Windows Server Administrator / SME

Role Overview:
We are seeking an experienced Windows Server Administrator / SME. The primary responsibility will be managing Active Directory domain flips for servers across multiple data centers, ensuring minimal downtime for mission-critical applications. This role requires deep expertise in Windows Server environments and troubleshooting complex domain join/unjoin scenarios.

Key Responsibilities:
Execute Active Directory domain join/unjoin operations for Windows servers as part of OT migration.
Validate server readiness and ensure compliance standards.
Collaborate with Honeywell engineering teams for post-migration functionality checks.
Perform pre-migration assessments and coordinate planned downtime for mission-critical applications.
Troubleshoot and resolve issues related to domain changes, authentication, and server connectivity.
Work closely with infrastructure teams to ensure VM backups and recovery plans are in place before execution.
Document migration steps, issues, and resolutions for audit and compliance purposes.

Required Skills & Experience:
8+ years of hands-on experience in Windows Server administration.
Expertise in Windows Server versions 2012, 2016, and 2019.
Strong knowledge of Active Directory, DNS, and Group Policy management.
Proven experience in domain join/unjoin operations and troubleshooting.
Familiarity with virtualization environments (VMware/Hyper-V).
Ability to work in high-availability environments with mission-critical applications.
Excellent problem-solving skills and ability to work under tight timelines.

Nice-to-Have Skills:
Experience with large-scale server migrations in OT/IT environments.
Knowledge of backup and recovery tools for virtual machines.