(USA) Senior Systems and Infrastructure Engineer, Information Security
Walmart
- Location
- Onsite ((USA) ISD Office - DGTC AR BENTONVILLE Home Office, Arkansas)
- Compensation
- $90k - $216k/yr
- Employment
- Full-time
- Level
- Mid Level
Posted 1 day ago
About the role
Walmart is seeking a Senior Systems and Infrastructure Engineer to secure, modernize, and operate enterprise Active Directory environments. The role focuses on implementing identity modernization initiatives, automating infrastructure tasks, and ensuring system reliability through performance monitoring and capacity planning.
Skills
Active Directory
Systems engineering
Infrastructure security
PowerShell
Python
Git
Automation
Configuration management
Identity modernization
Capacity planning
Performance monitoring
Security compliance
Risk management
Scripting
Troubleshooting
Benefits
- Medical insurance
- Dental insurance
- Vision insurance
- 401(k)
- Life insurance
- Disability insurance
- Paid time off
- Parental leave
Perks
- Stock purchase plan
- Tuition reimbursement
Full job details
Position Summary...
What you'll do...
Role summary: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.
What you'll bring:
- 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.
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.
Bentonville, Arkansas US-09050: The annual salary range for this position is $90,000.00 - $180,000.00
Herndon, Virginia US-10710: The annual salary range for this position is $108,000.00 - $216,000.00 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 3years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.Option 2: 5 years’ experience in systems and infrastructure 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.
Certified Intrusion analyst (GCIAs), GIAC Certified Enterprise Defender (GCED), Certified Geographic Information Systems Professional (GISP), GIAC Certified Incident Handler (GCIH), Certified Information Systems Security Professional (CISSP), Certified Information Systems Auditor (CISA), GIAC Security Essentials Certification (GSEC), Windows/Linux certification, and/or Security+ certification, Designing, leading, and implementing technology projects., Designing technical solutions in response to customer requests or changes, One of the following scripting/programming languages: Python, Perl, Powershell, VB Script, Ruby, PHP, Bash, C, C++, C#, or .Net, Production support, including problem identification, ticket documentation, and customer and vendor relations, Troubleshooting security infrastructure problems