Senior Administrative Assistant – Defense ; TS​/SCI

Job Overview

Senior Administrative Support III professional to provide expert‑level administrative services at the Pentagon in Washington, D.C. This role will support senior executives and their directorates in a fast‑paced, highly sensitive environment, ensuring efficient day‑to‑day operations while maintaining the highest standards of confidentiality and professionalism
.

The ideal candidate will have extensive experience supporting Department of Defense (DoD) senior management
, with a strong understanding of defense protocols
, including travel management, technical writing, and security procedures
.

• Washington, D.C. resident preferred.
• Minimum seven years of demonstrated experience supporting DoD senior management
  .
• Expertise in managing executive calendars, handling phone correspondence, and preparing briefings
  .

• Executive Administrative Support
  :
  Serve as the primary administrative point of contact for multiple senior executives and their directorates.
• Calendar Management
  :
  Maintain and coordinate daily schedules
  , ensuring all operations are timely and professional
  .
• Meeting Coordination
  :
  Arrange and oversee meetings, conferences, and video‑teleconferencing
  , including minute‑taking and attendee contact roster management
  .
• Correspondence & Document Management
  :
  Draft, review, edit, and manage formal letters, memoranda, reports, and briefing materials
  .
• Technical Writing & Proofreading
  :
  Conduct document formatting, proofreading, and compliance checks
  , ensuring DoD‑style accuracy and error‑free submissions
  .
• Expense Tracking
  :
  Monitor and track directorate expenses
  , ensuring timely processing and action completion.
• Information Management
  :
  Maintain and update key informational binders related to staff priorities and quarterly requirements
  .
• Representation & Task Tracking
  :
  Represent the Director at meetings
  , track assigned tasks, and update leadership with the latest DDI(CL&S) guidance and requirements
  .
• Task Delegation
  :
  Act as the administrative interface for the DDI(CL&S) staff
  , assigning tasks to appropriate divisions
  .
• Travel Coordination
  : Plan, book, and oversee
  executive travel arrangements
  , including itinerary development, passport/visa processing, reservations, and travel voucher preparation
  .
• Security & Confidentiality
  :
  Provide administrative support within a Sensitive Compartmented Information Facility (SCIF), strictly maintaining classified security protocols
  .
• Human Capital Advisory
  :
  Assist with military and civilian personnel management
  , including awards, evaluations, and Joint Duty Assignments
  .
• Onboarding & Training
  :
  Facilitate staff onboarding
  , ensuring compliance with security protocols and initial training procedures
  .
• Budget & Contract Support
  :
  Provide budgetary and contract‑related administrative support as needed.
• Security Management
  :
  Assist in SCI, SAP, and ACCM security compliance and documentation for sensitive operations.

• Security Clearance
  :
  Active Top‑Secret clearance with SCI
  .
• Administrative Experience
  :
  Minimum seven years of demonstrated DoD administrative experience
  .
• Senior Management Support
  :
  Minimum five years supporting DoD senior executives
  , including calendar management, phone correspondence, and briefing preparation
  .
• Administrative Program Management
  :
  Minimum five years of experience managing multiple administrative programs and evaluating project objectives
  .
• Document Preparation & Editing
  :
  At least five years of experience drafting and editing executive correspondence, briefing slides, and memoranda
  .
• Action Officer Experience
  :
  Minimum five years tracking expenses, staffing packages, and coordinating executive actions
  .
• Executive Travel Support
  :
  Minimum four years coordinating senior executive domestic and foreign travel
  .
• Technical Writing Proficiency
  :
  Proven ability to draft and edit complex documentation clearly and concisely
  .
• Sensitive Activities Administration
  :
  Experience providing administrative support for Sensitive Activities Programs (SAP) and Alternative Compensatory Control Measures (ACCM).
• Software Proficiency
  : Expert‑level Microsoft Office Suite skills (Excel, Access, Outlook, PowerPoint, Word).