Senior Windows Administrator - Enterprise IT (Finland)

Cognizant; Helsinki; On-site; EUR 90,000 - 120,000; Full time

Job summary

Cognizant is seeking a senior Windows Administrator in Finland to operate and maintain enterprise Windows Server environments across physical, virtual, and hybrid infrastructure. You will support our client's infrastructure and digital workplace services, ensuring resilience, security, and continuity of operations in Finland.

You bring 7–10+ years of hands-on experience with Windows Server, Active Directory, DNS, DHCP, GPO, IIS, SCCM/WSUS, and PowerShell, plus experience with VMware

Qualifications

• 7-10+ years of hands-on experience as a Windows Administrator in enterprise infrastructure.
• Strong knowledge of Windows Server, Active Directory, DNS, DHCP, GPO, IIS, SCCM, WSUS, and PowerShell.
• Experience with VMware ESXi / vSphere and Hyper-V.
• Experience with backup and disaster recovery.
• Ability to work within enterprise ITSM controls.
• Strong ownership and documentation discipline.

Responsibilities

• Install, configure, patch, and maintain Windows Server platforms.
• Administer Active Directory, DNS, DHCP, GPO, IIS, certificates, and core Windows services.
• Manage SCCM/WSUS patching, vulnerability remediation, configuration compliance, and exception reporting.
• Support VMware ESXi and Hyper-V hosted Windows workloads, including capacity and availability checks.
• Automate recurring administration tasks with PowerShell.
• Perform backup, disaster recovery, incident, problem and change management per ITSM processes.
• Participate in on-call or 24x7 production support.

Skills

Windows Server

Active Directory

DNS

DHCP

GPO

IIS

SCCM/WSUS

PowerShell

VMware ESXi

Hyper-V

Backup and disaster recovery

ITSM

On-call support

Tools

VMware ESXi

Hyper-V

SCCM

WSUS

Job description

Cognizant is seeking a senior Windows Administrator in Finland to operate and maintain enterprise Windows Server environments across physical, virtual, and hybrid infrastructure. You will support our client's infrastructure and digital workplace services, ensuring resilience, security, and continuity of operations in Finland.

You bring 7–10+ years of hands-on experience with Windows Server, Active Directory, DNS, DHCP, GPO, IIS, SCCM/WSUS, and PowerShell, plus experience with VMware