Senior ML Engineer is open at Flagship Pioneering, Inc. in Cambridge, MA USA. The posting gives no salary; similar roles in the United States advertise a median of $190K. Posted on Oct 31, 2026, and still on Flagship Pioneering, Inc.’s careers page when we last checked, on Nov 15, 2026.
About the role
We are seeking a highly motivated Senior Machine Learning Engineer to join our AI/ML team. This individual will play a central role in designing, building, and deploying the machine learning systems that power our platform, with a focus on large language models (LLMs), retrieval-augmented generation (RAG), agentic orchestration, and production-grade model deployment. You will work across the full ML lifecycle, from…
The opening lines of the posting. The rest is on Flagship Pioneering, Inc.’s careers page.
Hiring at Flagship Pioneering, Inc.
Flagship Pioneering, Inc. has 100 open roles right now. Most are in Data & Research, Engineering and Operations. The median advertised salary across its roles with a published range is $176K. See all its roles
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