Principal AI Engineer

WHO WE ARE Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vision is to make sophisticated marketing simple by unifying identity, intelligence, and omnichannel activation into a single platform – powered by one of the industry’s largest proprietary databases and AI. Our enterprise customers across multiple verticals are empowered to personalize experiences with consumers at an individual level across every channel, delivering better results for marketing programs. Zeta was founded in 2007 by David A. Steinberg and John Sculley and is headquartered in New York City with offices around the world. To learn more, go to www.zetaglobal.com . Key Responsibilities • Technical strategy and architecture. Define the AI/ML architecture and technical roadmap across the portfolio. Identify shared capabilities, establish clear interfaces, and guide build-versus-buy decisions while respecting product-specific requirements. • Predictive ML and optimization. Lead advances in prediction, targeting, ranking, bidding, pacing, and personalization. Guide feature development, training, calibration, and serving, addressing sparse signals, delayed outcomes, and changing data distributions. • Agentic frameworks and agents. Design reusable orchestration, tool integration, retrieval, state and memory, and multi-agent coordination. Build workflows for campaign planning, insights, recommendations, and execution, with explicit permissions, human approval where needed, and recoverable failure handling. • Portfolio integration. </str