(USA) Principal, Software Engineer, Information Security

Role summary:

As a Principal Software Engineer in Information Security, you will lead the design and implementation of secure, scalable software solutions that align with business objectives. This role requires collaboration with cross-functional teams and stakeholders to address complex technical challenges, drive innovation, and ensure compliance with security standards. You will guide development practices, oversee code quality, and contribute to continuous improvement efforts. Leveraging expertise in software architecture, coding, and security frameworks, you will influence technical strategy and deliver solutions that protect critical assets while supporting organizational goals.

About the team:

The AI Security Team designs and maintains advanced security frameworks to protect AI-driven assets enterprise-wide. They address risks associated with Generative AI and Agentic Workflows, including prompt injection and model supply chain challenges. Leveraging expertise in systems engineering, cloud migration, continuous integration, and software development, the team builds secure, scalable infrastructure. Their proactive approach strengthens defenses against emerging threats, ensuring robust protection of critical resources. This team supports the delivery of innovative AI solutions while upholding resilient security measures aligned with enterprise standards and best practices.

What you'll do:

• Threat modeling agent systems. Knowledge of frameworks like the OWASP Top 10 for LLM Applications and MITRE ATLAS, .
• Securing tools, MCP servers and integrations. review tool schemas and descriptions, validate inputs and outputs, and sandbox code execution and browsing.
• Securing multi-agent and agent-to-agent communication. scoped delegation, and protection against privilege escalation or injected instructions.
• Secure software supply chain and model governance. This covers vetting base models and fine-tunes, such as the open-weight derivatives
• Governance, policy and collaboration. Work with security, legal, privacy and product teams to set autonomy levels, define acceptable use, and align with standards like NIST AI RMF.

What you'll bring:

• Extensive experience in software engineering with strong proficiency in Python and coding standards.
• Deep understanding of information security principles, AI security, and agentic AI systems.
• Proven ability to design scalable, secure software architectures and solutions aligned with business requirements.
• Expertise in stakeholder management, including identification, engagement, and communication to influence technical outcomes.
• Skilled in driving telemetry implementation, defect management, and continuous integration/continuous delivery (CI/CD) processes.
• Strong analytical skills to translate business needs into technical solutions and lead cross-functional collaboration.
• Experience guiding teams on coding frameworks, testing strategies, and quality assurance best practices.

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 $110,000.00 - $220,000.00

Additional compensation includes annual or quarterly performance bonuses.

Additional compensation for certain positions may also include :

• Stock