Demo

Administrative Service Assistant

Dexis
Washington, DC Full Time
POSTED ON 10/2/2026
AVAILABLE BEFORE 11/15/2026
Dexis is a dynamic professional services firm dedicated to partnering with government and community leaders both in the U.S. and internationally to achieve critical social outcomes in a rapidly changing world.

At Dexis, you will experience a corporate culture of inclusiveness, respect, fairness, and trust. You will be given the means and mentorship needed to succeed, and your creativity will be rewarded.

About The Position

Dexis is seeking Administrative Support Specialists to provide executive-level administrative support to the U.S. International Development Finance Corporation (DFC). These positions will support senior leadership through calendar management, communications, meeting coordination, records management, and general office administration.

This position is contingent upon contract award.

Responsibilities

  • Manage executive calendars and coordinate meetings and appointments.
  • Prepare agendas, briefing materials, meeting packets, and follow-up documentation.
  • Draft and format correspondence, reports, memoranda, and presentations.
  • Screen and route incoming communications and inquiries.
  • Maintain electronic and paper filing systems.
  • Track action items, correspondence, and administrative activities.
  • Coordinate meeting logistics, conferences, and events.
  • Support records management and document control processes.
  • Monitor shared inboxes and administrative service queues.
  • Provide professional customer service to internal and external stakeholders.

Qualifications

  • High school diploma or equivalent.
  • Minimum four (4) years of progressively responsible administrative, executive support, secretarial, office management, or related experience.
  • Minimum two (2) years supporting senior executives, leadership teams, or front-office operations.
  • Proficiency in Microsoft Outlook, Word, Excel, PowerPoint, Teams, Adobe Acrobat, and electronic file-sharing platforms.
  • Excellent written and verbal communication skillsStrong organizational skills and ability to manage competing priorities.
  • U.S. citizenship.
  • Ability to obtain and maintain a Public Trust clearance.

Preferred Qualifications

  • Associate's or bachelor's degree.
  • Experience supporting federal agencies or senior government executives.
  • Experience in executive, C-suite, or high-visibility office environments.

Dexis is on a mission to help solve today’s most pressing global political, social, and economic challenges and create a world where all people are safe and prosperous. As a Dexis employee, you will be challenged, empowered, and mentored. Our motto is “find a way or make a way” — that’s how Dexis goes “all in.” How will you?

If you are passionate about this opportunity, apply now!

Only those applicants who meet the above criteria will be contacted for interview.

Dexis is an Equal Opportunity Employer, and does not discriminate on the basis of race, color, sex, national origin, religion, pregnancy, disability, age, genetic information, military service, veteran status, ethnicity, citizenship, sexual orientation, gender identity, marital status, childbirth and related medical conditions, including lactation, or any other protected class under applicable law.

As part of a competitive benefits package for eligible employees, Dexis provides healthcare insurance in addition to other staff welfare benefits and perks.

Salary.com Estimation for Administrative Service Assistant in Washington, DC
$53,897 to $66,619
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