We are seeking an experienced Active Directory Subject Matter Expert (SME) to serve as the senior technical authority for enterprise-scale Microsoft Active Directory and hybrid identity environments. This individual will lead technical strategy, architecture, security hardening, migrations, and advanced troubleshooting while providing guidance to a team of engineers supporting a large, complex infrastructure.
 

This is a highly visible role supporting ongoing growth initiatives, mergers, acquisitions, and enterprise identity modernization efforts.

Required Skills

• 8+ years of hands-on Active Directory experience
• Strong Active Directory architecture and design expertise
• Active Directory migration and consolidation experience
• Multi-domain and multi-forest environment management
• Advanced Group Policy (GPO) administration and troubleshooting
• Kerberos, LDAP, and SPN troubleshooting
• Microsoft Entra ID (Azure AD) integration experience
• PowerShell automation and scripting
• Tier 3 support experience within large enterprise environments
• Leadership or team mentoring experience

Key Responsibilities

• Design, implement, and maintain enterprise-scale Active Directory environments across multiple domains, forests, and sites.
• Lead architecture and engineering initiatives supporting highly available and secure directory services.
• Enforce Tier 0 administration models and Active Directory security baselines.
• Manage and support PKI/ADCS infrastructure and certificate services.
• Administer hybrid identity integrations between on-premises Active Directory and cloud platforms including Microsoft Entra ID and AWS Managed Microsoft AD.
• Design and troubleshoot complex Group Policies.
• Resolve advanced authentication, replication, and directory service issues involving Kerberos, LDAP, and SPNs.
• Develop PowerShell automation and Infrastructure-as-Code solutions using tools such as Terraform or Ansible.
• Lead large-scale domain migrations, consolidations, and legacy environment decommissioning efforts.
• Create and maintain disaster recovery strategies for Active Directory environments.
• Provide Tier 3 escalation support and conduct root cause analysis for critical incidents.
• Mentor junior engineers and establish technical best practices.

Preferred Qualifications

• Experience with AWS Managed Microsoft AD
• Terraform and/or Ansible experience
• Microsoft Exchange and Office 365 support experience
• ServiceNow experience
• Experience within large enterprise environments supporting thousands of users
• Strong documentation and technical leadership skills

Work Environment

• 100% remote position
• Occasional travel to the Houston-area Global Support Center for quarterly meetings, team events, and strategic planning sessions
• Fast-paced, enterprise environment focused on security, reliability, and continuous improvement

Why Join?

Sysco offers a collaborative, people-first culture focused on integrity, inclusion, excellence, and professional growth. This opportunity provides exposure to large-scale enterprise identity initiatives, cloud transformation projects, and ongoing acquisition-driven infrastructure modernization efforts.