Executive Assistant to CTO at Fast-growing AI Startup

Executive Assistant

Series A startup building developer infrastructure at the intersection of AI and enterprise software is looking for an Executive Assistant to support their Co-Founder/CTO. At about 40 people and growing fast, this is an exciting opportunity to step in as a true right-hand to a technical Founder who has never had dedicated EA support meaning you come in, build the systems, and shape how he operates. In this role, you'll own the CTO's calendar end-to-end, manage a high-volume recruiting coordination workflow, prepare for meetings, handle inbox management, book travel, and provide light personal support. Someone with prior experience supporting a senior leader at a startup or tech company who is high-agency, proactive, and can build structure without being handed a playbook. This is primarily an in-office role in downtown San Francisco. 100-140K+ DOE + generous benefits including for dependents, unlimited PTO, and all meals covered.

Responsibilities:

• Own the CTO's calendar end-to-end, proactively scheduling meetings, building in buffers, catching conflicts before they happen, and ensuring he is where he needs to be and on time.
• Manage a high-volume recruiting coordination workflow, scheduling candidate interviews, tracking candidate sourcing context, preparing background materials for each meeting, and ensuring a strong candidate experience throughout.
• Take full ownership of inbox management, triaging external communications, flagging what requires attention, and keeping things moving on his behalf.
• Book and coordinate travel logistics, including occasional domestic and international trips, with attention to detail and efficiency.
• Prepare briefing materials and meeting context so the CTO walks into every conversation informed and ready.
• Work closely with the Business Ops Associate, who manages AI and recruiting automations, to close coordination gaps that systems alone cannot cover.
• Provide light personal support, including appointments, reservations, and personal calendar items.

Qualifications:

• Prior experience as an Executive Assistant supporting a senior leader at a high-growth startup or tech company.
• High-agency and self-directed, with the ability to build systems, anticipate needs, and solve problems without waiting for direction.
• Excellent written and verbal communication skills, with the ability to produce clean documentation and crisp external correspondence.
• Genuinely curious about the business and energized by a fast-moving startup environment, with an interest in growing the scope of the role over time.
• Low-ego, dependable, and effective.
• Tech-savvy. Proficient in Google Workspace, Notion, and Slack. Comfortable with AI tools, including Claude or similar; familiarity with an AI-native work environment is a genuine plus.

*Please Note: Your application will be considered for all open positions. You do not need to apply for multiple roles.