(USA) Software Engineer III, Information Security

Position Summary...

What you'll do...

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. About the team: 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 at scale. This 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. What you'll do:

• 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 closelywith 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

What you'll bring:

• 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

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. Herndon, Virginia US-10710: The annual salary range for this position is $108,000.00 - $216,000.00 Bentonville, Arkansas US-09050: The annual salary range for this position is $90,000.00 - $180,000.00Additional compensation includes annual or quarterly performance bonuses.Additional compensation for certain positions may also include : - Stock

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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.

Bachelor’s degree in Computer Science, Information Technology, or related field and 3 years' experience in information technology within the past 7 years OR 5 years' experience in information technology or related field within the past 7 years OR a Master's degree in Computer Science, Information Technology, or related field.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Certified Intrusion analyst (GCIAs), GIAC Certified Enterprise Defender (GCED), Certified Geographic Information Systems Professional (GISP), GIAC Certified Incident Handler (GCIH), Certified Information Systems Security Professional (CISSP), Certified Secure Software Lifecycle Professional (CSSLP), Certified Information Systems Auditor (CISA), and/or Security+ certification, Mainframe Technology, Programming language or languages (for example, Java, C/C++, .NET, Rexx, Cobol, Powershell), SAP, Version control software (for example, Subversion, Git, Librarian), Working as a project or team lead, Writing SQL queries in a database platform (for example, Oracle, DB2, SQL Server).

Primary Location...

2245 Monroe St, Herndon, VA 20171, 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.