(USA) Senior Systems and Infrastructure Engineer, Information Security
About The Position
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. The role implements identity modernization initiatives, applies architecture standards, and develops secure software, automation, and reusable engineering solutions to improve the resilience, scalability, and operational efficiency of large-scale directory services. The Enterprise Directory Services Core team manages Walmart’s multiple Active Directory forests and provides secure, efficient LDAP services. It maintains a stable and well-protected environment, shares best practices, and resolves application-related issues. The team focuses on reliability, security, modernization, and collaboration, and applies expertise in systems engineering, cloud migration, configuration management, and security systems to support Walmart’s business operations. The position designs and implements secure, scalable infrastructure; supports security planning and compliance; automates deployment and maintenance; performs infrastructure upkeep; contributes to system design and requirements analysis; manages capacity and resource use; and troubleshoots operational issues. The role is based in Bentonville, Arkansas, or Herndon, Virginia. The annual salary range is $90,000–$180,000 in Bentonville or $108,000–$216,000 in Herndon, with additional annual or quarterly performance bonuses and, for certain positions, stock.
Requirements
- 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.
- Option 1: Bachelor’s degree in computer science, information technology, engineering, information systems, cybersecurity, or a related area, and 3 years of experience in systems and infrastructure engineering or a related area at a technology, retail, or data-driven company.
- Option 2: 5 years of experience in systems and infrastructure engineering or a related area at a technology, retail, or data-driven company.
Nice To Haves
- Certifications such as GCIA, GCED, GISP, GCIH, CISSP, CISA, GSEC, Windows/Linux certification, and/or Security+.
- Experience designing, leading, and implementing technology projects.
- Experience designing technical solutions in response to customer requests or changes.
- Experience with one or more of Python, Perl, PowerShell, VB Script, Ruby, PHP, Bash, C, C++, C#, or .NET.
- Production support experience, including problem identification, ticket documentation, and customer and vendor relations.
- Experience troubleshooting security infrastructure problems.
Responsibilities
- Design and implement scalable, secure infrastructure solutions aligned with business and security requirements.
- Develop and maintain system security plans, and 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.
- Support, secure, modernize, and operate the enterprise Active Directory environment.
- Implement identity modernization initiatives, apply architecture standards, and develop secure software, automation, and reusable engineering solutions.
- Support secure and efficient LDAP services across multiple Active Directory forests and provide consulting support on best practices and application-related issues.
Benefits
- Medical, vision, and dental coverage.
- 401(k).
- Stock purchase plan.
- Company-paid life insurance.
- Paid time off, including sick leave, parental leave, family care leave, bereavement leave, jury duty, and voting leave.
- Short-term and long-term disability.
- Company discounts.
- Military Leave Pay.
- Adoption and surrogacy expense reimbursement.
- Live Better U education benefit, with tuition, books, and fees paid for eligible programs.
- Performance-based bonus awards.
- Additional stock compensation for certain positions.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
