Executive Assistant
Archetype AI
San Mateo, CA · Posted October 23, 2026
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Where San Mateo, CA ranks
Where San Mateo, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for engineering pay after cost of living$216k · of 94
- #1Best cities for finance pay after cost of living$162k · of 35
- #1Best cities for HR pay after cost of living$158k · of 15
- #1Best cities for legal pay after cost of living$238k · of 20
- #1Best cities for security pay after cost of living$241k · of 10
- #1Best cities for media and entertainment pay after cost of living$209k · of 9
Pay compared with the market
This listing does not state pay. Across 299 open executive assistant listings that state pay, the middle half runs $76,500 to $116,500 and the median is $95,000.
Listed pay is what employers advertise, not what people are paid.
About the job
About Us
At Archetype AI, we’re building the world’s first physical AI platform to bring artificial intelligence into the real world. Our foundation model, Newton, understands the physical world through objective sensor data and generates real-time insights into complex physical behaviors, from industrial machinery and systems to wearable devices and smart environments.
Formed by a high-caliber team from Google and backed by one of Silicon Valley’s most renowned venture funds, Archetype AI is at Series A and rapidly advancing its technology for the next big leap. This is a unique opportunity to join an exciting, fast-growing AI team based in the heart of Silicon Valley.
About the Role
As we scale, our founders’ time, our San Mateo office, and the company’s day-to-day operations all need to run without friction. This role blends executive support, office management, and early operations work, keeping the CEO and COO focused, the office running smoothly, and the operational backbone of the company built to grow with us.
What You’ll Own
The CEO and COO are well scheduled, prepared for every meeting, and free to focus on the highest-leverage priorities.
Executive travel, expenses, and correspondence are handled end to end, accurately and with discretion.
The San Mateo office is stocked, organized, and welcoming, with vendors, deliveries, and guests managed smoothly.
New hires arrive to a ready workstation, working accounts, and a well-run first day.
Interviews, team events, and offsites run on schedule and land well with candidates and the team.
HR administration and cross-functional projects move to completion, with scalable processes replacing day-to-day friction.
Key Qualifications
4–7 years in executive support, office management, or operations, ideally at a fast-paced tech startup.
Track record managing complex, shifting calendars and prioritizing on behalf of busy executives.
Exceptional organization, attention to detail, and written and verbal communication.
Sound judgment and discretion with confidential financial, legal, and people information.
Comfort with Google Workspace and Slack, and quick to learn new systems.
Nice to Have
Experience as an early operations or administrative hire at a high-growth startup.
Experience supporting multiple executives or founders at once.
Exposure to finance, HR, or legal operations.
Track record planning successful team events and offsites.