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Executive Assistant, Office of the Co-Founders

Sierra· Operations
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San Francisco, CA$130k - $140kFull-timePosted 1mo ago

About the role

Executive Assistant supporting the Office of the Co-Founders at Sierra, providing strategic and administrative support, high-trust travel and event logistics, and close partnership with the executive support team.

Responsibilities

  • As an Executive Assistant supporting the Office of the Co-Founders at Sierra, you will provide a wide range of strategic and administrative support to our Co-Founders and their teams.
  • Play a pivotal, high-trust role in a dynamic, fast-paced environment. You’ll partner closely with the existing executive support team to execute complex logistics, travel, meetings, events, and special projects with precision and foresight.
  • Act as a second assistant to our Co-Founders, coordinating complex travel, running logistics for all onsite meetings, helping the team with projects (large trip planning, events, etc) and generally be ready and able to jump in when extra support is needed.
  • Anticipate needs, identify potential issues, and proactively develop solutions that keep priorities and commitments moving forward.
  • Serve as a trusted liaison to internal teams, vendors, and external partners, building strong relationships while safeguarding the priorities of the Office of the Co-Founders.
  • Plan and execute leadership travel, team off-sites, executive dinners, on-site meetings, and other internal or personal events as needed.
  • Take ownership of evolving requests and projects, remaining flexible and ready to provide additional support wherever it is most needed.
  • Handle sensitive information and materials with the utmost confidentiality, discretion, and sound judgment.

Qualifications

  • 3+ years of experience in executive support or a similar high-level administrative role.
  • Willingness and ability to work on-site in San Francisco up to five days per week, including consistent presence when the co-founders are on-site.
  • Exceptional attention to detail and an anticipatory, white-glove service mindset, with the ability to operate independently and deliver polished, seamless support with limited direction.
  • Exceptional organizational and time-management skills, with the ability to manage competing priorities accurately in a fast-paced environment.
  • Proven ability to partner effectively with senior executives, cross-functional teams, vendors, and external stakeholders.
  • Advanced proficiency with Google Workspace and Slack, along with the ability to learn new tools quickly.

Skills

Required:Executive supportTravel coordinationCalendar managementCommunication and liaison

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.

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Company profileWebsite

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