MAMADOU DIALLO Red Hat Certified System Administrator #: 230-101-784

Work Authorization: U.S. Citizen

Avon, Indiana 347-***-**** adze8h@r.postjobfree.com UNIX Linux Shell Scripting Performance Tuning RHEL 7, 8 & 9 KVM LVM HTTPD LDAP SAN NAS TCP/IP DHCP DNS NFS

Summary of Qualifications

• Perform systems administration activities as part of firm’s technical infrastructure.

• Solid background in system and software installation, user group administration, role base access control, file transferring and sharing; competent in file systems, volume and storage management, patch management amongst others.

• Experience with monitoring log management on UNIX/Linux servers including processes, crash, and swap management, with password recovery and performance tuning.

• Provide production support for Red Hat Enterprise Linux.

• Compute automation skills utilizing scrip language bash shell.

• Install and Configure Apache HTTPD.

• Perform regular system backup & recovery.

• Clear understanding of Cisco routers and switches.

• Complete professional training and certified on Cisco CCNA

• Adaptable, collaborative, strong team player, detail-oriented ability to multitasking. Excellent problem solving, analytical skills, interpersonal, verbal, and written communication skills, ability to work within strict deadlines, innovative, and highly motivated to create established efficient solutions that solve problems.

Education

Arizona State University

Bachelor of Applied Science, Information Technology 01/2023 Certification:

Red Hat Certified System Administrator (RHCSA) 05/2023 Cisco Certified Network Associate (CCNA) 12/2019

CompTIA N+ 01/2019

CompTIA A+ 01/2019

Professional Experience

Uber, New York, NY 06/2016 to Present

Unix Linux System Administrator

• Build, Install, and configure virtual and physical servers, test and deploy RHEL 7, 8, & 9 Centos 7, & 8 servers to the network: OS installation and configuration standard and advanced.

• Build standalone servers (using single user mode), and on production servers (live upgrade)

• Monitor log management on UNIX/Linux servers, including processes, crash, and swap man- agement with password recovery and performing tuning.

• Setup, configure, and troubleshoot TCP/IP, DHCP, DNS, NFS, CIFS, KVM, and samba servers in a multi-platform LAN.

• Troubleshoot Red Hat Enterprise Linux 7, 8, & 9 and Centos 7, & 8 issues in hardware and soft- ware related and configuration issues.

• Virtualization (VMware ESXI, Oracle Virtual Box, KVM, and zones).

• Install and maintain the operating system and related software products.

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

• Troubleshoot and resolve TCP/IP networking issues.

• Perform user accounts administration.

• Manage Password aging configuration on servers.

• Maintain file systems and host security.

• Install and administer patches and updates to help improve performance.

• Monitor and Manage Server performance using associated tools.

• Perform logs administration to detect and resolve system errors.

• Develop functional and technical documentation.

• Work as part of a team and provide 7x24 support when required.

• Perform security hardening on dedicated servers by turning off unused services.

• Configure key-based authentication for SSH.

• Install and update software packages from RedHat Network, configure a remote repository, or for the local file system.

Cellcom Guinea Telecom, Conakry-Guinea 04/2012 – 08/2014 Network/System Administrator

• Designed, installed, configured, and administered all network infrastructure and transport(s) in- cluding LAN/WAN, switches, firewalls, routers, wireless, VTC, VPN, WAN Optimizers, Load Bal- ancers, and Telephony including VoIP/UC as well as legacy Private Branch.

• Monitored event logs and any alerts generated by intelligent network monitoring systems and taking immediate remediation action when an issue is discovered.

• Developed and implemented Access Control Lists with the appropriate documentation to sup- port a least privileged approach to access security.

• Management and troubleshooting of the network elements, including but not limited to routers, switches, firewalls, telephony, and Uninterruptible Power Supply (UPS).

• Maintained detailed and accurate network documentation including inventories, policies, proce- dures, configuration, and network topology with up-to-date network architecture diagrams.

• Assigned IP addresses to new station in the building.

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