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Executive Assistant

Sierra· Operations
Apply on company site
London$90k - $110kFull-timePosted 5mo ago

About the role

Executive Assistant in London supporting executive leadership, building and improving administrative systems, and coordinating calendars, events, and cross-functional collaboration.

Responsibilities

  • 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.

Qualifications

  • 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.

Skills

Required:Calendar managementRelationship buildingTime managementData interpretationGoogle SuiteSlack
Nice to have:Travel coordination

Benefits

  • Flexible (unlimited) paid time off
  • Medical, dental, and vision benefits for you and your family
  • Life insurance and disability benefits
  • Retirement plan dependent on country of employment
  • Parental leave
  • Fertility and family building benefits through Carrot
  • Lunch, as well as delicious snacks and coffee to keep you energized
  • Discretionary benefit stipend giving people the ability to spend where it matters most
  • Free alphorn lessons
Last updated Sep 16, 2026. Interested? Apply on the company site.
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About Sierra

Better customer experiences. Built on Sierra.

Sierra helps businesses build better, more human customer experiences with AI.

AICustomer ExperienceCustomer SupportVoiceai-agents-and-applicationsorchestrationvoice-ai-stackwing-list-2026
Company profileWebsite

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