Jobs · Administrative · Virginia

Senior Administrative Assistance

MITRE · McLean, VA · Yesterday
Administrative$62k–$78k/yrFull-time

Department Summary

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).

Roles & Responsibilities

  • Work collaboratively across the organization in support of two Department Managers and more than 100 staff members.
  • 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.
  • Aid staff with travel arrangements, prepare itineraries, coordinate conference participation, and arrange required support services.
  • Aid staff with purchasing and tracking materials.
  • Aid staff with submitting purchase requests, reimbursement requests, and other related administrative actions.
  • Aid with training venue selection and coordination, track training licensing, staff training attendance and associated budgets.
  • Aid staff with vacation tracking and time reporting.
  • Aid 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.

Basic Qualifications

  • 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.

Preferred Qualifications

  • 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.

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