Senior Systems And Infrastructure Engineer, Information Security

Position Summary...

Walmart is seeking a Security Automation Engineer to help design, implement, and modernize automation for our Endpoint security infrastructure. This role will focus on automating the deployment, configuration, and lifecycle management of EDR solutions, as well as building scalable endpoint solutions with Infrastructure as Code, Automate system reporting, and work with diverse platforms and datasets.

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. The ideal candidate is comfortable working across systems, networks, and APIs, and brings a strong foundation in Python, system administration, and software development fundamentals.

At Walmart, we prioritize innovation, reliability, and security at enterprise scale. Our team supports critical endpoint systems and security platforms that enable secure access, protect sensitive data, and ensure consistent policy enforcement across stores, offices, and distribution centers.

We work closely with partners across Global Tech and Information Security to deliver automation-first solutions that improve operational efficiency, reduce risk, and support Walmart’s evolving infrastructure and security strategy.

• Design, build, and maintain automation for the deployment, configuration, and ongoing management of EDR platforms.
• Develop automation to support everyday tasks such as password rotations, certificate management.
• Build workflows to automate infrastructure maintenance, including routine health checks, upgrades, and operational validation.
• Implement solutions to enforce configuration standards using templates or baselines, and monitor for configuration drift over time.
• Integrate automation with varying security platforms using RESTful APIs.
• Administer and troubleshoot Linux and Windows systems that support automation and security tooling.
• Develop and maintain Python-based automation scripts and services, applying best practices for logging, error handling, and maintainability.
• Read and interpret API documentation and integrate with internal and external services.
• Contribute to CI/CD pipelines for automation and infrastructure code.
• Use Git-based workflows for version control, collaboration, and code reviews.
• Partner with cross-functional engineering and security teams to deliver reliable, scalable solutions.
• Create and maintain technical documentation to support operational teams and ongoing improvements.

• Hands‑on experience working with Linux and Windows operating systems, including system administration fundamentals.
• Working knowledge of Python programming, with the ability to read, understand, and modify existing code.
• Experience interacting with RESTful APIs and understanding HTTP methods (GET, POST, PUT, PATCH, DELETE).
• Strong working knowledge of SQL database, database methodologies, and SQL Query language.
• Familiarity with asynchronous programming concepts (e.g., async/await).
• Experience using Git for version control, including branching and collaborative workflows.
• Strong troubleshooting skills across systems, applications, and infrastructure layers.
• Experience working in a large‑scale enterprise network environment.
• Experience automating infrastructure maintenance or operational workflows.
• Familiarity with configuration compliance, including enforcing standards and detecting configuration drift.
• Strong communication skills and the ability to work cross‑functionally in a large organization.
• Experience with AV platforms and EDR systems.

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,…