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# (USA) Senior Systems and Infrastructure Engineer, Information Security

- **Company:** Wal-Mart Stores, Inc.
- **Location:** Bentonville, AR, United States
- **Experience:** Expert
- **Salary:** $90,000 - $180,000
- **Contract:** Permanent contract
- **Skills:** Active Directory, Systems Engineering, Authentication Protocols, Backup Devices, Configuration Management, Code Review, Cyber Security, Data Security, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Performance Tuning, Windows PowerShell, Release Management, Software Engineering, Software Systems, Virtualization Technology, Scripting, Git, Infrastructure Automation Frameworks, Performance Monitor, Patch Management, Cloud Migration, Programming Languages
- **Published:** November 6, 2026
- **Apply:** https://www.careerbuilder.com/job-details/-usa-senior-systems-and-infrastructure-engineer-information-security-bentonville-ar--a7ce73a5-ef94-431e-b3f7-1d420f6e69e6

## About the Role

Information/Data Security (InfoSec), Systems Engineering, Operational Strategy, Microsoft Active Directory, Information/Data Security (InfoSec), Software Development, Automation Systems, Configuration Management, Team Lead/Manager, Best Practices, * Experience engineering, securing, or supporting enterprise Microsoft Active Directory environments.

 * Hands-on experience developing and maintaining scripts, automation, or software solutions using PowerShell, Python, or a comparable programming language.
 * Experience using Git or another source-control platform and applying structured development practices such as code review, testing, documentation, and release management.
 * Experience with authentication protocols, security controls, compliance requirements, and infrastructure operations.
 * Experience contributing to technical projects, documenting solutions, and resolving complex operational issues.
 * Expertise in capacity management, performance optimization, and resource rightsizing.
 * Proven capability in infrastructure maintenance, issue resolution, and configuration of physical and virtualized environments.

## Description

The Senior Active Directory Engineer, Information Security, is a hands-on technical contributor responsible for supporting, securing, modernizing, and operating Walmart's enterprise Active Directory environment. This role implements identity modernization initiatives, applies architecture standards, and develops secure software, automation, and reusable engineering solutions that improve the resilience, scalability, and operational efficiency of large-scale directory services.

About the team:

The Enterprise Directory Services Core team manages Walmart's multiple Active Directory forests, ensuring secure and efficient LDAP services. This team maintains a stable and well-protected Active Directory environment, demonstrating operational excellence. It provides consulting support by sharing best practices and resolving application-related issues. Focused on reliability, security, modernization, and collaboration, the team sustains critical infrastructure supporting Walmart's business operations. Their expertise includes systems engineering, cloud migration, configuration management, and security systems, enabling seamless and secure IT service delivery aligned with organizational goals.

What you''ll do:

 * Design and implement scalable, secure infrastructure solutions aligned with business and security requirements.
 * Develop and maintain system security plans, conduct risk and compliance reviews to ensure adherence to security standards.
 * Automate infrastructure deployment and maintenance tasks using scripting and configuration management tools.
 * Perform routine infrastructure maintenance including backups, patch management, and performance monitoring.
 * Collaborate on requirement analysis, scoping, and design trade-offs for modular and extensible system components.
 * Manage capacity planning and optimize resource utilization to meet current and future demands.
 * Troubleshoot and resolve infrastructure issues, escalating as necessary to maintain system integrity.