Remote Senior Active Directory Architect & Automation Lead

DEXTER TECHNOLOGIES INC; Austin (TX); Remote; USD 140,000 - 180,000; Full time

Job summary

Dexter Technologies Inc. is seeking a Senior/Principal Directory Services Engineer to lead AD architecture and identity infrastructure in a large, multi-forest environment.

This remote, contract-to-hire role focuses on modernization, security, and lifecycle management of directory services, with responsibilities spanning domain consolidation, GPOs, DNS/DHCP, and Zero Trust alignment. If you have 10+ years of hands-on AD experience and strong PowerShell automation, apply to join a team dedicated

Qualifications

• 10+ years of hands-on experience with Active Directory in large, complex enterprise environments.
• Expert-level knowledge of AD architecture, domain controllers, replication, GPOs, DNS/DHCP, trusts, and security models.
• Strong experience with PowerShell scripting and automation.
• Deep understanding of identity security, privileged access management, and Zero Trust principles.
• Proven ability to lead large-scale directory upgrades, migrations, and remediation efforts.

Responsibilities

• Serve as the principal expert for Active Directory architecture, design, and operations across multi-domain, multi-forest environments.
• Lead modernization initiatives including domain consolidation, schema upgrades, AD hardening, and identity lifecycle automation.
• Architect and maintain Group Policy, DNS, DHCP, replication, trusts, and domain controller strategy.
• Oversee AD security posture: privileged access, tiering models, delegation, auditing, and Zero Trust alignment.
• Develop standards, runbooks, and automation using PowerShell and modern configuration tools.
• Collaborate with cross-functional teams (Security, Cloud, Infrastructure, Applications) to ensure directory stability and performance.

Skills

Active Directory

Identity security

Zero Trust

PowerShell scripting

Education

Microsoft certifications (MS-102, AZ-104, SC-300) or equivalent

Tools

PowerShell

Job description

Dexter Technologies Inc. is seeking a Senior/Principal Directory Services Engineer to lead AD architecture and identity infrastructure in a large, multi-forest environment.

This remote, contract-to-hire role focuses on modernization, security, and lifecycle management of directory services, with responsibilities spanning domain consolidation, GPOs, DNS/DHCP, and Zero Trust alignment. If you have 10+ years of hands-on AD experience and strong PowerShell automation, apply to join a team dedicated