Business Operations & Workplace Manager
Sei is a high-performance Layer 1 blockchain optimized for trading applications with 400ms block finality and parallel transaction processing.
Funding history
Projects
About Sei
Sei helps developers build fast, efficient applications by providing a trading-focused Layer 1 blockchain with parallelized execution. Users can trade digital assets at near-instant speeds, build high-performance decentralized exchanges, and deploy applications using familiar EVM tools.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You'll be the go-to generalist operator across the business and the sole owner of workplace experience at the NoHo office. You'll provide executive-style support, run onboarding, support recruiting and finance operations, manage daily office operations and vendor relationships, and plan events and culture moments that make the office the center of the community. This is a 5 days per week on-site role.
Requirements
- 5-10 years in operations, executive support, chief of staff, office management, or a similar role
- Generalist comfortable across events, expenses, and onboarding
- Track record working independently as sole owner of an area
- Strong vendor management and budgeting skills
- Experience planning events from start to finish
- Highly organized and proactive
- Excellent judgment and discretion with sensitive information
- Clear, warm communicator
- Comfortable in a small company wearing many hats
- Able to work on-site at Manhattan office 5 days a week
- Experience with workplace and business tools (Google Workspace, Slack, Notion, expense/procurement, HR platforms) and fluency using AI
Responsibilities
- Provide EA-style support including calendar management, travel and logistics, meeting prep, and follow-through
- Support recruiting logistics including candidate communication and scheduling on-site visits
- Run new-hire onboarding including equipment, accounts, and access
- Support finance ops including expense management, invoices, vendor management, and budget tracking
- Take on cross-functional special projects and process improvements
- Run daily office operations including front-of-house, mail, snacks, supplies, and upkeep
- Own vendor and landlord relationships including sourcing, contracts, and renewals
- Serve as first point of contact for employee requests and office issues
- Manage facilities needs such as space planning, repairs, equipment, and safety compliance
- Own the office budget, negotiate pricing, and flag cost-saving opportunities
- Plan and run team events, offsites, and gatherings
- Coordinate company-wide moments such as all-hands and milestone celebrations
- Build in-person rituals and traditions
- Gather employee feedback and improve the workplace experience
