We are looking for an experienced Administrative Assistant to join our team on a long-term contract basis in Reston, Virginia. In this role, you will provide vital support to senior leadership, including the Head of HR and VP of Engineering, ensuring the smooth operation of daily administrative tasks. This part-time position requires a commitment of 25 hours per week, offering flexibility while maintaining high standards of attention to detail. Please only candidates looking for part time working 25 hours a week- 5 hours a day during core business hours to apply. Need to have 3+ years of administrative experience, prior experience supporting executives as well. Responsibilities:• Manage and coordinate calendars for senior executives, ensuring schedules are organized and conflicts are minimized.• Arrange travel plans and accommodations, including booking flights, hotels, and transportation.• Prepare and process expense reports with accuracy and attention to detail.• Oversee vendor relationships and ensure timely communication and follow-up.• Organize and execute events, including logistics planning and coordination.• Handle inbound calls, emails, and other communications, providing prompt and detail-oriented responses.• Utilize Office Suite to create documents, spreadsheets, presentations, and manage email correspondence.• Maintain a systematic approach to data entry and administrative record-keeping.• Ensure effective follow-up on tasks and communication to support team objectives.• Deliver excellent customer service and maintain confidentiality in all interactions.

• Minimum of 3 years of experience in administrative roles, preferably supporting C-level executives. • Proficiency in Microsoft Office Suite, including Word, Excel, Outlook, and PowerPoint. • Strong organizational skills with high attention to detail. • Excellent verbal and written communication abilities. • Proven ability to coordinate travel arrangements and manage calendars efficiently. • Experience processing expense reports and overseeing vendor management. • Reliable computer and high-speed internet access for remote work. • Ability to manage multiple priorities while maintaining a detail-oriented approach.

<h3 class="rh-display-3--rich-text">TalentMatch®</h3> Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.

Herndon, VA
remote
Temporary / Contract
20 - 22 USD / Hourly
We are looking for an experienced Administrative Assistant to join our team on a long-term contract basis in Reston, Virginia. In this role, you will provide vital support to senior leadership, including the Head of HR and VP of Engineering, ensuring the smooth operation of daily administrative tasks. This part-time position requires a commitment of 25 hours per week, offering flexibility while maintaining high standards of attention to detail. Please only candidates looking for part time working 25 hours a week- 5 hours a day during core business hours to apply. Need to have 3+ years of administrative experience, prior experience supporting executives as well. Responsibilities:• Manage and coordinate calendars for senior executives, ensuring schedules are organized and conflicts are minimized.• Arrange travel plans and accommodations, including booking flights, hotels, and transportation.• Prepare and process expense reports with accuracy and attention to detail.• Oversee vendor relationships and ensure timely communication and follow-up.• Organize and execute events, including logistics planning and coordination.• Handle inbound calls, emails, and other communications, providing prompt and detail-oriented responses.• Utilize Office Suite to create documents, spreadsheets, presentations, and manage email correspondence.• Maintain a systematic approach to data entry and administrative record-keeping.• Ensure effective follow-up on tasks and communication to support team objectives.• Deliver excellent customer service and maintain confidentiality in all interactions.
2026-04-22T00:00:00Z