Administrative Operations Manager

MANTECH seeks a motivated, career and customer-oriented ADMINISTRATIVE OPERATIONS MANAGER to join our team in STAFFORD, VA.  

Responsibilities include but are not limited to:

• Manage and review Defense Travel System (DTS) operations, including travel authorizations, vouchers, funding verification, and traveler assistance for the Division
• Coordinate new employee onboarding, workspace and seating assignments, and System Authorization Access Requests (SAARs) to establish, modify, or terminate user system access
• Prepare, format, and conduct quality assurance reviews on official correspondence, nomination and endorsement letters, briefings, and standard operating procedures (SOPs) in accordance with Department of Defense and Marine Corps standards
• Track suspense dates, manage ETMS2 taskers, and coordinate SITREP inputs to support senior leadership visibility and ensure timely completion of administrative deliverables
• Create, update, and maintain organizational charts, personnel records, phone rosters, administrative trackers, and organizational databases for the Director, Deputy Director, and subordinate divisions
• Support contract administration and resource accountability by coordinating with contracting officer representatives (CORs), monitoring contract deliverables and periods of performance, and executing authorized purchases through ServMart and approved supply sources

Minimum Qualifications:

• Bachelor's degree with at least 7 years of progressively responsible experience providing integrated operational, administrative, and staff action support to senior military leadership.
• Significant experience managing and reviewing travel authorizations, vouchers, funding verification, and documentation utilizing the Defense Travel System (DTS), Joint Travel Regulations (JTR), and DoD Foreign Clearance Guide
• Proven ability to manage executive taskers, official correspondence routing, and suspense tracking utilizing systems such as ETMS2 in accordance with Department of Defense and Marine Corps correspondence standards
• Demonstrated experience developing standard operating procedures (SOPs), checklists, templates, organizational charts, and continuity records to enhance organizational effectiveness

Preferred Qualifications:

• Direct experience supporting U.S. Marine Corps command groups, warfighting laboratories, or Science & Technology (S&T) divisions
• Proven record managing multimillion-dollar travel or purchase card budgets and executing authorized supply purchases
• Advanced proficiency with Microsoft Office Suite (Excel, Word, PowerPoint, Outlook, Access, Project), SharePoint, and Adobe Acrobat to support executive reporting and document management
• Self-starter with strong interpersonal skills—able to coordinate across action officers, reviewers, and senior leadership to drive administrative actions to completion.

Clearance Requirements:

• Must have a current and active TS/SCI security clearance.

Physical Requirements: 

• Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds.
• Must be able to remain in a stationary position 50% of the time. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations