Network Administrator & IT Infrastructure Leader

Donnie Donselman

Richmond, KY 859-***-**** **********@*****.***

linkedin.com/in/donnie-donselman-102a3566

Professional Summary

Hands-on Network Administrator and IT leader with 20+ years of experience supporting, designing, and maintaining secure network and server environments. Experienced in LAN/WAN infrastructure, Windows Server, VMware, Microsoft 365, DNS/DHCP, VoIP systems, and end-user support. Known for reliability, practical problem-solving, and strong communication across technical and non-technical teams.

Core Technical Skills

Networking (LAN/WAN, VPN, Firewalls, Cisco, Aruba, SD-WAN)

Windows Server 2012–2022, Active Directory, DNS, DHCP

VMware vSphere, Hyper-V, Virtualization

Microsoft 365 (Exchange Online, Teams, SharePoint, Azure AD)

Veeam Backup & Replication, Disaster Recovery

Windows 10/11 Deployment, PC Imaging, VoIP Systems

Network Security, MFA, Monitoring & Documentation

Professional Experience

IT Consultant Donseland Properties 2024–Present

- Provide hands-on network and systems administration

- Configure and maintain firewalls, wireless networks, and secure remote access

- Administer Microsoft 365 environment and manage backups and updates

- Document infrastructure and improve operational reliability

Pre-Sales Engineer Pivot / Computacenter 2018–2024

- Designed infrastructure and networking solutions including VMware and cloud services

- Developed technical documentation, scopes of work, and pricing models

- Collaborated with vendors to integrate networking and backup solutions

- Supported troubleshooting and remediation of client environments

Director of IT Denham-Blythe Design Build Company 2011–2018

- Managed network and server infrastructure for 180+ users across multiple locations

- Maintained Windows Server, Active Directory, DNS, DHCP, and VMware environments

- Achieved 99.7% uptime through proactive monitoring and maintenance

- Implemented disaster recovery reducing downtime from 24 hours to under 2 hours

- Managed VoIP systems and Microsoft 365 migration

Network Engineer Hensley Elam & Associates 2010–2011

- Installed and configured network hardware and software

- Reduced downtime and improved performance through monitoring and optimization

- Provided Tier 2/3 troubleshooting and end-user support

Chief Technical Officer / Owner FAST-Box Systems Inc. 2008–2010

- Founded and operated IT services company serving 30+ clients

- Delivered network administration, server management, and virtualization services

- Implemented backup, security, and disaster recovery solutions

Earlier Career NCR Corporation, Alliance Technology, Clark Security

- Provided enterprise field engineering and Tier 1–2 technical support

- Supported mission-critical retail and corporate environments

- Maintained high system uptime and customer satisfaction

Education

Associate of Science in Computer Science

Sullivan University – Magna Cum Laude (3.85 GPA)

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