Manager Administrator
Resume:
Adama Kourouma
Gaithersburg, MD
***********@*****.***
LinkedIn: https://www.linkedin.com/in/adak88
Skype ID: adamaadak88
Linux, Windows Systems Administrator
SUMMARY
Resourceful and result driven Linux Administrator with 5+ years of experience in the IT industry, and have proved to be an innovative and proactive Linux and windows administrator with hands-on and an excellent customer service problem solving skills. During these 5+ years, I have proved expertise in maintaining the operational status of Linux and Windows based computer systems.
As a result, I have acquired valuable experience in all facets of troubleshooting and systems administering. I effectively create, customize and manage file systems.
In addition, I am a motivated Linux and windows systems administrator who offers hands-on experience in a Linux and Windows environment, and I also have hands-on experience in configuring, monitoring, patching and maintaining system hardware, software and related infrastructures stable.
Finally, I have strong analytical skills; able to work with techniques from various administering disciplines to troubleshoot complex system-level issues.
EXPERIENCE
Trinitech Co. Ltd - Beltsville, Maryland
Linux Systems Administrator
September 2016 – Present
Manage more than 35 Linux OS installation and configuration on both standard and advanced network installation using kickstart Harden 40 servers by making sure vulnerable services such as ftp, telnet, login, finger, etc are being removed.
Responsible for assigning hostnames, default gateway, static and DNS addresses to more than 35 servers in order to introduce Linux servers to the LAN.
Perform Disaster Recovery (DR) for critical environments utilizing incremental or full backup recovering using TAR, CPIO, or RSYNC tools. Optimize performance of 40 servers by utilizing swap management. Built, Installed, configured, tested, and deployed 25 servers; 5 Red Hat servers 6, 13 Red Hat servers 7, 2 Centos 6, and 5 Centos 7 servers using kick start installation on VMware ESxi6 6.6. Create Logical Volume Manager (LVM)
● Extend root file system by using Logical Volume Manager (LVM)
● Patching RHEL 6/7 instances using yum;
● Troubleshooting corrupted root file systems for EXT4 and XFS;
● Install and configure LDAP servers and clients on Centos 6/7 and RHEL 6/7 systems;
● SOS Report and Ticketing System Procedure;
● Create Logical Volume Manager (LVM)
● Analyze uptime and reliability of the systems;
● SElinux context configuration;
● Create and schedule Crontab Jobs for backups, system monitoring and removal of unnecessary files;
● Configure firewall to prevent unauthorized access;
● Configure Apache (HTTP) web server and Linux LAMP server for developers’ web hosting;
Providence Inc – Conakry, Guinea
Junior Windows and Linux Systems Administrator
October 2013 – June 2015
Read technical manuals, conferred with users, and conducted more 50 computers diagnostics to investigate and resolved problems and provided technical assistance and support.
Managed 50 Windows computers and 25 Red Hat 5 servers by monitoring performance, configuration state;
Suggested and provided Internet Services solutions such as balance-rr in Network Bonding to the Management.
Directed technicians who were involved in diagnosing and correcting systems failures and performing systems’ management and determined logical solutions; Assisted in the management of Microsoft and Red Hat licensing; Provided end-user services escalation requiring Windows administrative assistance for help desk services when necessary;
Maintained, Monitored, and Improved WAN, and LAN, and VLAN connectivity, routing firewalls, loaded balancers, and other network security devices; Worked closely with the engineering team and provided cost-effective solutions to optimize their workflow wherever possible
CURRENT PROJECT
Build 20 servers; 15 Red Hat 7 servers and 5 Centos 7 servers using Kick start installation
Harden the servers by making sure vulnerable services such as ftp, telnet, login, finger, etc are being removed
Patch 15 Red Hat servers using yum update
Set strong password policy by configuring PAM (Plug-in Authentication Modules).
Restrict use of previous commands, locking user account after 3 login attempt failures.
Disable root login
Disable GUI
Configure centralized authentication for users and servers on IPA
(Identity Policy Audit)
EDUCATION
UGLC/SC, Conakry, Guinea
Bachelor of Science: Sociology, 2011
IBM Academy Institute, Conakry, Guinea
UNIX/Linux System Administration Training, February 2011 to November 2012 Montgomery College
Computer Science: Information Technology, October 2019 – October 2021 REFERENCES
Available upon request
Contact this candidate