Executive Assistant

Sierra · London · $90K – $110K · Operations

Posted 2026-09-14

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WHAT YOU'LL DO

- Proactively manage calendars, including coordinating sales and partnership meetings, discovery calls, legal contract negotiations, etc.

- Ensure the effectiveness of meetings by sending preparation and follow-up materials, such as sales agreements, legal documents, etc.

- Plan and execute internal events (in-person and virtual), including team offsites, trainings, and team travel weeks. Support external events, including happy hours, sporting events, leadership in market tours, and beyond.

- Establish new and improve existing administrative systems and processes while helping build the founding Sierra admin team.

WHAT YOU'LL BRING

- 5+ years of Executive Assistant or similar role.

- Ability to build relationships and partner effectively with cross-functional teams and external partners.

- Excellent time management skills, willingness and ability to quickly shift tasks and priorities, and anticipate the needs of others before they arise.

- Ability to organize, analyze, and prioritize workflows, often interpreting and leveraging data.

- Willingness and ability to be in the London office 4 days per week and ability to travel with leaders if needed (~est 1x per quarter).

- Advanced proficiency with Google Suite & Slack.

EVEN BETTER...

- Experience in a fast-growing, in-person start-up environment.

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