Principal AI Engineer

New

SonderaAI security

Remote, United States.Full-TimePrincipal

SalaryBase salary of $220,000–$260,000 USD, plus equity.

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Job Details

Have shipped LLM-based judges, classifiers, monitors, or agents in production, with evaluations you trusted.
Build evaluation sets with human labels and report results with their uncertainty.
Write production code in Python and a systems language.
Design systems where a model proposes and something else decides.
Have a public record of research, such as papers, talks, CVEs, or open-source work.
Use coding agents daily and review their output closely.
Research on AI control, trusted monitoring, or scalable oversight is a plus.
Experience with LLM judges for behavior spanning many steps or agents is a plus.
Experience building systems that learn from reviewers' decisions or mapping controls to frameworks is a plus.
Red-teaming LLM systems, including prompt injection, is a plus.
Production Rust experience is a plus.

Build labeled evaluations from real agent activity and publish each monitor's precision and recall.
Run monitors across customer fleets at a predictable cost per trajectory and show which events they have not read.
Turn patterns across trajectories into policy proposals that cite evidence and are replayed against recent activity.
Turn denials, approvals, and overrides into proposed refinements.
Turn simulation failures into proposed repairs.
Map policies to control frameworks and provide evidence for each mapping.
Publish or present findings at an ML or security venue.

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