Software Engineer III, Information Security

Role Summary

The Software Engineer III, Information Security, provides advanced support for enterprise security services by troubleshooting, analyzing, and resolving complex issues. This role involves designing and implementing security solutions, coordinating with stakeholders, and leading critical incident response efforts. The position requires expertise in software development, system performance monitoring, and security protocols, ensuring alignment with business needs and compliance standards. The engineer contributes to continuous improvement initiatives, documentation, and knowledge sharing, supporting Walmart’s commitment to secure, reliable technology operations and fostering a culture of integrity and excellence.

The Information Security team is dedicated to ensuring customers can shop confidently, knowing their data is protected. Tackling complex cybersecurity challenges, the team applies advanced skills in cryptography, intrusion detection, and infrastructure security to safeguard one of the world’s largest e-commerce platforms. Members demonstrate creativity and technical expertise to modernize cryptographic operations and enhance security measures s team fosters collaboration and continuous improvement, leveraging cutting-edge technologies and best practices to maintain robust protection and support Walmart’s commitment to secure and reliable digital experiences.

• Help shape and execute standards, reference architectures, and best practices for cryptography, PKI, and key management across the enterprise
• Drive modernization of certificate lifecycle management by building internal tools, advancing automation, and delivering analytics that improve visibility, reliability, and operational efficiency
• Partner closely with platform, infrastructure, and application teams to solve complex pain points and deliver scalable tooling solutions
• Apply broad technical depth to deliver well‑documented, production‑ready changes that minimize operational risk and improve service resilience
• Influence Information Security stakeholders by communicating standards, guidance, and best practices that raise the bar for secure and reliable platform operations

• 3–5 years of software engineering experience, including SRE, platform engineering, or infrastructure‑focused role
• Experience with certificate lifecycle management, CLM platforms, PKI, and TLS certificate troubleshooting
• Strong systems thinking, with a deep understanding of infrastructure architecture, distributed workflows, and building resilient, automated platforms at enterprise scale
• A systems‑first mindset, with the ability to think in terms of infrastructure boundaries, data flows, and platform capabilities beyond application logic alone
• Proficiency in Java, Python or Go
• Familiarity with observability concepts, including metrics, logs, and traces
• Experience with cloud platforms such as GCP or Azure, and containerized environments
• Strong understanding of Cryptographic protocols (like TLS, SSH), algorithms and their implementations

• Stock

Walmart offers competitive pay, performance‑based bonuses, and a comprehensive benefits package. 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, parental leave, family care leave, bereavement, jury duty, and voting. Additional benefits include short‑term and long‑term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

Herndon, Virginia – The annual salary range for this position is $ – $

Bentonville, Arkansas – The annual salary range for this position is $90,000.00 – $. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include stock.

2245 Monroe St, Herndon, VA 20171, United States of America

Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and have a no‑tolerance policy regarding the use of illegal drugs and alcohol on the job. This…