Owusu M. Afriyie

Linux System Administrator

Email: ads03x@r.postjobfree.com

Phone Number : 301-***-****

Summary: Skilled IT professional with 5 years of experience providing critical Systems Ad- ministration solutions. In addition, strong analytical skills; able to work with technicians from various engineering disciplines to troubleshoot complex system- level issues. Education:

2022 LPI Linux Essentials Certified

04/2009-08/2010 University of Nebraska: Omaha, NE

College of Medicine: Masters in Physician Assistant Studies 08/2000 -12/2005 Howard University: Washington, DC Bachelors of Science: Physician Assistant

Security Clearance: Preliminary Clearance

Job History:

01/2019-Present NEXTGEN DATA CLOUD, Frederick, MD

Position: Linux Administrator (Remote)

• Experience in installing, configuring, Monthly patching and daily troubleshooting of Red Hat Enterprise Linux.

• Assign servers to patch groups, assign repos to servers, publishing versions and promoting channels in RedHat Satellite.

• Reading Grafana Monitoring dashboard, Unitrend Backup report, and Deploying VMware EXSI 6.7/7.0 Snapshots.

• Install and Decommission of servers using VMware EXSi 6.7/7.0 (VMware vSphere) for Virtual Servers and HP iLO 5 (HP OneView) for physical RHEL servers.

• DNS entries and removal on Windows Server Datacenter 2019.

• Joining RHEL servers to Active Directory. Querying AD users and AD groups using Power- Shell.

• Various System Administrator tasks:

o User management, File system management, Permissions and Ownership of files and Directories.

o Working with Vendor to setup applications, Sudo Files configuration, Kernel Tuning, Troubleshooting service failure such as network, ssh, etc…

• Participate in various projects such as server migration from one datacenter to another and for virtual servers, from one Datastore (LUN) of a specific EXSI to another.

• Data migration using SCP and RSYNC with a combination of automated tasks using AT and CRONTAB.

• Setting SSH keyless communication between servers.

• Setup SSSD communication between AD and RHEL servers and allow AD groups to access.

• Manage RHEL servers and with a combination of sudoers files and bash scripts, AD users can switch to local users.

• Setup temporary (root) access for application team that will be removed with AT job.

• Write my own Ansible Playbooks, BASH scripts, and Python scripts to accomplish various projects.

• Creating standard operation procedures(SOP) to help new staff following company standards.

• Verifying daily Unitrends backup of assigned servers.

• Take VMware snapshots of newly built VMs before handing it over to application teams.

• Viewing dashboard to detect filesystems (LVM) running out of space and troubleshoot it, viewing services issues that need a restart/reload with (systemctl).

• Setting up NFS home directories and NFS mount for applications.

• View logs under /var/log for troubleshooting various issues.

• Experience with ticketing tools ServiceNow.

• Using PowerShell to query Active Directory.

• Participate on the ON-Call Rotation every 2 months. (Mon – Sun from 5pm to 7am). 01/2017- 01/2019 National Institutes of Health(NIH): Bethesda, MD Position: IT Support Technician

• Imaging laptops for new hire employees.

• Diagnoses and resolves problems in response to reported incidents through the Service Now portal.

• Installs, tests, maintains, and upgrades network operating systems.

• Configure Cisco IP Phone in CUCM as an onboarding process.

• Support and maintain all network printers; HP LaserJet, Xerox, WorkCentre and Plotters.

• Knowledge of maintaining and troubleshooting Apple iPhone/iPad OS mobile services.

• Assist with migrating Microsoft Outlook to the Cloud.

• Windows 7 deployment to Windows 10 enterprise while restoring user data through SCCM.

• Communicate with vendors to order new parts, solve problems and build relationships.

• Report to supervisor periodically on work accomplishments, problems and progress. Skills:

Operating System

Rhel 5.x, 6.x, 7.x, 8.x CentOS 5.x, 6.x, 7.x, 8.x Windows 7, 8, 10 Windows Server 2019 Hardware

HP ProLiant G7, G8, G9, G10.

Software/Applications/Tools

Ansible, VMware Exsi 6.7, Putty, PowerShell, Satellite, Prometheus, Grafana, Unitrends, ServiceNow Cloud

AWS CLI, AWS Shared responsibility model, AWS management Console, Networking, Databases, Ser- vices, and Identity & Access

Languages

Shell Scripting, Bash

Networking

TCP/IP, NIS, NFS, DNS, DHCP, LAN, FTP/TFTP, SSH, SFTP Storage

LVM, SCSI, SATA, Ext 4, XFS, SAN, NFS, SAMBA, RAID (0/1/5)

(References upon request)

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