Staff, Network Engineer, Information Security

Position Summary...

At Walmart, we prioritize innovation and data security. Our team is dedicated to maintaining a secure operating environment and preserving the trust of our customers, associates, and stakeholders. We combine a range of services and expertise to prevent fraud, detect threats, and manage digital risk and access. Our focus is on mitigating attack risks, securing cloud transformation, and fostering a culture of security and reliability within our team

What you'll do...

• 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). 
• 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. 
• Strong understanding of core networking concepts such as routing, switching, VLANs, DNS, and DHCP. 
• Experience with network/cloud segmentation platforms and strategies.
• 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. 

What you'll bring:

• Design, build, and maintain automation for the deployment, configuration, and ongoing management of on-premises and cloud firewall platforms. 
• Develop automation to support network segmentation and policy lifecycle management, reducing manual and error-prone operational tasks. 
• 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 network and 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. 

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 certificat