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SENIOR EXECUTIVE ASSISTANT AND PROGRAM SUPPORT SPECIALIST - 1133909171849

Arlington, Virginia

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance.   


Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Executive Administrative Assistant, supporting senior program leaders overseeing a critical Department of Defense (DoD) program. This role is integral to the program’s standup and experimental phases, offering comprehensive administrative and programmatic support in a dynamic, high-tempo environment.

Responsibilities

  • Organize and coordinate meetings, appointments, and travel arrangements, ensuring clear communication with internal and external stakeholders.
  • Manage complex calendars, proactively resolving scheduling conflicts, and maintaining a forward-looking strategic trip calendar (2–3 months).
  • Develop and execute detailed travel itineraries, including flights, lodging, ground transportation, and compliance with relevant policies (OSD policies and Joint Travel Regulations).
  • Utilize the Defense Travel System (DTS) to create authorizations, vouchers, and plan mission logistics.
  • Serve as the primary Point of Contact (POC) for external stakeholders regarding trip planning communications and logistics.
  • Collaborate with external site contacts to organize trip agendas, logistics, and produce executive-level trip books.
  • Coordinate engagement reviews with Legal and Public Affairs teams as necessary.
  • Facilitate visitor access reports for security purposes during site visits.
  • Brief program staff on travel details and leverage past travel insights to optimize future planning.
  • Draft, edit, and distribute official correspondence adhering to Air Force style guides and regulations.
  • Prepare meeting agendas, record minutes, manage distribution lists, and oversee logistical arrangements, including conference rooms and audiovisual setup.
  • Maintain organized records (electronic and physical) in compliance with governing policies.
  • Provide professionalism and discretion when screening phone calls and managing inquiries, ensuring smooth communication across all levels of the organization and external contacts.
  • Track and prioritize assignments and deadlines using productivity tools, delivering regular updates to leadership.
  • Support personnel onboarding/offboarding processes, administrative documentation management, and compliance activities.
  • Generate reports, conduct data analysis, and maintain database entries.
  • Coordinate official events, ceremonies, and conferences as directed by leadership.
  • Perform additional program support duties as needed to fulfill mission goals.


Qualifications


Required Qualifications
  • 15+ years of professional experience providing executive-level administrative support.
  • Proficiency in Microsoft 365 tools such as Word, Excel, Outlook, Teams, and others.
  • Proven skills in organizational excellence, teamwork, leadership, and customer service.


Preferred Qualifications
  • 20+ years of recent experience (within the last 10 years).
  • 3+ years of administrative experience in a military setting.
  • 3+ years of administrative experience in classified environments requiring Top Secret clearance or higher.


Education
  • A Bachelor’s degree is required.


Required Security Clearance
  • TS/SCI/SAP clearance required.
  • Employment is contingent upon successfully acquiring and retaining necessary security clearances.
  • U.S. citizenship is mandatory for this position.


Travel Expectations
  • Minimal travel expected; however, occasional trips may be required based on mission demands.
  • Work will primarily be conducted on-site, with some hybrid flexibility depending on program needs.

This role provides an exceptional opportunity to contribute to pivotal DoD initiatives within a challenging and fast-paced environment. Join MTSI to leverage your executive administrative expertise and make a lasting impact on national defense advancements. Apply today and be part of a team creating cutting-edge solutions for the future!
 
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