(USA) Principal, Systems and Infrastructure Engineer

Walmart • Herndon, VA

1d • Onsite

About The Position

The Principal, Systems and Infrastructure Engineer leads the design, implementation, and maintenance of scalable infrastructure solutions to support business objectives. This role involves optimizing system performance, driving automation initiatives, and ensuring security compliance across platforms. The engineer collaborates with cross-functional teams to manage cloud migrations, capacity planning, and integration efforts while maintaining up-to-date documentation and operational standards. By applying expertise in systems engineering and infrastructure architecture, this position ensures reliable, high-availability environments that meet evolving technical and business requirements within a complex enterprise setting.

About the team: The Enterprise Directory Services Core team manages Walmart’s multiple Active Directory forests, ensuring essential services like LDAP function securely and efficiently. The team maintains a stable and well-protected Active Directory environment, exemplifying operational excellence. It provides consulting support to application teams by sharing best practices and resolving application-related issues. This team plays a vital role in sustaining the infrastructure that supports Walmart’s business operations, focusing on reliability, security, modernization, and collaboration to effectively meet organizational needs.

Requirements

• 10+ years in IT infrastructure
• experience within the past 5 years in enterprise IAM, Active Directory, cloud-based identity, and access management adoption.
• Deep hands-on knowledge of AD forests, domains, GPOs, trusts, replication, and Lifecycle Management.
• Proven ability to lead cross-functional technical projects, mentor engineers, and align security standards with business goals
• Proficiency in cloud migration strategies and management of public cloud platforms.
• Strong knowledge of automation tools, scripting languages (e.g., PowerShell and Python), and CI/CD pipelines to optimize operational efficiency.
• Ability to analyze infrastructure performance metrics and develop capacity plans aligned with business requirements.
• Skilled in configuration, release, and integration management to ensure seamless system deployments.
• Bachelor's degree in computer science, computer engineering, information systems, information technology, or related area and 5 years’experience in technology infrastructure engineering across areas such as compute, storage, network, mobility or virtualization-related technologies.
• 7 years’ experience in technology infrastructure engineering across areas such as compute, storage, network, mobility or virtualization relatedtechnologies.

Nice To Haves

• Master’s degree in computer science, computer engineering, information systems, information technology, or related area
• 3 Years of relevant experience in configuration management, developing automation for Provisioning and Orchestration, experience developing and managing service-level objectives (SLOs)/service level indicators (SLIs) for Infrastructure Service availability and performance
• 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.
• 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

• Lead the design, security, and management of hybrid identity systems.
• Drive identity modernization, cloud-based identity and access management adoption, architecture standards, automation, and resilient directory services across large-scale infrastructure.
• Provide technical leadership over operations of enterprise Active Directory services across multi-domain, multi-forest, and hybrid identity environments.
• Drive modernization of domain controller infrastructure through life capacity management, resiliency engineering, and service optimization initiatives.
• Advance enterprise identity modernization by integrating Active Directory, cloud-based identity, and the reduction of legacy authentication dependencies.
• Develop and maintain automation frameworks, monitoring platforms, alerting solutions that improve operational efficiency.
• Provide leadership, mentorship, and escalation support for engineers.

Benefits

• Competitive pay
• Performance-based bonus awards
• Medical coverage
• Vision coverage
• Dental coverage
• 401(k)
• Stock purchase
• Company-paid life insurance
• PTO (including sick leave)
• Parental leave
• Family care leave
• Bereavement
• Jury duty
• Voting
• Short-term disability
• Long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement
• PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
• Walmart-paid education benefit program for full-time and part-time associates (Live Better U)
• Tuition, books, and fees are completely paid for by Walmart (Live Better U)

What This Job Offers

• Job Type: Full-time
• Career Level: Principal