CareerPlan

Staff / Principal Research Engineer, AI Safety Mitigations

Alewife, Cambridge, MAFull-time$224k2026-10-16 → 2026-11-10

Core

Develop and test safeguards to reduce societal risks from closed-loop scientific AI models, agents, and laboratory-connected workflows.

Role type

Staff/Principal Research Engineer (AI Safety)

Builds

Safety systems, mitigation designs, and experiments for scientific superintelligence models.

Domain

AI Safety / Scientific Superintelligence

Deliverable

production ML models

Required skills

Safety intervention development, frontier model training/post-training, model-level classifiers, inference safeguards, abuse monitoring, adversarial testing, experimental design, robustness assessment, research engineering, cross-team collaboration.

Preferred skills

Scientific models, tool-using agents, multi-step workflows, policy-to-control translation.

Technologies

Model training pipelines, inference infrastructure, evaluation frameworks, automated safety systems.

Responsibilities

Translate risk assessments into concrete mitigation designs; develop and implement safeguards across training, inference, and runtime; build experiments measuring risk reduction and robustness; investigate regressions and misuse patterns; integrate mitigations into model development and serving systems.

Seniority

Staff/Principal, hands-on IC with strategic scope.