Systems and Infrastructure Engineer III, Information Security-Web Security

Walmart
📍 Sunnyvale, CA, United States 💼 Full-time 🕒 Posted June 04, 2026

Job Description

**Position Summary...**
This role is responsible for strengthening the security of all web ingress points across global eCommerce platforms. It focuses on developing and tuning WAF policies, enhancing client‑side detection and fingerprinting, managing defenses during active cyber‑attacks, and controlling scripted traffic. The position also collaborates closely with network and site reliability teams while building and operating the infrastructure that supports the organization’s overall web security posture.

The Edge Ingress Security team plays a critical role in protecting our global eCommerce platforms from a wide range of online threats. From defending against web-based and DDoS attacks to managing unwanted scripted traffic and fraud, we are the gatekeepers of secure digital access. We collaborate closely with network, infrastructure, and product teams to ensure that every ingress flow—across all web properties—is secure, resilient, and adaptive to evolving threats. Our ...

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Job Details

  • Location Sunnyvale, CA
  • Job Type Full-time
  • Category other-general
  • Posted Date June 04, 2026
  • Application Deadline June 09, 2026