Expedia

Product Security Architect III

Expedia
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2 hours ago
Tokyo, JapanSenior

Responsibilities

  • Define and evolve security architecture patterns, standards, and reference designs for secure-by-design product development.
  • Partner with product, engineering, and infrastructure teams on secure system architectures, API design, low-level design, and data models.
  • Lead threat modeling, security design reviews, and risk assessments for complex product initiatives.
  • Provide technical leadership on authentication, authorization, encryption, key management, and secrets handling controls.
  • Guide the safe integration and operation of AI/ML-enabled and AI-driven solutions, tools, and workflows.
  • Influence product roadmaps and technical decisions by aligning security architecture with business, regulatory, and operational needs.
  • Drive secure-by-design practices, security automation, telemetry, monitoring, and continuous improvement across product domains.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field, or equivalent related professional experience.
  • 5+ years of relevant professional experience.
  • Hands-on product or application security experience designing secure architectures for services, APIs, and data models in complex distributed systems.
  • Experience owning security architecture for a significant product area, service group, or domain from design through implementation.
  • Strong knowledge of secure software development, identity and access management, cryptography usage, cloud-native security controls, and AI/ML-enabled systems.
  • Preferred experience defining security architecture patterns at scale for multi-service or domain-wide cloud-native ecosystems.
  • Preferred experience leading security architecture for highly available, high-throughput, data-intensive, and API-centric systems.
  • Preferred experience with formal threat modeling, security design reviews, security automation, telemetry, monitoring, and CI/CD integration.
  • Preferred experience governing model security, data protection, responsible AI use, and secure operation of AI/ML-enabled products.
  • Preferred expertise using security metrics, risk scores, and telemetry to prioritize investments and improve security posture.

Benefits

  • Medical, dental, and vision coverage.
  • Paid time off and an Employee Assistance Program.
  • Wellness and travel reimbursement.
  • Travel discounts and International Airlines Travel Agent Network (IATAN) membership.

Categories

Expedia

About Expedia

10,000+ employees
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