Senior Engineer I (Auth)

Menlo Security
Canada
Workplace: RemoteFull timeCAD 112,000 - 168,000Function: Solutions Engineering & Sales EngineeringExperience: 3+ yearsSkills: ["Ownership","Cross-functional collaboration","Critical thinking"]

Own and evolve the Authentication Service that every user and AI agent request passes through. Design, build, and run reliable, secure, and high-performance production services, applying security engineering practices like threat modeling and vulnerability mitigation. Optimize latency and throughput using profiling and concurrency techniques, and deliver end-to-end authentication capabilities for AI agents. Partner across product, security, and AI engineering while maintaining strong unit/integration and failure-scenario test coverage.

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FursaFursa
Menlo Security
Menlo Security
4 days ago

Senior Engineer I (Auth)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

Own and evolve the Authentication Service that every user and AI agent request passes through. Design, build, and run reliable, secure, and high-performance production services, applying security engineering practices like threat modeling and vulnerability mitigation. Optimize latency and throughput using profiling and concurrency techniques, and deliver end-to-end authentication capabilities for AI agents. Partner across product, security, and AI engineering while maintaining strong unit/integration and failure-scenario test coverage.
Location: Canada
Workplace: Remote
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, build, and own production services in the Authentication Service with responsibility for correctness, scalability, and security.
  • •Develop and extend AI agent authentication capabilities to securely govern how AI agents authenticate and access enterprise resources.
  • •Optimize latency and throughput in networked applications using profiling tools and efficient concurrency models.
  • •Apply security engineering practices including threat modeling and vulnerability mitigation to protect data integrity across distributed environments.
  • •Write unit and integration tests for failure scenarios and conduct code and design reviews with peers.

Pay and Benefits

Salary: CAD 112,000 - 168,000
Equity and Bonus:Equity

Key Requirements

  • •3+ years of experience building and operating production systems.
  • •Hands-on production experience with Rust, Python, or Go.
  • •Optimize networked applications for latency and throughput using profiling and concurrency techniques.
  • •Security engineering experience including threat modeling, vulnerability mitigation, and data integrity in distributed systems.
  • •Track record of comprehensive testing (unit, integration, and failure-scenario coverage).
Experience:3+ years
Skills:OwnershipCross-functional collaborationCritical thinking
Tech Stack:RustPythonGoOAuthOIDCSAML

Company Brief

Menlo Security
Provides a cloud-based isolation platform and secure enterprise browser to protect organizations from web, email, and document-based cyberattacks by executing risky content remotely and preventing malware and data exfiltration.
Industry: Cybersecurity
Company Size: Large (251 to 1,000 employees)
Revenue: USD 100M to 250M
Growth: Scaleup
Valuation: USD 500M to 1B
Funding: Series E+
Headquarters: Mountain View, United States
Founded: 2012
Glassdoor
Glassdoor: 4.0
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