Linux Systems Administrator Resume Greenbelt, MD - Hire IT People

SUMMARY:

Strong performance background in wide variety of professional system support and solution - based IT services for Linux and Unix Systems including, monitoring, configuration, troubleshooting and maintenance of operating systems.

PROFESSIONAL EXPERIENCE:

Linux Systems Administrator

Confidential - Greenbelt, MD

Install new / rebuild existing Linux and Centos servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements of the company/client
Develop and maintain installation and configuration procedures and system standards
Installing RedHat Linux using kickstart
Experience in Installing and configuring NFS, DNS, NTP, HTTP server, also configuring VIRTUAL HOST and supporting them on Linux servers
RPM and YUM package installations, patch(both OS and Application) and other server management.
Experience in User administration( setting up user accounts and group login ID's, password and resolving permissions issues)
Investigating and troubleshoot all issues related to IT infrastructure for internal teams or clients using telephone/emails
Managing systems routine backup, scheduling jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
Worked and performed data center operations including cabling, rack mounting and printing services
Collaborate with other teams and team members to develop automation strategies and deployment processes
Experience in using VMWARE as a hypervisor to install virtual machines.
Experience with vm snapshot and ESXi hosts patching
Experience in VM Migration.
Some experience with BASH Scripting
Some experience with MYSQL DATABASE
Knowledge of networking protocols like ( TCP/IP, HTTP,HTTPS, DNS,NTP,FTP, LDAP, SSH,etc)
Experience in administring IPTABLES RULES and FIREWALL RULES
Basic Knowledge of window server and Active Directory
Experience using the VI EDITOR
Monitored server and application performance & tuning via various commands (vmstat, top, iostatetc.)
Experience with Automation tools
Experience using puppet as a configuration and management tool
Experience with logical volume manager (LVM)

Linux Systems Administrator

Confidential, Hyattsville, MD

Installation and administration of RHEL 4.0/5.0 and Centos 5.x/6.x. and applying security polices for hardening the server based on the company policies.
Configured kickstart server and updating/applying patches to the servers using proxy server.
Experience in Vmware
Remote system administration using tools like SSH, Telnet, and Rlogin.
Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
Have experience with shell scripting
Automation of jobs through crontab and autosys.
Applied appropriate support packages/patches to maintain system integrity.
Performed capacity analysis, monitored and controlled disk space usage
n systems.
Facility and Service Administration.
Designing Firewall rules for new servers to enable communication with application.
Experience in using VMWARE as a hypervisor to install virtual machines.

Junior Linux System Administrator

Confidential, Landover, MD

Install, configure, and maintain organization's operating system (Centos& Red Hat).
Apply patches to stay current. Implement and maintain security policies and procedures.
Coordinated routine server maintenance and implement server infrastructure changes as needed.
Performed daily system administration activities; checking system logs, troubleshooting, and other system resource usages.
Provided support for assigned applications, including setup of new users, password resets, and basic troubleshooting of application issues.
Evaluated, escalated and coordinated resolution of environment-related issues with appropriate personnel.
Served as a subject matter expert for functionality within assigned applications, and stayed current on new and upcoming enhancements within assigned applications.
Answered questions from end users and provides basic training to new users as needed.
Coordinated with application vendors for upgrades, enhancements, and technical support as required.

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Linux Systems Administrator Resume

Greenbelt, MD

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