PROFESSIONAL SUMMARY:

• 10+ years of experience as a System Administrator in REDHAT Linux, SUSE Linux, CentOS, Oracle Enterprise Linux, Ubuntu, OSX, AIX, Windows and Sun Solaris servers and experienced Production Support.
• Extensive experience in Installation, Administration, Patching, Upgrades, Configuration, Performance Monitoring, Tuning, Security, Backup, Disaster Recovery, Supporting and Troubleshooting of RHEL 4.x, 5.x, 6.x, SUSE Linux Enterprise Server (SLES) 10.x, 11i, SOLARIS 8.x, 9.x, 10.x, 11.x, CentOS 5, 6.
• Experience in Automation, Installation and overall Configuration Management of servers using Puppet and Chef
• Experience in installing, upgrading and configuring RedHat servers using Kickstart and Solaris server using Jumpstart.
• Experienced with the YUM for RHEL and YAST for SUSE for upgrading the Linux.
• Hands on experience in building RPM's and compiling the Linux kernel for different builds.
• Worked on deploying .net applications to windows server 2012.
• Experience in installing Packages, Security Fixes and Patches in Linux using Redhat satellite server.
• Experienced in Continuous Integration process such as perform software build, run shell scripts, archive the build results, Cron jobs Procmail jobs, monitors execution steps using Jenkins and Apache Maven
• Experienced in cloud application and server virtualization using AWS (Amazon Web Services) and Azure
• Good experience in Network and Performance Monitoring and Tuning using Nagios, Teamquest, Symantec Enterprise Security Monitoring Tool, and BMCPatrol in UNIX and Linux servers.
• Experienced in shell scripting using ksh, bash, perl, Ruby and python to automate system administration jobs.
• Expertise in creation of startup and shutdown scripts, crontabs, files system maintenance and backup scriptingand automation
• Made changes on the Linux kernel using sysctl for better performance and better processing.
• Experienced in working with Storage Area Network (SAN), EMC CLARiiON / Symmetrix EMC Celerra, and VMware.
• Experienced in source code management using Git and SVN
• Experienced in Virtualizing RHEL and Solaris environments with VMware ESX 3.x, 4.x, Xen 3.x, and VSphere 4.x servers on Dell Poweredge and HP Proliant Hardware.
• Expertise in Veritas Cluster Server, Veritas Volume manager, and Veritas Net Backup.
• In Depth knowledge and experience with LDOMs, Server Domains and Zones/Containers.
• Implemented Solaris Fair Share Scheduler for resource management across Solaris Containers/Zones.
• Experience in implementing and configuring of Volume Management by using Veritas Volume Manager (VxVM), Solaris Volume Manager (SVM) in Solaris and Logical Volume Manager (LVM) in LINUX.
• Expertise in creation and administering Virtual Machines, Catalogs using VMware vCloud Director 5.0. And hands - on experience of vMotion, SVMotion and Fault tolerance.
• Good Knowledge in planning and designing of Disaster Recovery and Data Recovery.
• Expertise on creating all kind of file systems like VxFS, CFS, ZFS, Ext3, Ext4, UFS, ReFS.
• Experience in creating different RAID levels with Veritas Volume Manager 4.x, 5.x, 6.x and Hardware raid.
• Installation and configuration of Oracle 8/9i, Oracle RAC 10g on Solaris, and RedHat cluster nodes.
• Expertise in Installing and Managing LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, FTP, SSH, DNS etc.
• Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.
• Extensive experience in IPMP (IP multipathing) in Solaris and Bonding in Linux.
• Strong experience in TCP/IP packets, packet analyzing using snoop, tcpdump and Wireshark.
• Installing and configuring of security networks like certificates using SSL.
• Experienced in installation, configuration, management, troubleshooting and support of WebSphere, JBOSS, Tomcat, Apache Web server and BEA WebLogic application server, LDAP and mail server.
• Experienced in configuring SUDO, granting permissions to users; and powerbroker administration.
• Expertise in User Management and Administration, managing swap space/paging and hardware setup and configuration and Windows (.NET).
• Experienced on using awk and sed to automate log monitoring.
• Good experience in reviewing system logs files for errors, settings up CRON jobs for backups and monitoring process.
• Excellent hands on experience in creating, updating and closing tickets.
• Strong trouble-shooting and debugging skills and ability to handle multiple tasks and can work independently as well as in a team.
• Excellent client relation skills and the drive to complete the tasks effectively and efficiently as well as the ability to communicate effectively with all levels of management and the client community.
• Provided 24/7 technical supports to Production and development environments.

TECHNICAL SKILLS:

Operating Systems: AS400 IBM i (i5/OS, OS/400), RHEL (5.x, 6.x, 7x), SUSE Linux (9,10,11), Sun Solaris (9,10,11), FreeBSD (7.x, 8.x, 9.x), CentOS 5,6, OEL 5/6, OSX, AIX, Windows 2003, 2008, VMware ESX (3.5,4.0), Unix.

DevOps Tools: AWS, Puppet/MCollective, Chef, Nagios, Jenkins, Maven, Ant, MySQL, JBoss, Tomcat, Apache webserver, Get/Gather, SVN repo

Hardware: Sun fire (V100, V120, V215, V240, V440, V480, V490, V880, X2100, X2250, X2270, X4100, X4170, X4270, X4450, X4470), Sun Enterprise (250, 450, 220R, 420R), SPARC Enterprise (T2000, T5120, T5140, M3000, M5000, M8000), Sun Ultra 60, HP Proliant (BL460, BL 685, DL380, DL385 DL580), IBM RS/6000, pSeries (520, 550, 570, 575, 590, 595, 650, 630,670, M80, S80, H70 and H80), T4-2, Backup Devices, Dell Power Edge (840, 1650, 1850, 1900, 2850, 2900, 6400, 6950, T100, T105, R200, R300), IBM WSS.

Networking: TCP/IP, NIS, NIS+NFS, DNS, DHCP, WAN, SMTP, LAN, FTP/TFTP, POP3, TELNET, Firewalls, BIG IP 10.0, Snoop, Tcpdump, Wireshark.

Volume Management: Veritas Volume Manager (VxVM) 4x, 5.x, 6.0, Solaris Volume Manager (SVM), Logical Volume Manager (LVM)

Backup Solutions: VeritasNetBackup (4.5, 5.0, 6.5), Tivoli Storage Manager, NetApp

High Availability: Veritas Cluster Server 4.x, 5.x

File Systems: UFS, VxFS, ReFS, Ext, Ext2, ext3, ext4, ZFS, CFS

Security and Monitoring: Tivoli Endpoint Manager, Bastille, Nagios, Iss System Scanner, HP Sitescope, BMC Patrol, Linux Iptables, Solaris Ipfilter, Symantec Enterprise Security Monitoring Tool, Teamquest

Database Servers: Oracle 7.x, 8.x, 9i, 10g RAC, MySQL 7.0, 6.5

Web/Application Servers: WebLogic 8.x, 9.0, 10, Websphere 5.x, 6.x, JBoss 4.x, 5x, Netscape/iPlanet Server, Apache Server 1.3.x, 2.2.x, Apache Tomcat 5.x, 6.x, 7.x

Programming Languages: PowerShell, Bash and Korn Shell scripting, Perl, Ruby, Python, C, C++, R,Matlab, core JAVA

Virtualization: VMware, VCenter, KVM, Xen, Hyper-v, Virtual box, Solaris zones/containers, LDOM.

PROFESSIONAL EXPERIENCE:

Confidential - Schenectady, NY

Devops/ Linux System Engineer

Responsibilities:

• Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.
• Build and release software baselines, code merges, branch and label creation and interfaced between deployment and infrastructure
• Responsible for Deployment, management, automate, and installation of servers via scripts, Puppet, Chefand Salt.
• Installation of Redhat 6/7 using Kickstart
• Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart
• Worked on installing applications on AIX and redhat.
• Administration of RHEL 5,6,7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting on both Pseries and vmware virtualization systems
• Build and configure a virtual data center in the Amazon Web Services cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, CloudWatch, CloudTrail, and Security Management VPC.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Worked on Docker and created virtual instances with Docker.
• Worked on Creating API’s on nodejS and AngularJS
• Worked on AWS opswork, AWS Lambda, AWS code deploy, AWS cloudformation and cloud foundry.
• Experience in setting up cloud foundry and Couch base, Elastic Search
• Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.
• Install, configure and administer log analyzer tool CloudWatch.
• Worked with ANT, maven and JIRA. Provide SME in all areas of Cloud (IaaS, PaaS, SaaS) to existing and perspective clients on multiple cloud platforms; sphere/cloud/CloudStack/Azure/AWS and various PaaS platforms (Cloud Foundry/OpenShift).
• Worked on migrating Vmware to AWS using snowball and VM import/export.
• Experience with AWS bean stalk
• Experience working on AWS code deploy, lambda, VPC and CLI.
• Experiencing with Nagios, splunk and snmp monitoring.
• Create, change, and delete user accounts per request.
• Experience with Docker.
• Experience with Korn Shell scripting
• Worked with installing and cmc curring elk stack
• 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 such as backups.
• Worked on configuring elk stack to forward logs from Jenkins to elk and setup automation to send alerts.
• Migrate on premise database to AWS Cloud and also designed, built, and deployed a multitude applications utilizing the AWS stack (Including EC2, R53, S3, RDS, SNS, and IAM), by focusing on high-availability, fault tolerance, and auto-scaling.
• Configure EC2 Instances, VPC, Route 53, ELB, Subnets, etc.
• Configure and administer Apache and Application layers
• Configure HTTP caching properties for static caching.
• Automate site configuration using Puppet.
• Experience with shell scripting ( sh, bash, csh, ksh)
• Worked on SIEM for security and audit compliance configuration
• Worked on Docker and have done deployments on Ubuntu.
• Worked with puppet /Chef for configuration management.
• Worked on version control using Github.
• Worked on automating builds using Jenkins.
• Experience with AWS SDK and AWS API.
• Worked on automating tasks using puppet
• Worked on tomcat, jboss install and configuration.
• Worked on mongodb and mysql.
• Worked on migrating Solaris 10/ AIX 6.1 to redhat 6.
• Worked on creating new LPARS on AIX IBM frame
• Worked on ruby and python scripting.
• Automate infrastructure in AWS using amazon web services.
• Installing and configuring Tomcat and JBOSS.
• Deploy puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.
• Performed installation, configuration and tuning of Redhat, CentOS, Solaris servers and AIX.
• Installed and configured Windows 2003/2008 servers and splunk.
• Implemented administration, maintenance, upgrading and monitoring of IT System and networks.
• Installed PXE servers, KickStart configurations for automatic Linux Installation.
• Performed Installation, configuration and administration of Weblogic application servers and Oracle System Bus (OSB).
• Involved in RPM package building according to the requirement using fpm and deploying the package using puppet enterprises to puppet agent.
• Worked on creating queues for new data center and reporting on console for finalization.
• Worked on Amazon web services to create AWS instances with S3 storage and EBS storage.
• Performed Installation, configuration and Administration of VERITAS Volume Manager (VCS).
• Configured and deployed of DynaTrace Monitoring system for managing all the Linux warehouse systems.
• Worked on Siteminder WAM UI on configuration of policy and LDAP.
• Implemented migration from Redhat to CentOS environment. Also Worked on provisioning and optimizing infrastructure resources for Oracle EBS applications on Red Hat Linux
• Implemented virtualization using VMware in Redhat and CentOS on HP-DL585 and IBM-z/VM series.
• Provided support for break/fix incidents.
• Involved in corporate level auditing compliances like system security, network security and installation of recommended patches.
• Performed Data Center migration from AIX to Linux and 5.x to 6.4 Linux upgrade.
• Involved in troubleshooting any reported problems, analyzing heap/thread dumps and network packets taking tcpdump, snoop using wireshark.
• Performed Migration of HACMP 4.3.1/4.5 to HACMP 5.1 using Node-by-Node migration without changing the cluster setup
• Involved in Veritas NetBackup LOB Media server conversion to SAN Clients, installation, configuration and administration of NetBackup and TSM (Tivoli Storage Manager) for backups/recovery.
• Implemented day-to-day tasks in Red Hat Linux and CentOS that include upgrading kernel, HBA driver, configuring SAN Disks, Multipathing, NAS Mount and Unmounts.
• Worked on Tivoli Workload Scheduler for batch jobs scheduling, fixed or cleared jobs that encountered error.
• Managed batch jobs processes using Korn, Korn Shell scripting, Powershell and PERL scripts (Cron and Tivoli workload scheduler).
• Deployed applications on Jboss (4.2.1, 4.3, 5.1) servers. Worked on creating and scheduling jobs using autosys.
• Used UNIX/Linux shell scripting to automate system administration tasks, system backup/restore management and user account management.
• Implemented and administered In-System Replication using Shadow Image.
• Creation of Oracle and MS-SQL server databases.
• Maintenance of tables paces in oracle.
• Backup and restore of databases in oracle and MSSQL Server DB’s.
• Performing Manual backup and resume of the servers or data using Netbackup and TSM.

Environment: AIX 5x, 6x, 7x, PL/SQL, IBM Power7, Power6 and Power5, PowerShell, VIOs, NPIV, RedHat LINUX 5.5/6.3,Weblogic,Ubuntu, Windows, Oracle, DB2, Sun Solaris 9/10,SQLserver, Korn, Oracle RAC, C Shell, Yield Book, Razor, Vsphere, HMC, Tibco, HACMP, GPFS, VMware, CA Spectrum, CA EHealth, Netapp, TSM, Symantec Netbackup, Hitachi VSP, Hitachi Command Suite, Hitachi storage navigator, HUR, SI, TC, TSM, CSM, IBM XIV, SAN SVC, NAS, Autosys, TPM V7.1,CA Service Desk, Apache Webserver, MQ, Websphere Application Server & UNIX shell scripting.

Confidential -Eden Prairie, MN

Linux System Administrator

Responsibilities:

• Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.
• Build and release software baselines, code merges, branch and label creation and interfaced between deployment and infrastructure
• Responsible for Deployment, management, automate, and installation of servers via scripts, Puppet, Chefand Salt.
• Installation of Redhat 6/7 using Kickstart
• Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart
• Worked with Azure deployment
• Performed all necessary day-to-day GIT support for different projects
• Used ANT and MAVEN as a build tools for the development of build artifacts on the source code
• Installed, configured, and maintained services such as Apache Tomcat and tc runtime for clients with more than 100+ Linux servers.
• Performed Continuous Integration, building and administrating using Jenkins
• Installed packages, run Cron jobs, and over-all configuration management of Linux servers using Puppet and chef
• Provided administrative supports and performed branching and merging operations using GIT
• Monitored server, services and application performance using Nagios
• Used Bash, Perl, and Python shell scripting for monitoring and to automate the build and deployment process.
• Used AWS (Amazon Web Services) services such as EC2, Amazon S3, Amazon RDS, and Amazon VPC etc.
• Worked with various types of filesystems, and volume management solutions: ZFS, LVM, VxVM, and SVM.
• Worked Extensively on VMware Installation and configuration ESX hosts, Managing vcenters and datastores.
• Performed Monitoring, Patching and handling Security Using Red Hat Satellite Server.
• Worked with storage teams to configure NAS, EMC SAN and iSCSI configuration.
• Upgraded and documented veritas storage foundation, from version 4.1 to 5.0 MP1.
• Administered Oracle database using Veritas cluster; and also in RAC environment.
• Ensured properly secured systems and appropriate policies / monitoring using SELinux, password aging, firewalls/iptables and PAMs.
• Installed and Managed different protocols LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, UDP, TCP/IP, FTP, SSH, DNS, NFS and NIS.
• Administered VAS / QAS (vers 4.0, 4.1) in user authentication via AD.
• Coordinated with vendor support in unresolved situations, providing them with various reports with: SUN / veritas explorer, dumpadm, core dumps, sosreports, guds reports etc.
• Involved in installing, configuring, maintaining and troubleshooting the BEA WebLogic Application Server 8.1,9.2,10.3,12c on Sun Solaris 10.0/11, RHEL 5.0, 6x, Windows 2003/XP Servers.
• Responsible for reviewing all open tickets, resolve and close any existing tickets as per its priorities.
• Performed Tuning of kernel parameters based on the application/database requirement.
• Configured NIC bonding on RHEL, and IPMP on Solaris systems.
• Performed tuning, and troubleshooting of SUN solaris / RHEL systems using tools like cppweb, and in-build tools: vmstat, iostat, sar, top, prstat, free, prtconf, netstat etc.
• Participated in various DR test scenarios, using sungard facilities, as we as with SAN SRDF R1/R2 devices options.
• Completed various server migration efforts, going from Solaris / AIX to RHEL, or from physical environment, to virtual.
• Used servicenow for ticketing system, and CMDB (Configuration Management DB)
• Coordinated with developers, business analysts and managers to make sure that the code is deployed in the production environment

Environment: Redhat Linux 5/6/7, Solaris 9/10/11, AWS, Veritas Cluster Server, Solaris Volume Manager, Jumpstart, Kickstart, Veritas Net Backup, HP BL460, BL685, Sun X3-2, X3-4, Sun M8000, M5000, M4000, M3000, Sun Fire T1000, T2000, HP DL 380, 580, VMware, RH Satellite Server

Confidential - Georgetown, TX

Linux/Unix Administrator

Responsibilities:

• Installed, Configured and Administration of RedHat Linux 6.x, OEL 6.x, Solaris 10/11 and AIX System administrator comprising of testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Involved in installing, configuring, maintaining and troubleshooting the BEA WebLogic Application Server 8.1,9.2,10.3,12c on Sun Solaris 10.0/11, RHEL 5.0, 6x, Windows 2003/XP Servers.
• Worked on Migrating AIX to redhat and Solaris servers .
• Installed and configured Solaris servers using Jumpstart, configured/maintained Zones, LDOMs, ZFS pools on Sun Solaris 10 Servers.
• Leveraged devops concepts and CM tools Puppet & Ansible to spin up multiple tasks on multiple instances Vs. multiple environments.
• Installed packages, ran Cron jobs, and over-all configuration management of Linux servers using Puppet.
• Managed packages using RPM/YUM on RedHat Linux and maintaining patching on Solaris servers.
• Worked on various SAN Fabrics (FC SAN, iSCSI SAN) and NAS storage.
• Handled Puppet Manifests and Ansible playbooks to automate the infrastructure configuration.
• Performed Creating and of cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• ConfiguredMultipath, Powerpath, adding SAN, creating physical volumes, volume groups, and logical volumes.
• Created file systems on LUNs from SAN environments, which included EMC Symmetric/Clarion series.
• DesignedFirewall rules for new servers to enable communication with application, Oracle 11g
• Installed and configured MySQL database server, Oracle data base server in RHEL 6,7
• Worked with various types of file systems, and volume management solutions: ZFS, LVM, VxVM, SVM.
• Worked Extensively on VMware Installation and configuration ESX hosts, Managing vcenters and datastores.
• Actively participated in periodic Disaster Recovery (DR) test activities.
• Configured and monitored NFS environment and Worked on various protocols: HTTP, UDP, FTP, TCP/IP, DHCP, SSH, DNS, NFS, NIS etc
• ConfiguredNIC Bondingson Linux and IPMP on Solaris for redundancy of network interfaces.
• Assisted in configuring and deploying Oracle 8i, 9i and RAC 10g.
• Configured and performed troubleshooting of Symantec Enterprise Security Monitoring Tool.
• HandledJBOSS application server PPM/Quality Center application
• Performed tuning, and troubleshooting of SUN solaris / RHEL systems using tools like cppweb, and in-build tools: vmstat, iostat, sar, top, prstat, free, prtconf, netstat etc.
• Performed user Management through Powerbroker, and NIS.
• Managed systems routine backup, scheduled jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Performed Shell Scripting (bash, python, ruby) to monitorlogs, disk space, services and process.
• Performed documentation, reports and presented weekly system status report.

Environment: RHEL 5/6.x, OEL 6.x, Solaris 9/10/11, HP Proliant BL460, BL685, DL 380GS, IBM- AIX RS/6000, pSeries 575, 590, 650, Sun Fire (V215, V240, V440, V480, X2250, X2270, X4170M2, T1000, T2000DI), SPARC Enterprise M3000, M4000, T5120, T5140, Veritas Cluster Service, Veritas Volume Manager, VMware Virtual Client, Kickstart, Jumpstart, JBOSS, WebLogic,EMC Symmetric/Clarion.

Confidential

Data Center Administrator

Responsibilities:

• Data Center administration in large scale enterprise environment (UNIX, Enterprise, IBM/Sun platforms)
• Trouble shoot servers, switches, and client systems, cable patch panels, install operating systems, installation of Dell blade servers client machines, set up remote desk tops, upgrade systems, fiber channel switches, workstation builds and repairs
• Provided technical support for internal customers
• Maintain all of the test equipment needed in the lab environment
• Provided software for the entire engineering and developer staff
• Provided infrastructure so that internal locations could communicate through the main lab
• Reply to and answer help desk tickets
• Delivered excellence in customer service through situational analysis and timely resolve of escalating problems
• Storage array configurations
• Racked and cabled all equipment for enclosures
• Ensure end of day and start of day processes are completed successfully and the on line system is made available to the user on time.
• Sort out and arrange distribution of the end of day and on demand reports to concerned users as per distribution lists and reports requested.
• Monitor Applications, Batch Jobs, ATMs, Network, and Database performance and conduct periodical systems performance tests and take appropriate corrective measures where necessary including vendor’s liaison and maintenance of log and control sheets.
• Coordinate, administer the scheduling, processing and testing of the jobs, patches/fixes and new procedures supplied (or) developed for Electronic Banking, Ancillary systems, Host Applications and related Hardware platforms.
• Execute at scheduled intervals Housekeeping and regular jobs such as Backups, File Reorganization, Archives, Restore and Recovery of Databases.
• Ensure regular servicing of computers, ancillary systems and support equipments (A. C. units, UPS, Generator, etc), adherence of access restrictions to computer/machine rooms to authorized personnel only, up keeping of the computer/machine rooms environment including temperature controls to prevent exposure from any disaster.
• Coordinate with and provide quality based assistance to users so that systems and services are used properly and effectively.
• Application Administration of EQUATION (Core Banking Application) and responsible to resolve Problems in End of Day Process for EQUATION Unit

Environment: AS400, Linux, Windows, IBM i (i5/OS, OS/400)

Confidential

Linux Administrator

Responsibilities:

• Staged and Maintained UNIX (Solaris 8,9 &10, Red Hat Enterprise Linux4, 5,) on Sun Enterprise servers and Dell Servers.
• Implemented the Jumpstartin Solaris servers and Kickstartin Linux Servers to automate the server builds for multiple profiles.
• Implemented and administrated of virtualization on Solaris 10 with zones and created containers using FSS.
• Installed software and patches(yum, yast)-- Disk installation and maintenance - modify vfstab file for automatic mounting while booting, format disk and restoration of UNIX files and file systems
• Implemented file sharing on the network by configuring NFS on the system to share essential resources.
• Performed systems log management, Data backup and restoration with UNIX native tools (tar/dd). Monitored client disk quotas & disk space usage.
• Set up mount points on Solaris servers for Oracle database and installed MySQL server.
• Performed data management using native Solaris utilities for archiving and compression.
• Performed storage management with SAN/NAS and migrated the manual jobs to self-executing cron jobs on Physical/Virtual Servers.
• Configured and managed Apache Web Server on Linux for web based applications using REST/SOAP, Apache and Weblogic.
• Installed and configured Solaris servers using Jumpstart, configured/maintained Zones, LDOMs, ZFS pools on Sun Solaris 10 Servers.
• Performed load balancing and failover I/O multipathing to render ability to set up multiple redundant paths for fiber attached storage area network (SAN).
• Used fsck on file systems successfully when critical data got corrupted.
• Managed file systems and disk management using Solstice Disksuite.
• User account management, managing passwords setting up quotas and troubleshooting user logins using various remote login utilities.
• Worked on SVM to mirror the root disks, and used Veritas Volume Manager, Filesystem to maintain multiple disks and implemented 4-node cluster for GLPROD and GLRAC and implementing 3-node cluster for PRODERP.
• Experienced with backup technologies likeVeritasNetbackup4.x, 5.0, 6.x and Tivoli Storage Manager 5.5.
• Worked with other IT teams, and other managers in helping build and implement systems and standards.

Environment: Redhat 4/5, Solaris 8/9/10, CentOs 4/5, SUSE linux 10.1/10.3, SPARC Enterprise M3000, M5000, M8000, T5220, T5240, Sun Fire v880, v490, v440, v240, v210, Dell (T100, T105, T200, R300) Apache 2.2, JBOSS 4.2, Jumpstart, KickStart, likeVeritasNetbackup4.x, 5.0, 6.x, HP C Blade system, BL460c, BL420c, Tivoli Storage Manager 5.5, MySQL, VMware, PL/SQL, Veritas Cluster Servers, Solaris Volume Management, Websphere