Principal Research Engineer jobs
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STI
Principal Research Engineer
Hawthorne · CA
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Archer
Principal AI Research Engineer
San Jose · CA
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Character
Principal Research Engineer, Post-Training
Redwood City · CA
US$ 275,000 – 400,000 per year
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Lila Sciences
Staff / Principal Research Engineer, AI Safety Mitigations
Cambridge · MA
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Inflection AI
Principal Research Engineer, Model Training & Post-Training
Palo Alto · CA
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Clarity Innovations
Principal Reverse Engineering/Vulnerability Research Engineer
Columbus · OH
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Clarity Innovations
Principal Reverse Engineering/Vulnerability Research Engineer
Herndon · VA
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Clarity Innovations
Sr. Principal Reverse Engineering/Vulnerability Research Engineer
Herndon · VA
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Samsung Semiconductor
Principal Engineer, Architecture & Performance Research for Data Center and Agentic AI CPU
San Jose · CA
End of the jobs for this search.
Principal Research Engineer jobs by the numbers
As of 11/10/2026, Joonow lists 9 jobs for Principal Research Engineer, from career sites and recruiting systems. 100% of them are remote. The company with the most openings is Clarity Innovations.
Jobs updated on 11/10/2026
Work model
Companies hiring the most
- Clarity Innovations3 jobs
- Character1 job
- Inflection AI1 job
- STI1 job
- Lila Sciences1 job
Jobs come from career sites and recruiting systems and are checked at the source; the numbers change during the day.