Executive Assistant to CEO - Hybrid, Climate Tech

rubiconcarbon; New York, Los Angeles (NY, CA); Hybrid; USD 120,000 - 140,000; Full time

Job summary

Rubicon Carbon is seeking an Executive Assistant to be the primary contact for the CEO and a liaison to the board. The role includes managing calendars, communications, travel, and confidential projects in a fast‑paced, mission‑driven environment.

This hybrid position requires strong judgment, superb written and verbal communication, and the ability to work independently across multiple offices in Marina del Rey, San Francisco, and New York.

Qualifications

• 5+ years experience as Chief of Staff, Project Manager, or Executive Assistant to a C‑Suite member in tech/climate sectors.
• Strong attention to detail and organizational skills across multiple time zones.
• Excellent written and verbal communication; maintains confidentiality with discretion.
• Proficient with Microsoft Office, Google Suite, Slack, Zoom, and Adobe Acrobat.

Responsibilities

• Support CEO prioritization and communicate urgent matters to enable team focus.
• Manage CEO calendar, prepare materials, schedule meetings with internal/external participants.
• Serve as main contact for communications with external access to the CEO; maintain transparency.
• Cultivate relationships with employees, partners, customers, and investors.
• Oversee setup and day-to-day running of office spaces in SF, LA, and NYC.
• Coordinate CEO travel bookings, itineraries, and expense management.

Skills

Calendar management

Communication

Prioritization

Independent worker

Board liaison

Tools

Microsoft Office

Google Suite

Slack

Zoom

Adobe Acrobat

Job description

Rubicon Carbon is seeking an Executive Assistant to be the primary contact for the CEO and a liaison to the board. The role includes managing calendars, communications, travel, and confidential projects in a fast‑paced, mission‑driven environment.

This hybrid position requires strong judgment, superb written and verbal communication, and the ability to work independently across multiple offices in Marina del Rey, San Francisco, and New York.