(USA) Systems and Infrastructure Engineer III, Information Security

Walmart

5d•$90,000 - $180,000

About The Position

This role is a Systems and Infrastructure Engineer III. As a member of the Walmart Enterprise Directory Services Team, you will provide Active Directory Infrastructure support for all of Walmart. A successful candidate must be able to communicate and collaborate with any team within Walmart, provide forward thinking ideas for improvement, and help drive efforts to completion. Maintaining Domain Controllers throughout the Enterprise. Design, implement, and maintain monitoring systems for Active Directory, AD LDS, and ancillary supporting technologies. Support problem resolution to include addressing alerts and implementing corrective actions. Plan, organize and execute system benchmarks for threshold and functionality, and root cause analysis. Review ongoing and proposed projects to identify opportunities for reuse and process improvement. Participate in the team on-call rotation. About the team: The Enterprise Directory Services Core team is responsible for maintaining Walmart’s multiple Active Directory forests, ensuring core services like LDAP operate efficiently and securely. The team exemplifies operational excellence by keeping the Active Directory environment stable, well-maintained, and protected. It also provides consulting support to application teams, sharing best practices and resolving application-related issues. This team plays a critical role in sustaining the infrastructure that supports Walmart’s business operations, emphasizing reliability, security, and collaboration to meet organizational needs effectively. As a member of the Walmart Enterprise Directory Services Team, you will provide Active Directory Infrastructure support for all of Walmart. A successful candidate must be able to communicate and collaborate with any team within Walmart, provide forward thinking ideas for improvement, and help drive efforts to completion. You will be consulting with other teams concerning Active Directory application integration and best practices. Provide operational support for a complex multi-company, multi-domain, multi-forest Active Directory environment including AD/SYSVOL Replication, Kerberos, LDAP, and other infrastructure AD functions. Design and implement solutions to help increase the security posture around Active Directory. Ensure security solutions aligns with industry standards such as NIST, PCI DSS, and DISA STIGs, as well as Walmart corporate policy. Assist with defining roadmaps for the future. Maintain Domain Controllers throughout the Enterprise. Design, implement, and maintain monitoring systems for Active Directory, AD LDS, and ancillary supporting technologies. Support problem resolution to include addressing alerts and implementing corrective actions. Plan, organize and execute system benchmarks for threshold and functionality, and root cause analysis. Review ongoing and proposed projects to identify opportunities for reuse and process improvement. Participate in the team on-call rotation. This position will not be managing User, Groups, and Computer Objects.

Requirements

3+ years of experience with large enterprise-scale Microsoft Active Directory Deployments
Automation and scripting (PowerShell, Batch Files, VB Script, etc.)
AD Topology and Replication
AD Access Control, Delegations, and RBAC
AD Troubleshooting
Group Policy Objects
Windows Server background
Windows OS support and troubleshooting
Active Directory Lightweight Directory Services (AD LDS)
Creating/Updating technical documentation

Nice To Haves

Familiarity with PKI concepts, Networking concepts, and SSO / Federation concepts is a plus.
Experience with coding in Python, C#, C, C++, Java, etc. is also a plus.
Experience with automation tools and scripting languages to streamline workflows and enhance operational efficiency.
Certification in Security+, GISF, CISSP, CCSP, or GSEC
Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area
We value candidates with a 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.
The ideal candidate would have 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

Provide Active Directory Infrastructure support for all of Walmart.
Communicate and collaborate with any team within Walmart
Provide forward thinking ideas for improvement
Help drive efforts to completion
Consulting with other teams concerning Active Directory application integration and best practices.
Provide operational support for a complex multi-company, multi-domain, multi-forest Active Directory environment including AD/SYSVOL Replication, Kerberos, LDAP, and other infrastructure AD functions.
Design and implement solutions to help increase the security posture around Active Directory.
Ensure security solutions aligns with industry standards such as NIST, PCI DSS, and DISA STIGs, as well as Walmart corporate policy.
Assist with defining roadmaps for the future.
Maintain Domain Controllers throughout the Enterprise.
Design, implement, and maintain monitoring systems for Active Directory, AD LDS, and ancillary supporting technologies.
Support problem resolution to include addressing alerts and implementing corrective actions.
Plan, organize and execute system benchmarks for threshold and functionality, and root cause analysis.
Review ongoing and proposed projects to identify opportunities for reuse and process improvement.
Participate in the team on-call rotation.

Benefits

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet.
Health benefits include medical, vision and dental coverage.
Financial benefits include 401(k), stock purchase and company-paid life insurance.
Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.

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