Staff, Network Engineer, Information Security

Walmart • Bentonville, AR

19h • $110,000 - $220,000

About The Position

Walmart is looking for a senior-level engineer to assist in the design, implementation, and modernization of our Network Access Control (NAC) capabilities. This role will drive a multi-year strategy that spans 802.1x deployment, TACACS automation, posture enforcement, and the development of infrastructure-as-code strategy. The ideal candidate combines deep NAC expertise with strong automation and infrastructure-as-code skills, and is comfortable working across large, distributed, multi-vendor environments. About Team: 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

Requirements

• Extensive hands-on experience with 802.1x for wired and wireless networks, including authentication flows, EAP methods, and switchport enforcement.
• Deep understanding of Cisco ISE architecture and configuration, including RADIUS, TACACS+, policy sets, profiling, and posture assessment.
• Experience working in mixed network environments, including Cisco Catalyst/NX-OS and Juniper EX/Mist.
• Practical experience automating infrastructure or network operations using tools appropriate to the environment, such as:
• Background in infrastructure as code using tools like Terraform or similar, with the ability to manage infrastructure through version-controlled declarative configuration.
• Scripting or orchestration frameworks used in network automation
• API-driven automation for network and security platforms
• Solid networking background to include access layer switching, load-balancing, firewalls, and routing.
• Familiarity with Zero Trust concepts and how NAC fits into device posture, identity, and least-privilege access models.
• Experience designing RBAC models and command authorization workflows for network infrastructure.
• Strong communication skills and the ability to work cross-functionally in a large enterprise.
• Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 4years’ experience in network engineering or related area at a technology, retail, or data-driven company.
• Option 2: 6 years’ experience in network engineering or related area at a technology, retail, or data-driven company.

Nice To Haves

• Experience running technology evaluations, vendor assessments, or RFP/RFI processes is a plus.
• Certification in Security+, Network+, GISF, GSEC, CISSP, or CCSP
• Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area and 2 years’ experience leading information security or cybersecurity projects
• We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
• The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

• Help lead the technical execution of Walmart’s NAC strategy, including major initiatives in 802.1x, TACACS, and ZTA posture enforcement.
• Design, deploy, and support NAC policies and controls across campus, stores, and distribution centers.
• Build and maintain automation workflows that eliminate repetitive operational tasks.
• Develop infrastructure-as-code modules and workflows to manage NAC systems and supporting infrastructure in a modern, declarative way.
• Partner closely with teams across Global Tech and InfoSec to deliver integrated solutions.
• Troubleshoot complex NAC issues involving RADIUS, TACACS+, switchport behavior, endpoint posture, and authentication flows across Cisco and Juniper environments.
• Contribute to the evaluation of platforms including viability assessments, POCs, and architectural recommendations.
• Create technical documentation, diagrams, and playbooks to support both operational teams and leadership.

Benefits

• Beyond our great compensation package, you can receive incentive awards for your performance.
• Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
• 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.
• 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, books, and fees are completely paid for by Walmart.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level