[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Apple # Machine Learning Research Engineer, Pretraining Data — Foundation Models Cupertino, United States of America Data & Analytics Listed on Apple’s official careers site. Posted October 21, 2026. Check that it is still open and apply there. [Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200690818/machine-learning-research-engineer-pretraining-data-foundation-models) [OpenNash Jobs](https://jobs.opennash.com/) / [Apple](https://jobs.opennash.com/companies/apple/) / Machine Learning Research Engineer, Pretraining Data — Foundation Models ## Job description Apple is revolutionizing artificial intelligence by developing sophisticated foundation models that power intelligent features across our product ecosystem. We're seeking skilled Machine Learning Engineers to transform cutting-edge research into scalable, production-ready AI solutions. We are looking for engineers who are passionate about building systems that push the frontier of deep learning in terms of scaling, efficiency, and flexibility and delight millions of users in Apple products. Apple's Foundation Models team is building the next generation of large language models that power intelligent experiences across Apple products. High-quality, diverse, and scalable training data is fundamental to advancing model capabilities in knowledge, reasoning, coding, and multilingual understanding. We are seeking talented and motivated Research Engineers to advance the state of the art in pretraining data research and engineering. In this role, you will develop novel algorithms and scalable systems for data curation, quality assessment, and optimization, working closely with model training researchers to translate innovative ideas into measurable improvements in foundation model capabilities. This position offers a unique opportunity to work at the intersection of cutting-edge machine learning research and large-scale systems engineering, with direct impact on the development of next-generation foundation models. ## At a glance - Posted by the employer: Oct 21, 2026 - First seen by OpenNash: Oct 25, 2026 - Last checked: Nov 1, 2026 - Listed for: 11 days - Location: Cupertino, United States of America[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200690818/machine-learning-research-engineer-pretraining-data-foundation-models) ## Hiring at Apple - Open jobs: 6,319 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All Apple jobs](https://jobs.opennash.com/companies/apple/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Apple ### [AI Data & Infrastructure Engineer](https://jobs.opennash.com/companies/apple/jobs/cd25d0b696f5bfabf9ab/) Cupertino, United States of America ### [AI Data & Knowledge Engineer](https://jobs.opennash.com/companies/apple/jobs/dfde219985e33617bdb9/) Cupertino, United States of America ### [AI Data Platform Engineer](https://jobs.opennash.com/companies/apple/jobs/a74cb1ecb4fbea968a1d/) Cupertino, United States of America ### [AI/ML - Machine Learning Engineer, Text Language Identification](https://jobs.opennash.com/companies/apple/jobs/5e6432f121d1a36c5dd0/) Cupertino, United States of America ### [AI/ML Engineer: System RF Data Ecosystem](https://jobs.opennash.com/companies/apple/jobs/6287b15053e4aed5093a/) Cupertino, United States of America ## Similar jobs at other companies ### [Machine Learning Research Engineer, Senior](https://jobs.opennash.com/companies/qualcomm/jobs/31d163fde27f4e6305f5/) Qualcomm · San Diego, California, United States of America ### [Principal Researcher - Machine Learning & Statistics - Microsoft Research](https://jobs.opennash.com/companies/microsoft/jobs/4d7ba3eba2727cc5d024/) Microsoft · United States, Massachusetts, Cambridge ### [Research Intern - Machine Learning and Optimization - Redmond](https://jobs.opennash.com/companies/microsoft/jobs/af72bdce6791238905a4/) Microsoft · United States, Washington, Redmond ### [Artificial Intelligence/Machine Learning (AI/ML) Research Scientist](https://jobs.opennash.com/companies/lockheed-martin/jobs/b7a198e8fc3b591f1638/) Lockheed Martin · Sunnyvale, CA, Palo Alto ### [Senior Machine Learning Engineer](https://jobs.opennash.com/companies/cvs-health/jobs/6997911d5e1c02b976f9/) CVS Health · New York, NY OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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