{"id":4042672,"url":"https://alion.io/job/sei-business-operations-workplace-manager","title":"Business Operations & Workplace Manager","company":{"id":47636,"name":"Sei","domain":"sei.io","url":"https://alion.io/company/sei","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Operations","role_family":"Operations","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Google Workspace","optional":false},{"name":"Notion","optional":false},{"name":"Sei","optional":false},{"name":"Slack","optional":false}],"status":"live","first_seen_at":"2026-11-10T19:26:12Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T22:45:02Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About the role\nSei Development Foundation is seeking an experienced, proactive generalist to be a go-to operator across the business and run our physical office in NoHo. This role is ideal for someone who thrives in dynamic environments, loves solving problems independently, and wants to contribute to a fast-moving blockchain company building at the frontier of web3.\nWe believe the best ideas, strongest relationships, and real sense of belonging come from time spent together. So when our team comes into our office in Noho, we want it to feel like the center of our community. It’s a beautiful space in one of New York’s best neighborhoods, where we do our best work together, host offsites and team gatherings, and celebrate wins.\nWe’re looking for someone to make it feel alive, and to help the business run smoothly behind the scenes. You’ll create the experiences that make people want to walk through the door, and you’ll also step into whatever the team needs: executive support, events, people operations, finance operations, and general business operations. You’ll balance operational excellence with real hospitality, and culture and community will always be your north star.\nYou’ll be part of the Operations team, but this role is yours to run. You’re our sole owner of workplace experience, with no facilities team behind you, so you’ll bring a builder’s mindset and the drive to get things done yourself. As a 5 days/week on-site role, you’ll be the steady presence in the office, welcoming people on the days they come in and making each one count.\nWhat you’ll do\nBusiness operations\nProvide EA-style support as needed: calendar management, travel and logistics, meeting prep, and follow-through\n\nSupport recruiting logistics: candidate communication, scheduling on-site visits, and a great candidate experience\n\nRun new-hire onboarding, including equipment, accounts, and access, and delivering a welcoming first day\n\nSupport finance ops: expense management, invoices and vendor management, and budget tracking\n\nTake on cross-functional special projects and process improvements, such as setting up new systems, running audits, and building workflows\n\nOffice operations & vendors\nRun daily office operations: front-of-house, mail and packages, snacks and supplies, and general upkeep\n\nOwn vendor and landlord relationships, including sourcing, contracts, renewals, and service quality\n\nBe the first point of contact for employee requests and office issues, and resolve them yourself or find who can\n\nManage facilities needs such as space planning, repairs, equipment, and safety compliance\n\nOwn the office budget: track spend, negotiate pricing, and flag cost-saving opportunities\n\nEvents & culture\nPlan and run team events, including offsites, happy hours, and gatherings\n\nCoordinate company-wide moments such as all-hands and milestone celebrations\n\nBuild in-person rituals and traditions that make the office the center of our community\n\nGather employee feedback and keep improving the workplace experience\n\nWhat we’re looking for\n5-10 years in operations, executive support, chief of staff, office management, or a similar role\n\nA true generalist: comfortable going from planning an offsite to reconciling expenses to onboarding a new hire in the same day\n\nTrack record of working independently as the sole owner of an area\n\nStrong vendor management and budgeting skills\n\nExperience planning events from start to finish\n\nHighly organized and proactive: you spot problems before they’re reported\n\nExcellent judgment and discretion with sensitive information\n\nClear, warm communicator who treats colleagues as customers\n\nComfortable in a small company where you’ll wear many hats\n\nAble to work on-site at our Manhattan office 5 days a week\n\nExperience with workplace and business tools (e.g., Google Workspace, Slack, Notion, expense/procurement, HR platforms), and fluency in using AI to work faster\n\nNice to have\nPassion for web3 and interest in blockchain ecosystems\n\nExperience at a startup or high-growth company","description_format":"text","description_chars":4038,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Milestone 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