Windows Infrastructure Engineer

Windows Infrastructure Engineer

Duration: Permanent/Full-Time

Location: Hybrid in New York (10036) - Mon-Thurs (Friday Remote)

Position Overview

Our client is seeking a Windows Infrastructure & Systems Engineering to lead and engineer enterprise Windows infrastructure and core compute technologies. The ideal candidate is a highly hands-on Windows infrastructure engineer who has built a career owning complex Microsoft environments and has evolved into hybrid and cloud infrastructure.

The primary focus of this role is Windows Server engineering, Active Directory, core Microsoft infrastructure, virtualization, and enterprise compute. Experience with Azure, AWS, Citrix, automation, and modern infrastructure technologies is valuable, but the strongest candidates will have deep expertise in Windows infrastructure.

Approximate Skill Focus

• 60% Windows / Microsoft Infrastructure
• 25% Azure / Cloud Infrastructure
• 10% VMware / Virtualization
• 5% Automation, Security, Monitoring, and Related Technologies

Key Responsibilities

• Design, engineer, administer, and continuously improve enterprise Windows Server infrastructure.
• Lead complex troubleshooting and root-cause analysis across Windows, Active Directory, virtualization, storage, networking, and compute environments.
• Manage Windows Server 2016/2019/2022/2025 environments, including server builds, upgrades, patching, lifecycle management, performance optimization, and vulnerability remediation.
• Administer and troubleshoot Active Directory Domain Services, including replication, Sites and Services, Kerberos, authentication, domain controllers, and domain/forest-level infrastructure.
• Manage enterprise DNS, DHCP, Group Policy, NTFS/share permissions, ACLs, and Windows authentication services.
• Support certificate infrastructure and PKI-related technologies.
• Develop and execute Windows Server upgrade, migration, consolidation, and modernization initiatives at enterprise scale.
• Diagnose and resolve complex infrastructure issues involving CPU, memory, storage, networking, operating system, virtualization, and application dependencies.
• Engineer and maintain hybrid infrastructure integrating on-premises Microsoft environments with Azure and other cloud platforms.
• Support Azure infrastructure including virtual machines, VNets, subnets, NSGs, private networking, Azure Storage, Backup, Site Recovery, and Azure Monitor.
• Support hybrid identity environments using Entra ID, Active Directory, managed identities, service principals, and RBAC.
• Administer and troubleshoot VMware environments, including vSphere, ESXi, vCenter, VM provisioning, HA/DRS, networking, and performance.
• Develop PowerShell and other automation solutions to improve infrastructure reliability, visibility, and operational efficiency.
• Create automated server health checks, Active Directory reporting, patch compliance reporting, certificate expiration monitoring, and bulk server configuration processes.
• Collaborate with networking, security, storage, cloud, application, and database teams to resolve cross-platform infrastructure issues.
• Evaluate infrastructure capacity, performance, resiliency, redundancy, and scalability.
• Provide technical leadership for infrastructure modernization, standards, architecture, and operational best practices.

Required Qualifications

• Extensive hands-on experience engineering and supporting enterprise Windows Server environments.
• Strong expertise with Windows Server 2016/2019/2022/2025.
• Deep knowledge of Active Directory Domain Services, including replication, Sites and Services, Kerberos, domain controllers, and Windows authentication.
• Strong experience with DNS, DHCP, Group Policy, NTFS permissions, share permissions, and ACLs.
• Experience with Windows Server builds, patching, upgrades, lifecycle management, vulnerability remediation, and performance troubleshooting.
• Strong PowerShell skills with the ability to develop automation and tooling, rather than simply execute existing scripts.
• Hands-on experience with VMware vSphere, ESXi, and vCenter.
• Working knowledge of Azure infrastructure and hybrid cloud environments.
• Strong understanding of infrastructure dependencies across compute, operating systems, virtualization, storage, and networking.
• Demonstrated ability to independently troubleshoot complex enterprise infrastructure problems and perform root-cause analysis.