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Linux Admin Resume

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Washington, DC

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SUMMARY

  • A highly driven and motivated Linux administrator with proven technical skill in a wide range of operating system platforms and support based system services including and not limited to troubleshooting, maintenance, hardware support, installation and configuration.
  • Possesses strong communication skills and comfortable in team based roles or single focused positions with minimal supervision.

TECHNICAL SKILLS

Operating systems and related technologies: RHEL 5/6/7, Solaris 9/10, Centos 4/5/6/7, Fedora, Ubuntu, Windows vista/XP/7/8, Active directory, LDAP, Puppet

Virtualization technologies: KVM, VmWare ESXi, RHEVM

Networking: TCP/IP, LAN, WAN, INTERNET

Computer skills: Microsoft word, excel, PowerPoint, outlook

Software and applications: Oracle 11g, 12c, apache tomcat, puppet, NetBackup(Symantec)

Ticketing applications: Remedy IT service management, BMC Remedy

Connection tools: ssh, telnet, sftp, ftp, WinScp, putty

Backup technologies: NetBackup, gzip, bzip, tar, rsync

PROFESSIONAL EXPERIENCE

LINUX ADMIN

Confidential, Washington DC

Responsibilities:

  • Patching development, test and production servers based on given patch cycles and times.
  • Managed and installed packages using yum and rpm tools
  • Created user accounts, managed user privileges, managing disk space and setting up disk quotas for specific accounts
  • Installed VmWare ESXi 5.5 on Hypervisor for test purposes
  • Created RHEL virtual servers in VmWare center from consolidated image and from attached image in datastore
  • Automated installation management using kickstart
  • Configured and set up network for newly created virtual servers and added them to the Red Hat Satellite
  • Installed, configured and supported apache on virtual machines.
  • Managed backup jobs using NetBackup.
  • Set up cron jobs and enabled or disabled jobs as required
  • General troubleshooting
  • Configured password less login between servers
  • Performing server readiness review after build according to set guidelines by customer/client
  • Created filesystems using logical volumes and updated fstab
  • Recovered root password for older generation servers
  • Performance tuning for oracle team, fixing issues with Hugepages and swap space modification
  • Set up and configured CIFS for windows O.S accessibility
  • Fixed broken links associated with startup scripts
  • Used Powerpoint for team presentation and mini proposals
  • Network troubleshooting using telnet, ping, nmap, traceroute etc
  • Fixed NFS stale handles
  • Oracle 11g and 12c installation, configuration and support
  • Troubleshooting to figure out possible reasons for server slowness
  • Killing zombie and runaway processes using the kill command
  • Managed security using ports/iptables
  • Used Remedy to track tickets and update events per resolution
  • Set up passwordless login for financial servers using ssh - key (private and public)
  • Root cause analysis and investigative procedure to avoid repeat of server failures
  • Other duties assigned

LINUX ADMIN

Confidential

Responsibilities:

  • Installed red hat servers using puppet and foreman
  • Cloned virtual machines in VMware ESXi host and migrated between hosts
  • Set up virtualbox using vdi images for developers
  • Created and managed user accounts, user profiles, and privileges.
  • Wrote mini scripts for repetitive weekly jobs
  • Granted sudo (elevated) privileges as required.
  • Filesystem investigation to find out why threshold has been passed and fixing as required.
  • Configured local repositories for development servers that were not connected to the satellite server
  • Responding to alerts thrown by monitoring tool (HPOV)
  • Shifts in NOC monitoring servers per week
  • Configuring and setting up NFS filesystems
  • Chron jobs set up and administration
  • Carried out periodic performance reports on production servers to determine points of failure
  • Physical server walk-through and observations to determine physical points of failure
  • Scanning for LUNS allocated by storage team and creating logical volumes and filesystems from them
  • Documentation of each team member procedure
  • Physical disk replacements (Hot swappable)
  • Data recovery from backup (Symantec Netbackup)
  • Supported the audit teams
  • Virtual box set up on windows machines using centos vdi images
  • General troubleshooting

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