Information Technology System Administrator

MAMADOU K DIALLO

Columbus, OH, ***** 718-***-**** *********@*****.***

Summary of Qualifications

5years of experience in working with information technology, with a strong background in Linux system administration and building servers.

Solid background in operating systems installation RHEL 6,7&8 Centos 6&7, user group administration, role base access control, file transferring and sharing, file systems, volume and storage, and patch management

Configure and connect to a single sign on LDAP/AD server and configure Auto-mount

Compute automation skills utilizing script language bash shell and perform regular system backup and recovery

Install and Configure Apache HTTPD

Develop home project, build and configure live servers centos 6, 7 and 8

Developing and implementing Access Control Lists

Certificates

Red Hat Certified System Administrator

Google Certificate IT Support

Work Experience

Allied Universal Service, OH November 2023–present

Linux Administrator

Experience working with elite investigation ltd to assisting, Build, Install, and configure virtual and physical servers, RHEL 7, 8 and 9 and deploy them to the network

Monitor log management on UNIX/Linux servers, including processes, crash and swap management with password recovery and performing tuning

Setup, configure, and troubleshoot TCP/IP, DNS; NFS, LDAP, MySQL, Kerberos, httpd, and samba servers in a multi-platform LAN

Troubleshoot Red Hat Enterprise Linux 6 & 7 and Centos 6 & 7 issues related in hardware and software

Perform patching on servers

Install and configure Samba server and mapping it to a windows server

Virtualization (VMware ESXI, and Oracle Virtual Box)

Participating in root-cause analysis of recurring issues, system backup and security setup, provide 24/7 support in production testing and development environments.

Archived, compress, and uncompress files using gzip, tar, and bzip.

Elite investigation ltd, NY February 2019 - November 2023

Linux System Administrator

Troubleshooted and resolved TCP/IP networking issues

Performed user accounts administration

Managed Password aging configuration on servers

Maintained file systems and host security

Installed and Administered patches and updates to help improve performance

Monitored and Managed Server performance using associated tools

Performed logs administration to detect and resolve system errors

Configured Apache HTTP and web servers

Troubleshooted managed guest systems via VMware infrastructure (ESXI, vSphere)

Built and deployed servers RHEL 5 and 6 to the network and performed user accounts administration

Successful in resolving customer issues through troubleshooting

Performed logs administration to detect and resolve system errors

Performed security hardening on dedicated servers by turning off unused services

Archived, compress, and uncompress files using gzip, tar, and bzip.

Configured key-based authentication for ssh

Installed and updated software packages from RedHat Network, configure a remote repository for the local file system

Education

Borough of Manhattan Community College, Ny, New York

Associate in business administration

Higher national institute of technical education, Conakry, Guinea

Associate in law

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