(USA) Network Engineer III, Information Security

Walmart•Herndon, VA

9h•$108,000 - $216,000

About The Position

The Network Engineer III, Information Security, plays a critical role in designing, implementing, and maintaining secure network infrastructures aligned with business objectives and industry standards. This position involves analyzing requirements, developing architectural blueprints, and ensuring network performance through monitoring and maintenance. The role requires expertise in risk management, vulnerability assessment, and security controls to safeguard information systems. Collaborating across teams, the engineer supports issue resolution and continuous improvement initiatives, contributing to the resilience and integrity of the network environment while adhering to established policies and best practices. About the team: This specialized team manages and secures dedicated networks and platforms supporting Information Security Operations, development, and forensic labs across multiple sites. They ensure the confidentiality, integrity, and availability of technical environments to enable threat detection, incident response, vulnerability analysis, and digital forensics. The team designs and maintains secure network segments and isolated environments, supporting sensitive investigations and advanced security research. Collaborating with leadership, security operations, development, and forensic specialists, they provide the essential infrastructure that underpins effective and timely security operations, safeguarding the organization from cyber threats and supporting critical activities wherever required.

Requirements

Proven expertise in network design, including architectural blueprint development and advanced routing, addressing, and security protocols.
Strong knowledge of network security principles, vulnerability scanning, and threat modeling to safeguard information systems.
Experience with risk management frameworks and implementation of security controls in complex network environments.
Proficiency in network monitoring, alerting tools, and performance metrics to ensure system reliability and adherence to SLAs.
Ability to analyze and resolve network issues efficiently, applying escalation protocols and root cause investigation.
Familiarity with coding standards and automation scripting to support network operations and security compliance.
Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 2years’ experience in network engineering or related area at a technology, retail, or data-driven company.
Option 2: 4 years’ experience in network engineering or related area at a technology, retail, or data-driven company.

Nice To Haves

Certification in Security+, GISF, GSEC, CISA, CISSP, or CCSP
Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area
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

Analyze and document network requirements, ensuring alignment with business and technical needs.
Design and develop secure network architectures, incorporating industry standards and best practices.
Monitor network performance using established metrics and tools to maintain optimal availability and reliability.
Develop and execute network maintenance plans, addressing faults and implementing enhancements within design scope.
Investigate and resolve network incidents promptly, adhering to defined service level agreements.
Create and maintain traceability matrices linking requirements, design, and testing for agile delivery.
Build automation scripts and implement telemetry to support continuous integration and security compliance.
As needed, support applicable software platforms or infrastructure.
Support network security and BC/DR activities

Benefits

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.
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.

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