Staff, Network Engineer, Information Security

Position Summary...

What you'll do...

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 teamWhat you'll do:

• 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.

What you'll bring:

• 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.
• Experience running technology evaluations, vendor assessments, or RFP/RFI processes is a plus.

About Walmart Global TechImagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed.  We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.  Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.  Benefits: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.Equal Opportunity Employer:Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people.The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process. 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 certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart. The annual salary range for this position is $110,000.00 - $220,000.00 Additional compensation includes annual or quarterly performance bonuses.Additional compensation for certain positions may also include : - Stock

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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

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.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no 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 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.

Primary Location...

805 Se Moberly Ln, Bentonville, AR 72712, United States of AmericaWalmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.