ManTech Administrative Assistant in Chantilly, Virginia

Become an integral part of a diverse team that leads the world in the Mission, Cyber, and Intelligence Solutions group. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer oriented Administrative Assistant to join our team in the Washington, DC. area to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech.

Responsibilities include, but are not limited to:

  • Schedule Manager Appointments and meetings

  • Document and track Director s Action Group (DAG) action items

  • Document minutes and action items for the following:

  • SCO staff meetings

  • Management Off-sites

  • Working group meetings

  • All-hands meetings

  • PMR reviews

  • Briefing creation and reviews

  • Day-to-day SCO front office management, to include maintaining office schedule, calendar maintenance, coordinating meetings, typing, filing, and ordering office supplies

  • Prepare, proofread, and edit SCO front office correspondence for signature

  • Edit and design documents/presentations/briefings

  • Prepare and coordinate travel arrangements for official Govt. business for SCO front office personnel (Harm s way, OCONUS and CONUS)

  • Serve as the SharePoint administrator to develop, maintain, and update SCO web pages

  • DAG lead – Track, file, close, and archive Tracking Information and Enterprise Response (TIER) actions initiated both internally and externally to include assigning, consolidating, and evaluating group responses in order to present a timely and accurate product

  • Provide the expertise and support necessary to maintain currency of training/education programs and materials

  • Provide ad hoc support to other SCO management, staff, and external customers

Position Requirements:

  • Education Required: HS Degree or GED

  • Education Desired: Associates Degree

  • Relevant Experience Required: Admin Support or secretarial experience

  • Relevant Experience Desired: Admin support or secretarial experience as it applies to day-to-day customer service and administrative support

  • Office management support for senior executives

Security Requirements:

  • TS/SCI with CI Poly


Requires High School diploma or equivalent, and five to six years of related experience and requires initiative, judgment, knowledge, and ability to relieve the executive of administrative details.


High School Diploma or GED Certificate, Equivalent Experience/Education

Years of Experience

05-06 years w/High School Diploma

Position Type





ManTech International Corporation is comprised of approximately 7,300 talented employees who use advanced technology to help government and industry meet some of their greatest challenges around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than four decades ago, aligning squarely with the mission objectives of our customers. As our customer base continues to expand and diversify, we continue to diversify our workforce and solutions. Nearly half our employees have a military background, and approximately 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, health, space, and intelligence communities; we hold nearly 1,100 active contracts with more than 50 different government agencies.

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 Waretime 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 (703) 218-6000. 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.

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