Product Security Engineer, North Security

Cohere
Canada
Workplace: RemoteFull timeUSD 260,000 - 385,000 annuallyFunction: CybersecuritySkills: ["Communication","Risk reasoning"]

Lead hands-on security reviews for AI-powered enterprise products, assessing architecture and code changes while identifying recurring vulnerability patterns. You will secure capabilities against threats like prompt injection, unsafe tool use, authorization/delegation failures, data exposure, tenant isolation issues, and sandbox escapes. Through threat modeling, testing with proofs of concept, and building scalable secure guardrails, you’ll translate findings into secure defaults and reusable controls engineers can inherit.

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FursaFursa
Cohere
Cohere
23 hours ago

Product Security Engineer, North Security

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Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Lead hands-on security reviews for AI-powered enterprise products, assessing architecture and code changes while identifying recurring vulnerability patterns. You will secure capabilities against threats like prompt injection, unsafe tool use, authorization/delegation failures, data exposure, tenant isolation issues, and sandbox escapes. Through threat modeling, testing with proofs of concept, and building scalable secure guardrails, you’ll translate findings into secure defaults and reusable controls engineers can inherit.
Location: Canada
Workplace: Remote
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Lead security reviews by reviewing architecture, code, and security-sensitive changes to identify vulnerabilities and recurring design patterns.
  • •Secure AI-powered products by evaluating risks such as prompt injection, unsafe tool use, identity/delegation failures, excessive agency, data exposure, tenant isolation, and sandbox escapes.
  • •Threat model new capabilities by identifying trust boundaries, abuse cases, and high-impact failure modes before implementation and translating them into prioritized mitigations.
  • •Perform hands-on testing by investigating suspected vulnerabilities, developing proofs of concept, and assessing exploitability and impact with engineers through remediation.
  • •Build scalable guardrails by creating secure defaults, approved patterns, reusable controls, review requirements, and automated checks to reduce recurring risks.

Pay and Benefits

Salary: USD 260,000 - 385,000 annually
Equity and Bonus:Equity
Perks:Meal AllowanceHealth InsuranceDental401kPensionParental LeavePaid LeaveLearning BudgetHome OfficeWellness Stipend

Key Requirements

  • •Strong software engineering fundamentals and the ability to understand, test, and contribute fixes to production codebases.
  • •Proficiency in at least one of Python, Go, or TypeScript.
  • •Experience leading security reviews or threat models for complex production systems, resulting in meaningful design or risk improvements.
  • •Understanding of common vulnerability classes (e.g., injection, authorization flaws, IDOR, SSRF, unsafe deserialization, race conditions, cryptographic misuse, supply-chain risks).
  • •Knowledge of modern application architecture, including web apps, APIs, OAuth/OIDC, cloud platforms, containers, Kubernetes, and CI/CD systems.
Experience:Enterprise softwareSaaSSecurity reviewsThreat modelingAgentic AI
Skills:CommunicationRisk reasoning
Tech Stack:PythonGoTypeScriptOAuth/OIDCCloud platformsContainersKubernetesCI/CDSASTDASTSCAPolicy-as-code

Company Brief

Cohere
Builds security-first foundation models and enterprise AI products (LLMs, retrieval, agent platforms) for regulated industries, enabling customizable, private deployments across cloud and on-premises for real-world business applications.
Industry: AI & Machine Learning
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series D
Headquarters: Toronto, Canada
Founded: 2019
Glassdoor
Glassdoor: 2.9
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