USA) Principal, Systems and Infrastructure Engineer, Information Security

Position: (USA) Principal, Systems and Infrastructure Engineer, Information Security
Position Summary...

As the Principal Systems and Infrastructure Engineer for Information Security, you will lead the design and implementation of secure, scalable architectures aligned with business and technology strategies. This role involves developing automation solutions, optimizing infrastructure performance, and ensuring compliance with security standards. You will analyze system requirements, drive continuous improvement, and collaborate across teams to enhance system reliability and security. Your expertise in coding, risk management, and infrastructure maintenance will support the delivery of robust, high-availability solutions that meet evolving organizational needs and industry best practices.

About the team:

The team specializes in securing complex enterprise environments by designing and implementing advanced IoT and OT security solutions. It manages a wide range of devices including sensors, cameras, robots, and industrial automation platforms while ensuring compliance with security standards. Focused on collaboration, the team develops scalable, secure infrastructure aligned with business objectives. Members apply expertise in security controls, network management, and software development to protect critical systems and maintain operational resilience across Walmart's technology landscape.

The group provides expert guidance to stakeholders, driving innovation and strong defense strategies to safeguard essential operations.

What you'll do...

* Design, build, and maintain internal security tooling, dashboards, and automation solutions that support the OT/IoT security program

* Own end-to-end CI/CD pipeline architecture and operations for the team's applications - including pipeline design, build automation, environment promotion, and release management

* Develop and maintain backend services and APIs that integrate security platforms (asset management, vulnerability tracking, compliance reporting) with enterprise data sources

* Define and enforce software development standards for the team: branching strategy, code review process, testing requirements, and deployment gates

* Collaborate with security analysts and engineers to translate operational needs into maintainable, production-quality software

* Provide technical mentorship to team members; drive adoption of engineering best practices

What you'll bring:

* Extensive knowledge of information systems security and infrastructure security principles.

* Proficiency in Risk Management Framework and security risk and compliance review processes.

* Strong experience with automation, scripting languages such as Python, and CI/CD pipelines.

* Ability to design scalable, modular architectures aligned with business and technology strategies.

* Expertise in infrastructure maintenance, capacity management, and performance tuning.

* Skilled in coding standards, software development tools, and telemetry implementation.

* Proven capability to analyze requirements, prioritize solutions, and drive continuous improvement.

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  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,…