SUMMARY:

Experienced IT professional with over 6 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.

TECHNOLOGIES:

Tools: 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

Operating Systems and Versions: RedHat 4,5, 6 and 7, CentOS, Debian, Ubuntu, Microsoft, Sun Solaris 8,9 and 10, Windows 7 series, Windows Xp, Vista, Windows 2008 and Windows 2003. Linux/ Unix cli ….. Troubleshooting Tools whatis, whereis, Sudo, find, locate, more, less, wc, tee, tr, sed, cut, alias, set, export, env, bunzip2, zcat, more, getfacl, fuser, lsof, tune2fs, pvs, vgs, lvs, cron, top, jobs, ps -ef, df, lsmod, fdisk and du, watch, vmstat, iostat, sar, rpm, yum, route, tcpdump, ltrace, atrm, tar, Nmap, Netmap. etc

Networking: TCP/IP, LAN, WAN, INTERNET.

Physical Servers/ Technologies: 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

Keywords: 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

Virtualization: Xen Hypervisor, KVM,RHEVM

Computer Skills: Microsoft Word, Excel, PowerPoint and Outlook

Backup: Synmatec NetBackup, tar, rsync, VmWare snapshots

Monitoring Tool: OpenManage, HP-OpenView, Groundwork Monitor Enterprise, Avocent DSView3, solarwinds and Big Brother

Ticketing Application: Remedy IT Service Management, BMC Remedy, KVM.

Connection tools: ssh, telnet, rlogin, sftp, winScp,rdp and rsh

Databases: Oracle and MySQL DB

Web Servers: Apache, Apache tomcat and glassfish

PROFESSIONAL EXPERIENCE:

Senior Linux Systems Engineer / I.T solutions engineer

Confidential

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
• Using logical volume tools to create local filesystem e.g lvcreate,pvcreate…
• 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 ObserverIT application for test monitoring
• Monitoring filesystem use with Solarwinds and fixing filesystems 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.
• Configuring sudo(group and wheel) access for users
• Performance tuning, Hugepage modification for Oracle, changing open file limits, Kernel and Network tuning, swap space modification
• Fix broken links associated with start up 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
• Filesystem investigation and management
• 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
• Set up Nagios in conjuction with Groundworks for monitoring entire infrastructure and identifying points of failure before major escalation and reduction of downtime
• Configuring and setting up NFS filesystems
• Managed system security using Iptables and port
• Managing and troubleshooting running processes and applications
• Hardware troubleshooting, replacement and support.
• Chron jobs setup and administration
• User administration
• Snmp (snmpwalk) installation, configuration and management.
• Network connection troubleshooting, management and support.
• Symantec Netbackup installation, administration, backup and restoration.
• Providing users with elevated privileges for special tasks(sudo)
• Server decommissioning using laid down procedures and scripts
• Physical data room 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
• Security and audit scans to limit cracking.
• VirtualBox VM setup for clients using centos vdi images
• Physical disk replacements (hot swappable)

Confidential

Linux Systems Administrator/Engineer

Responsibilities:

• 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

Junior Linux Systems Administrator

Responsibilities:

• User administration
• 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