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Principal Security Architect

Menlo Security Inc.

Remote · Full-time · Remote · Posted Sep 28, 2026

At a glance

Employment
Full-time
Workplace
Remote
Location
Remote

About the role

  • The Principal Security Architect will lead security design reviews, conduct assessments of third-party software, and oversee internal and external security evaluations.
  • This role involves developing novel security features, assisting with technical compliance and sales efforts, and contributing to patent development.
  • The position requires deep expertise in browser security, applied cryptography, and cloud infrastructure to protect the Menlo Browser Security Platform.

Responsibilities

  • Perform security design and code reviews for product architecture and infrastructure.
  • Design and document the integration and deployment of enterprise Hardware Security Modules (HSM) and Key Management.
  • Conduct security assessments of third-party software, SaaS offerings, and their integrations.
  • Oversee internal and third-party security assessments.
  • Perform in-depth vulnerability impact analysis for both product and third-party vulnerabilities.
  • Monitor and assess the impact of emerging technologies and web standards on product security.
  • Support compliance and sales teams with technical expertise for regulations and RFPs.
  • Engage in technical security discussions with customers.
  • Assist with patent writing and review.
  • Develop novel product features and create technical content for external consumption.

Requirements

  • Advanced knowledge of applied cryptography (HSMs, TPMs) and Key Management Life Cycle.
  • Deep knowledge of web and browser technologies including Same Origin Policy, XSS, CSRF, HTTP security headers, and JavaScript engine internals.
  • Thorough understanding of network and OS fundamentals (TCP, HTTP, TLS, DNS, Firewalls, WAFs, DAC/MAC, Sandboxing).
  • AWS security experience including IAM, Organizations, EC2, and VPC.
  • Familiarity with static and dynamic analysis concepts and tools.
  • Advanced knowledge of C/C++ with a focus on secure coding.
  • Proficiency in at least one additional language, preferably Python or JavaScript.
  • Minimum MSc/MEng or equivalent degree.

Preferred qualifications

  • PhD degree

Benefits

  • Base salary range of 158,000 CAD - 263,000 CAD
  • Eligibility for stock-based compensation grants

Workplace

  • Canada - Distributed

Skills

  • AWS
  • C
  • C++
  • Python
  • JavaScript
  • TCP
  • HTTP
  • TLS
  • DNS
  • Firewalls
  • WAFs
  • IAM
Show all 13 skills
  • EC2

Menlo Security Inc.

Principal Security Architect

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