Senior Director Machine Learning Ads Engineering

Job Summary:

As the Sr. Director Machine Learning - Ads Modeling you will lead the 120 person modeling and backend ML organization that powers Pinterest Ads performance. Modeling is the heart of Ads ML at Pinterest: your charter spans the full modeling stackfrom retrieval to ranking and signals and feature platforms supporting various modeling initiativesfocused on advertiser performance. You will define multiyear technical strategy build a multihorizon investment portfolio and scale shared platforms and frameworks that raise velocity and quality across organizations. You will lead through Senior Staff/Principal ICs and Manager of Manager partnering closely with Ads Product Serving/Infra Data Science/Measurement and Legal/Privacy.

What youll do:

• Set longterm technical strategy for modeling and ranking; shape companylevel metrics and connect them to strategic investments.
• Lead crossorg flagship initiatives; uphold the technical bar for modeling/serving quality and safety; scale shared tooling and platforms that materially improve velocity reliability and cost.
• Establish and improve availability latency and cost goals; proactively monitor reliability trends; ensure timely remediations and continuous SLA/SLO improvement.
• Structure and develop the org and leadership bench; recruit and retain top technical leaders; sponsor equitable orgwide development systems.
• Align leaders across business functions; communicate strategy risks and tradeoffs in executive forums; enable rapid innovation with strong guardrails.
• Ensure consistent delivery on OKRs and critical initiatives; make businesslevel tradeoffs; secure buyin on highleverage bets.

What were looking for:

• Bachelors Degree in Computer Science Mathematics Statistics or Relevant Field; Masters/PhD highly preferred.
• Proven record leading enterprisescale modeling ranking and marketplace systems with crossorg impact.
• Breadth across retrieval ranking calibration embeddings auction design and measurement; ability to guide crossorg architecture and investments.
• Executivelevel communication and influence; aligns leaders on highleverage investments; manages risk at org scale while maintaining iteration velocity.
• Demonstrated success leading and developing Senior Staff/Principal ICs and Managers of Managers; robust succession planning and equitable development systems.
• Systems thinking on reliability availability latency and cost; establishing and improving SLOs across modeling/serving pathways.

Relocation Statement:

• This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model.

In-Office Requirement Statement:

• We let the type of work you do guide the collaboration style. That means were not always working in an office but we continue to gather for key moments of collaboration and connection.
• This role will need to be in the office for in-person collaboration once or twice a week and therefore needs to be in a commutable distance from one of the following offices: Palo Alto San Francisco or Seattle.

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Required Experience:

Exec