10
• Providing Knowledge Transfer to new recruited Team Member.
• Performed host based SAN migration on Standalone and Cluster Linux servers
• Accessing and controlling LPARS using HMC
• Troubleshoot backup issues, Perform manual backups & restore using VERITAS Net Backup.
• Document and maintain the inventory using asset management techniques.
• Supporting servers on 24x7 basis on different platforms.

Environment: RHEL4.x/5.x/6.x,AIX 6.1, HP BL460, DL 380 Dell and IBM X Series, SAN, LVM, RPM, Tivoli End Point, BMC patrol, WebSphere, VERITAS Net Backup, Shell and Perl Scripting, BMC Remedy 8.1, 8.1.0x, ColdFusion 9, 11.

UNIX & Linux System Administrator

Confidential, Nashville TN

Responsibilities:

• Building, administering, monitoring and troubleshooting Windows, RHEL4.x/5.x/6.x,AIX 6.1, HP BL460, DL 380 Dell and IBM X Series.
• Responsible for building and configuring LAMP & LEMP (L: Redhat, CentOs, Ubuntu; A: Apache, Nginx ; P:PERL and PHP M: MySQL, Oracle) and Java (Jboss) Web servers using for internally developed applications using established build standards
• Linux system backup administration/monitoring using Confidential Networker 7.5.6. and Backup Exec 2012.
• Worked with Storage Area Networks (SAN) which consisted of Hitachi and Confidential storage.
• Involved in maintenance of systems including patching, setting up Print servers, Configuring File systems, using LVM/Veritas on HPUX/Linux/Sun Solaris OS, involving SAN environment
• Add, remove and resizing Logical volumes using LVM in Linux and implementing software RAID at installation time.
• Experience with SAML, HTP fed, web application proxy.
• Implementation ofFAST,VirtualandThin ProvisioningonVMAXstorage array
• Regular disk management like adding/replacing hot swappable drives on existing servers, partitioning according to the requirements, creating new file systems or growing existing one over the hard drives and managing file systems and adding virtual swap space.
• Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in Linux.
• Write and publish Bash and Perl scripts to facilitate the automation process and provisioning of a variety of Virtual Machines and Virtual Appliances, such as RHEL, CentOS and Debian.
• Responsible for automating build and monitoring tasks across AWS and Rackspace using a variety of tools such as MongoDB, NginX, Jenkins, and JIRA.
• Deployment and implementation of Tivoli, SRM, BMC Patrol.
• Utilized Remedy for change management, incident tracking, and process documentation
• Installed and configured VxVM, VxFS and VCS on Linux Servers.
• Installation and configuration of Web Application servers like Apache, Tomcat and Weblogic.
• Experience in installing, configuring and troubleshooting VMware View Composer and View Connection Manager to make Virtual Desktop Infrastructure efficient and to simplify desktop administrative management tasks. Responsible for successfully upgrading all hosts and vCenter servers to vSphere 4.1
• Configure and maintain virtual servers environment using VMWare ESX host, VCenter, VSphere.
• Configure and Implementation of Samba v3.0 to help printing and file sharing in the mixed environment.
• Maintenance level upgrades and software administration RPM installation on Linux using yum.
• Joined Linux server to Centrify zone, Adding users to Centrify and Mapped AD user to Linux server using Centrify.
• Worked on Solaris 11 container technology, configured separate zones for various applications.
• Upgraded Solaris 8 to Solaris 9 and 10. Configuring SAN Sun Storage. Through Brocade Silkworm Switches. Fiber Optics Switch for redundancy with multi-path.
• Evaluate, install, test, configure, maintain, tune, and troubleshoot Solaris 9/10/11, Red Hat Linux 5, AIX 6.1/5.3 operating system software and third party commercial off-the-shelf (COTS) products with primary responsibility being for the UNIX operating systems.
• Acquiring & Initializing LUNs in clustered & standalone environments.
• Managing/Administrating ESXi 4.1, 5.1 Hosts and Clusters on vCenter Server 5.1. Using vSphere Client 5.1, VMware Site Recovery Manager.
• Installation and configuration of Webserver (Apache 2.2.17), MySQL 5.5 and PHP in a LAMP stack.
• Management of Veritas Volume Manager (VxVM), Zettabyte File System (ZFS) and Logical Volume Manager.
• Provide drill down reporting for application teams to use in monitoring their application resource usage/performance using Nagios.
• Wrote Shell and Python scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.
• Install Cluster software and configured the system for failover of databases and applications.
• Wrote scripts in K-Shell and AWK programming language to automate jobs.
• Modify and write NetBackup scripts to automate process.
• Worked on configuring Puppet master servers and installing Puppet client on Linux servers.
• Involved in automation by using Puppet and Chef master running on RHEL with around 100 Clients.
• Monitor and ensure that backup server maintenance tasks are successful on a daily basis, correcting any errors when necessary.
• Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.
• Experience in applying Fix Packs, Refresh packs and Cumulative fixes to upgrade the existing WebSphere versions.
• Installation, Configuration and Maintenance of Weblogic. Installed and Configured apache, iPlanet and Plug-ins for WebLogic.
• Experience working with PowerVM / Advanced Power Virtualization technologies.
• Experience working in Cloud infrastructure using Hitachi/ Confidential SAN
• Implemented VDI (Virtual desktop infrastructure (VDI) technology using VMware VIEW
• Managed Control M Scheduling in Oracle to provide administrative level 2 support.
• Addition and configuration of SAN disks for LVM on Linux, and Veritas Volume Manager and ZFS on Solaris LDOMs.
• Experience in implementation Intrusion Detection System: Tripwire, Snort, Lids.
• Performed host based SAN migration on Standalone and Cluster Linux servers
• AIX6.1patching and OS disk migration
• OracleRAC, NDM, WebSphereinstallationandsupport on AIX and Linux Servers

Environment: RHEL4.x/5.x/6.x, Solaris 9/10/11, HP BL460, DL 380 Dell and IBM X Series, IBM Filenet P8, IBM p5, p6, and p7 hardware p670, p520, p550, p570, p750 - P5 P6 P7, SAN, LVM, Samba, RPM, Tivoli End Point, ESM, BMC patrol, OracleRAC, NDM, WebSphere, Confidential Networker, ESX host, Shell and Perl Scripting

Unix/LINUX SYSTEM ADMIN

Confidential, Cleveland OH

Responsibilities:

• Installation, Configuration and upgrade of RedHatLinux (2, 3, 4, 5), SUSE, Solaris and HP-UX Operating Systems.
• User Administration, management and archiving.
• Configuring NFS, NIS, NIS+, DNS, Auto Mount & Disk Space Management on Linux SUN Servers.
• Installed and Configured LAMP Server (Linux Redhat, CentOS, Apache, Jboss, MySQL Oracle, PHP Perl).
• Monthly security patches deployment on 200+ Linux test and production servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Expertise in performing firmware and operating system patching.
• Responsible for building / maintaining a production environment
• Checked and done the patch upgrade and Firmware upgrade for each migration server as and when required.
• Experience in Configuring and Managing Virtual Disks, Disk Mirrors&RAID Levels.
• Worked with NAS Storage with HBA card configuration.
• Created and managed file systems with SVM and ZFS
• Data Center Migration support for CX, DMX attached hosts.
• Cloud computing: Worked with OVF "Open Virtual Machine Format" supported tools Virtual Box, RedHat Virtualization (XEN), and VMware Workstation.
• Excellent Knowledge in Capacity Planning and Performance tuning.
• Activities include user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation using shell scripting (BASH, KSH) and Perl for RedHat Linux systems
• Experience in CFEngine automation software.
• Used CVS, VTFS, Perforce on UNIX and Windows environment.
• 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.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Setting up JBoss cluster and configuring apache with JBoss on RedHat Linux. Proxy serving with Apache. Troubleshooting Apache with JBoss and Mod jk troubleshooting for the clients.
• Installed Oracle, Dev framework, Jboss and several other policies on several production servers Via HPSA.
• Experience with Multipath Technologies.
• Experience in Active directory configurations and support.
• Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based devices for raw and File system mount points.
• Troubleshooting and analysis of hardware and software failures for Redhat Servers, Backup Servers and work with different vendors (HP, Confidential, Oracle, Redhat) to resolve the issue.
• Experience in storage administration support with Confidential Symmetrix / DMX, Clariion, NetApp NAS filer and Brocade / Cisco Fiber Switches for zoning purposes.
• Troubleshooting host-based connectivity issues related to Confidential 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.
• Worked on Performence Tuning and Monitoring IBM FileNet P8 Components.
• Extensively worked on Installation of Single-Server and Distributed IBM Filenet P8 Platform System.
• Windows 2000/2003 and 2008 Server Active Directory Administration
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, sar, vmstat, ps, iostat etc.
• Scheduled run jobs in Autosys, at, and crontab. Analyst productions and support over 100 users. Maintain disk space, delete core file and clean old files system every month end.
• Expertise in creating and managing Logical Volume Manager in AIX, HP-UX and RedHat Linux.
• Server Consolidation and Migration of Applications onOracle Enterprise and Java Applications.
• Experience in building Production Servers and validation for new build releases.
• Experienced in Monitoring system Access and Monitoring servers by using tools like Tivoli, HP openview and Nagios.
• Sendmail configurations and administrations, securing the mail servers.
• Expertise in Volume management, Disk Management, software RAID solutions using Veritas Volume manager.
• Creating File System, managing & checking data consistency of the File System.
• Setup and configure Veritas NetBackup 5.x, 6.x and 6.5x Net Backup server / client & tape libraries.
• Monitor Modify and Optimize NetBackup activity, backup schedules and reporting to proactively avoid issues.
• Troubleshooting hardware, software and operating system related errors on Linux including Hardware Maintenance and Upgradation.
• Installation of Packages and Patches for AIX, Solaris 8/9/10, RedHat Linux 4/5, HP 11.X.
• Disk and file system management through Veritas Volume Manager / Veritas File System and Solstice Disk Suite.

Environment: RedHat (2,3,4,5), VMware ESX 4.x and SUSE Linux, Solaris 8 / 9 / 10, Sun Enterprise Server, HP 9000 K, L, N Class Server, IBM Filenet P8, IBM RS/6000, pSeries Server, Windows 2003/2008 Server, NetBackup 5.0, Veritas Volume Manager 4.x/5.0, SAN Confidential Clariion CX 700/ CX 600/ CX 500, Confidential DMC 2000/ 3000, NetApp NAS 3000.

JR.LINUX ADMINISTRATOR

Confidential

Responsibilities:

• Installation, Configuration & Upgrade of Linux, Solaris, AIX, HP-UX, Linux operating systems.
• Experience in patching with live upgrade/standard install cluster and applying firmware.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Configured Solaris Jumpstart Server. Maintained Server 6.0. Backup data of Servers using VERITAS Net Backup. Maintained Security of the Solaris Servers.
• Performance monitoring and Tuning using top, prstat, sar, vmstat, ps, iostat etc.
• Shell Scripting to automate tasks on Solaris and Linux and automated jobs using Crontab.
• Configuration of VERITAS Cluster Server, Service Guard from the scratch and maintained service group/packages for failover and redundancy purpose.
• Worked on cronolog in Linux servers for managing the logs of the web servers and performed automation using shell and perl scripts.
• Extensively worked on Administering FileNet P8(Process Task Manager, Application Engine, Content Engine, Process Engine)
• Worked on high performance applications in a clustered environment.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Implemented Backup 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
• Implementation of RAID 0/1/5 for creation of logical volumes using VERITAS Volume Manager in SAN Storage Area Environment
• Troubleshooting and analysis of hardware and software failures for various servers (core dump and log file analysis).
• Worked with storage team to configure NAS.
• Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing.
• Provided 24x7 on call and remote support for UNIX Production Problems and responding to users' tickets from Remedy.
• 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 Confidential SAN, NAS and iSCSI configuration.
• Managed Users for AIX, Solaris, HP-UNIX and Linux Servers and assigned rights to access network resources.

Environment: RedHat Linux, Solaris 9/8, HP-UX 11.0, VMware ESX 4.x, 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.