Systems And Infrastructure Engineer, Information Security

Position Summary

Walmart is seeking a Staff Systems and Infrastructure Engineer specializing in Information Security to design, develop, and maintain secure, scalable infrastructure solutions. This role will focus on the deployment and lifecycle management of the team’s infrastructure, implementing automation for operational efficiency, and building scalable security platforms with Infrastructure as Code. You will play a key role in reducing manual operational effort by developing automation for infrastructure maintenance, enforcing configuration standards, and monitoring for configuration drift across large, distributed enterprise environments.

Your expertise will contribute to optimizing reliability, availability, and security within an evolving technology environment.

The team is responsible for designing, building, and supporting scalable security infrastructure that ensures secure remote access, email protection, and safe Internet connectivity. They focus on maintaining robust infrastructure security through continuous integration, automation, and configuration management. The team applies risk management frameworks and security engineering principles to safeguard IT systems. Collaboration drives the development of reliable, efficient, and secure solutions that align with business needs while adhering to established security standards and best practices.

• Design and develop scalable, secure infrastructure solutions aligned with business and security requirements for remote access, email security, and web gateways.
• Analyze system performance and nonfunctional requirements to ensure reliability, efficiency, and security.
• Automate operational processes using scripting and configuration management tools to enhance system responsiveness.
• Maintain up-to-date documentation on deployments, processes, and standard operating procedures.
• Build workflows to automate infrastructure maintenance and configuration management, including routine health checks, upgrades, and operational validation.
• Use Git-based workflows and contribute to CI/CD pipelines for infrastructure code and automation tools.
• Collaborate with cross‑functional teams to implement security policies and resolve infrastructure issues promptly.

• Experience working in a large‑scale enterprise network environment with strong troubleshooting skills across systems, applications, and infrastructure.
• Experience with security infrastructure such as secure web gateways, email security tools, firewalls, and load balancers.
• Experience automating infrastructure maintenance and operational workflows.
• Working knowledge of Python programming, with the ability to read, understand, and modify existing code.
• Experience with infrastructure continuous integration and continuous delivery concepts.
• Familiarity with configuration compliance, including enforcing standards and detecting configuration drift.
• Experience using Git for version control, including branching and collaborative workflows.
• Strong communication skills and the ability to work cross‑functionally in a large organization.

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…