Office Assistant

antithesisยท Ops
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๐Ÿ“ Vienna, VA, USAFullTime

About this role

About Antithesis

We are a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products. Our team is collaborative, highly technical, and customer-focused. We prioritize the long-term in our structure, our products, and our relationships. As we scale, we are looking for an organized and proactive Office / Administrative Assistant to help keep our operations running smoothly.


About the Office Assistant position

We are seeking a highly organized and detail-oriented Office Assistant to support our team with daily administrative and operational tasks. The ideal candidate will be a problem-solver with excellent communication skills and the ability to manage multiple tasks effectively. As an Office Assistant, you will play a vital role in maintaining a clean, safe, and well-organized office environment that fosters productivity and comfort for all employees. Your responsibilities will include helping manage office supplies to ensure essential items are always available, restocking office snacks, and assisting with the planning of company events, to name a few. Through your attention to detail and proactive approach, you will help create a welcoming, efficient, and enjoyable workplace culture.


Key Responsibilities

  • Ensure the office environment is clean, safe, and conducive to productivity.

  • Manage office operations, including ordering kitchen and office supplies.

  • Be a liaison for building-related issues and oversee maintenance and repair requests for office infrastructure.

  • Assist in event planning for company meetings, team outings, and celebrations.

  • Help maintain and organize office facilities, supplies, and equipment.

  • Handle deliveries, shipping swags, etc.

  • Assist with scheduling, calendar management, and coordinating meetings when requested.

Key Skills and Experience

  • Previous experience in an administrative or office support role preferred.

  • Strong organizational and multitasking abilities.

  • Excellent written and verbal communication.

  • Proficiency in Google Suite and other relevant software.

  • Ability to work independently and adapt to a fast-paced, evolving environment.

  • Strong attention to detail and problem-solving skills.

  • Positive attitude and ability to work collaboratively with a team.

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Note: this role will require that you drive to run some errands

Frequently Asked Questions

Is the salary disclosed for the Office Assistant position at antithesis?
The salary for this Office Assistant role at antithesis is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Office Assistant position at antithesis located?
This Office Assistant role at antithesis is based in Vienna, VA, USA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Office Assistant role at antithesis full-time or part-time?
This is listed as a FullTime position. It is posted as a Office Assistant role in the Ops department at antithesis.
Which team or department does the Office Assistant at antithesis belong to?
This Office Assistant position is part of the Ops department at antithesis. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Office Assistant position at antithesis?
Click the "Apply Now" button on this page. You will be redirected to antithesis's official application portal hosted on ashby where you can submit your application directly.
When was the Office Assistant job at antithesis posted?
This Office Assistant position at antithesis was posted on Jun 5, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Office Assistant
antithesis
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You'll be redirected to antithesis's official application page on Ashby ATS.