Jewitt received his bachelor's degree in Political Science from York College of Pennsylvania, a master’s in Management from Troy University, and a master’s in Strategic Studies from the Air War College. Jewitt’s military career spanned over 32 years with both enlisted and commissioned service. 

In civilian life, he is the deputy chief administrative officer (SES) for the Department of Housing and Urban Development. He recently served on the Maryland Veterans Commission and Maryland Military Installations Council as well as the executive board of the Maryland Council of Chapters. He resides in National Harbor, Md.