Proactively manage calendars for assigned staff. Prioritize and schedule meetings, handle quick turn requests, monitor and act upon upcoming needs, and resolve frequent schedule conflicts Support reporting and presentation requirements. Collect and summarize data, prepare draft documents, plan and schedule reviews, and facilitate complete and timely submissions Make domestic and international travel arrangements and process expense reports in a timely manner for assigned staff Attend staff meetings, publish agendas and follow-up on action items Arrange and execute support for a variety of internal and external on-site meetings, including conference room reservations and catering Respond to a wide variety of employee requests, provide direct support and/or resource referrals as appropriate Manage and/or support special projects as assigned Provide back-up support for other administrative staff as needed Greet employees and visitors in a courteous and friendly manner Check visitor identification, issue visitor badges, and record visitors' arrival and departures times Receive, sort, and deliver incoming mail; facilitate outgoing mailings and the shipping of business items Provide inventory oversight and ordering/purchasing support for office supplies High School diploma/GED with at least 4 years' experience as an administrative assistant or similar Proficient in MS Office Suite (Word, Excel, Outlook and PowerPoint) Ability to obtain and maintain a DoD Secret security clearance High School diploma/GED with at least 6 years' experience as an administrative assistant or similar Proficient in MS Office Suite (Word, Excel, Outlook and PowerPoint) Strong interpersonal, communication and organizational skills Ability to obtain and maintain a DoD Secret security clearance Active DoD Secret or Top-Secret security clearance Proficiency in business and travel expense system (Concur, Edge, or similar) with complex, frequently changing travel Experience with the paperwork and procedures pertaining to United States Status of Forces Agreements (SOFA) Experience in planning, coordinating and overseeing catering for corporate meetings Strong proofreading and document preparation skills