Sr. Administrative Assistant

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MITRE is seeking an experienced Sr. Administrative Assistant who will provide general administrative support to the Enterprise Program Management Office (EPMO) and Division of Health Advancement, both within MITRE’s Center for Transforming Health (CTH). This position will report to the Director of the EPMO and is based in McLean. This position is an excellent opportunity for an administrative professional to learn the Health FFRDC business, work closely with MITRE managers, Directors, and Officers, and build strong working relationships with the CTH administrative team.

The EPMO provides support to the operational divisions of CTH in the areas of contract governance, enterprise operations and reporting, communications and outreach, strategic planning, and development and training of leaders. The Division of Health Advancement leads a portion of CTH’s work with government sponsors.

• Provide direct administrative support to the Director and members of the EPMO and the Division for Health Advancement.
• Use business software applications (e.g., Teams, SharePoint, PowerPoint, Word, Excel, Workday, Salesforce, and others) to support the operations of the divisions and prepare and manage reports, presentations, etc.
• Proactively manage calendars for the division managers, which involves interacting with high level entities both internal and external to MITRE.
• Plan, coordinate, and support a variety of meetings, including division meetings, CTH Town Hall meetings, leadership team meetings, technical reviews, and small group meetings. Duties include preparing agendas, posting read‑ahead materials, arranging meeting venues, completing catering orders, arranging audio‑visual and facility requirements, providing set‑up assistance for Teams Meeting or VTCs, and organizing the content for these structured meetings for future use and historical purposes.
• Develop and maintain excellent working relationships with other administrators. Assess and improve administrative processes as needed. Maintain state‑of‑the‑art knowledge of MITRE’s administrative support systems, policies, and processes. This requires engagement in corporately supported productivity and collaboration capabilities.
• Coordinate non‑local travel arrangements and prepare related expense reports.
• Assist with and track compliance with internal and external training requirements.
• Serve as Timecard Coordinator for employees; includes bi‑weekly submissions and monitoring for daily timecard compliance.
• Order division office supplies and Center‑level software. Hold MITRE Corporate Purchasing Card and reconcile charges on a monthly basis.
• Serves as a point of coordination for division activities for visitors, new employees, expenses, coordination with physical plant team, technical support, signage, etc.

• Typically requires a minimum of 2 - 4 years of related experience with a High School Diploma or equivalent in education, or 2 years’ experience and an Associate’s degree, or equivalent combination of education and related work experience.
• Superb attention to…