Chantilly, VA – 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 motivated, career and customer-oriented Executive Assistant to join our team in the Chantilly, VA area. Responsibilities include…