Executive Assistant & Office Manager for CEO (Startup, SF)

Alljoined; San Francisco (CA); On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

Competitive equity

Housing support options

Visa sponsorship

Health insurance

Job summary

Alljoined, a frontier AI and neuroscience startup, seeks an Executive Assistant & Office Manager to support the CEO and keep operations running smoothly in San Francisco. You will own calendar and inbox workflows, coordinate meetings and travel, prepare briefings, and protect focus time.

You will also manage office logistics, onboarding/offboarding, recruiting coordination, and the upcoming office move, collaborating with the operations lead and broader team to build lightweight, effective

Qualifications

• 1–3+ years of executive assistance, office management, operations, hospitality, or startup support.
• High ownership with proactive problem-solving.

Responsibilities

• Manage CEO calendar and inbox.
• Coordinate meetings and travel.
• Prepare briefings and follow-ups.
• Oversee day-to-day office logistics.
• Plan team events, onboarding/offboarding, and recruiting coordination.
• Support upcoming office move and cross-team collaboration.
• Partner with operations lead to reduce friction and improve systems.

Skills

Executive support

Calendar management

Inbox management

Operations

Recruiting coordination

Startup experience

Attention to detail

Written communication

Problem solving

Tools

Google Workspace

Slack

Ashby

Notion

Linear

Job description

Alljoined, a frontier AI and neuroscience startup, seeks an Executive Assistant & Office Manager to support the CEO and keep operations running smoothly in San Francisco. You will own calendar and inbox workflows, coordinate meetings and travel, prepare briefings, and protect focus time.

You will also manage office logistics, onboarding/offboarding, recruiting coordination, and the upcoming office move, collaborating with the operations lead and broader team to build lightweight, effective