SUMMARY

• Over 7+ Years of experience in 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.
• Strong experience with XML, SQL, PERL, and shell scripting.
• Experienced in system administration, System planning, co-ordination and group level and user level management.
• Experience system administration and operational support on Red Hat Enterprise Linux, VMware ESXi/RHEL (KVM) and VMware Converter.
• Expertise in designing/building/configuring documentation related to Red Hat Enterprise Linux via Kick start/PXE and Red Hat Satellite Server.
• Experience in Kick Start installations using PXE with NFS to deploy OS.
• Experience writing bash shell scripts to automate day to day tasks for monitoring or for any Red Hat Enterprise Servers Resource Allocation.
• Expertise in configuration and management of MS SQL and My SQL in Red Hat Linux.
• 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.
• Expertise in creating and managing Logical Volume Manager in RedHat Linux.
• Expertise in Installation, Configuration of Package and Patch Management.
• Experienced with installation, configuration of RAID volume management
• Experience in Disaster Recovery and Planning.
• 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 Linux environment.
• Experience in developing automated process for builds and deployments; Jenkins,Maven,Shell script.Perl,Java.
• Hands-on experience inPython scripting.
• Installation and setting up Python/Unix test beds
• Good knowledge in Java/J2EE.
• Setup and Configuration of perl
• Configuration Management.
• Implemented Puppet modules to automate configuration of a broad range of services.
• Deployed Puppet for automated management of machine configurations.
• 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.
• Excellent Project Management experience.
• Systems and network Planning and Administration.
• Good knowledge in designing, developing and implementing Multi-tier, Client/Server, Enterprise and Web applications using Java/J2EE.
• Experience in working with tools like CVS, Subversion, ANT, and Maven.
• Experience in using IDE/s like Eclipse and NetBeans, integration with Maven.
• Added Maven support to existing projects.
• Good knowledge in designing web technology with HTML, CSS, JavaScript and Ajax.
• Excellent verbal communication skills and strong documentation skills.

TECHNICAL SKILLS

OS: 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, 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

AppServer: Apache Tomcat, WebSphere, WebLogic.

Languages: UNIX Shell Scripting, BASH scripting, Perl, Java, HTML, CSS, JavaScript,Puppet,Python.

PROFESSIONAL EXPERIENCE

Confidential, Milwaukee, WI

Linux/Unix 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 RedHat Linux servers, support lease replacements and implementing system patches using the HP Server Automation tool.
• Experience with VMware Virtualization.
• Setting up Linux servers with maven.
• 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.
• Experience in configuration of BASH.
• Written custom shell scripts (BASH) and built custom RPM packages to add in post tasks when building new servers.
• Experience in configuring Chef in our LAB environment.
• Experience in deploying Java code using customized scripts and tools like Jenkins.
• Experience in setting up Jenkins as a service on Linux, which includes a script to manage (start, stop, check, restart) the Jenkins process too.
• Wrote puppet manifests for deploying, Configuring and managing metric collection and monitoring.
• Refactored puppet manifests to reflect best practices. Wrote Puppet modules for managing cowbuilder environments for building packages, Installing, configuring, and monitoring DataStax Enterprise, Installing and managing Java versions, upgrading the linux kernel.
• Build automatic provisioning system with kickstart and 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.
• Developed the Java Server packages, Servlet/JSP. To connect to the database I have used JDBC:PostgreSQL for Linux.
• 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
• Excellent Project Management experience.
• UsedPython scripts for automation of production tasks.
• Creation of stand-alone, browser based and command line, Perl utilities that run on Linux.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, sar, vmstat, ps, iostat etc.
• Successfully Migrated virtual machines from legacy Virtual environment VMwareVsphere 4.1 to new VMwareVsphere 5.1.
• Successfully upgraded SUSE Linux 10 to SUSE 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.perl
• Experience in Disaster Recovery and Planning.
• Problem determination, Security, Shell Scripting.
• 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, VMwareVsphere 4.1 and 5.1, Microsoft System Center,Perl, Python, Jenkins, BASH scripting,IBM Storage, and NetBackup Storage.

Confidential, Eden Prairie, MN

LINUX Administrator

Responsibilities:

• Installation, Configuration and upgrade of RedHat Linux (2, 3, 4, 5), CentOS, HP-UX & Windows /2008 Operating System.
• User Administration, management and archiving.
• Deployed Puppet, Puppet Dashboard and PuppetDB for configuration management to existing infrastructure.
• Deployed Puppet for configuration management to existing infrastructure.
• Built Puppet manifests and bootstrap scripts to allow us to bootstrap instances to various roles without having to maintain AMIs.
• Experience in Linux shell programming withBash and PERL scripts.
• Writing BASH scripts to automate the operating system tasks
• Installed Jenkins and created users and maintained Jenkins to deploy Java code developed by developers and build framework.
• 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 attached hosts.
• Worked with OVF "Open Virtual Machine Format" supported tools Virtual Box, RedHat Virtualization (XEN), and VMware Workstation.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Linux environment.
• Heavily utilized the LAMP stack (Linux,Apache,Mysql,PHP/Perl).
• Experience in Active directory configurations and support.
• Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based mount points.
• Experience in storage administration support with Cisco Fiber Switches for zoning purposes.
• Troubleshooting host-based connectivity issues related to EMC software like PowerPath, ECC client software
• Emulex and QLogic HBA cards installation and configuration of the host servers.
• Experience with and Data Fabric manager, Zoningand Storage allocation to storage groups.
• 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.
• Used Python scripts to update content in the database and manipulate files and also to predict the possibilities of the down time in the future of the machine.
• 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.
• Performed automated installations of Operating systems using Jumpstart, Flash Archive for Solaris and 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, HP 9000 K, L, N Class Server, IBM RS/6000, pSeries Server, NetBackup 5.0, Veritas Volume Manager 4.x/5.0, SAN EMC Clariion CX 700/ CX 600/ CX 500, EMC DMC 2000/ 3000, NetApp NAS 3000, Windows NT 2003/2000/ XP,Perl, Jenkins, Bash.

Confidential

UNIX System Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Linux, Solaris, AIX, HP-UX, Linux operating systems
• Upgraded Solaris 8 to Solaris 9 and 10. Configuring SAN Sun Storage. Through Brocade Silkworm Switches. Fiber Optics Switch for redundancy with multi-path.
• Experience with VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• 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 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
• 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.
• Installation of patches and packages.
• Planned for, tested and then managed the upgrade pf our puppet infrastructure from 0.25.4 to 2.6.6.
• Worked with Storage team to configure EMC SAN, NAS and iSCSI configuration.
• Managed Users for AIX, Solaris, HP-UNIX and Linux Servers and assigned rights to access network resources.
• Worked on Agile SDLC methodologies including Requirement gathering, Technical documentation, Code construction, Code review, UI specific testing, Test plan review, white Box as well as Black Box testing.
• Automated BASH scripting for monitoring of servers, projects & services.
• Involved in designing and maintaining the user interfaces using JSP.
• Involved in developing several configuration files using XML.
• Used Tortoise SVN for version control across common source code used by developers.

Environment: RedHat Linux, 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.