Senior Network Engineer, Information Security

Position Overview

Walmart is seeking a Security Automation Engineer to help design, implement, and modernize automation for our network and security infrastructure. In this role, you will automate the deployment, configuration, and lifecycle management of NAC and DLP platforms, build scalable solutions for network assurance, and enforce configuration standards across large, distributed enterprise environments. Collaboration with Global Tech and Information Security teams to enhance operational efficiency, reduce risk, and support Walmart’s evolving infrastructure and security strategy is key.

Key Responsibilities

• Design, build, and maintain automation for the deployment, configuration, and ongoing management of NAC and DLP platforms.
• Develop automation to support network assurance and policy lifecycle management, reducing manual and error-prone 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.
• Integrate automation with network and security platforms using RESTful APIs.
• Administer and troubleshoot Linux and Windows systems supporting automation and security tooling.
• Develop and maintain Python-based automation scripts and services with best practices for logging and error handling.
• Read and interpret API documentation to integrate with internal and external services.
• Contribute to CI/CD pipelines for automation and infrastructure code.
• Utilize 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.

Required Qualifications

• Hands-on experience with Linux and Windows operating systems, including system administration fundamentals.
• Working knowledge of Python programming and experience interacting with RESTful APIs using HTTP methods.
• Familiarity with asynchronous programming concepts and proficiency using Git for version control and collaborative workflows.
• Strong troubleshooting skills across systems, applications, and infrastructure layers.
• Experience in large-scale enterprise network environments with a solid understanding of networking concepts such as routing, switching, VLANs, DNS, and DHCP.
• Proven experience in automating infrastructure maintenance and enforcing configuration compliance.
• Excellent communication skills and the ability to work cross-functionally in a large organization.
• Option 1: Education: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or a related area and Experience Required: 3 years’ experience in network engineering or a related area at a technology, retail, or data-driven company.
• Option 2: Experience Required: 5 years’ experience in network engineering or a related area at a technology, retail, or data-driven company.

Preferred Qualifications

• Certification in Security+, Network+, GISF, GSEC, CISSP, or CCSP; Master’s degree in computer science, information technology, engineering, information systems, cybersecurity or related field; and 1 year’s experience leading information security or cybersecurity projects.
• Experience in creating inclusive digital experiences, including implementing WCAG 2.2 AA standards, assistive technologies, and digital accessibility best practices.

Benefits & Perks

• Salary: $90,000.00 - $180,000.00
• Compensation: Annual or quarterly performance bonuses and stock awards.
• Benefits: Comprehensive health benefits including medical, vision, and dental coverage; financial benefits such as 401(k), stock purchase, and company-paid life insurance; and generous PTO policies.
• Location: 805 Se Moberly Ln, Bentonville, AR 72716, United States of America