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Posted 8 months ago

Senior Member of Technical Staff, Safety and Security for Agents

@ Cohere

Toronto, ON · Montréal, QC

$295k–$535k/yrHybridFull-time
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SIGNALS

Overview

Cohere is hiring a Senior Member of Technical Staff for its Safety for Agents team to improve the safety of large language models that act on external resources. The work covers data generation, post-training algorithms and evaluation methods, with a small, autonomous team. The role is full-time, remote-friendly, and requires about 50% working-day overlap with the UK/EU timezone.

Pay:

$295,000–$535,000 a year

Responsibilities:

  • Design data generation and post-training methods for LLM safety
  • Build and run evaluations of agent safety
  • Work with human annotators on data collection tasks
  • Analyze datasets for quality, bias and suitability for training
  • Collaborate with ML, product and policy teams

Requirements summary:

  • Strong statistical and experimental evaluation skills
  • Extremely strong software engineering skills
  • Hands-on experience training LLMs on distributed infrastructure
  • Proficiency in Python and ML frameworks such as PyTorch, TensorFlow or JAX
  • Papers at top-tier ML venues

Tools & skills

Benefits mentioned

Health insuranceDentalRetirement planPaid time offParental leave
Source and dates

Employer career site / ATS feed · ashby

Employer posting date
2026-03-23
First seen by our source
2026-10-08
Source record updated
2026-11-06

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Hours per week40 (estimated)
Travelair: minimal · ground: none
Work settingHome, Office
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Perks mentionedGenerous paid time off, Generous parental leave, Retirement plan, Wellness, Free or discounted meals, Home office allowance

Summary and details written by AI from the posting; the employer’s posting is the authority.

Cohere

Funding & investors

Reported funding round: Series E

Investor named in the round: Schwarz Group, Bell Ventures, Bullhound Capital, Government of Canada, Inovia Capital, NVIDIA, Prosperity7 Ventures

Announcement date: · Source checked: 2026-11-02

Company announcement
Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Empowering enterprises with private, powerful AI.

Full company description

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation models and end-to-end AI products designed to solve real-world business problems. We partner closely with companies to deliver seamless integration, full customization, and easy-to-use solutions for their workforce and customers. Our all-in-one platform offers enterprises the highest levels of data security, privacy and optionality to deploy across all major cloud providers, private cloud environments, or on-premises. HQ: 171 John Street, 2nd Floor, Toronto, ON M5T 1X3

LinkedIn followers
236,684
People associated on LinkedIn
907
Reported office locations
  • 171 John St, 2nd Floor, Toronto, Ontario M5T 1X3, CA
  • San Francisco, California, US
  • London, GB
  • New York, NY, US
  • Paris, FR
  • Montreal, CA
  • Seoul , KR
Business categories
  • Foundational AI
  • Artificial Intelligence
  • Software
  • Generative AI
  • Natural Language Processing
  • Artificial Intelligence (AI)
  • Machine Learning
Other recorded names
  • Cohere
Specialties
  • Natural Language Processing
  • Machine Learning
  • and Artificial Intelligence
Profile identifies a recruitment agency
No
Reported total investment
1,713,655,555

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation models and end-to-end AI products designed to solve real-world business problems. We partner closely with companies to deliver seamless integration, full customization, and easy-to-use solutions for their workforce and customers. Our all-in-one platform offers enterprises the highest levels of data security, privacy and…

FieldValue
IndustrySoftware Development
Company size201-500 employees
HeadquartersToronto, Ontario
Organization typePrivately Held
Year founded2019
SpecialtiesNatural Language ProcessingMachine Learningand Artificial Intelligence
Open jobs on Jobsy79
LinkedInView page
Job description

Who are we?

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.

We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that.

We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft.

We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us!

Role Overview:

As a Member of Technical Staff in the Safety for Agents team, you will make a meaningful impact on the development of better, fairer, more trustworthy, and more secure Large Language Models (LLMs). Your primary focus will be on data generation, post-training algorithms, and evaluation methods to ensure Safety in the next generation of models that can access external resources and take actions in the world. You will work closely with other cross-functional machine learning teams and data annotation teams, and will also collaborate with product and policy teams.

This role combines expertise in machine learning, ethical and responsible AI, experimental design, and data generation and management.

It will require curiosity to tackle totally new scientific problems, engineering skills to implement the pieces we need to test solutions to these, and a desire to dive into messy data and results. You will be on a small team with a lot of autonomy and decision-making power, responsible for making the next generation of LLMs better for society as a whole.

Please Note: The existing team work in offices in London, Edinburgh, Paris, Toronto, and New York, but we also embrace being remote-friendly! For this role you need to have ~50% working day overlap with UK/EU timezone (e.g. US East is fine) but there are otherwise no restrictions on where you can be located for this role.

Key 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).

Working Location:
This role can be based remotely or from one of our office locations listed on the job description - there is no minimum in-office qualification requirement. We care most about hiring exceptional people regardless of locations, though please check the location listed on the posting for guidance around the core time zone or working hours alignment expected for the role.

Full-Time Employees at Cohere enjoy these Perks:

  • A weekly lunch stipend of $75/£75 or equivalent in your local currency for lunch.

  • 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, and a 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 you are remote, plus an annual company offsite.

How and Where We Work:

  • Cohere is remote-friendly, but we also have offices in Toronto, London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul with more opening soon.

  • For those in the office: a daily lunch program, plenty of snacks, and regular community and social events.

  • For those not near an office: a co-working benefit so you can work alongside others in your city.

  • Everyone receives a $500 home office stipend to set up your workspace properly.

If any of the above doesn’t line up exactly with your experience, we still encourage you to apply.

We strive to create an inclusive work environment for all; we welcome applicants from all backgrounds and are committed to providing equal opportunities. Should you require any accommodations during the recruitment process, please submit an Accommodations Request Form, and we will work together to meet your needs.

We may use AI-enabled tools to screen and assess applicants against the criteria for this position. This helps our recruiters identify potentially qualified candidates, but it doesn't limit the applications our recruiters may review or consider.

Beware of Scams: Cohere will never ask for payment or third-party services (e.g., CV writing) as part of our hiring process. All legitimate roles are listed on the Cohere careers page and LinkedIn only, with all communications from Cohere employees coming from an @cohere.com or @cw.cohere email alias. If jobs are viewed on other sites then please verify these through our official careers page.

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