(USA) Systems and Infrastructure Engineer III, Information Security, PKI and HSM
The Systems and Infrastructure Engineer III, Information Security, plays a critical role in designing, maintaining, and securing scalable infrastructure solutions aligned with business requirements. This position involves developing modular system architectures, automating workflows, and ensuring compliance with security standards and risk management frameworks. The role supports capacity planning, infrastructure performance, and disaster recovery strategies while adhering to coding and configuration management best practices. Collaboration with stakeholders to analyze requirements and implement robust security controls is essential to safeguard enterprise systems and promote operational excellence within a dynamic technology environment.
About the team:
The team designs, implements, and maintains secure, scalable cryptographic infrastructure aligned with enterprise objectives. It leads modernization efforts for Public Key Infrastructure, Hardware Security Modules, and certificate lifecycle management across on-premises and cloud platforms. Collaborating with security, infrastructure, networking, and application teams, the group emphasizes automation, operational efficiency, and adherence to security standards. Members develop innovative solutions to ensure high availability and reliability of cryptographic services while mentoring peers and driving continuous improvements in infrastructure security and automation practices.
What you'll do:
- Design and develop scalable, secure infrastructure solutions aligned with business requirements and security standards.
- Automate infrastructure deployment and maintenance using scripting and configuration management tools.
- Conduct risk and compliance assessments to support system security plans and disaster recovery strategies.
- Perform routine infrastructure maintenance, including backups, patch management, and performance monitoring.
- Collaborate on requirement analysis, user story creation, and capacity planning to ensure optimal resource utilization.
- Troubleshoot and resolve moderate complexity issues, providing feasible solutions and escalation when necessary.
- Maintain documentation of system designs, configurations, and code revisions adhering to coding and security guidelines.
What you'll bring:
- Proven expertise in Public Key Infrastructure, Hardware Security Modules, and Enterprise Java Bean Certificate Authority (EJBCA) management.
- Strong knowledge of encryption technologies, security controls, and compliance frameworks.
- Experience with automation tools and scripting languages to streamline infrastructure workflows.
- Ability to design scalable, modular, and secure distributed systems aligned with business requirements.
- Familiarity with infrastructure maintenance, disaster recovery planning, and capacity management.
- Skilled in coding standards, secure software development lifecycle, and configuration management processes.
- Certified Information Systems Security Professional (CISSP) or equivalent security certification preferred.
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.
Bentonville, Arkansas US-09050: The annual salary range for this position is $90,000.00 - $180,000.00
Herndon, Virginia US-10710: The annual salary range for this position is $108,000.00 - $216,000.00 Additional 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.
Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 2years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.Option 2: 4 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.Preferred Qualifications...
Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.
Certification in Security+, GISF, CISSP, CCSP, or GSEC, Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.Primary Location...805 Se Moberly Ln., Bentonville, AR 72712, 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.Skills Required
- Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or a related area, plus 2 years of systems and infrastructure engineering or related experience
- 4 years of systems and infrastructure engineering or related experience
- Certification in Security+, GISF, CISSP, CCSP, or GSEC
- Master's degree in computer science, information technology, engineering, information systems, cybersecurity, or a related area
- Knowledge of WCAG 2.2 AA standards, assistive technologies, and digital accessibility practices
Walmart Global Tech Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Walmart Global Tech and has not been reviewed or approved by Walmart Global Tech.
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Strong & Reliable Incentives — Compensation packages typically include base pay, performance bonuses, and stock awards, with access to an employee stock purchase plan. Feedback suggests annual bonus structures and stock grants are a consistent part of total compensation in many roles.
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Retirement Support — Retirement offerings include a company 401(k) match and stock purchase options that support long‑term savings. Feedback suggests these programs are a notable strength within the overall package.
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Parental & Family Support — Family benefits feature paid parental leave and adoption assistance, alongside tax‑advantaged accounts for healthcare spending. Feedback suggests these supports contribute meaningfully to perceived total rewards value.
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Walmart has a long history of transforming retail and using technology to deliver innovations that improve how the world shops and empower our 2.2 million associates. It began with Sam Walton and continues today with Global Tech associates working together to power Walmart and lead the next retail disruption. We’re a high-performing, primarily virtual workforce that is human-led and tech-empowered. Our world-class software engineers, data scientists and engineers, cybersecurity professionals, product managers and business service professionals work with top talent on cutting-edge technologies that create unique and innovative experiences for our associates, customers and members across Walmart, Sam’s Club and Walmart International. At Walmart Global Tech, one line of code or bold idea can make life easier for hundreds of millions of people – talk about epic impact at a global scale.








