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Office Manager

San Francisco, CA

Posted: 02/19/2026 Industry: Operations Job Number: 3544678 Pay Rate: 90000/year - 140000/year

Job Description


Office Manager & Executive Assistant

Location: San Francisco, CA (On-Site)

Full-Time | $90,000–$140,000 + Equity

About the Opportunity

We’re an early-stage, venture-backed technology company building an AI-native platform that reimagines how modern product teams design and ship software. Founded in 2024, we’ve raised significant early funding and are preparing for rapid growth following strong pilot customer traction.

Our team is expanding quickly, and we’re looking for a highly capable Office Manager & Executive Assistant to serve as the operational anchor of our San Francisco headquarters. This is a high-trust, high-ownership role working directly with founders and senior leadership in a fast-paced startup environment.

If you thrive in environments where you can take initiative, build systems from scratch, and operate with autonomy, this role offers meaningful responsibility and equity upside.

The Role

This is a hands-on, in-office position focused on two core areas:
  1. End-to-end ownership of the San Francisco office experience
  2. Executive support to senior leadership

You will ensure the office runs seamlessly while serving as a trusted administrative partner to leadership.

What You’ll Do

Office Operations
  • Own day-to-day operations of the San Francisco headquarters
  • Manage relationships with office vendors (internet, utilities, security, maintenance, supplies)
  • Maintain a fully stocked and organized workspace (kitchen, snacks, supplies)
  • Ensure the office is consistently polished and guest-ready
  • Welcome and host customers, investors, executives, and visitors
  • Oversee office access, security coordination, and visitor management
  • Support onboarding for local team members (workspace setup, equipment coordination, access provisioning)
  • Identify and implement operational improvements across the office

Executive Support

Provide direct support to senior leadership, including:
  • Calendar management and complex scheduling
  • Meeting coordination and preparation
  • Travel planning and logistics
  • Proactive follow-ups and task tracking
  • Light administrative coordination (vendor documentation, internal communications)

What We’re Looking For
  • 2+ years of experience in office management, executive support, operations, hospitality, or administrative roles
  • Experience in fast-paced, high-performance environments (e.g., startups, venture capital, private equity, consulting, hospitality, high-volume events)
  • Strong organizational skills with exceptional follow-through
  • High discretion and sound judgment when handling sensitive information
  • Confident and polished when interacting with senior stakeholders
  • Ability to build and refine operational processes independently
  • Proficiency with modern workplace tools (Google Workspace, Slack, Notion or similar platforms)
  • Excellent written and verbal communication skills
  • Undergraduate degree preferred

What Makes This Role Unique
  • Direct partnership with founders and leadership
  • High autonomy and ownership over office experience and internal operations
  • Opportunity to build systems from a blank slate
  • Meaningful equity in a well-funded early-stage company
  • Tangible impact on team effectiveness and leadership leverage

Work Environment
  • Full-time, on-site role based in San Francisco
  • In-office five days per week (hybrid flexibility occasionally available)
  • Visa sponsorship not available

This role is ideal for someone with strong initiative, emotional intelligence, and a hospitality mindset who wants to play a foundational role inside a rapidly scaling AI startup.

Who is Rainier Recruiting? 

Rainier Recruiting is a boutique, award winning national staffing agency and executive search firm. Using an approach that “treats every candidate like an executive search”, we offer positions in contract-to-hire, Full-Time, and executive search. Named the #1 Best Workplace in Washington State in 2022, recognized as a ClearlyRated Best of Staffing firm, and identified as a top recruitment firm by multiple business journals, Rainier Recruiting is fast becoming a respected company. We are no longer the “best recruiters you have never heard of”. Rainier Recruiting is also proud to share our clients have a 93% repeat business rate. Rainier Recruiting is an equal opportunity employer and service provider and does not discriminate on the basis of race, religion, gender, gender identity, national origin, citizenship status, sexual orientation, disability, political affiliation or belief, or any other protected class. We are committed to the principles of Equal Opportunity Employment and are dedicated to making employment decisions based on merit and value, for ourselves, our client companies, and for the candidates we represent. We engage in socially conscious business practices and believe that diverse, equitable, inclusive, and non-biased talent and recruitment processes are foundational to the success of every organization that we partner with. 

Meet Your Recruiter

Joely Downing
Senior Recruiter

Joely spent most of her career in the hotel business and started recruiting in the Hospitality field before coming to Rainier Recruiting.  Outside of work, Joely enjoys time with family and friends and traveling. Confident she can find the best candidates from anywhere, she is hoping to move her desk permanently to Mexico sooner than later.    

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About San Francisco, CA

Ready to take your career to new heights? Explore job opportunities around the bustling city of San Francisco, California. Known for its vibrant tech scene, picturesque views of the Golden Gate Bridge, diverse culinary offerings like the famous clam chowder in sourdough bread bowls at Fisherman's Wharf, and the artistic vibe of the iconic street art at Clarion Alley. Work-life balance flourishes with easy access to outdoor adventures like hiking in Muir Woods, catching a Giants game at Oracle Park, or browsing through the exhibits at the San Francisco Museum of Modern Art. Join us in San Francisco and discover the endless possibilities this innovative and charming city has to offer.