Product Security Architect III
AI summary of the role
Expedia Group is hiring a Product Security Architect III to join a small senior team of hands-on architects.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Define and evolve security architecture patterns, standards, and reference designs for secure-by-design product development.
- Partner with product, engineering, and infrastructure teams to design secure system architectures including API design, LLD, and data models.
- Lead threat modeling, security design reviews, and risk assessments for complex product initiatives.
- Provide technical leadership on application security controls (authentication, authorization, encryption, key management, secrets handling).
What you’ll bring
- Bachelor's degree in Computer Science or related technical field, or equivalent experience.
- 5+ years of relevant professional experience.
- Experience in product or application security with hands-on involvement in designing secure architectures for services, APIs, and data models in complex distributed systems.
- Proven ownership of security architecture for a significant product area, including driving security requirements from design through implementation.
Technologies
API design · threat modeling · authentication · authorization · encryption · key management · secrets handling · cloud-native security · CI/CD · AI/ML
About Expedia Group
Operates Expedia, Hotels.com, and Vrbo, connecting travelers with hotels, flights, and vacation rentals while monetizing supply partners via advertising and a B2B distribution marketplace.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
partners with teams across Expedia Group to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. The Product Security Architecture team partners with product, engineering, and platform teams to ensure security and privacy are built into Expedia Group products by design, from ideation through operations. We enable our business partners to build resilient, future-ready solutions that advance Expedia Group's security posture and operational velocity. We focus on secure-by-design product architecture, security assessments, threat modeling, and continuous verification of security requirements across our business products and platforms. You
More from the job description
Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win. We provide a full benefits package, including exciting travel perks, generous time-off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us. Product Security Architect III Our Technology Team partners with teams across Expedia Group to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. The Product Security Architecture team partners with product, engineering, and platform teams to ensure security and privacy are built into Expedia Group p [... source excerpt omitted ...] oup's security posture and operational velocity. We focus on secure-by-design product architecture, security assessments, threat modeling, and continuous verification of security requirements across our business products and platforms. You will join a small, senior team of hands-on product security architects who work across domains and technologies, helping teams make pragmatic security decisions that enable innovation at scale. In this role, you will: Define and evolve security architecture patterns, standards, and reference designs that enable secure-by-design product development across multiple platforms and services. Partner with product, engineering, and infrastructure tea [... source excerpt omitted ...] and data models that protect customer and partner data. Lead threat modeling, security design reviews, and risk assessments for complex product initiatives, translating security requirements into actionable engineering guidance. Provide technical leadership on application security controls (authentication, authorization, encryption, key management, secrets handling) and drive their consistent adoption across domains. Guide teams in safely integrating and operating AI/ML‑enabled and AI-driven solutions, tools, or workflows that improve security and product outcomes, including applying AI/ML concepts to real-world products. Influence roadmap and technical decision-making by aligni
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