Join a dynamic workplace operations team in a part-time Office Administrator role supporting a fast-paced Seattle office. This position is ideal for a highly organized, service-minded professional who enjoys creating a smooth, welcoming environment and keeping day-to-day operations running efficiently.

Responsibilities

• Oversee daily office operations by performing regular walkthroughs and helping maintain a clean, safe, and organized workspace
• Manage office, kitchen, and facilities supplies, including inventory tracking, ordering, and restocking
• Serve as a point of contact for facilities and IT issues, submitting tickets and following up through resolution
• Coordinate with building management and vendors for maintenance, repairs, cleaning, and other on-site needs
• Receive, sort, and distribute mail and deliveries
• Support cross-functional partners such as IT, HR, Facilities, and food program teams with on-site needs
• Help plan and execute office events, team gatherings, holiday celebrations, and employee engagement activities
• Assist with daily meals, snacks, beverages, and other workplace experience programs
• Maintain office documentation, wiki content, and site-specific internal pages
• Track office expenses, support budget management, and handle ad hoc administrative requests
• Support local onboarding and orientation for new team members
• Assist with space planning and prepare for future headcount needs
• Help coordinate logistics and technology for meetings and broadcasts

Skills

• 2 to 5+ years of experience in office administration, workplace operations, or a related role
• Strong organizational skills with the ability to manage multiple priorities independently
• Excellent communication skills, both written and verbal
• Experience working with vendors, facilities partners, and internal stakeholders
• Ability to provide a high level of employee-facing support with attention to detail
• Comfort working in a fast-paced environment and adapting to changing needs
• Proficiency with Google Workspace

Preferred Skills

• Experience supporting office operations in a high-growth technology environment
• Background in event coordination or workplace engagement initiatives
• Familiarity with facilities processes, ticketing systems, or office budgeting
• Experience supporting onboarding, internal communications, or workplace documentation
• Proactive, solutions-oriented mindset with a collaborative approach

Horizontal is committed to fostering an inclusive and welcoming environment where every team member feels valued and respected. We encourage applicants from all backgrounds and experiences to apply, and we believe diverse perspectives help create stronger teams and better outcomes.