Denise Duffel, MTA

Network & Systems Administrator

The tools Wightman team members rely on to do their jobs – from computers and wifi to cell phones and software – are managed and maintained by Denise. She joined Wightman in 2014 as their network and systems administrator and daily applies her more than 10 years of computer technology experience to supporting all three Wightman locations. Among her many responsibilities, she oversees technology purchases; configures, installs, and maintains workstations; administers the VOIP phone system and cell phone plans; and oversees network servers, systems, and wifi access points. She also manages the helpdesk system, technology asset tracking, email administration, and the company’s security systems.

Areas of Focus

  • Microsoft Windows Servers
  • Microsoft Windows 10
  • Microsoft Office 365
  • 8x8 VOIP Phone System
  • Honeywell Video Surveillance System
  • Integra 32 Door Security System
  • Spiceworks Helpdesk System


  • Admin + Business Services


B.S. Business
Indiana University, South Bend, IN

A.A.S. in Computer Technology
Lake Michigan College, Benton Harbor, MI

Professional Training & Registrations

  • MS 70-410: Installing and Configuring Windows Server 2012 R2
  • MS 70-411: Administering Windows Server 2012 R2
  • MTA: Windows Operating System Fundamentals


  • Wightman Rock Star Award Winner

Affiliations & Memberships

  • Berrien Springs Oronoko Fire Department Women's Auxiliary
  • United Way Flood Cleanup
  • Berrien County Youth Fair
  • Greater Berrien Springs Recreational Department

Personal Note

Loves travel, cruising, camping and Alaska!

Denise Duffel Admin Wightman

Contact Denise Duffel

Office: 269.692.9625

Denise's Featured Projects