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Walmart

Senior Systems and Infrastructure Engineer, Information Security

Walmart

. Support, secure, modernize, and operate Walmart’s enterprise Active Directory environment .

Posted 10/14/2026full-timeBentonville • Virginia • United StatesSenior💰 $90,000 - $216,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing and securing enterprise Microsoft Active Directory environments, with a strong focus on automation, scripting, and infrastructure optimization. Proficient in implementing security controls and compliance requirements while ensuring operational efficiency and resilience.

Highest-signal resume keywords
Microsoft Active Directory ManagementPowerShell ScriptingInfrastructure AutomationCapacity ManagementSecurity Compliance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Systems EngineeringInfrastructure EngineeringAutomation DevelopmentPerformance MonitoringRisk ManagementConfiguration ManagementAuthentication ProtocolsSoftware DevelopmentCapacity PlanningTroubleshooting
Soft Skills
Consulting SupportProblem SolvingCollaboration
Tools & Technologies
GitPowerShellPythonWindowsLinuxVirtualization ToolsConfiguration Management Tools
Certifications & Qualifications
CISSPCISAGSECGCEDGCIHGCIAsGISPSecurity+
Industry Keywords
Identity ModernizationEnterprise Directory ServicesOperational EfficiencyScalabilitySecurity ControlsCompliance Requirements

Tech Stack

Tools & technologies
Cyber SecurityLinuxPerlPHPPythonRubyC++

About the role

Key responsibilities & impact
  • Support, secure, modernize, and operate Walmart’s enterprise Active Directory environment
  • Implement identity modernization initiatives
  • Apply architecture standards
  • Develop secure software, automation, and reusable engineering solutions
  • Improve the resilience, scalability, and operational efficiency of large-scale directory services
  • Design and implement scalable, secure infrastructure solutions aligned with business and security requirements
  • Develop and maintain system security plans
  • Conduct risk and compliance reviews
  • Automate infrastructure deployment and maintenance using scripting and configuration management tools
  • Perform backups, patch management, and performance monitoring
  • Contribute to requirements analysis, scoping, and design trade-offs for modular and extensible system components
  • Manage capacity planning and optimize resource utilization
  • Troubleshoot and resolve infrastructure issues, escalating as necessary
  • Provide consulting support and resolve application-related issues for Enterprise Directory Services Core

Requirements

What you’ll need
  • Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 3 years’ experience in systems and infrastructure engineering or related area; OR 5 years’ experience in systems and infrastructure engineering or related area
  • 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
  • Experience applying code review, testing, documentation, and release management practices
  • 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
  • Capability in infrastructure maintenance, issue resolution, and configuration of physical and virtualized environments
  • Preferred certifications include GCIAs, GCED, GISP, GCIH, CISSP, CISA, GSEC, Windows/Linux certification, and/or Security+
  • Preferred scripting/programming experience with Python, Perl, PowerShell, VB Script, Ruby, PHP, Bash, C, C++, C#, or .Net
  • Preferred experience in production support and troubleshooting security infrastructure problems

Benefits

Comp & perks
  • Performance-based bonus awards
  • Medical, vision and dental coverage
  • 401(k)
  • Stock purchase
  • Company-paid life insurance
  • PTO, including sick leave
  • Parental leave
  • Family care leave
  • Bereavement leave
  • Jury duty leave
  • Voting leave
  • Short-term disability
  • Long-term disability
  • Company discounts
  • Military Leave Pay
  • Adoption and surrogacy expense reimbursement
  • Live Better U Walmart-paid education benefit
  • Paid high school completion, bachelor's degree, English Language Learning, and short-form certificate programs
  • Tuition, books, and fees completely paid for by Walmart
  • Stock compensation may be available for certain positions
  • Home office locations in Bentonville, Arkansas and Herndon, Virginia