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Lead Machine Learning Scientist at Vector

Job in Toronto, Ontario, C6A, Canada
Listing for: Vector Institute
Full Time position
Listed on 2026-08-03
Job specializations:
  • Research/Development
    AI Evaluation, Research Scientist, Data Scientist, AI Business & Operations
Salary/Wage Range or Industry Benchmark: 125800 - 157300 CAD Yearly CAD 125800.00 157300.00 YEAR
Job Description & How to Apply Below
Elevate AI systems with Vector as an Applied Machine Learning Scientist. Focus on agent evaluation, observability, and stress-testing across long-horizon tasks for Canadian organizations.

This role entails leading innovative research aimed at enhancing AI agent performance and safety. Working collaboratively with Vector researchers and external partners, you'll develop tailored evaluation methods that move beyond static benchmarks. Key responsibilities include assessing agent trajectories, developing organization-specific evaluations, and creating reliable systems to measure and improve agent effectiveness.

Key Responsibilities:

• Research evaluation methods for long-horizon agents

• Develop comprehensive assessments of agent performance

• Create organization-specific evaluations from production data

• Construct durable regression tests for agent failures

• Collaborate with researchers and industry partners

Requirements:

• PhD in computer science or related field

• Expertise in AI agent evaluation and safety

• Proficiency in Python and research software

• Experience with modern language models

• Strong analytical skills in experimental design

Become a pivotal resource in enhancing safe AI agents at Vector Institute.
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