Windows Systeembeheerder (Senior)

Rhox; Schaarbeek; On-site; EUR 70,000 - 100,000; Full time

Job summary

Rhox is seeking a senior Windows systems administrator to run and maintain Windows Server infrastructure, including Citrix and Microsoft 365 services. The role entails resolving escalations, deploying releases on application servers, and maintaining Citrix XenDesktop and RD Session Hosts.

You will manage the Windows Server estate and ensure security and uptime across the environment. Strong AD/GPs, Windows, and MS365 experience are essential, with Dutch language skills at C2 level.

Qualifications

• Five years setting up, managing and maintaining systems.
• Five years with Active Directory and Group Policies.
• Five years with Windows Server 2016 or later.
• Five years with DHCP, DNS, PXE and Windows firewalling.
• Two years with Microsoft 365: Exchange Online, Teams and authentication.
• Systems-engineering knowledge in at least one area: Unix/Linux/Windows, mainframes, middleware, security or networking.
• Dutch, C2.

Responsibilities

• Resolve second- and third-line incidents.
• Deploy line-of-business releases on application servers.
• Implement small service changes.
• Maintain Citrix XenDesktop servers and RD Session Hosts.
• Monitor and maintain the Windows Server estate.

Skills

Active Directory

Group Policies

Windows Server

Networking fundamentals (DHCP/DNS/PXE/

Tools

Citrix XenDesktop

RD Session Host

Citrix NetScaler

VMware vSphere

CommVault

Intune / Microsoft Endpoint Manager

Microsoft Defender for Endpoint

SCCM / SCORCH

IIS / .NET hosting

SQL Server

Exchange Online

SharePoint Online

Job description

We're looking for a senior Windows systems administrator to run and maintain Windows Server infrastructure, including Citrix and Microsoft 365 services.

What you'll do

• Resolve second- and third-line incidents.
• Deploy line-of-business releases on application servers.
• Implement small service changes.
• Maintain Citrix XenDesktop servers and Remote Desktop Session Hosts.
• Monitor and maintain the Windows Server estate.

What you bring

• Five years setting up, managing and maintaining systems.
• Five years with Microsoft Active Directory and Group Policies.
• Five years with Windows Server 2016 or later.
• Five years with DHCP, DNS, PXE and Windows firewalling.
• Two years with Microsoft 365: Exchange Online, Teams and authentication.
• Systems-engineering knowledge and experience in at least one area: Unix/Linux/Windows, mainframes, application middleware, security systems or networking and communications.
• Dutch, C2.

Nice to have

• ICT infrastructure experience and ITIL processes, particularly change management.
• Windows PowerShell, PowerShell Desired State Configuration and Microsoft Just Enough Administration.
• Citrix Virtual Apps and Desktops 2402LTSR+, Citrix NetScaler 13.x+, Citrix Hypervisor 8.x+ and XenServer 8.x+.
• VMware vSphere v8.0+ and CommVault Simpana v11 Backup.
• Microsoft Endpoint Manager (InTune) and Microsoft Defender for Endpoint Protection.
• Microsoft System Center Configuration Manager 1902+ and Microsoft System Center Operations Manager 2403+.
• Microsoft IIS Application Servers, dotnet hosting and Microsoft SQL Server 2016+.
• Microsoft Exchange Server 2019+, Microsoft Office SharePoint Server Subscription Edition or later, and Office 365 SharePoint Online.
• Microsoft Failover Cluster and Microsoft Storage Spaces (Direct).
• Microsoft Active Directory Federation Services, Microsoft Always On VPN and Office 365 Security & Compliance.
• Azure DevOps Server 2022+, Tibco Spotfire Server 12.x+ and UniPrint Infinity Suite.
• MSIX Packaging and Windows Installer XML (WiX).