Systems and Infrastructure Engineer Iii, Information Security, Iam/pam

Walmart Walmart · Retail · Bentonville, AR +1

Walmart InfoSec is seeking a Systems and Infrastructure Engineer III, Information Security to join the Linux IAM team responsible for designing, building, and operating Linux Identity and Privileged Access Management (PAM) capabilities within the Security IAM domain. The role focuses on implementing secure authentication, authorization, and access controls across large-scale Linux environments, securing privileged accounts, sessions, and credentials using PAM platforms. They will partner with engineering and platform teams to enforce least-privilege access, meet compliance requirements, and deliver automation that improves security, scalability, and operational reliability.

What you'd actually do

  1. Implement and maintain a robust LInux Identity Directory Services and Privileged Access Management (PAM) solution, ensuring secure and efficient provisioning, rotation, monitoring, and deprovisioning of privileged accounts throughout their lifecycle.
  2. Leverage automation tools to streamline user privileged access management and maintain a secure access environment.
  3. Develop partnerships with other InfoSec teams, platform, application teams and software vendors providing Linux Identity and PAM software for onboarding PAM controls and address any issues.
  4. Craft Secure Access: Design, implement, and refine enterprise-wide PAM solutions. Continuously strengthen security through risk management, monitoring, and access control optimization.
  5. Master Privileged Identities: Manage the Privileged human, machine, and service account access across platforms. Implement RBAC and risk-based controls for least-privilege access.

Skills

Required

  • Strong fundamentals of IAM – Identity, Authentication (different factors of authentication), Authorization
  • Be comfortable with using commands and scripting on both Windows and Linux systems.
  • Proven ability to design, architect, and implement secure PAM solutions such as (Thycotic, BeyondTrust, CyberArk, Akeyless) at scale.
  • Deep understanding of risk-based access control principles and RBAC modeling.
  • Proven experience in implementing and managing the entire privileged account lifecycle (provisioning, rotation, monitoring, and deprovisioning) across multiple platforms.
  • Extensive hands-on experience installing and upgrading LIDS and PAM products on Linux and Windows, ensuring efficient and successful deployments.
  • Experience with automating local administrator, root, database accounts and non-human account onboarding.
  • Strong integration expertise and API development skills.
  • Experience at enterprise-level corporations (either in retail, financial services, or healthcare)
  • Experience with management platforms such as PRTG and Splunk
  • Working with some flavor of Linux Infrastructure
  • Shell / BASH scripting or other scripting language like Python
  • Good understanding of modern Infrastructure deployment methodologies – Virtual Machine, Containers, DevOps, IaaC, Cloud IAAS etc..
  • Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 2years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.
  • 4 years’ experience in systems and infrastructure engi

Nice to have

  • A desire to constantly learn from others and stay aware of new industry trends.

What the JD emphasized

  • design, architect, and implement secure PAM solutions
  • implementing and managing the entire privileged account lifecycle
  • automating local administrator, root, database accounts and non-human account onboarding
  • enterprise-level corporations