Senior Product Security Architect - Secure-by-Design & AI

Expedia Group; Austin (TX); On-site; USD 146,000 - 205,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision coverage

Paid time off

Employee Assistance Program

Wellness and travel reimbursement

Travel discounts

IATAN membership

Job summary

Expedia Group is seeking a Product Security Architect III to lead secure-by-design architecture across multiple platforms and services. You will partner with product, engineering, and infrastructure teams to design secure systems, lead threat modeling, and drive security controls across data models and APIs.

The role requires deep expertise in security fundamentals, cloud-native security, and AI/ML considerations, with ownership of security architecture for major product areas.

Qualifications

• Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.
• 5+ years of relevant professional experience.
• Experience in product or application security with hands-on security architecture for services, APIs, and data models in complex, distributed systems.
• Proven ownership of security architecture for a significant product area, service group, or domain.
• Strong depth in security fundamentals such as secure software development practices, IAM, cryptography, and cloud-native security controls; familiarity with AI/ML concepts in real-world products.

Responsibilities

• Define and evolve security architecture patterns, standards, and reference designs for secure-by-design product development across platforms and services.
• Design secure system architectures with product, engineering, and infrastructure teams (API design, LLD, data models) protecting data.
• Lead threat modeling, security design reviews, and risk assessments for complex product initiatives; translate requirements into engineering guidance.
• Provide technical leadership on authentication, authorization, encryption, key management, and secrets handling across domains.
• Guide teams in safely integrating and operating AI/ML-enabled solutions that improve security and product outcomes.
• Influence roadmap and decisions by aligning security architecture with business objectives, regulatory needs, and operational constraints across product areas.

Skills

Product security

Application security

Security architecture

Threat modeling

AI/ML security

Cloud security

Education

Bachelor’s degree in Computer Science or related field

Job description

Expedia Group is seeking a Product Security Architect III to lead secure-by-design architecture across multiple platforms and services. You will partner with product, engineering, and infrastructure teams to design secure systems, lead threat modeling, and drive security controls across data models and APIs.

The role requires deep expertise in security fundamentals, cloud-native security, and AI/ML considerations, with ownership of security architecture for major product areas.