Distinguished Systems and Infrastructure Engineer - Information Security

Position Summary...

What you'll do...

Role summary:
As a Distinguished Systems and Infrastructure Engineer in Information Security, you will lead the design and implementation of scalable, secure infrastructure solutions across complex systems. This role requires deep expertise in architectural principles, security frameworks, and automation to ensure robust system performance and compliance. You will collaborate with cross-functional teams to translate business requirements into technical strategies, drive innovation in security practices, and oversee infrastructure maintenance and capacity planning. Your contributions will be critical in advancing Walmart’s technology landscape while maintaining high standards of security and operational excellence.
About the team:
The AI Security Team develops and maintains advanced security frameworks to safeguard AI-driven assets across the enterprise. They address risks related to Generative AI and Agentic Workflows, including prompt injection and model supply chain challenges. Utilizing expertise in systems engineering, cloud migration, continuous integration, and software development, the team builds secure, scalable infrastructure. Their proactive strategies enhance defenses against emerging threats, ensuring robust protection of critical organizational resources. This team enables the delivery of innovative AI solutions while maintaining resilient security measures aligned with enterprise standards and best practices.
What you'll do:

•  Review internal AI projects, pipelines, and architectures for security gaps, and drive mitigations.
• Analyze emerging global threats and risks related to AI, and update our security policies, playbooks, and standards accordingly.
• Define and refine scalable security processes and controls for AI and Agentic systems across their lifecycle.
• Collaborate with engineers and product teams to implement secure-by-default patterns in CI/CD and MLOps workflows.
• Build reference implementations and prototypes to validate security controls in real-world AI environments.
• Act as a mentor and trusted advisor on secure engineering and AI safety topics..
• Drive continuous improvement by adopting emerging technologies and industry standards within the security domain.

What you'll bring:

•   Python programming skills securing agent execution environments, validate and sanitize structured model outputs/tool calls, or arbitrary execution in dynamic evaluation workflows.
•  Experience integrating automated AI security testing—prompt injection, model scanning and dependency vulnerability checks.
•  Experience isolating autonomous agent runtimes and untrusted tool executions using hardened container environments.
•  Best practices to audit, track, and enforce peer review for system prompts, agent tool schemas, and policy-as-code, preventing prompt tampering.
•  Proficiency in defining immutable, secure Linux environments for AI workloads, configuring runtime guardrails, OS-level sandboxing
• Knowledge of multi-agent design patterns, state management, and blast-radius containment, ensuring agents operate safely within deterministic boundaries

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.
The annual salary range for this position is $130,000.00 - $260,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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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 6years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.

Option 2: 8 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 and 4 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.