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Administrative Assistant and Human Resources Officer

Job in Reston, Fairfax County, Virginia, 20191, USA
Listing for: Cynet Systems
Full Time position
Listed on 2026-07-01
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Virtual Assistant/ Remote Admin
Job Description & How to Apply Below

Job Title

Requirement/Must Have:

  • Proven ability to handle sensitive and confidential information.
  • Strong attention to detail with a commitment to accuracy.
  • Advanced oral and written communication skills.
  • Strong organizational and time-management skills.
  • Ability to work independently and manage changing priorities.
  • Advanced proficiency in Microsoft 365 including Word, Excel, PowerPoint, Outlook, and Teams.
  • Ability to work collaboratively across all levels of the organization.

Experience:

  • Administrative or secretarial experience supporting senior leadership.
  • Experience coordinating domestic and international travel.
  • Experience preparing expense reports and managing executive calendars.
  • Experience handling correspondence, mail distribution, and visitor coordination.

Responsibilities:

  • Independently manage and maintain the executive calendar, resolving conflicts proactively.
  • Coordinate complex domestic and international travel and prepare detailed itineraries.
  • Screen incoming calls and direct inquiries appropriately.
  • Remain informed of executive priorities, commitments, and key issues.
  • Maintain long-term planning calendars and Outlook calendars.
  • Collaborate with leadership teams to execute high-priority tasks.
  • Complete assignments independently and ensure coverage during absences.
  • Collect, review, and distribute incoming electronic and hard-copy mail.
  • Arrange courier and media services as needed.
  • Modify travel plans and communicate updates to stakeholders.
  • Prepare and submit detailed expense reports.
  • Coordinate internal and external meetings, including facilities, technical support, conferencing, and catering.
  • Manage internal and external visitors, including security notifications and workspace coordination.
  • Track office supplies and place replenishment orders.
  • Oversee executive conference room scheduling and upkeep.
  • Provide administrative support to key direct reports, including travel arrangements and meeting coordination.

Should Have:

  • Strong interpersonal and customer service skills.
  • Ability to work flexibly in a fast-paced executive environment.
  • Advanced skills in meeting coordination and travel planning.

Skills:

  • Executive-level administrative support.
  • Calendar and travel management.
  • Expense reporting.
  • Communication and stakeholder coordination.
  • Organization and multitasking.
  • Attention to detail.

Qualification and

Education:

  • Associate degree or related technical training preferred.
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