Data Partnerships & Vendor Growth Lead

Sieve; San Francisco (CA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Health insurance

401(k)

Meals provided (breakfast, lunch, and‑

Snacks and Uber rides home

Job summary

Sieve is seeking a Senior vendor partnerships lead to build and scale our external data collection network from pilots to sustained production across multiple countries and data types. You will own sourcing, qualification, and commercial negotiation with suppliers, collaborating with hardware, engineering, quality, and delivery teams to ensure data meets our requirements.

You will manage ongoing partner relationships, drive performance against quality and cost targets, and establish repeatable

Qualifications

• 5+ years of relevant experience in supplier development or data operations.
• Track record of sourcing, onboarding, and scaling suppliers.
• Experience managing partner performance against quality, volume, timeline, and cost.
• Strong commercial and analytical judgment for pricing and capacity.
• Technical fluency to learn collection requirements and work with engineering teams.
• Disciplined organization and clear communication across many partners and time zones.
• Willingness to travel; based in San Francisco or willing to relocate.

Responsibilities

• Build and scale the vendor network; source and qualify collection vendors.
• Qualify through pilots with technical teams and establish output.
• Own commercial negotiations including pricing and payment terms.
• Turn pilots into production with onboarding plans.
• Ongoing vendor management with reviews of hours, quality, cost, coverage and delivery.
• Resolve operational blockers with partners and internal teams.
• Build a repeatable operating system with playbooks and region targets.

Skills

Vendor development

Negotiation

Partner management

Commercial judgment

Analytical skills

Technical fluency

Organization

Travel willingness

Based in SF

SQL

Job description

Sieve is seeking a Senior vendor partnerships lead to build and scale our external data collection network from pilots to sustained production across multiple countries and data types. You will own sourcing, qualification, and commercial negotiation with suppliers, collaborating with hardware, engineering, quality, and delivery teams to ensure data meets our requirements.

You will manage ongoing partner relationships, drive performance against quality and cost targets, and establish repeatable