Provide strategic and administrative support to leadership at Sierra, a leading AI platform company based in San Francisco.
Posted by employer 3 days ago
First seen on Joblaze 2 hours ago
Last verified on the company career page 2 hours ago
What you'll build
- Manage leaders' calendar, travel, and meetings
- Draft team and external correspondence
- Plan and execute internal events
- Establish and improve administrative systems
- Liaise with internal staff and external stakeholders
Must have
- 5+ years of Executive Assistant or similar experience
- Ability to build relationships with cross-functional teams
- Excellent time management skills
- Ability to organize and prioritize executive workflows
- Advanced proficiency with Google Suite & Slack
Nice to have
- Experience in a fast-growing, in-person start-up environment
Practical constraints
- Willingness to be in the San Francisco office 4 days per week
- Ability to travel with leaders if needed (~est 1x per quarter)
Requirements
- Experience
- 5+ years
Not disclosed in this posting: compensation, visa sponsorship.
Benefits
Joblaze summary
In the role of Executive Assistant at Sierra, the individual will provide comprehensive support to the General Counsel and Partnerships leaders, managing calendars, travel, and meetings while ensuring effective communication and collaboration. Key skills include advanced proficiency in Google Suite and Slack, along with strong relationship-building capabilities across teams and external partners. This position is ideal for someone with over five years of experience in a similar role, particularly within a fast-paced startup environment. Sierra emphasizes a culture of trust and customer focus, making it a fitting place for those who thrive in dynamic settings.
Joblaze insights
- Listed today — first seen on Joblaze October 27, 2026. Last confirmed on Sierra's careers page October 27, 2026.
Quick facts
- Is the Executive Assistant, Legal & Partnerships role remote?
- No — this is an on-site role in San Francisco, CA, United States.
- How much experience is required?
- At least 5 years of relevant experience for this Executive Assistant, Legal & Partnerships role.
- Where is the role based?
- Sierra is hiring for this position in San Francisco, CA, United States.
- What seniority level is this role?
- Sierra targets mid-level candidates for this position.
- Is this full-time or contract?
- Full-time for this Executive Assistant, Legal & Partnerships role at Sierra.
From the original posting
What You'll Do:
As an Executive Assistant supporting the leadership function at Sierra, you will provide a wide range of strategic and administrative support to our General Counsel and our Partnerships leaders.
Proactively manage several leaders' calendar, travel, and meetings.
Collaborate with leaders and team members to ensure meetings are effective by sending preparation materials, following up on action items, and serving as a knowledgeable resource on relevant topics or organizational matters.
Draft team and external correspondence on behalf of the leader. Liaise with internal staff and external stakeholders, building and maintaining strong relationships on behalf of the leader.
Maintain a high level of confidentiality and discretion with all materials and information.
Plan and execute internal events (in-person and virtual), including team offsites, trainings, and team travel. Book travel and hotel accommodations, negotiating contracts as needed.
Establish new—and improve existing—administrative systems and processes as part of Sierra’s founding admin team.
What You'll Bring:
5+ years of Executive Assistant or similar experience.
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 executive workflows, often interpreting and leveraging data.
Willingness and ability to be in the San Francisco 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.
Our values
Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work.
Flexible (unlimited) paid time off
Life insurance and disability benefits
Retirement plan dependent on country of employment
Parental leave
Fertility and family building benefits through Carrot
Free alphorn lessons
Standard company text repeated across Sierra's postings is omitted here.