SUMMARY

• Experienced IT professional with over 5 years in System Administration and Engineering. Very strong inter - personal and communication skills. Comfortable with UNIX operating system across multiple flavors and an enthusiastic learner. Extensive hands-on experience in UNIX and LINUX based operating systems makes me an excellent result driven IT professional with a demonstrated ability to deliver on tasks.

TECHNICAL SKILLS

• X86/X64 architecture, Sun Netra servers, Solaris 8,9 and10, RHEL 4,5 and 6, Hypervisor, Windows XP,Win7, Win8, svn
• VERITAS Volume Manager, StorageTek Powderhorn and Streamline Libraries, Brocade 3900, 4100, 5300 and DCX
• Sunfire V240, V490, V880, E15K, E25K, Sun Sparc E2K, Sunsparc M4000,M8000 and M9000. Symantec NetBackup
• IBM, Tivoli Suite, Apache, PhP, MySQL, SSH, Sudo, VMware, Shell, Awk, Html, Java, TCP/IP, PowerEdge servers
• Logical Volume Management, RHEV manager, OpenManager, Enterprise Management System, Groundwork Monitor Enterprise
• Avocent DSView3, Remedy IT Service Management, BMC Remedy, KVM, Virtual Box, HP-Open View. PowerEdge 710, 2950, HPUX
• AIX, smitty, SAM, amazonAWS, Password Gorilla, Foreman, Puppet, Big Brother, Ruby, Subversion, Check MK, Nmap
• Networker Manager Backup tool, Git, weblogic, NetApp, VMware, Xen and KVM virtualization, Blade technologies, Cassandra
• Active directory, Samba, Amazon Web Service, Jenkins, git, bash scripting
• RedHat 4,5 and 6, Red Hat on Z Series, CentOS, Debian, Ubuntu, Microsoft, Sun Solaris 8,9 and 10, Windows 7 series, Windows Xp, Vista, Windows 2008 and Windows 2003. whatis, whereis, Sudo, find, locate, tac, more, less, wc, tee, tr, uniq, comm, sed, od, cut, alias, set, export, env, bunzip2, zcat, bzmore, getfacl, fuser, lsof, tune2fs, pvs, vgs, lvs cron, top, jobs, ps -ef, df -h, lspci, fdisk -l and du -sh, watch, vmstat, iostat, mpstat, sar, rpm, yum, route, tcpdump, ltrace, atrm, tar, Nmap, Netmap. etc
• TCP/IP, LAN, WAN, INTERNET, INTRANET.
• StorageTek Powderhorn, brocade 3900, 4100, 5300 and DCX, Sunfire V240, V490, V880, E15K, E25K, Sun Sparc E2K, Sunsparc M4000,M8000 and M9000, Sun Netra servers, Dell servers
• Control Operators, shell variables and embedding, file globbing and I/O redirection, filter, regex version, scripting, user management, file security and acl, process management, disk management boot management, init and runlevels, system management and scheduling jobs, memory management and monitoring, RPM package management, network management and sniffing binding and bondng, NFS, Linux kernel, backup management, DNS server, firewall, SELinux, Samba, Git, Puppet, Foreman
• Xen Hypervisor, KVM,RHEVM
• Microsoft Word, Excel, PowerPoint and Outlook
• Synmatec NetBackup, tar, rsync, VmWare snapshots
• OpenManage, HP-OpenView, Groundwork Monitor Enterprise, Avocent DSView3, solarwinds and Big Brother
• Remedy IT Service Management, BMC Remedy, KVM. ssh, telnet, rlogin, sftp, winScp,rdp and rsh
• Oracle and MySQL DB
• Apache, Apache tomcat and glassfish

PROFESSIONAL EXPERIENCE

Confidential

Linux System Admin

Responsibilities:

• Design, and implementation of customized technical virtualization solutions for clients taking into account size, infrastructure, data protection, disaster recovery, and application requirements.
• Configure passwordless login between database servers
• Install, configure, upgrade linux operating systems and kernels.
• Building servers using Vsphere Vmware (either by attaching specified images to the datastore or using configured preexisting templates.
• Recovering replicated virtual machines from original datacenter during migration
• Configuration of virtual machine network cards per associated VLan environments
• Carving out and assigning local storage from Host/Clusters on Vmware
• Using logical volume tools to create local filesystem e.g lvcreate,pvcreate…
• Configuring Active directory credentials to work with Samba on servers
• Online migration of data from active systems, using rsync
• Creating new groups in RedHat Satellite server and adding servers to configured groups
• Managing and fixing Inactive, Out of date, Ungrouped and Duplicate systems in RedHat Satellite
• Managing monthly patches for dev environment and bi monthly patches for the prod environment
• Using Satellite to update root password for critical server that could not be placed in single user mode
• Configuration of Observer IT application for test monitoring
• Monitoring file system use with Solar winds and fixing file systems above threshold
• Configuring special group login in active directory
• Configure printers using linux lpr tools
• Mount remote NetApp data base NFS volumes on servers
• Worked on a highly sensitive project to change all running applications in the environment.
• Password management using Crypto
• Worked closely with Dell support team to fix Active Directory login issues
• Compiled rsync from source code for solaris migrations
• Configuring sudo(group and wheel) access for users
• Built highly sensitive Netskope cloud risk analyzer servers
• Build virtual machines from OVA files in VMware vSphere and configured all system properties to suit application needs
• Periodically flushing login caches in Active Directory
• Installing Vmware tools on linux servers in VMware vSphere
• Joining servers to Active Directory using command line tools using preconfigured RODC’s
• Performed analysis to identify weakness in environmental structures and forward proof on concept or solutions
• Performance tuning, Hugepage modification for Oracle, changing open file limits, Kernel and Network tuning, swap space modification
• Creating and managing special FTP users on ftp server
• Fix broken links associated with startup scripts
• Patching of Dev, QA and Production environments
• General troubleshooting…fixing stale NFS handles, service management, fixing remote home directory issues, cron management and other duties assigned

Confidential

Linux System Admin

Responsibilities:

• Provide troubleshooting expertise for performance and other issues
• Filesystem investigation and management,
• Installed and configured subversion, and set up lower level directories and sub directories within the svn repo for management and tracking.
• Installed and configured ldap and set up users with NFS based home directories on ldap server.
• Responding to critical and major HPOV alerts
• Server(physical) builds and upgrades from RHEL5 to RHEL6 using either Kickstart or Puppet and Foreman
• Used Puppet as a configuration manager to install and maintain configuration files on group of servers
• Using AWS to build several servers for dev ops team.
• Writing bash scripts using Awk,Sed and other bash tools to automate jobs and further setting them up in chron.
• Set up Nagios in conjuction with Groundworks for monitoring entire infrastructure and identifying points of failure before major escalation and reduction of downtime
• Configuring NFS/CIFS filesystems
• Managed system security using Iptables and port
• Managing and troubleshooting running processes and applications
• Hardware troubleshooting, replacement and support.
• Cron jobs setup and administration
• User administration, HP-UX, REDHAT and AIX.
• Snmp (snmpwalk) installation, configuration and management.
• Network connection troubleshooting, management and support.
• Symantec Netbackup installation, administration, backup and restoration.
• Using open manage to manage hardware issues
• Website configuration updates
• Providing users with elevated privileges for special tasks(sudo)
• Server decommissioning using laid down procedures and scripts
• Mounting samba shares and providing samba access for users
• Physical walk-throughs server observation
• Creating maintenance windows within which physical server maintenance is performed
• Using RHEV manager to manage multiple concurrent tasks on multiple servers
• Reviewing servers for production by evaluating server readiness
• Managed and administered application servers and web Servers (installing, tweaking servers to meet specific devOps standards
• SAN management. (storage allocation, increase and maintenance), scanning for assigned LUNS and adding to local system using LVM.
• Disk and filesystem creation from scanned LUNS
• Security and audit scans to limit cracking.
• UNIX Financial server management.
• Using Sitescope to manage applications running on servers.
• VirtualBox VM setup for clients using centos vdi images
• Using Remedy to track team tasks and assigned tasks
• General troubleshooting and root cause analysis
• Documentation
• Training new admins
• RAID mirror administration
• Physical disk replacements
• Performing backups to tapes using Network Manager
• Using subversion to control/manage developer tools
• Monitoring several servers using Check MK, Bigbrother
• Red Hat Satellite for patching, scheduling jobs and other tasks
• Using NetApp for managing NFS loads and providing weekly Network load results with power point
• Creating, editing, managing user mailing lists
• Linux workstation support

Confidential

Linux System Admin

Responsibilities:

• User administration
• Hardware monitoring and performance evaluation.
• Tracking filesystem growth trends and capacity planning
• Bandwidth monitoring and utilization
• Network troubleshooting and maintenance.
• Automated installations using jumpstart methods.
• Service packs and security patches, Installation of recommended SUN patch clusters
• Solaris virtual environments configuration.
• Installation of multiple sparse and whole root zones within one physical instance of Solaris 10.
• Zpool creation, replacing disks. Adding spaces, importing zpools. Creating set mounts points and user-mount points.
• Performed data management using native Solaris utilities for archiving and compression.
• System troubleshooting and operating system support
• Security scan analysis and baseline analysis
• Disk quotas evaluation and system performance monitoring and tuning.
• Server administration - user management and support
• File restoration
• Hardware documentation and policy
• Installed and supported glassfish middleware server for implementation of java platform
• New purchase recommendation
• Oracle database support.
• Oracle fusion middleware config and supportsa
• Performance Monitoring and capacity planning.
• Used SMF system utilities
• Installed and configured VERITAS volume manager.
• Implemented RAID 0-5 solutions with VERITAS Volume Manager.
• Veritas NetBackup support and Backup assistance.
• Role-Based Access control management.
• Familiarity with network systems such as servers, switches, firewalls and routers.
• Apache web server administration and support.
• Tracked and fixed problems using system logs
• Clean system shutdown administration
• Server re-baselining
• System monitoring, analysis -making recommendations regarding computer system security, monitor network, computer and disk utilization
• Conduct software and hardware evaluations, provide technical analysis and implement systems to meet the company’s IT goals
• Planned and performed appropriate procedures, documentation, inventory assessment, and other procedures related to IT
• Performed scheduled backup and necessary restores
• Repaired and recovered hardware or software failures as well as coordinating and communicating with impacted constituencies.
• Performed troubleshooting on network connectivity issues
• Monitored and maintained email applications or virus protection software
• Implemented security measures to protect data, software and hardware
• Performed ongoing performance tuning, hardware upgrades and resource optimization as required.
• Configured CPU, memory, and disk partitions as required
• Performed periodic performance reporting to support capacity planning.
• Responsible for security - intrusion prevention
• Performed additional duties as assigned by management
• Maintained professionalism, good attitude and appropriate behavior with personnel and clients.
• Operated master consoles in order to monitor the performance of computer systems and networks, and to coordinate computer network access and use
• Creation of documentation using sharepoint