Active Directory Migration Engineer

Zettamine Labs; Pune District, Mumbai, Bengaluru; On-site; INR 1,200,000 - 2,100,000; Full time

Job summary

Zettamine Labs in Mumbai, Pune and Bangalore seeks an experienced Active Directory migration engineer to design and execute complex AD migrations across multiple forests. You will work on intraforest and cross-forest migrations, domain consolidations, and greenfield deployments.

The role requires 3–8 years in enterprise AD, hands-on with Quest ADMT and related tools, and familiarity with Azure AD/Entra hybrid setups, DNS/DHCP, and security best practices.

Qualifications

• 3–8 years of dedicated experience in enterprise-grade Active Directory administration and complex domain migration projects.
• Strong hands-on experience with Windows Server 2012 R2 through 2025 and related AD services.
• Familiarity with Azure AD/Entra ID, Azure AD Connect/Cloud Sync, and cross-hybrid identity configurations.

Responsibilities

• Design, test, and implement AD migration strategies across forests and domains.
• Configure and operate migration tools such as Quest Migration Manager, ADMT, and related suites.
• Manage the promotion and demotion of Domain Controllers and FSMO role transfers.
• Migrate workloads to Windows Server 2022/2025 while preserving permissions and data integrity.
• Maintain AD DS, GPOs, OU structures, and Sites and Services; perform health checks.
• Troubleshoot DNS, replication, DHCP, and PKI during migration states.
• Establish, configure, and verify forest and domain trusts and security policy alignment.
• Perform sIDHistory cleanup and access-control translation during object migration.
• Conduct directory health checks with dcdiag, repadmin, and DFSR.

Skills

Active Directory administration

Domain migration projects

Windows Server management

Azure AD / Entra hybrid setups

Tools

Quest Migration Manager

ADMT

dcdiag

repadmin

DFSR

Job description

Hello All,

Job Title: Active Directory Domain Migration

Location: Mumbai, Pune and Bangalore

Years of Experience: 3 to 8 years

Notice Period: Immediate Joiners

Key Responsibilities

• Design, test, and implement Active Directory migration strategies, including intraforest and cross-forest migrations, domain consolidations, and greenfield forest deployments.
• Configure and operate enterprise migration tools such as Quest Migration Manager, Migrator Pro, Binary Tree, or Microsoft ADMT to migrate users, computers, service accounts, and security groups.
• Manage the promotion and demotion of Domain Controllers.
• Transfer FSMO roles and perform post-migration metadata cleanup.
• Execute Windows Server OS upgrades and migrations, including migration of workloads to Windows Server 2022/2025, while preserving permissions, share configurations, and data integrity.
• Maintain and optimize AD DS, Group Policy Objects (GPOs), OU structures, and Active Directory Sites and Services.
• Manage and troubleshoot DNS resolution, replication topologies, DHCP, and integrated PKI/Certificate Services during transitional migration states.
• Establish, configure, and troubleshoot secure Forest and Domain trusts across distinct corporate environments.
• Ensure migrated and newly established environments comply with cybersecurity policies, modern TLS defaults, and strong cryptographic standards.
• Manage sIDHistory cleaning and ensure proper access control translation during object migration phases.
• Perform ongoing directory health checks using tools such as dcdiag and repadmin, along with SYSVOL verification via DFSR, to promptly address replication or structural errors.

Experience

• 6+ years of dedicated experience in enterprise-scale Active Directory administration and complex domain migration projects.
• Deep expertise in Windows Server 2012 R2 through Windows Server 2022/2025.
• Hands-on experience with Quest Software suites, Directory Sync Pro, or ADMT.
• Familiarity with Microsoft Entra ID (Azure AD), Azure AD Connect/Cloud Sync, and configuring custom B2B/B2C identity policies or hybrid joins.