Staff / Principal Research Engineer, AI Safety Mitigations

The role

You will develop and test safeguards to reduce societal risks from scientific AI. This involves translating risk assessments into mitigation designs and integrating safeguards into model development and serving systems.

What you will do

• Translate scientific risk assessments and policy boundaries into mitigation designs and testable requirements.
• Develop and implement safeguards spanning model training, classifiers, monitoring, access controls and runtime interventions.
• Build experiments to measure risk reduction, robustness and effects on legitimate scientific use.
• Use adversarial findings and observed failures to improve safeguards.
• Work with model-training, post-training, inference and platform teams to integrate mitigations.
• Investigate regressions, distribution shifts and emerging misuse patterns.

Required qualifications

• Hands-on experience developing and validating safety interventions for frontier models within training, post-training or large-scale inference systems.
• Depth in at least one relevant area such as safety post-training, model-level classifiers, safeguards integrated into inference, or abuse monitoring and enforcement.
• Experience working directly with model-development or safeguards teams using training pipelines, model internals, inference infrastructure or systematic evaluation access.
• Strong research-engineering skills.
• Ability to move from an ambiguous problem to working, maintainable implementations.
• Sound experimental judgment.
• Ability to collaborate across research and engineering teams and explain technical trade-offs.

Nice to have

• Experience with scientific models, scientific software or laboratory-connected systems.
• Safety work involving tool-using agents, multi-step workflows or high-consequence misuse.
• Experience connecting expert-generated evidence and policy requirements to training data, evaluation criteria or operational controls.

Benefits

• Medical, dental, and vision coverage
• Employer-paid life and disability insurance
• Flexible time off with generous company wide holidays
• Paid parental leave
• Educational assistance program
• Commuter benefits including bike share memberships for office based employees
• Company subsidized lunch program

About the company

Lila Sciences is building Scientific Superintelligence to solve humankind's greatest challenges. The company combines advanced AI models with proprietary AI Science Factory instruments into an operating system for science.