Elevate your career with ManTech International Corporation! Join a diverse, dynamic team dedicated to national security through cutting-edge technology. Since 1968, ManTech has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now-be extraordinary at ManTech! ManTech is currently seeking a Facilities and Janitorial Clerk that will support our offices in Stafford, VA. As the Clerk, you will play a key role in a wide range of duties and most importantly present the first impression of the organization to not only internal employees but also to external visitors, Executives, and customer representatives.