(USA) Principal, Software Engineer, Information Security
About The Position
The Principal Software Engineer, Information Security, leads the design and implementation of secure, scalable software solutions aligned with business objectives. The role applies expertise in coding standards, security protocols, and emerging technologies to drive innovation and maintain system integrity. It collaborates with cross-functional teams and stakeholders to promote technical excellence, mitigate risk, and continuously improve systems. The position also guides development practices, oversees testing strategies, and supports operational readiness to deliver high-quality, reliable products that meet evolving security and performance requirements. The role is part of Walmart’s AI Security Team, which develops and maintains security frameworks for enterprise AI assets. The team addresses risks related to 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 focuses on threat modeling agent systems; securing tools, MCP servers, integrations, and multi-agent communications; governing software supply chains and models; and collaborating with security, legal, privacy, and product teams on policies, acceptable use, and standards such as the NIST AI RMF.
Requirements
- Extensive software engineering experience with a strong focus on information security principles and practices.
- Proficiency in Python programming.
- Familiarity with coding standards, frameworks, and platforms such as Microsoft Azure and AWS.
- Expertise in solution design, including scalable and secure architectures and telemetry implementation.
- Ability to analyze business requirements and translate them into technical solutions aligned with organizational goals.
- Strong stakeholder management skills and clear communication of complex technical concepts.
- Proven capability in quality assurance, testing strategies, and defect management.
- Experience leading teams and mentoring associates.
- 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 creating inclusive digital experiences and implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards.
- Knowledge of assistive technologies and integrating digital accessibility into products and services.
Responsibilities
- Threat-model agent systems using frameworks such as the 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 through scoped delegation and protection against privilege escalation or injected instructions.
- Support secure software supply chains and model governance, including vetting base models and fine-tunes such as open-weight derivatives.
- Collaborate with security, legal, privacy, and product teams to establish autonomy levels, define acceptable use, and align with standards such as the NIST AI RMF.
- Design and implement secure, scalable software solutions aligned with business objectives.
- Guide development practices, oversee testing strategies, and support operational readiness.
- Analyze business requirements and translate them into technical solutions aligned with organizational goals.
- Drive quality assurance, testing strategies, and defect management processes.
- Lead teams and mentor associates to promote high performance and continuous improvement.
- Build stakeholder partnerships and communicate complex technical concepts clearly.
Benefits
- Medical, vision, and dental coverage.
- 401(k).
- Stock purchase.
- 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.
- Live Better U education benefit, with tuition, books, and fees paid for eligible programs.
- Performance-based bonuses.
- Stock may be included as additional compensation for certain positions.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
