Sr Machine Learning Engineering Manager, Planner Modeling Team

Join Siri as the Engineering Leader of the Planner Modeling Team and play an important role in redefining the Siri experience. You will collaborate with senior leaders and cross-functional partners to develop the core model that drives the agent's behavior, determining when and how to call tools on the users behalf. In this role you will work at the forefront of what is currently possible with LLMs, working with simulation, evaluation, context engineering, and data generation.

Description

This role requires collaboration across teams, including teams building our agent's "toolbox", search, and close partners with Response Generation and Internationalization. Work closely with our Architecture Committee and the Evaluation Infrastructure team to align on strategic directives and leverage simulator-driven evaluations to measure and improve model quality. Engage in benchmarking state-of-the-art internal and external models and perform failure analyses to understand common failure patterns and gain exposure to cutting edge technologies and techniques.","responsibilities":"Enable the team to improve model performance by iterating on prompts and evaluation tools Conduct benchmarking of internal and external models

Perform failure analyses to identify common failure patterns and advocate for system-wide changes

Lead and prioritize team efforts to balance product and engineering goals

Facilitate meetings and ensure clear communication across the team

Onboard new engineers and adjust resources as projects evolve

Communicate progress and strategic plans to leadership and cross-functional partners in weekly status reports and weekly leadership meetings

Preferred Qualifications

Bachelors in Computer Science or equivalent work experience

Minimum Qualifications

Expertise in language models, agentic systems, and evaluation methodologies

Experience with tools and workflow development for model improvement

Passion for experimenting with and optimizing prompts

Experience managing technical teams through ambiguity and change

Strong cross-functional collaboration skills that lead to the best outcomes for the customer

Proven ability to translate leadership goals into actionable tasks

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