(USA) Senior Systems and Infrastructure Engineer, Information Security
Summary
Designs and maintains Walmart’s cryptographic infrastructure (PKI, HSMs, CLM) to secure enterprise systems, automates certificate workflows, and collaborates with security/cloud teams to protect critical workloads.
Position Summary PKI/HSM is responsible for engineering, automating, and supporting Walmart's enterprise cryptographic infrastructure, including Public Key Infrastructure (PKI), Certificate Lifecycle Management (CLM), and Hardware Security Modules (HSMs). This role designs secure, scalable cryptographic services, enables certificate automation and workload identity, manages enterprise key infrastructure, and partners with security, cloud, infrastructure, and application teams to protect critica…