Administrative Assistant - Military veterans preferred

ManTech (


  full-time   employee

United States

Secure our Nation, Ignite your Future

Become an integral part of a diverse team in the Mission, Cyber and Intelligence Solutions (MCIS) Group. Currently, ManTech is seeking a motivated, mission oriented Administrative Assistant, in the Chantilly, VA area. At ManTech, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

The IOS Division provides mission solutions to a wide range of Defense and Intelligence Community customers. This division consists of a team of technical leaders that deliver advanced technical solutions to government organizations. Our customers have high standards, are technically adept, and use our products daily to support their mission of protecting national security. Our contributions to our customers success is driving our growth.

The Administrative Assistant position performs a variety of administrative duties providing mission support in one or more functions or business areas. The nature of Administrative Assistant work varies from transactional in nature and requires general knowledge of basic administrative processes (Entry Level) to moderately complex (Intermediate Level).

Responsibilities include, but are not limited to:

  • Recommend innovative processes to improve the efficiency and effectiveness of the office.
  • Compose written communication in response to complex customer queries.
  • Prepare routine status reports and track office-related metrics.
  • Manage routine website content updates and coordinate more complex website changes with webmaster.
  • Coordinate scheduling, organizing, and execution of meetings, events, conferences, and off-sites.
  • Attend meetings, events, and forums.
  • Assist in maintaining inventories, records, and receipts.
  • Coordinate office renovations and relocation activities.
  • Support TIER actions, assign actions to the appropriate divisions or branches, follow up on actions, coordinate responses in a non-conflicted manner for senior management review, provide status reports, and participate at NRO-wide TIER meetings.
  • Maintain a schedule of appointments fora manager or office.
  • Answer routine telephone calls, direct calls and take messages.
  • Greet and escort visitors.
  • Retrieve, sort, and distribute incoming mail, newspapers, faxes, and other publications/documents.
  • Arrange for the delivery of outgoing mail/packages with the mailroom.
  • Prepare travel/training arrangements and process travel/training accounting/vouchers for the program office.
  • Draft, proofread, edit and coordinate correspondence.
  • Perform research and retrieve information from databases and other resources.
  • Maintain tracking records and filing systems; archive files.
  • Maintain, update and serve as focal point for databases or spreadsheets.
  • Assist in planning, scheduling, organizing, and execution of meetings, events, conferences, and off-sites.
  • Participate in meetings and events: may serve as recorder and may present position-related information.
  • Prepare access rosters and request security clearance transfers.
  • Perform administrative back up support for other offices.
  • Detail-orientated.
  • Ability to communicate effectively and concisely using a variety of styles and techniques appropriate to the audience.
  • Ability to participate productively as a contributing member in a team environment.
  • Strong interpersonal skills.
  • Ability to be discreet and maintain confidentiality.
  • Proficient in the use of Microsoft Office and standard computer applications.
  • Knowledge of proper English usage, spelling, grammar, punctuation and sentence structure to ensure that written materials prepared and reviewed are complete, succinct, and formatted correctly.


  • Experience with protocol and precedence; IC/DoD structure, regulations, directives, and policies.
  • High School Diploma or GED equivalent and 5+ years of experience.
  • IC (intelligence community) or DoD work experience is desired
  • Experience with Awards and Decorations, preferably with military background.

Security clearance requirement:
Active/current TS/SCI with CI Polygraph is required.

Physical requirements:

  • Must be able to be in a stationary position more than 50% of the time
  • Must be able to communicate, converse, and exchange information with peers and senior personnel
  • Constantly operates a computer and other office productivity machinery, such as a computer 


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 (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.

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.