ManTech Administrative Assistant in Alexandria, Virginia

Basic Program Overview:

ManTech is seeking a motivated and enthusiastic individual to join our team in Alexandria, VA to provide exceptional support to our customer and to begin an exciting and rewarding career within ManTech.

The Administrative Assistant will provide support to government leaders in the Department of Defense. Administrative support tasks shall encompass a full range of moderate to complex clerical and secretarial assignments involving use of judgment and discretion.

General Responsibilities:

  • Coordinating and preparing travel arrangements and reimbursements in the Defense Travel System (DTS).

  • Coordinating travel requirements to include local, domestic and international destinations.

  • Organizing, coordinating, and assisting with conferences, meetings, seminars, and other events.

  • Maintaining schedules, appointments, meetings, and calendars for assigned customer Program Managers.

  • Managing front desk operations such as, answering multiple phone lines, greeting visitors, performing check-in and check-out procedures for cleared individuals.

  • Preparing and composing correspondence, reports and other written products.

  • Proofreading and editing internal and external communication and correspondence for assigned customer Program Managers.

  • Gathering, maintaining, and analyzing data for various purposes.

Mandatory Skills Requirements:

  • At least 5 years of administrative support experience in a Department of Defense office for multiple customer Program Managers.

  • At least 2 years of travel support including domestic and international using the Defense Travel System (DTS).

  • Knowledge of the DoD Joint Travel Regulations (JTR).

  • Proficient in the Microsoft Office suite.

  • Ability to obtain a DoD Top Secret clearance.


Other Skills Preferred:

  • Experience with the DoD s Aircraft and Personnel Automated Clearance System (APACS).

  • Experience with the Department of State s eCountry Clearance (eCC) systems.

  • Experience as a Lead Defense Travel Administrator (LDTA) is a plus.

  • Bachelor s Degree is a plus.


High School Diploma or GED Certificate, Equivalent Experience/Education, Bachelor's Degree

Years of Experience

06-08 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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