Executive Assistant to CEO & Co-Founder — Strategic Partner

Polymer; Mountain View (CA); On-site; USD 90,000 - 150,000; Full time

Benefits offered by this job

Competitive base salary

Great benefits

Office perks

Job summary

Rune is seeking an Executive Assistant to the CEO and Co-Founder to manage calendars, travel, and communications. You will become a trusted partner, handling confidential matters with discretion and helping the founders focus on strategic priorities in Mountain View, CA.

You will coordinate with investors, partners, and customers, draft responses, and plan complex itineraries. This role requires in-person work five days a week with adaptability to urgent requests.

Qualifications

• Experience supporting a CEO in a startup or high-growth company.
• Strong judgment, discretion, and professional writing.
• Ability to handle shifting priorities and take initiative.
• Proficiency with Google Workspace and Slack; familiar with expense and travel tools.
• Interest in energy, compute, and infrastructure; no technical background required.
• Ability to work in person in Mountain View five days a week; occasional time-sensitive requests.

Responsibilities

• Own the founders’ calendars: protect focus time, resolve conflicts, and keep priorities visible.
• Prepare meetings with agendas, background notes, and follow-up on action items.
• Serve as first point of contact for investors, partners, candidates, and customers; draft replies and route attention.
• Plan travel end-to-end: itineraries, bookings, and backup plans.
• Reconcile expenses and receipts in line with company policy.
• Help organize team gatherings, off-sites, and office visitors.
• Take on special projects and shape how the founders’ office runs as the company grows.
• Handle confidential financial, legal, and people matters with discretion.

Skills

Executive support

Discretion

Professional writing

Google Workspace

Slack

Learning new tools

In-person collaboration

Curiosity about energy/compute/infrast

Tools

Google Workspace

Slack

Expense & travel tools

Job description

Rune is seeking an Executive Assistant to the CEO and Co-Founder to manage calendars, travel, and communications. You will become a trusted partner, handling confidential matters with discretion and helping the founders focus on strategic priorities in Mountain View, CA.

You will coordinate with investors, partners, and customers, draft responses, and plan complex itineraries. This role requires in-person work five days a week with adaptability to urgent requests.