Systems and Infrastructure Engineer III, Information Security, IAM/PAM
Walmart
Other Engineering, IT
Posted on Mar 26, 2026
Position Summary...
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 Systems and Infrastructure Engineer III, Information Security, 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'll do...
- 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.
- Leverage automation tools to streamline user privileged access management and maintain a secure access environment.
- 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.
- Craft Secure Access: Design, implement, and refine enterprise-wide PAM solutions. Continuously strengthen security through risk management, monitoring, and access control optimization.
- Master Privileged Identities: Manage the Privileged human, machine, and service account access across platforms. Implement RBAC and risk-based controls for least-privilege access.
- Champion proactive incident response initiatives, leading investigations and remediation efforts for potential privileged account breaches or misuse.
- Architect & Integrate Seamlessly: Design and troubleshoot advanced PAM solutions, providing documentation and recommendations. Manage Account/Password Management tools and automate access provisioning/deprovisioning. Drive secure integrations across systems.
- 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..
- A desire to constantly learn from others and stay aware of new industry trends.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
Bentonville, Arkansas US-09401: The annual salary range for this position is $90,000.00 - $180,000.00
Herndon, Virginia US-10710: The annual salary range for this position is $108,000.00 - $216,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
- Stock
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Minimum Qualifications...
Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.
Option 1: 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.Option 2: 4 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.
Preferred Qualifications...
Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.
Certification in Security+, GISF, CISSP, CCSP, or GSEC, Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.
