(USA) Principal, Software Engineer, Information Security

Position Summary...

The Principal Software and Infrastructure Engineer, DS Core leads the design, implementation, and ongoing evolution of Walmart’s enterprise-scale Active Directory Service Fabric. They will serve as a Strategic Infrastructure & Platform Automation Lead that will require deep technical expertise to architect a secure, highly available hybrid environment that seamlessly integrates physical and virtual identity infrastructure. The ideal candidate drives architectural decisions and strategic roadmaps with an "Automation First" mindset, ensuring the scalability and resilience of the organization’s foundational identity platform regardless of the underlying hardware.

What you'll do...

• Architect and deploy a secure, highly available Active Directory Service Fabric spanning multiple environments, domains, and forests.
• Provide expert operational oversight for core directory services, specifically LDAP, Replication (SYSVOL and Active Directory), and Kerberos on Domain Controllers.
• Lead the design of a hybrid architecture that optimizes resource utilization across both physical and virtual platforms.
• Drive the adoption of Infrastructure as Code (IaC) to programmatically manage the lifecycle, configuration, and security of the identity fabric.
• Design and implement Zero Trust security solutions, ensuring strict isolation of domain controllers from shared administrative access.
• Ensure all AD architectures and controls align with industry standards (NIST, PCI DSS) and corporate security policies.
• Develop and influence short- and long-term roadmaps for directory services, focusing on high availability and software-defined modernization.
• Perform formal AD DS capacity planning and system benchmarks to ensure performance and scalability across the hybrid landscape.
• Champion "Self-Healing" infrastructure initiatives, using automation to detect and recover from systemic directory anomalies.
• Design, implement, and maintain advanced monitoring and alerting solutions to detect indicators of compromise and ensure operational health.
• Consult with application, platform, and infrastructure teams on integration patterns and best practices.
• Mentor engineers and provide technical leadership across teams to foster a culture of engineering excellence.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field; advanced degree preferred.
• 10+ years of experience in enterprise Active Directory engineering and infrastructure architecture.
• Proven expertise in both physical hardware lifecycles and virtualization technologies such as VMware or Hyper-V.
• Demonstrated mastery of Automation and Scripting (PowerShell, Python, or Go) to manage complex server populations.
• Deep knowledge of AD topology design, replication optimization, and security protocols.
• Excellent communication, documentation, and project leadership skills.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.
For information about PTO, see https://one.walmart.com/notices.
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
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-09050 | Sunnyvale, California US-11939: The annual salary range for this position is $110,000.00 - $220,000.00

Bellevue, Washington US-11663 | Herndon, Virginia US-10710: The annual salary range for this position is $132,000.00 - $264,000.00
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 5years’ experience in software engineering or related area at a technology, retail, or data-driven company.

Option 2: 7 years’ experience in software 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 and 3 years’ experience leading information security or cybersecurity projects, 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.

Primary Location...

805 Se Moberly Ln., Bentonville, AR 72712, United States of AmericaWalmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

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