
Systems and Infrastructure Engineer III, Information Security - Web Security
Walmart
full-time
Posted on:
Location Type: Hybrid
Location: Sunnyvale • California • Virginia • United States
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Salary
💰 $117,000 - $234,000 per year
About the role
- Create, tune, and enforce Web Application Firewall (WAF) policies across global eCommerce sites
- Continuously evaluate and adapt ingress security policies based on the evolving threat landscape
- Mature our client-side evaluation and fingerprinting capabilities
- Assess and manage protection strategies during active cyber-attacks
- Control and monitor scripted traffic across all digital properties
- Collaborate with network and site reliability teams to secure all ingress points
- Build, deploy, and manage security infrastructure and operations to support overall web security
Requirements
- Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 2 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company
- 4 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company
- Hands-on experience with Web Application Firewall (WAF) management and DDoS mitigation strategies
- Strong knowledge of network and web protocols such as TCP/IP, IPSec, HTTPS, and SSL
- Deep understanding of how web properties and Content Delivery Networks (CDNs) function
- Experience with client-side fingerprinting and behavioral data collection
- Proficiency with log management tools such as Splunk, Kibana, or ArcSight
- Strong scripting skills in at least one language
- Familiarity with cloud platforms including Azure and GCP
- Certification in Security+, GISF, CISSP, CCSP, or GSEC (preferred)
- Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area (preferred)
Benefits
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Applicant Tracking System Keywords
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Hard Skills & Tools
Web Application Firewall (WAF)DDoS mitigationnetwork protocolsweb protocolsTCP/IPIPSecHTTPSSSLclient-side fingerprintingscripting
Certifications
Security+GISFCISSPCCSPGSEC