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Senior AI Foundations Engineer — LLM Tuning & RL

Job in Cambridge, Middlesex County, Massachusetts, 02140, USA
Listing for: COMFORT SYSTEMS
Full Time position
Listed on 2026-08-30
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Machine Learning/ ML Engineer
Salary/Wage Range or Industry Benchmark: 230000 - 262000 USD Yearly USD 230000.00 262000.00 YEAR
Job Description & How to Apply Below

Capital One in Cambridge, MA seeks a Sr. Lead AI Engineer to design and deploy AI-powered systems. You will partner with engineers, researchers, PMs, and product teams to deliver scalable AI solutions that improve customer experiences and associate workflows.

The ideal candidate has deep software engineering and AI/ML expertise, including LLM optimization, vector databases, guardrails, and production-grade deployment.

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Position Requirements
10+ Years work experience
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