Executive Administrator

Herndon, Virginia

ManTech
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ManTech seeks a motivated and detail-oriented Executive Administrator to join our team in Herndon, VA.

Responsibilities include, but are not limited to:
  • Provide executive administrative support to multiple 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; answering/prescreening phone calls; 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, Bachelor's degree preferred
  • 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.
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 International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at and provide your name and contact information.

Date Posted: 01 May 2025
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