Systems and Infrastructure Security Specialist

4 weeks ago


Reston, Virginia, United States Walmart Full time
About the Role

We are seeking a highly skilled Systems and Infrastructure Security Specialist to join our team at Walmart Global Tech. As a key member of our Edge Ingress Security team, you will play a critical role in securing our global internet sites and apps.

Your primary responsibility will be to implement innovative security solutions and apply best practices to defend our eCommerce and corporate web properties against various web-based attacks, DDoS attacks, unwanted scripted traffic, and fraud.

Key Responsibilities
  • Log analysis to identify anomalous or scripted traffic, layer 7 attacks, account takeover, and fraud.
  • Evaluating security events and key metrics from dashboards and alerts.
  • Proactively hunting for anomalous or fraudulent traffic.
  • Developing and deploying bot mitigation across dozens of Walmart's global eCommerce sites.
  • Managing bot traffic during hype sales events.
  • Building and improving reporting, dashboards, and alerting.
  • Managing and documenting resolutions to technical issues and RCA of security incidents.
  • Working with site teams to review and classify bot traffic.
Requirements
  • Possession of a Bachelor's degree in computer science, engineering, or related field, or equivalent work experience in Information Security.
  • Strong analytical skills and experience using Splunk or a comparable log analysis solution.
  • Experience in network and web-related protocols (TCP/IP, HTTP, HTTPS, SSL, etc.) and strong web infrastructure and security fundamentals (JavaScript, HTML, Cookies, DDoS).
  • Familiarity with at least one scripting language and one Database language.
  • A strong sense of accountability and self-motivation, as well as excellent communications skills both written and verbal.
About Walmart Global Tech

At Walmart Global Tech, we are a team of software engineers, data scientists, cybersecurity experts, and service professionals who make an epic impact and are at the forefront of the next retail disruption. We prioritize innovation and data security, and our team is dedicated to maintaining a secure operating environment and preserving the trust of our customers, associates, and stakeholders.

We combine a range of services and expertise to prevent fraud, detect threats, and manage digital risk and access. Our focus is on mitigating attack risks, securing cloud transformation, and fostering a culture of security and reliability within our team.



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