Linux System Administrator Resume Silver Spring, MD - Hire IT People

SUMMARY:

Self - motivated and detail-oriented Linux Systems Administrator with hands on experience in IT systems administration and interest in networking, seeking a challenging assignment and responsibility, with an opportunity for growth and career advancement as well as successful achievements to further the growth and success of the company.

RELEVANT SKILLS:

Five (5) years of experience as a Linux System Administrator
Strong interpersonal and organizational skills
Very proficient in using Command Line Interface (CLI) and GUI administration
Competency in the use of Microsoft office ® and MS Visual Studio
Hands on experience configuring and managing TCP/IP networking on RHEL systems
Hands on experience installing and configuring DHCP, DNS, NFS server, Apache HTTP, Apache Tomcat, Nginx Web Server, and OpenSSH, LDAP, Kerberos
Experience with Confidential Shell and Python scripting
Possess good Linux Systems (100 - 500 physical and virtual servers) troubleshooting skills
Linux (Redhat, CentOS, Ubuntu/Debian), Windows Server (2008, 2012, 2016)
Dell PowerEdge R730, R920 servers, Dell OptiPlex 9040 server
HP (ProLiant D980, DL380e, DL580)
Remedy 9, NetBackup 7x
Knowledge of Puppet, AWS and Cloud management
In-depth Knowledge of LAN/WAN, VPN, Nagios, VMware ESXi, Oracle VM, MySQL Database.

PROFESSIONAL EXPERIENCE:

Confidential, Silver Spring, MD

Linux System Administrator

Responsibilities:

Created, configured, and diagnosed user and group permissions to facilitate System security.
Experience in creation and managing user accounts, security, rights, disk space and process monitoring in RedHat Linux
Configuring SUDO and granting root permission to users for performing certain activities.
Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
Installation and upgradation of packages and patches configuration management, service pack & reviewing network connectivity issues
Managed software packages on RedHat Linux servers using rpm and yum
Performed User/Group Account Administration; implemented password aging; monitored logins
Installed third-party applications on Linux servers
Created Confidential shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
Work with security team to modifying application users' password policies, group policy, UID and GID assignment policies.
Monitored the performance of the system using top, sar, ps, vmstat, netstat, iostat, and cpuinfo to check the CPU utilization, bottlenecks of I/O devices, memory usage and network traffic.
Experience creating and managing various file systems using LVM and, also configured filesystems through network using NFS, NAS, SAN methodologies and installed RAID devices.
Maintained system accounting files and logs and systems error logs
Installed and implemented new patches to the Linux operating system software.
Perform server installation using Kickstart, Network, and DVD on physical servers, VMware.
Installing and configuring Apache Webserver and supporting them on Linux production servers.
Implemented NFS, AutoFS, FTP, DNS, DHCP for administrative and project requirements as well SAMBA server for windows and Linux connectivity
Implement Linux server hardening using iptables, TCP Wrappers and ACLs on Red Hat Linux servers.
Check alert logs, trace files and file System maintenance using requisite system tools.
Supported developer in the installation and configuration of puppet master and agent for automated deployments
Decommissioning of the old servers and keeping track or decommissioned and new servers using inventory list.
Troubleshoot various systems problems such as application related issues, network related issues, hardware related issues etc.

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Linux System Administrator Resume

Silver Spring, MD

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