Senior Administrative Assistant - TS/SCI Clearance w/CI Poly Required

Leffler Consulting, LLC
Chantilly, Loudoun County, VA

Senior Administrative Assistant – TS/SCI Clearance w/CI Poly Required

Location

Chantilly, VA

Job Description

Leffler Consulting is seeking an experienced and highly organized Senior Administrative Assistant to support an Intelligence Community customer in Chantilly, VA. This position will reside on-site with the government customer and support the daily office operation of respective offices and senior management personnel. Successful candidate must be able to adapt to changing deadlines, work well with others across all organization levels, and exercise good judgement and leadership when performing duties.

Duties
  • Author, edit, and coordinate final review of correspondence to ensure accuracy and completeness on behalf of senior management. Correspondence includes preparing instructions, spreadsheets, presentations, and reports using Microsoft applications (Word, Excel and PowerPoint).
  • Build briefing packages and present information
  • Analyze metrics and provide summary to senior management
  • Manage SharePoint websites
  • Coordinate travel arrangements and process travel vouchers for the program office
  • Conduct research utilizing databases and other resources
  • Administer databases and spreadsheets to include managing user accounts and accesses, creating reports, and performing updates
  • Assist in planning, scheduling, organizing, and execution of meetings, events, training, conferences, and off-sites
  • Support TIER actions, assign actions to appropriate divisions, coordinate responses for management review, provide status updates and participate in agency-wide TIER meetings
  • Recommend new processes to support the efficiency and effectiveness of the office
  • Prepare access rosters and request security clearance transfers
  • Coordinate visitor requests, parking, and catering requests
  • Greet and escort visitors
  • Maintain supply and equipment inventory and coordinate equipment repairs
  • Coordinate office renovations and relocation activities
  • Perform administrative back up support for other offices
  • Perform other duties as assigned to support corporate initiatives
Required Education
  • High School Diploma or GED equivalent
Required Experience
  • 7-10 years administrative support experience
  • IC/DoD experience preferred
  • Strong organizational skills and attention to detail
  • Excellent verbal and written communication skills, including proper use of English grammar
  • Proficiency with Microsoft Office applications (Word, Excel, and PowerPoint)
  • Ability to work independently and manage changing mission deadlines and requirements
  • Effective time management skills
  • Ability to remain discreet and maintain confidentiality
Desired Education
  • Refer to Required Education

Founded in 2001, Leffler Consulting is a women-owned small business (WOSB) headquartered in Chantilly, Virginia. We provide financial management and life-cycle budget and cost support to our nation’s most critical programs in the Intelligence Community (IC) and Department of Defense (DoD). Leffler Consulting specializes in all areas of financial management, audit readiness, and process improvement and controls while also providing a broad array of support functions critical to supporting the mission requirements of our customers. We offer competitive salaries and a generous benefits package, including medical, dental, vision, and disability coverage, paid leave, paid holidays, an employee assistance program, and an employee referral program.

Leffler Consulting, LLC is an Equal Opportunity Employer. All applicants are considered for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, or genetic information as protected by law.

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Posted 2025-08-06

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