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Linux Administrator Resume

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Landover, MD

SUMMARY

Over 10+ years of experience as a Linux Systems Administrator with a robust performance background in professional system support and solution - based IT services for Linux Systems. Excel as a collaborative team player able to manage multiple tasks in a fast-paced environment. Desire to learn emerging technologies and adapt to changing environments while exceeding expectations and company objectives.

PROFESSIONAL EXPERIENCE

Confidential,Hanover, MD

Linux Administrator

Responsibilities:
  • Administer RHEL versions 6; 6.3, 6.4, 6.5, 7 including troubleshooting both physical and virtual server issues
  • Install RedHat Linux using kickstart and interactive installation and apply security polices for hardening the server based on company policies and procedures
  • Worked with VMWare
  • Worked with TCP/IP network configuration
  • Implementation and troubleshooting of network services like NFS,FTP,NTP,SSH
  • Managing package install/upgrades using YUM and RMP
  • Configure and Maintain various Redhat/CentOS Linux environments
  • Installing and configuring Apache web server
  • Establish key root cause analysis findings facilitating recommendations on problem avoidance
  • Perform application software installations, upgrades, and troubleshooting along with server management
  • Manage systems routine backup, storage, scheduling jobs such as disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, and testing
  • Handle hardware upgrade, Operating System upgrade, application installation, and testing
  • Design Firewall rules for new servers to enable communication with application servers

Confidential,Landover, MD

Linux Administrator

Responsibilities:
  • Installation and administration of RHEL 4.0/5.0 and CentOS 5
  • Configured kickstart server and updating patches to the servers using proxy server
  • Did system upgrades, operating system, and periodical patch upgrades
  • Created Firewall rules for new servers to enable communication with applications
  • Offered ideas for appropriate support packages/patches to maintain system integrity
  • Performed capacity analysis and monitored and controlled disk space usage on systems
  • Set up user/group login ID's, printing parameters, network configuration, and password and permissions issues

Confidential, San Jose, CA

Junior Linux Administrator

Responsibilities:
  • Installed, configured & maintained company’s operating system (Red Hat)
  • Organized routine server maintenance and implemented server infrastructure changes
  • Identified and coordinated resolution of environment-related issues with personnel
  • Supported end users and provided basic training to new users as required
  • Communicated with application vendors for upgrades, enhancements, and technical support

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