Head of Office Experience & Events

Sei Labs; New York (NY); On-site; USD 80,000 - 120,000; Full time

Job summary

Sei Development Foundation is seeking a Workplace Experience Manager to oversee our NoHo office in New York City. This is a 5 days/week on-site role focused on creating a vibrant, efficient office and a welcoming culture.

You will run office operations, manage vendors and budget, plan events, and own the in-person employee experience. The role requires independence, strong communication, and comfort wearing multiple hats in a small company.

Qualifications

• 3–6 years in office management, workplace experience, facilities, or a similar operations role.
• Experience working independently as the sole owner of an area.
• Strong vendor management and budgeting skills.
• Experience planning events from start to finish.
• Highly organized and proactive: you spot problems before they’re reported.
• Clear, warm communicator who treats colleagues as customers.
• Able to work on-site at our Manhattan office 5 days a week.
• Experience with workplace tools (e.g., Google Workspace, Envoy, Slack, expense/procurement platforms)

Responsibilities

• Office operations & vendors: Run daily office operations, front-of-house, mail, supplies, and upkeep; own vendor and landlord relationships; be first point of contact for employee requests and office issues.
• Facilities, supplies & budget: Manage space planning, repairs, equipment, safety compliance; own the office budget; manage snacks and inventory.
• Events & culture: Plan and run team events, offsites, office happy hours; coordinate all-hands and milestone celebrations; gather employee feedback and improve the workplace experience.

Skills

Independent work

Vendor management

Budgeting

Event planning

Organized

Communication

On-site work

Hospitality mindset

Tools

Google Workspace

Envoy

Slack

Expense/Procurement platforms

Job description

Sei Development Foundation is seeking a Workplace Experience Manager to oversee our NoHo office in New York City. This is a 5 days/week on-site role focused on creating a vibrant, efficient office and a welcoming culture.

You will run office operations, manage vendors and budget, plan events, and own the in-person employee experience. The role requires independence, strong communication, and comfort wearing multiple hats in a small company.