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Apple

# Senior Machine Learning Engineer, Apple Search & Knowledge Platforms

Santa Clara, United States of America Senior individual contributor Data & Analytics 

Listed on Apple’s official careers site. Posted May 14, 2026. Check that it is still open and apply there.
[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200641779/senior-machine-learning-engineer-apple-search-knowledge-platforms)

[OpenNash Jobs](https://jobs.opennash.com/) / [Apple](https://jobs.opennash.com/companies/apple/) / Senior Machine Learning Engineer, Apple Search & Knowledge Platforms

## Job description

The AI, Search & Knowledge Platforms team builds amazing products and services for Apple's customers while serving as a foundational partner to teams across Apple. The team delivers world-class AI, search, and knowledge systems powering Siri, Apple Intelligence, Safari, and iMessage, and operates the foundational platforms and infrastructure that keep these intelligent experiences running at hyperscale. As part of this group, you will be doing large scale machine learning and deep learning research and development to improve Open Domain Question Answering (using both structured knowledge graph data and unstructured web data) and Summarization as well as developing fundamental building blocks needed for Artificial Intelligence.

This involves developing sophisticated machine learning and large language models (LLMs) to understand user queries, retrieve and rank relevant documents across multiple sources and synthesize information across documents to provide user with a direct answer that best satisfies their intent and information seeking needs. Additionally, you will research and develop the state-of-the-art LLMs for summarizing personal data such as emails, messages, and notifications.

You will also work with researchers and data scientists to develop, fine-tune, and evaluate domain specific Large Language Models for various tasks and applications in Apple’s AI powered products and conduct applied research to transfer the cutting edge research in generative AI to production ready technologies.

## At a glance
- Posted by the employer: May 14, 2026
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 18, 2026
- Listed for: 157 days
- Location: Santa Clara, United States of America[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200641779/senior-machine-learning-engineer-apple-search-knowledge-platforms)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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