Executive Assistant to CEO

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

Company

Rubicon Carbon is a next-generation carbon solutions provider. Led by a world-class management team, Rubicon is an innovative platform that channels capital to unlock at-scale decarbonization projects and delivers trusted, enterprise-grade solutions for carbon credit purchases. Rubicon strives to deliver greater scale, confidence, and innovation across all facets of the carbon market and meet the growing demand for end-to-end, high-integrity emissions reduction solutions.

Position Overview

The Executive Assistant serves as the primary point of contact for internal and external constituencies on all matters pertaining to the office of the CEO. The Executive Assistant also serves as a liaison to the board of directors and senior management teams; organizes and coordinates executive outreach and external relations efforts; and oversees special projects.

The Executive Assistant must be proactive, organized, and enjoy working within a small, very fast-paced, entrepreneurial environment that is mission-driven, results-driven, and community oriented. The ideal individual will have the ability to exercise good judgment in a variety of situations, with strong written and verbal communication, administrative, and organizational skills, and the ability to maintain a realistic balance among multiple priorities. The Executive Assistant will have the ability to work independently to manage projects, from conception to completion, and must be able to work under pressure at times to handle a wide variety of activities and confidential matters with discretion.

- This is a hybrid position, with up to 3 days per week required in-office -

Responsibilities

• Support CEO's prioritization, calling out urgent matters to help enable the team to effectively focus on the mission, goals, and priorities of the organization. Anticipate the needs of the executive team, plan ahead and be resourceful.
• Scheduling for CEO: Manage the CEO's calendar, prepare materials, and anticipate their needs. Quickly and efficiently schedule meetings with participants, both internal and external to Rubicon Carbon, exercising good judgment to balance competing priorities, and resolve conflicting needs with little to no guidance.
• Be the main contact for communications with individuals trying to access the CEO. Communicate effectively and keep all stakeholders informed, manage internal and external communications, and ensure transparency.
• Cultivate positive relationships with employees, partners, customers, and investors.
• Manage the setup and day to day functioning of the office spaces in SF, LA, and NYC
• Coordinate CEO travel booking, itineraries, expense management and invoicing
• Maintain confidentiality and protect operations by having a high level of discretion.
• Manage the planning and execution of organization events, such as All Hands meetings, company offsites, and quarterly leadership team meetings to support culture building across our team.
• Manage other projects and initiatives: Take ownership of key projects for all members of the leadership team, set goals, track progress, and ensure successful completion. Proactively anticipate challenges and develop solutions to keep them moving forward.
• Assist with building our team by managing interview scheduling as needed
• All other duties as assigned

Requirements & Skills

At least five years of experience as a Chief of Staff, Project Manager, or Executive Assistant to a C-Suite member in tech, banking/finance, and/or climate.

• Strong attention to detail and next-level organization skills: You can juggle multiple priorities, manage complex projects, and keep everyone on track. This includes, for example, heavy calendar scheduling for busy individuals across time zones, and expense reporting and tracking for multiple account/card holders.
• Strategic thinker: You can understand the big picture and anticipate future needs, proactively developing plans and processes to support them.
• Problem-solving pro: You can quickly absorb and filter information, and identify issues before they become problems. You are great at developing creative and effective solutions that keep things moving forward.
• Master communicator: You can clearly and concisely convey information to all levels of the organization, across all forms of communication (email, slack, text, phone, in-person)
• Team player: You're a joy to work with, have a positive attitude, and are always willing to help others succeed.
• Advanced knowledge of Microsoft Office, Google Suite, Slack, Zoom and Adobe Acrobat.
• Startup, climate tech, or renewables industry experience preferred, plus a passion around climate and sustainability
• Ability to be onsite at the Marina del Rey, San Francisco, or New York City office at least 3 days per week

Compensation

The approximate annual base compensation range for this position is $120,000 to $140,000. The actual offer, reflecting the total cash compensation package and excellent benefits, will be dete