System Administrator Professional Experience
Resume:
BENSBROWN N. ENOH
***********@*****.***
REDHAT SYSTEM ADMINISTRATOR
Self-motivated and talented system administrator, offering four years of experience in a Unix/Linux environment and experienced in several flavors of Linux, such as Redhat, Centos and Ubuntu. Installed/deployed and supported web and proprietary applications on both physical and virtual servers. Provided ongoing management, performance-tuning and Tier 3 support for Linux and UNIX systems. Solidly credentialed with a Redhat System Administrator Certification. Strong grasp of computer security, assorted operating systems, numerous applications and mixed platforms.
EDUCATION/TRAINING AND CERTIFICATION
Redhat Certified System Administrator (RHCSA)
Two years of college, majoring in computer science
MILLITARY SERVICE
United States Air Force
Skills & Core Competencies
Exceptional interpersonal, communication, negotiation and presentation skills.
Ability to document procedures and processes accurately.
PROFESSIONAL EXPERIENCE
Redhat System Administrator
Install new servers and rebuilt existing servers and configured hardware, services, settings, directories etc., in accordance with baseline and operational requirements.
Perform user management; Created, changed and deleted user accounts as needed.
Manage disk file systems, server performance, users creation and file access permissions.
Perform periodic file archiving and purges as necessary using tar or cpio
Apply operating system patches/updates on a regular basis.
Perform daily system monitoring; verify the integrity and availability of all hardware server resources, systems and key processes with Nagios.
Perform daily reviewing of system and application logs, while verifying successful completion of scheduled jobs.
Develop, contribute and maintain installation and configuration baseline as well as system standards.
Recommend innovative solutions for system administrator issues and suggest process improvements.
Add swap space on disks as needed using Linux utilities.
Perform regular security monitoring to identify any possible intrusion with use of AIDE.
Use Site Scope monitoring to monitor system applications.
Performed disk replacement (Root disk and Data disk).
Perform ongoing performance tuning, monitor CPU usage, memory and disk partitions as required.
Use Linux utilities such as lvextend, vgextend, etc. to decrease and increase filesystems as needed.
Troubleshoot User's login & home directory related issues.
Managing (adding/removing) disks and partitions (LVM).
Create ACLs and perform group collaboration on system as needed.
Maintain and update standard operation procedures and service maintainable manuals.
Use ticketing tool to respond to and track requests.
Perform troubleshooting analysis to rectify issues by instituting best practices in system log analysis and system software auditing.
Maintain existing programs/scripts and extended Linux system functionality as needed.
Research the market to gain information on the latest updates available and made recommendations accordingly.
Monitor servers and Linux scripts regularly and performed troubleshooting steps.
Test and installed the latest software on server for end-users.
Install and configure services such as DNS, NFS, SSH, Autofs, FTP, LDAP and Apache Web Server.
Junior Linux/Unix System Administrator
Beyond Technologies
Troubleshoot issues in a Red Hat Linux Enterprise environment.
Utilized Linux utilities to maintain data storage and disk space requirements.
Provided daily support to software developers and application team.
Performed swap space management.
Installed patches and packages as needed.
Scheduled jobs and automating processes using CRON and AT.
Created and maintained network file systems such as NFS and Autofs.
Accessed tickets daily using the remedy ticketing system while providing recommended solutions.
Performed basic creation and troubleshooting on shell scripts.
Performed hardware and software upgrades as requested and approved.
Performed RAID configuration on LINUX.
Managed and maintained user accounts by performing user ID creation, modification and deletion.
Configured and managed network interfaces.
Monitored system logs and root's emails for important messages such as warnings and hardware fail errors.
Created groups, added User ID to groups as primary or secondary groups, removing User ID from a group.
Converted physical servers to virtual servers and managed them as required.
Configured Apache Tomcat servers and deploy Java base applications such as Jenkins.
Configured and manage Glassfish application server.
Scan servers using Nessus scan and do required mentainance.
Configure and maintain Drupal servers
Managed users and active directories in windows.
Utilized Shell Scripting.
Created and cloned Linux Virtual Machines and templates using VMware vSphere client 6 and migrating servers between ESXi hosts.
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