MANTECH seeks a motivated, career, and customer-oriented Senior Office Manager/Staff Officer to join our team in Springfield, VA.

This role supports senior executive leadership and mission managers by driving operational efficiency, seamless administrative management, and strategic cross-enterprise coordination. As a Senior Office Manager/Staff Officer, you will leverage your expertise to enable executive decision-making, facilitate interagency engagement, and manage critical office workflows within a high-tempo environment.

Responsibilities include but are not limited to:

• Provide executive-level administrative support to office directors, deputy directors, and chiefs of staff to ensure smooth daily operations.
• Collaborate with mission integration teams to enable overall enterprise integration and business process optimization.
• Manage executive calendars, coordinate travel itineraries, and handle meeting logistics including VTC arrangements and facility scheduling.
• Enable executive leadership to participate in interagency, defense, intelligence community, and industry engagements through information collection, briefing preparation, and material synthesis.
• Facilitate executive tasking workflows using enterprise task management systems to ensure timely response and tracking.
• Coordinate executive travel requests and vouchers in accordance with government travel regulations and enterprise standards.
• Partner with business operations team members to oversee routine office administrative tasks and resolve workflow bottlenecks.

Minimum Qualifications:

• Bachelor’s degree in a related field with 11+ years of related experience, or 15+ years of related experience in lieu of a degree.
• Demonstrated experience and ability to integrate, prioritize, and satisfy tasks and requirements within short timelines in a dynamic environment.
• Expert knowledge of and technical proficiency using the Defense Travel System (DTS).

Preferred Qualifications:

• Proven experience communicating in a professional manner with senior executives, internal leadership, and external agency partners.
• Exceptional written and oral communication skills with strong attention to detail.
• Strong organizational skills to independently resolve scheduling conflicts, travel logistics, and administrative priorities.
• At least 24 months of demonstrated experience analyzing job-related problems and recommending solutions requiring coordination across multiple organizations.
• At least 24 months of demonstrated experience in planning and implementing complex programs or projects involving diverse objectives.
• Prior experience supporting senior executive management within the Intelligence Community or Department of Defense.

Clearance Requirements:

• Must possess an active TS/SCI security clearance with the ability to obtain/maintain a polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Constantly operates a computer and other office productivity machinery, such as a printer, scanner, and copy machine.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.