Executive Administrator

General information Requisition # R67592 Locations USA-VA-Herndon Posting Date 05/07/2026 Security Clearance Required None Remote Type Onsite Time Type Full time Description & Requirements Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH! MANTECH seeks a motivated, career and customer-oriented Executive Administrator to join our team in Herndon, VA. Responsibilities include, but are not limited to: Provide executive administrative support to multiple C-suite executives, which includes managing their calendars, scheduling, and de-conflicting appointments. Administering a broad variety of tasks such as taking minutes at key meetings and tracking action items; coordinating weekly reports for input; preparing agendas, executive reports, and presentations. Responsible for other administrative tasks to include organizing, coordinating, and managing meeting logistics and event support; ordering and coordinating catering; maintaining and placing orders for office supplies; monitoring executive email inboxes and highlighting urgent requests or communications. Arranging complex travel arrangements, itineraries, and agendas to include coordinating local domestic and international travel, completing expense reimbursement requests and travel authorizations. Acting as a liaison to develop close working relationships with other departments such as Finance, HR, and Security partners and the executive's direct reports. Handling purchasing administration, which may include submission of purchase orders, requisitions, payment vouchers, managing and reconciling corporate credit card used for various expenses.

Minimum Qualifications:

High School Diploma and at least 8 years of executive support and/or administrative experience Experience coordinating multiple executives' calendars simultaneously. Expert knowledge of Google and Microsoft Office Products; including Gmail, Microsoft Word, Excel, and PowerPoint. Strong experience planning executive, domestic and international travel. Ability to perform and prioritize multiple tasks efficiently at any given time with excellent attention to detail and the ability to meet tight deadlines. Proven ability to handle confidential information with the utmost discretion, integrity, and professionalism.

Preferred Qualifications:

Bachelor's degree preferred

Physical Requirements:

Frequently communicates with co-workers, management and customers, which may involve delivering presentations Must be able to exchange accurate information in these situation MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.