Quick Summary
About Antithesis We are a well-funded deep tech company headquartered in Northern Virginia, with a satellite office in San Francisco and London, building a suite of autonomous software reliability and testing products. Our team is collaborative, highly technical, and customer focused.
Office Operations Maintain a tidy, welcoming office environment, including stocking snacks and drinks. Act as the main point of contact for vendors and building/facilities to ensure smooth daily operations.
We are a well-funded deep tech company headquartered in Northern Virginia, with a satellite office in San Francisco and London, 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 Role
~1 min readIn this on-site role, you will keep our San Francisco office running smoothly while gaining hands-on exposure to marketing activities. You’ll be the go-to person for day-to-day office needs and will also support our marketing efforts, especially around events, specifically, our meetups which we hold once a month in our office. As a growing startup with the San Francisco office being relatively new, there may be other tasks that may be assigned to you. If you like supporting and rolling up your sleeves to get things done, this may be a perfect fit for you.
Is organized, detail-oriented, and reliable
Enjoys coordinating people, spaces, and events
Is curious about marketing and wants to build real-world experience
Likes working in a collaborative, startup-like environment
You’ll work closely with Operations and Marketing, giving you visibility into how both functions support a growing tech company.
Responsibilities
~1 min readMaintain a tidy, welcoming office environment, including stocking snacks and drinks.
Act as the main point of contact for vendors and building/facilities to ensure smooth daily operations.
Coordinate meetings and travel arrangements for team members and interview candidates when needed.
Help manage conference/Zoom room setups for meetings and interviews.
Support basic onboarding logistics for new employees (desk setup, welcome materials, office introductions, etc.).
This role is a great entry point if you’re excited to get hands-on experience at the intersection of marketing and operations. You’ll jump in wherever needed to help bring our office events and brand to life, while building the foundation to grow into a more specialized role over time.
Help plan and support monthly marketing and community events hosted in our office (meetups, small workshops, etc.).
Assist with event logistics: invitations, RSVPs, name tags, materials, and day-of coordination.
Capture light content from events (photos, notes, quotes) for potential use in blogs, social posts, or internal recaps.
Partner with marketing on brand presence in the office (signage, swag organization, event boards).
Support simple marketing operations tasks such as organizing contact lists, tracking event attendance, and preparing basic follow-up materials.
Experience helping run events (on campus, clubs, internships, etc.).
Coursework or projects related to marketing, communications, or business.
What We Offer
~1 min read$25 - $30/hr
The base salary range is specific to the United States. The salary of the final candidate selected for this role will be set based Marketing Exposure & Support (with Growth Path) on a variety of factors, including but not limited to internal equity, experience, education, work location, specialty and training. If the final candidate has a different level of experience, the base salary target range may be lower or higher than what is published.
Location & Eligibility
Listing Details
- Posted
- March 20, 2026
- First seen
- May 6, 2026
- Last seen
- May 8, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 14%
- Scored at
- May 6, 2026
Signal breakdown
Please let antithesis know you found this job on Jobera.
4 other jobs at antithesis
View all →Explore open roles at antithesis.
Similar Office Assistant jobs
View all →Browse Similar Jobs
Stay ahead of the market
Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.
No spam. Unsubscribe at any time.