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Cohere Logo Cohere · IT - Software Development

Senior Security Engineer

· Job Posted February 20, 2026
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Job Description

Our mission is to scale intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation, semantic search, RAG, and agents. We believe that our work is instrumental to the widespread adoption of AI. 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. We like to work hard and move fast to do what’s best for our customers. Cohere is a team of researchers, engineers, designers, and more, who are passionate about their craft. Each person is one of the best in the world at what they do. We believe that a diverse range of perspectives is a requirement for building great products. Join us on our mission and shape the future!

Job Responsibility

  • Serve as trusted advisor to team’s leadership and partner teams by clearly articulating business risks associated with security issues
  • Lead security operation functions – including vulnerability management, SAST, DAST, detection engineering, and incident response – in CI/CD and cloud-native production environments
  • Integrate security into our applications throughout the software development lifecycle
  • Collaborate with product and development teams, driving the success of larger projects to ensure that software is built and deployed securely without compromising agility and speed
  • Driving and supporting bug bounty program, application security reviews and threat modeling, including code review and dynamic testing
  • Assess and integrate security tools to automate and scale security processes, i.e: evaluate open-source vs vendor solutions
  • Gather and analyze security metrics to address security issues with cross-team dependencies
  • Be a problem solver who is empathetic to developer concerns and will employ constructive and flexible approach to building innovative solutions

Requirements

  • 5+ years previous experience in Application/Product Security or Security Operations with a strong focus on security tool onboarding and optimization
  • Understanding of vulnerability management, network security, cloud security concepts, and industry best practices across many fields of security
  • Comfortable with ambiguity and able to make informed decisions with little data
  • Employ a flexible and constructive approach when solving problems
  • Able to make trade-offs between build vs. buy decisions - help build solutions and able to review what tools are available
  • Understand secure engineering best practices, can articulate problem statements and propose solutions to both technically savvy and non-technical audiences
  • Deep technical understanding of common security vulnerabilities and risks, as well as countermeasures and compensating controls
  • Hands-on security engineer interested in automating controls

What we offer

  • An open and inclusive culture and work environment
  • Work closely with a team on the cutting edge of AI research
  • Weekly lunch stipend, in-office lunches & snacks
  • Full health and dental benefits, including a separate budget to take care of your mental health
  • 100% Parental Leave top-up for up to 6 months
  • Personal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvement
  • Remote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend
  • 6 weeks of vacation (30 working days!)
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