Senior Administrative Assistance

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day-working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities for career growth, and a culture of innovation that embraces adaptability, collaboration, technical excellence, and people in partnership. If this sounds like the choice you want to make, then choose MITRE - and make a difference with us.



The L610 Infrastructure, Networking, and Communications division is seeking a Senior Administrative Assistant to provide support to two departments - L612 (Cloud and Infrastructure Engineering) and L614 (Intelligent Network Services). L610 focuses on solving complex infrastructure, networking, and communications challenges that are vital to the nation's well-being. This position will play an important role in enabling efficient day-to-day operations and support department leadership, staff, and business processes.



L610 is seeking an Administrative Assistant to serve in a dynamic and fast-paced role. This position provides administrative and operational support to the L612 and L614 departments, working closely with department leadership, staff, finance partners, and other MITRE operational teams. Key responsibilities include:

• Work collaboratively across the organization in support of two Department Managers and more than 100 staff members.
• Work closely with the two departments to support the day-to-day programmatic and operational needs of the departments.
• Provide a broad range of administrative support, including scheduling, calendar management, room reservation, arranging telephone and video teleconference connections.
• Plan, coordinate, and support a variety of events and department activities, including venue selection and catering arrangements.
• Assist staff with travel arrangements, prepare itineraries, coordinate conference participation, and arrange required support services.
• Assist staff with purchasing and tracking materials.
• Assist staff with submitting purchase requests, reimbursement requests, and other related administrative actions.
• Assist with training venue selection and coordination, track training licensing, staff training attendance and associated budgets.
• Assist staff with vacation tracking and time reporting.
• Assist with project demand tracking.
• Support hiring activities by scheduling interviews, reserving conference rooms, and preparing interview materials for panelists.
• Support onboarding activities for new staff.
• Develop, update, and maintain department-level collaboration and information-sharing sites, including SharePoint and Teams.
• Develop and maintain departmental files and documentation.
• Partner effectively with other administrative professionals to ensure coordinated and consistent support across the organization.
• Partner with Department Managers and the Finance team to assist with monitoring departmental budgets and financial activities.
• Quickly learn and apply new tools, technologies, and business processes.

• Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.
• Proficiency with Microsoft Office tools, including Outlook, OneNote, PowerPoint, Excel, SharePoint, OneDrive, and Teams.
• Proficiency with Zoom, Microsoft Teams, and video teleconferencing technologies.
• Demonstrated ability to work effectively with cross-functional teams and stakeholders.
• Experience supporting large organizations or significant numbers of staff.
• Must be able to obtain Secret Clearance
• Per the U.S. Government's eligibility requirements for a clearance, U.S Citizenship is required.
• This position requires a minimum of 4 days a week on-site

• High level of professionalism, poise, and initiative in working with a diverse group of staff and operational support organizations.
• Demonstrated strength in organization and time management, with an emphasis on initiative, independent judgment, accuracy, and follow-through across a broad range of administrative tasks.
• Strong interpersonal, written, and verbal communication skills, with the ability to work effectively with MITRE leadership and staff.
• Demonstrated ability to thrive in a collaborative, team-oriented environment.
• Strong sense of teamwork, dependability, and accountability.
• Ability to adapt quickly, manage competing demands, and maintain attention to detail in a dynamic setting.

Secret


None


$62,000 - $77,500 - $93,000 Annual


Onsite



All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local or international law.

MITRE intends to maintain a website that is fully accessible to all individuals. If you are unable to search or apply for jobs and would like to request a reasonable accommodation for any part of MITRE's employment process, please email recruitinghelp@mitre.org for general support and collegerecruiting@mitre.org for intern positions. This service is for individuals requiring reasonable accommodation requests. Please note that vendor solicitations will not receive a reply.

Benefits information may be found here .

Copyright © 1997-2026, The MITRE Corporation. All rights reserved. MITRE is a registered trademark of The MITRE Corporation. Material on this site may be copied and distributed with permission only.