Senior Security Platform Engineer - AI & Zero-Trust

Expedia, Inc.; San Jose (CA); On-site; USD 249,000 - 349,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Paid time off

Employee Assistance Program

Wellness & travel reimbursement

Travel discounts

IATAN membership

Job summary

Expedia Group’s Product Security organization seeks a Principal Cybersecurity Engineer to design and operate security platforms, embed controls in high‑velocity engineering workflows, and lead enterprise security programs across AWS, multi‑cloud, and AI-enabled systems.

The role focuses on building scalable security infrastructure, zero‑trust models, and secure software delivery at Expedia Group’s scale in San Jose, with collaboration across engineering and product teams.

Qualifications

• 15+ years of hands‑on cybersecurity experience at enterprise scale.
• Deep AWS security expertise and cloud security operations.
• Proven SDLC security architecture across large orgs.

Responsibilities

• Design and operate security platforms and reference architectures.
• Embed security controls into CI/CD and cloud pipelines.
• Build and maintain secrets management and workload identity.
• Lead zero‑trust and service mesh security implementations.
• Enforce security policies and compliance frameworks.

Skills

15+ years cybersecurity

AWS expertise

Security architecture

Zero-trust security

Threat detection

CI/CD security integration

Collaboration with engineering

Education

Bachelor's degree in CS or related

Tools

Istio

Envoy

SAST/DAST/SCA tooling

CI/CD tooling

AWS tooling

Job description

Expedia Group’s Product Security organization seeks a Principal Cybersecurity Engineer to design and operate security platforms, embed controls in high‑velocity engineering workflows, and lead enterprise security programs across AWS, multi‑cloud, and AI-enabled systems.

The role focuses on building scalable security infrastructure, zero‑trust models, and secure software delivery at Expedia Group’s scale in San Jose, with collaboration across engineering and product teams.