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Linux system administrator

Location:
Columbus, OH
Posted:
December 01, 2025

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Resume:

Joseph A. Cooper

Contact information

Email:*********@****.***

Phone:1-740-***-****

SKILL SUMMARY:

Experience with computer troubleshooting knowledge spanning all Windows versions.

Experience with the most popular Linux distros including Redhat, Ubuntu, Linux mint, Debien along with Free BSD

Several years of remote troubleshooting experience

Worked extensively in windows server 2003, 2008, 2012, and 2016 Including active directory modules, Powershell, and exchange servers

I have a very good understanding of networking protocols (TCP/IP, SSH, DHCP, DNS, NFS, CIFS, SMTP, MAPI, iSCSI, IPP, HTTP/HTTPS)

EXPERIENCE:

WarLock October 23 2020 – Present

System Administrator

Setup new Windows and Linux virtual machines as well as manage Vmware ESXI 6.0, 6.5, 7 and 8.

Administer Windows Active Directory.

Manage and administer all local windows assets.

Maintain all servers though VMware VSphere client

Ensure RHEL servers (6-9) are patched and updated by manually importing RPM packages into local repositories.

Create new users in Active Directory with proper permissions when required.

Self-Employed-Freelance/Consulting April 2009 – Present

System Administrator

Ensure all windows servers are patched and up to date though manual patching and using WSUS when available.

Manage all servers on the corporate network including the exchange server, SQL server, terminal server,

Manage Active directory

Manage corporate assets including Virtual machines.

Responsible for onboarding all new employees.

Managed all client assets, and issues, including Server related issues, employee deployment, and software troubleshooting.

Support desktop software including Outlook, Microsoft office, Lotus Notes, and remote VPN software

Provide password resets for mainframe systems and active directory accounts.

Maintain operating systems

Computer networking

PC repair and troubleshooting

Game system repair

All other computer operations as needed

Security Clearance:

None, Full confidence in ability to attain clearance through sponsorship.

EDUCATION:

Certifications

None-Willing to acquire any requested. Confident in ability to obtain

HS Diploma / General Studies, 2007

Circleville High School

Some College.



Contact this candidate