Senior Machine Learning Engineer - Platform

Job Description Zendesk is building production AI systems that autonomously resolve customer service tickets across 100,000+ customer accounts. These systems plan multi-step resolutions, execute real actions through live APIs, and close tickets autonomously. We are now scaling beyond individual agent capabilities and investing in the platform foundation that powers reliable, secure, and measurable agentic services across the company. Here, you won’t be building one-off tools or experiments. You’ll be helping create the platform layer that enables teams to build, operate, and scale agentic services across a massive enterprise footprint. Zendesk has the scale, data density, and production urgency to build platform systems that truly matter.…