(USA) Principal, Software Engineer, Information Security

Walmart • Bentonville, AR

1d • Onsite

About The Position

The Principal Software Engineer, Information Security, leads the design and development of secure, scalable software solutions aligned with business objectives. The role collaborates with cross-functional teams to address complex technical challenges, ensure adherence to coding standards, and drive implementation of telemetry and automation features. It requires expertise in cloud application development, cybersecurity frameworks, and programming languages to deliver high-quality, maintainable products. The engineer influences technical outcomes, supports stakeholder engagement, and promotes continuous improvement to enhance security and operational efficiency.

The role is part of Walmart’s AI Security Team, which designs and maintains security frameworks to protect enterprise AI assets. The team addresses risks associated with generative AI and agentic workflows, including prompt injection and model supply-chain challenges, and builds secure, scalable infrastructure using systems engineering, cloud migration, continuous integration, and software development expertise.

The position also focuses on agent-system threat modeling; securing tools, MCP servers, integrations, and multi-agent communications; software supply-chain security and model governance; and collaboration with security, legal, privacy, and product teams to establish autonomy levels and acceptable use aligned with standards such as NIST AI RMF.

Requirements

• Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or a related area, and 5 years of experience in software engineering or a related area at a technology, retail, or data-driven company.
• Option 2: 7 years of experience in software engineering or a related area at a technology, retail, or data-driven company.

Nice To Haves

• Certification in Security+, GISF, CISSP, CCSP, or GSEC.
• Master’s degree in computer science, information technology, engineering, information systems, cybersecurity, or a related area, and 3 years of experience leading information security or cybersecurity projects.
• Knowledge of implementing WCAG 2.2 AA standards, assistive technologies, and digital accessibility best practices.

Responsibilities

• Lead the design and development of secure software solutions aligned with business requirements and industry standards.
• Collaborate with stakeholders to identify technical needs and deliver scalable, high-availability systems.
• Guide teams on coding standards, frameworks, and security best practices to support robust application performance.
• Drive implementation of telemetry and monitoring to improve system reliability and security posture.
• Oversee defect management processes, ensuring timely resolution and continuous improvement.
• Analyze business problems and recommend technology solutions that support organizational goals.
• Facilitate integration of automation scripts within CI/CD pipelines to optimize development workflows.
• Threat-model agent systems using frameworks such as OWASP Top 10 for LLM Applications and MITRE ATLAS.
• Secure tools, MCP servers, and integrations by reviewing tool schemas and descriptions, validating inputs and outputs, and sandboxing code execution and browsing.
• Secure multi-agent and agent-to-agent communication, including scoped delegation and protection against privilege escalation and injected instructions.
• Support secure software supply-chain practices and model governance, including vetting base models and fine-tunes.
• Work with security, legal, privacy, and product teams to set autonomy levels, define acceptable use, and align with standards such as NIST AI RMF.

Benefits

• Competitive pay and performance-based bonus awards.
• Medical, vision, and dental coverage.
• 401(k), stock purchase, and company-paid life insurance.
• Paid time off, including sick leave, parental leave, family care leave, bereavement leave, jury duty leave, and voting leave.
• Short-term and long-term disability.
• Company discounts.
• Military Leave Pay.
• Adoption and surrogacy expense reimbursement.
• PTO and/or PPTO for vacation, sick leave, holidays, or other purposes.
• Live Better U education benefit program, with tuition, books, and fees paid for eligible programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal