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Senior Member of Technical Staff, Safety and Security for Agents

Cohere· Modeling
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Hybrid (London), Hybrid (New York), Hybrid (Edinburgh), Hybrid (Paris), Hybrid (Toronto), Hybrid (Montreal)CA$295k - CA$535kFull-timePosted 11mo ago

About the role

Senior technical role focusing on data generation, post-training algorithms, and evaluation methods to improve Safety in next-gen LLMs that can access external resources and take actions. Collaborates across ML, data annotation, product, and policy teams to develop fairer, more trustworthy, and more secure AI systems.

Responsibilities

  • Strong statistical skills and experience evaluating scientific experiments related to data collection and model performance.
  • Extremely strong software engineering skills.
  • Strong expertise in designing and conducting data collection tasks, including working with human annotators.
  • Experience analyzing datasets with respect to their quality, biases, and suitability for training ML models.
  • Hands-on experience training large language models (LLMs) on distributed training infrastructures.
  • Familiarity with evaluating and improving the generalizability and robustness of ML systems.
  • Proficiency in programming languages such as Python and ML frameworks (e.g., PyTorch, TensorFlow, JAX).
  • Excellent communication skills to collaborate effectively with cross-functional teams and present findings.
  • One or more papers at top-tier venues (such as NeurIPS, ICML, ICLR, AIStats, MLSys, JMLR, AAAI, Nature, COLING, ACL, EMNLP).

Skills

Required:Statistical analysisSoftware engineeringData collection designDataset quality and bias analysisLLM training on distributed infrastructureGeneralizability and robustnessProgramming (Python) and ML frameworksCross-functional communication
Nice to have:Academic publications

Benefits

  • A weekly lunch stipend of $75/£75 or equivalent in local currency.
  • Full health and dental benefits, including a separate budget for mental health.
  • RRSP matching, 401K, Pension Scheme.
  • 100% Parental Leave top-up for up to 6 months, for either parent.
  • Annual enrichment benefits: Arts & culture, fitness/wellness, quality time, workspace improvement credit.
  • Education & learning stipend for conferences, courses, and coaching.
  • 6 weeks of paid vacation (30 working days).
  • Budget for traveling to other offices if remote, plus an annual company offsite.
  • $500 home office stipend to set up workspace.
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Cohere

Support automation that's actually intelligent

Cohere resolves 40-70% of support requests using AI, over all channels, within just a few days.

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