Founding Partnerships & Events Lead

Sirius; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Lunch, coffee & snacks

Flexible healthcare

Own what you build

Time off that’s actually off

Company events

Job summary

Sirius is a San Francisco–based startup building a retention platform for consumer brands. We hire founders who own real outcomes and shape company growth. You will lead partnerships and vendor relationships, run events, and help scale through strategic alliances.

You’ll negotiate, close deals, and implement systems to manage partners as we scale, working closely with the CEO and influencing broader company strategy. This hands-on role is foundational to Sirius’s growth.

Qualifications

• 4+ years in partnerships, alliances, business development or vendor management.
• Experience at an early-stage startup, or evidence of thriving without a large support team.
• Strong negotiator who has sourced, structured and closed deals end to end.
• Excellent at building relationships with founders, vendor teams, or C-level executives.
• Organized and self-directed, able to manage many relationships with steady follow-up.

Responsibilities

• Own external relationships: be the main contact for vendors and partners, keeping relationships healthy and productive.
• Run our events: own industry conference presence and hosted events from dinners to partner happy hours; manage sponsorships, venues, budgets, logistics.
• Build new partnerships: find, pitch and close partners such as tech integrations, co-marketing, channel and strategic alliances.
• Manage vendors: source and evaluate vendors, negotiate contracts and SLAs, hold vendors accountable.
• Own company merch: source, manage merch vendors, and handle ordering, quality checks, inventory and delivery.

Skills

Partnerships

Vendor management

Negotiation

Relationship building

Communication

Job description

Sirius is a San Francisco–based startup building a retention platform for consumer brands. We hire founders who own real outcomes and shape company growth. You will lead partnerships and vendor relationships, run events, and help scale through strategic alliances.

You’ll negotiate, close deals, and implement systems to manage partners as we scale, working closely with the CEO and influencing broader company strategy. This hands-on role is foundational to Sirius’s growth.