Systems and Infrastructure Engineer Iii, Information Security-web Security

Walmart Walmart · Retail · Crossman Respect Building CA SUNNYVALE, HERNDON, VA TECH FACILITY VA Herndon

This role focuses on strengthening the security of web ingress points for global eCommerce platforms by developing and tuning WAF policies, enhancing client-side detection, managing defenses during cyber-attacks, and controlling scripted traffic. It involves building and operating security infrastructure in collaboration with network and site reliability teams.

What you'd actually do

  1. Create, tune, and enforce Web Application Firewall (WAF) policies across global eCommerce sites
  2. Continuously evaluate and adapt ingress security policies based on the evolving threat landscape
  3. Mature our client-side evaluation and fingerprinting capabilities
  4. Assess and manage protection strategies during active cyber-attacks
  5. Control and monitor scripted traffic across all digital properties

Skills

Required

  • Web Application Firewall (WAF) management
  • DDoS mitigation strategies
  • network and web protocols (TCP/IP, IPSec, HTTPS, SSL)
  • client-side fingerprinting
  • behavioral data collection
  • log management tools (Splunk, Kibana, or ArcSight)
  • scripting skills
  • cloud platforms (Azure and GCP)

Nice to have

  • security-first mindset
  • access control
  • application security
  • network security
  • architecture
  • network and security tools (Firewalls, DNS)
  • analytical skills
  • problem-solving skills
  • interpersonal communication skills
  • collaborative spirit
  • proactive and self-driven attitude
  • Security+ certification
  • GISF certification
  • CISSP certification
  • CCSP certification
  • GSEC certification
  • Master's degree

What the JD emphasized

  • web security
  • ingress points
  • eCommerce platforms
  • online threats
  • scripted traffic
  • fraud