Senior Active Directory & Quest Migration Engineer

TEKsystems; United States; Hybrid; USD 96,000 - 114,000; Full time

Job summary

TEKsystems in Houston, TX is seeking an expert-level Active Directory / Quest Migration Engineer to plan, execute, and optimize AD operations in a large-scale, mission-critical environment. You will serve as the primary expert for Quest migration tools and oversee migrations involving 35,000+ workstations, servers, and applications, with a focus on automation and hybrid identity.

Strong experience with on-premises AD, domain consolidation, Entra ID, Azure AD Connect, and PowerShell is required.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field or equivalent experience.
• 7+ years of hands-on experience with on-premises Active Directory.
• 3+ years of engineering experience.
• 2+ years supporting hybrid Active Directory and Microsoft Entra ID environments.
• Deep expertise in AD architecture: multi-domain, multi-forest, trusts, domain controllers, Sites and Services, schema modifications, OU design, replication topology.

Responsibilities

• Plan, execute, and optimize on-premises Active Directory operations.
• Design, deploy, administer, and support domain controllers, domains, forests, trusts, Sites and Services, and Group Policy Objects.
• Serve as the primary expert for Quest migration tools.
• Oversee migrations involving 35,000+ workstations and server/application transitions.
• Migrate legacy domains into a consolidated AD structure.
• Improve stalled migrations through automation and best practices.
• Manage hybrid AD configurations and synchronization with Azure AD Connect.
• Support identity federation, Conditional Access, Pass-through Authentication, SSO, and cloud identity management.
• Support cloud integration for a ~20% cloud-native workload environment.
• Troubleshoot complex AD issues: replication, DFS-R/SYSVOL, DNS, PKI, GPOs, Kerberos/LDAP issues.
• Identify and remediate AD security vulnerabilities per NIST/CIS.
• Develop and maintain PowerShell scripts for AD administration and bulk operations.
• Create automation for AD health monitoring, backup, migration operations, and monitoring with ADDS/DataDog.

Skills

Active Directory proficiency

Hybrid identity

Troubleshooting

PowerShell scripting

Security best practices

Mentoring/leadership

Education

Bachelor's degree or equivalent experience

Tools

Quest Migration Manager

ADMT

PowerShell

Azure AD Connect

DataDog

SolarWinds

Job description

TEKsystems in Houston, TX is seeking an expert-level Active Directory / Quest Migration Engineer to plan, execute, and optimize AD operations in a large-scale, mission-critical environment. You will serve as the primary expert for Quest migration tools and oversee migrations involving 35,000+ workstations, servers, and applications, with a focus on automation and hybrid identity.

Strong experience with on-premises AD, domain consolidation, Entra ID, Azure AD Connect, and PowerShell is required.