SUMMARY

• A responsible Professional with 7+ years of experience in IT industry, primarily focused on Redhat Linux (4.x.5, x 6.x)/AIX 6, 7/Solaris/ VMware VSphere ESX/ESXi 4.x, 5.x environment, Websphere/ JBoss/ Tomcat/ Apache Administrator/Deployment coordinator, Netbackup, SAN Storage (Netapp, EMC), HP Hardware, Veritas Volume Manager.
• Extensively work on Windows 2000/2003/2008 R2/2012 Server Active Directory Administration.
• Skilled on variety of UNIX (Solaris, HP - UX, AIX),Linux, Windows Servers with Oracle (8i, 9i, 10g, 11g).
• Installed, configured and maintained Linux enterprise environments with 24X7 production databases.
• Installation and configuringSquid Proxy, VNC, NFS, FTP, Rsync, DNS, DHCP Server and clients
• LinuxKernel up gradation to add additional tune/capabilities toLinuxserver and optimizingLinuxServer.
• HardeningLinuxServer and Compiling, building and installing Apache Server from sources with minimum.
• Experience with database backups and Recovery strategies using RMAN Data pump (expdp, impdp) Export/Import and Transportable Tablespaces.
• Expertise in planning, installation, configuration and maintenance of IBM HACMP V5.1, 5.3, 5.4, 5.5 and Power HA 7.1 system mirror.
• Experienced inAIXsystem dump generation, resizing dump devices, understanding error reports and coordinating on different issues withAIXsystem support center.
• Installation, kickstart and configuringMailServers, LDAP, Open LDAP, Sunone, SendMail andPostfix, Pop3, Imap.
• Experience in compiling source files and installing the open source software in Unix/Linuxservers.
• Installation of Tripwire to check the integrity of the file system onLinuxSystem.
• Experience in Setting up and supporting LAMP Environment.
• Installation and Configuring Firewalls like IPTables, ISA, Watchgaurd 6.0, checkpoint and knowledge ofLinuxSoftware Router, Exposure to DMZ.
• Experience in building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux system with System Imager that automates Linux installs.
• Familiarity with RAID and variety of storage technologies including SAN and NAS storage platforms.
• Reviewing storage availability and regular backup with, Backups with tar, cpio, dump (ufsdump).
• Wrote suite of tools for NIS and local Unix accounts management, keeping user details synchronized across the systems.
• Perl development to interact with LDAP (AD) servers to query & modify person, host & netgroup data.
• Building software packages on Red Hat Linux (RPM)
• Provided support for UNIX infrastructure, both in-hours & out of hours on call, dealing with performance, resource, software and operating system issues.
• Written Scripts that will generate reports as per the business
• Migrating user’s home directory and applications file system to SAN disk for failover.
• Written Shell scripts to create users on multiple servers.
• Written Shell scripts to check if all the servers have dual SAN paths that are live paths.
• Worked on shell scripts for CPU usage, memory consumption and number of I/O to collect performance stats and troubleshoot issues if needed on Sun Solaris, Red Hat Linux.
• Worked on the EMC SAN/NAS Migration from DMX/VMAX to VNX for all the platforms, Red-Hat Linux, Solaris SVM, ZFS and VERITAS Volume Management.
• Experience in install, setup and configuring the mail servers SendMail, Postfix, pop3, Imap.
• Experience in the security tools like Tripwire, Logwatch, Portsentry, Snort, Nmap, Nessus scanner, Nagios
• Perform regular UNIX system administration tasks on day to day basis. Ex- HP-UX, Solaris, RedHat Linux.
• File System management include in-built volume managers and mainly VERITAS Volume Manger
• Mastered HP Integrity systems/HP c7000/c3000 enclosure and different Bladeservers, SUN SPARC, HP Storageworks, HP MSA, Fibre switches, etc
• Experience with virtualization, VMware Administration (ESX ESXi 4.x, 5.x/VSPHERE)
• Strong flow in VMware Networking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN Problem management on VMware ESX 5.X and Virtual Center and vMotion
• Task automation through Crontab, Autosys, Maestro to invoke java programs and shell scripts.
• Working knowledge on Automatic Storage Management (ASM) and experience in Shell scripting (Ksh/Csh/bash/Sed/Awk).
• Experience in installation, configuration, upgrading and troubleshooting of VMware ESXI and V Center server
• Experience in configuring and troubleshooting v sphere Networking (VSS and VDS policies).
• Experience in configuring and troubleshooting v sphere storage (VMFS and NFS data stores).
• Experience in creating, deploying and administrating virtual machines and v Apps, Managing VM clones and templates
• Created and configured VMware Clusters, implemented VMware Fault Tolerance, created and administered Resource pools
• Using VMware V Center server to monitor, manage, troubleshoot and administer virtual machines and Esxi hosts
• Performed basic troubleshooting for HA/DRS Clusters and v Motion/Storage v Motion.
• Proficient in Windows 2003/2008 R2/ 2012 server build, upgrade, Wintel server and active directory administration
• Created the user accounts and provided access to the desired servers.
• Monitored Esxi, v Center Server and Virtual machines and managed v Center server alarms
• Experience with Installing and Configuring Windows server 2003/08 R2/12, Active Directory, DNS, DHCP, IIS, DFS, WDS.
• File and print services, Routing and remote access and other windows services.
• Hands on experience with Network Monitoring System (NMS)
• Experience in configuring and troubleshooting Switches and Routers.
• Well Versed in Operation of IP data Networks (Functions of Routers, Switches, OSI and TCP/IP models).
• Experience doing on call support and work with a team to provide 24/7 production support on a rotationbasis.

TECHNICAL SKILLS

Operating Systems: Linux, RHEL 4.x, 5.x, 6.x, CentOS, Solaris, Windows 2003/2008 R2/2012, AIX.

Languages: Java, C, C++

Microsoft Technologies: Visual Basic, VBSCRIPT

Database: Oracle 9i/8i,10G, Ms-Access, Postgresql, MySQL,LVM (logical volume manager)

Web Technologies: ASP, Servlets, JDBC, JSP, EJB, XML, HTML, DHTML, JavaScript

Web Server: Apache Server 1.3.x/2. xx, IIS Server, IBM http Server

Application Server: Websphere 5.0/5.1/6.1/7. x/WebSphere Customer Center, Portal Server, Commerce Server, Tomcat 3.x/4.x,5.x/6.x /7.x JRUN, JBOSS

Server Virtualization: VMWare vSphere ESX/ESXi 3.x,4.x,5.x, Red Hat Virtualization.

Security Tools: SSL, Tripwire, Logwatch, Portsentry, Snort, Nmap, Nessus scanner, NDM Direct Connect, Safenet, Thales HSM

Source Code Tools: CVS, VSS, TFS, GIT, SVN

MailServers: SendMail, Postfix, pop3, Imap

Scripting: Shell, sed, awk, Jython, php, python, puppet, chef, ansible.

Others: RAID, Veritas Volume Manager, NetBackup, Netapp, Squid proxy, FTP, NFS, Rsync, Samba, DNS, Dhcp, LDAP, OpenLDAP, Linux Software Router, KickStart, Introscope, Sitescope, BMCPatrol, TeamQuest, Junit, Jmeter VMware, SSO, CA Siteminder, virtualization, Vmware Administration(ESX/ESXi/VSPHERE), Nagios, Ganglia, BladeLogic, Puppet, Tidal, F5, Docker, HSM, Jenkins, Docker, Splunk, Firewalls, VPNIPTables, ISA, Watchgaurd, checkpoint, Ipsec.

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Systems Administrator (Linux, VMware)

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Linux, Sun-Solaris, HP-UX and AIX operating systems.
• Operating Systems IBMAIX(5.3, 6.1, 7.1) Linux (Red Hat/CentOS 5/6, SUSE 7/8),
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux.
• As a Linux administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing, configuring &job scheduling using cron.
• Monitored and administered Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software patching, configuration changes and documentation.
• Installed, upgraded, patched and configured Linux servers using Jumpstart and Redhat Enterprise Linux 5/6 using Kickstart
• Installation, setup and configuration of physical Standby Database using Active Data Guard.
• Created RAC Database on Test Hosts refreshed them with the latest snapshot of data from Prod
• Configured and Administration of VERITAS Cluster.
• Created disk groups, volumes, volume groups and RAIDs using VERITAS Volume Manager.
• Experienced in configuration & maintaining Veritas Cluster server, NetBackup.
• Configures DNS, NFS, FTP, remote access, and security management.
• Creates Linux Virtual Machines using VMware Virtual Center.
• Installs, upgrades and manages packages via RPM and YUM package management
• Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Installs, configures and supports Apache on Linux production servers.
• Manages Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
• Manages systems routine backup, scheduling jobs and enabling cron jobs.
• Performed daily system monitoring and troubleshooting functions on servers
• Controlled and managed disk space via LVM
• Created and managed User Accounts and Permissions on Linux servers
• Utilized Nessus software to run vulnerability scans on TCP & UDP Ports to ensure system security
• Remote system administration via tools like SSH and Telnet.
• Extensive use of Crontab for job automation.
• Highly skilled in troubleshooting hardware, software, LAN, WAN, VPN, and operating system issues. (IP, DHCP, DNS, etc.)
• Maintain and support VERITAS file manager and cluster systems
• Expand and/or increase VERITAS disk group/filesystems (vxdisk)
• Responsible for creating and managing user accounts, security, rights, disk space and process monitoring in Solaris, CentOS and Redhat Linux.
• Experience in Redhat Cluster Suite and Global Filesystem, Redhat Network Satellite Server.
• Configured and Administration of VERITAS Cluster.
• Created disk groups, volumes, volume groups and RAIDs using VERITAS Volume Manager.
• Experienced in configuration & maintaining Veritas Cluster server, NetBackup.
• Configures DNS, NFS, FTP, remote access, and security management.
• Creates Linux Virtual Machines using VMware Virtual Center.
• Installs, upgrades and manages packages via RPM and YUM package management
• Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Installs, configures and supports Apache on Linux production servers.
• Manages Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
• Manages systems routine backup, scheduling jobs and enabling cron jobs.
• Performed daily system monitoring and troubleshooting functions on servers
• Controlled and managed disk space via LVM
• Created and managed User Accounts and Permissions on Linux servers
• Utilized Nessus software to run vulnerability scans on TCP & UDP Ports to ensure system security
• Remote system administration via tools like SSH and Telnet.
• Used Ansible, puppet and chef for automation.
• Designing Firewall rules for new servers to enable communication with application.
• Environment.Setup DEV/TEST/UAT/QA environments from Production database using Snap mirror and RMAN.
• Installed and configured services like DHCP, NFS, DNS, Apache Web Server, NIS, LDAP, FTP/SFTP, SMTP, Telnet, RPM Package Management, File System Management.
• Worked extensively with Vendors Sun, NetApp, and HP for troubleshooting the issues and in replacing the failed Hardware.
• Shell scripting for jenkins automation, Jenkins and System, Network monitoring.
• Root cause analysis of performance/Production environments problems & Involved in scalability and capacity planning, support and maintenance of Performance and production systems.
• Duties included Installation, configuration, administration, troubleshooting and maintenance of VMware virtual infrastructure platforms.
• Job includes installation and configuration of VMware ESXi 5.1, installation and configuration of VMware Virtual Center Server and creating Virtual Machines.
• Assist in P2V and V2V conversion of using enterprise VMware converter and also installed the VMware tools on that machines.
• Installed VMware Esxi server and created Virtual machines on Esxi servers. Created standard templates and deployed virtual machines from these templates.
• Job also includes creating templates and deploying Virtual Machines through templates, cloning Virtual Machines and managing Virtual Center permissions.
• Managing VMware cluster with HA and DRS.
• Monitoring and managing performance of ESX servers and Virtual Machines.
• Using Virtual center server for HA, DRS and vMotion.
• Working on Migration concepts like vmotion.
• Build templates from VMs and Creation of VMs from templates.
• Migrate / Upgrade ESXi 5.1 to ESXi 5.5.
• Managed VMware infrastructure with Virtual Center Server and migration of virtual machines to ESXi 5.5

Environment: Linux (RHEL 4/5), Sun Solaris, HP ProLiant (BL460, BL490 etc), Cisco UCS, Dell, IBM AIX, Netapp Filer, NFS, EMC, VERITAS, Oracle, UNIX Shell Scripting, Chef, puppet, ansible, Unix CRON jobs, Netbackup, Nagios, Zabbix, Solarwinds, VMware 5.x.

Confidential, San Francisco, CA

Linux and VMware Systems Admin

Responsibilities:

• Administered several LINUX/UNIX servers running Red hat Linux 4/5/6, Sun Solaris 9/10 and Virtual machines hosted on ESXi servers.
• Installed and configured Red Hat Linux, Solaris operating system using kickstart, Jumpstart.
• Administering & Managing Apache webserver and Tomcat servers cluster Infrastructure, Code Deployment coordination.
• Linux Administration Level 3 support, Cams Policy Server Administration, NetBackup, Configuration, Node management with Puppet, F5 and Kickstart automated installs.
• Supported a major initiative to migrate SAN storage utilized by Solaris, Linux andAIXservers (typically large Oracle data bases, web and application servers).
• Involved in infrastructure Capacity planning and Design review with the Management.
• Cluster Monitoring using Groundworks, Splunk, Nagios Troubleshooting OS issues.
• Troubleshooting the Apps issues taking threaddumps analyzing the logs and coordination with developer and different teams involved including the Third Party Services.
• Managing MailServers, Ironport adding email domains and managing mailing lists.
• Taking care of system security and network security and network access control with in different projects
• Performed Red Hat Linux Kickstart installations on RedHat 4.x/5.x, performed Red Hat Linux Kernel Tuning, memory upgrades.
• Building, Installing, Configuring servers from scratch with OS of RedHat Linux.
• Configured RAC with ASM on AIX/ RHEL servers and GPFS/Oracle cluster files systems and also configured workload management (both server side and client side Load Balancing.
• Worked with Redhat Satellite Server for upgrading and patching Linux Servers.
• Storage Provisioning, Volume and Filesystem Management using LVM, Veritas Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS file systems.
• Automated day to day tasks using Ansible, chef and puppet.
• Experience in implementation of enterprise databases on enterprise Storage Solutions using Storage Area Networks.
• Downsizing and defragmenting the Very Large Databases by export / import, cloning them using RMAN Duplicate features and then upgrading them to Oracle 10g.
• Setup backup and recovery procedures using OEM, RMAN and third party tools like Veritas. Used hot backups and cold backups, incremental and full backups.
• Working on HP ProLiant servers x64 and VMware virtual Environment.
• Configured VMware on clustered environment, implemented migration of virtual machines using vMotion, virtualized windows servers using VMware converter and plate spin power convert
• Hot and cold cloning of virtual machines using VMware converter
• Configured VMware HA, VMware DRS in acquiring higher efficiency of VMware infrastructure
• Defined the patch management process for the VMware environment to upgrade the hosts and VM's and successful completion of update manager installation in all the environments
• Used Avocet DS view module for the remote server access to dell rack servers
• Performed hardware replacement and troubleshooting for HP blade servers and dell rack servers.
• Configured Clusters for the ESXi hosts and created Affinity/Anti-Affinity rules in the DRS to either keep the VMs together or separate them on ESXi hosts.
• Leading a Team of Offshore resources and assigning work and Guiding Team for task completion.

Environment: Linux (RHEL 4.x, 5.x), IBM AIX, Open VMS, chef, puppet, ansible, Windows 2008 R2, Dell, SAN, Oracle, UNIX Shell Scripting, VMware ESX, ESXi, LDAP, Active directory, Oracle, solarwinds.

Confidential, Beaverton, OR

Linux, VMware, Windows System Administrator

Responsibilities:

• Installed, maintained and upgraded Redhat Linux and Solaris Servers using kickstart based network installation.
• Building software packages on Red Hat Linux (RPM) and Solaris (Data stream package format
• Wrote tools in Perl to login & interrogate Sun ILOM & XSCF & HP ILO via SSH and telnet.
• Wrote tools in Perl & shell to run parallel SSH connections to remediate configs & QA on several thousand hosts.
• Configured and maintained the volume groups, logical volumes using LVM, VERITAS Volume Manager and Solaris Volume Manager.
• Performed High availability designing using VERITAS Cluster Server 5.0 on Redhat Linux and Solaris Servers.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Performance tuning by configuring JVM arguments, JDBC connection pooling & caching.
• Extensive use of HMC, IVM for creating, assigning and allocating disks, virtual adapter. Concept of VHOST.
• Supported Oracle 9i, 10g, database server applications on Redhat 4.x, 5.x servers.
• Installation, Configure, setup of 10g RAC on LINUX cluster with SAN storage.
• Setting up Two node RAC cluster on Windows and HP c7000/c3000/DL360/DL380 enclosure and different Blade servers, SUN SPARC, HP Storage works, HP MSA, Fibre switches, etc
• Implemented Password Administration, User Schema Account Naming by using standard Oracle profiles, enable password encryption, data encryption in accordance to the SOX policies of the company.
• Understand current infrastructure and follow different processes followed by UNIX/DBA team and work accordingly on daily activities.
• UNIX shell scripting in csh, ksh to be controlled from Crontab
• Installation, Upgrade and Configuration of Oracle 9i, 10g and 10g EM.
• Setting up and Auditing RMAN Hot and Cold Backups, Exports. Implement backup and recovery procedures using (RMAN) for Oracle databases and test regularly in conjunction with Operations.
• Plan and Schedule the Online/Offline Backups. Database and Log Backups & Restoration, Backup Strategies, Scheduling Backups. Backing up master &File System management include in-built volume managers and mainly VERITAS Volume Manger
• Configuration and maintenance of NIS, NFS, DHCP and DNS Servers on Solaris.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Capacity planning of disk space and hardware resources required for production and developments.
• Responsible for migrating and decommissioning of the system.
• Responsible to handle the Server Administration and Asterisk Server Installation and Configuration in Linux.
• Worked as part of Testing Team in Application testing using Manual methods and Scripts.
• Installed and implemented NAS with RAID 1 and RAID 5 configurations.
• Patching the servers for Oracle install which include different required RPM installation on the servers. LDAP, SSL integration, which require communication with LDAP team.
• Code deployment using ant and jenkins tools in an agile methodology and continues integration.
• Handling a JBOSS application server PPM application and Quality Center.
• Expertise in creating and managing Logical Volume Manager in AIX, HP-UX and Redhat Linux
• Installation, configuration and administration of JBoss EAP and SOA Platform on Linux environments.
• Installed and Configured WIN, TCP/IP, DNS, DHCP, IIS and Terminal Services.
• Configured and maintained new VM’s and Installed Microsoft Windows 2008 R2/2003 Servers, managing VM’s.
• Troubleshooting vSphere ESX/ESXi, ESXi Clusters, Host Profiles, vDistributed Switches, HA, DRS, vMotion, Storage vMotion, Fault Tolerance, Resource pools, vCenter Permissions, Snapshots, Templates, snapshots, Disaster Recovery (DR) and High Availability (HA) using PowerCLI and Remote CLI

Environment: Linux, AIX, Sun Solaris, Windows 2003, 2008 R2, SAN (EMC, Netapp), Oracle (8i/9i/10g), Unix Shell Scripting, Unix CRON jobs, Veritas, EMC, VMware ESX/ESXi 4.x, 5.x.

Confidential

Linux, VMware and Windows System Administrator

Responsibilities:

• Installation of Redhat Linux OS/Windows OS kickstart, setting up of Various Firewall (Ipatables, WatchGaurd, checkpoint Firewall) configuring basic rules for logging in to syslog server, MySQL/Oracle.
• Setup a couple of hundred VM's running CentOS to be used for web, database, application, mail, ftp, monitoring and git repositories.
• Installed and configured Red Hat Linux Kickstart and Solaris jumpstart Servers.
• 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.
• Configured and Administration of VERITAS Cluster.
• Day to day maintenance of VERITAS cluster Servers.
• Configuration and maintenance of NIS, NFS, DHCP and DNS Servers on Solaris.
• Installation of patches and other software packages.
• Administered, monitored RHEL and Windows servers.
• Performed troubleshooting Servers by checking log files.
• Provided support for web hosting environment.
• Performed disk management operations with the help of Logical Volume Manager.
• Worked on RAID creation.
• Performed Tuning of system using SAR, VMstat, IO stat and Mpstat.
• Monitoring system performance, adding /removing /administering hosts, users, disks on DNS / NIS domain.
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Troubleshooting Backup and Restore Problems Creation of LVMs using Linux utilities.
• Setup, Installation, configuration and UNIX System Administration. UNIX shell scripting. UNIX CRON jobs.
• Reviewing daily and weekly reports from all Servers (Windows and UNIX) for optimal capacity.
• Design and implement of database backup strategy and performed full incremental and Cumulative Troubleshooting with RMAN backup problem.
• Experience with installing and managing the Microsoft patch updates using Windows Server Update Services(WSUS), Windows Deployment Service (WDS) and Group Policies(GPO).
• Comprehensive background in the installation, upgrades, configuration, rollout and support of hardware, software, peripherals and network devices.
• Proficient in Windows 2000/2003/2008 server upgrade, Wintel server and active directory administration
• Created the user accounts and provided access to the desired servers
• Experience in Writing/ Maintaining & troubleshooting scripts written both in MS Power Shell and/or VB script for build & operations environment to develop/test/implement automation tools.
• Establish user accounts and group policies and also troubleshoot the existing GPOs.
• Experience with installing, configuring and Managing FTP and IIS 6/7 Web servers.
• Implementation of Microsoft DHCP, DNS, WINS, Domain trust relationship, fault tolerance, file and print services, user and group management
• Extensive Performance Tuning, Memory (SGA) Tuning, Net backup, EMC, RAID, RAW Devices. Development of Centralized and combined Management solution for different IDS, Firewall, Vulnerability detection tool, audit logs from mail server, webserver etc.
• Database Installation and maintenance for this project, Supporting whole development team.

Environment: Redhat Linux, Sun Solaris, Suse Linux, AIX, SAN, Windows 2003, 2008 R2, Samba, NFS, VMware ESX and VMware server, Apache, Tomcat and JBoss, Networking, DNS, DHCP, Oracle Cluster, Web sphere servers.