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Executive Administrator

3 months ago

Herndon, Virginia, United States ManTech Full time

Secure our Nation, Ignite your Future


Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.

At ManTech International Corporation, you'll help protect our national security while working on innovative projects that offer opportunities for advancement.


Currently, ManTech is seeking a self-motivated and customer-service oriented Executive Administrator to join our team in the Herndon, VA area.

The ideal candidate must be resourceful with excellent problem-solving skills and be able to think proactively to handle multiple requests within tight deadlines.

We are seeking an energetic, hardworking team player with a can-do attitude that thrives in a high tempo environment. Professionalism, integrity, a strong sense of ownership, discretion and proactive thinking are critical in this role.

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 highlight 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.
  • Performs other duties and special projects as needed/assigned.

Job 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.
  • Impeccable analytical, interpersonal, verbal, and written communication to skills.
  • 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

Physical Requirements:

  • Must be able to be in a stationary position 50% of the time.
  • Must be able to work in an office environment and communicate, converse, and exchange information with peers, senior personnel, and customers.
  • Must be able to effectively use IT peripherals such as laptop, desktop, printer, fax machine, etc.


For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.

The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law.

ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

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 because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.


If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply.

ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies.

ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.


If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability.

To request an accommodation please click and provide your name and contact information.