Horizon3.ai

Office Manager

Horizon3.ai

full-time

Posted on:

Origin:  • 🇺🇸 United States • California

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Job Level

JuniorMid-Level

Tech Stack

Ruby

About the role

  • Oversee day-to-day office operations, including supplies, vendors, mail, and facilities management.
  • Act as primary liaison with building management, contractors, and service providers.
  • Plan, coordinate, and manage company events such as networking mixers, holiday parties, all-hands celebrations, and milestone events.
  • Organize and execute team offsites and onsite gatherings, ensuring smooth logistics (venues, travel, catering, activities, and budgets).
  • Collaborate with leadership and teams to design events that strengthen culture, collaboration, and connection.
  • Manage vendor relationships for event services, including caterers, venues, and entertainment.
  • Track budgets and ensure events are delivered on time, within scope, and aligned with company values.
  • Serve as a key point of contact for employees regarding office-related inquiries and partner with People/HR to promote company culture and employee engagement.
  • Manage the company receptionist service (Ruby) and ensure messages route to the correct person internally.
  • Partner with leadership on scheduling, travel coordination, and special projects; assist with expense reporting, budget tracking, and vendor payments.
  • Bring creativity to life by designing events, initiatives, and office experiences that reflect and strengthen our culture.

Requirements

  • 2+ years of experience in office management, operations, or administrative roles, ideally in a fast-growing company.
  • Strong organizational skills with the ability to multitask and prioritize effectively.
  • Excellent written and verbal communication skills.
  • Tech-savvy with proficiency in tools like Google Workspace, Slack, Zoom, and expense/reporting systems.
  • Friendly, approachable, and proactive in anticipating needs.
  • Passion for creating engaging, inclusive workplace experiences.
  • Proven experience in event planning and execution, from small gatherings to large-scale company functions.
  • Ability to manage vendors, facilities, mail, supplies, budgets, scheduling, travel coordination, expense reporting, and vendor payments.
  • Expected to be in the office typically 4-5 days per week.
  • Application requires answering whether you are legally authorized to work in the United States and whether you will require visa sponsorship.
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