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IT Infrastructure

Senior Windows System Administrator

Location
Antwerp, Belgium
Work mode
On-site
Contract
Contract · Senior
Closed
16 Mar 2026

This mission closed on 16 Mar 2026.

It stays online for reference, but it no longer takes applications.

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About the mission

We are looking for a Senior Windows System Administrator with a strong technical background and extensive experience in managing Microsoft technologies. The role involves working in a team to manage databases, support system teams, and ensure thorough knowledge of cloud technologies and server management.

Read the full description

Overview

Higher education (Master or Bachelor) with a technical/engineering background or equivalent through experience with ICT technology for which expertise is required.

Key Responsibilities

Work in a team for the management of databases and related applications.
Configuration adjustments and installations according to existing documentation.
Develop and document configuration adjustments and installations.
Support for the system team.
Very thorough knowledge of Microsoft Windows Server management & technologies.
Very thorough knowledge of Microsoft Cloud technology (Azure, AD connect, Office365, Exchange Online, Sharepoint, ...).
Thorough knowledge of Powershell (scripting), MS SQL, VMware vSphere.
Thorough knowledge and professional experience with Windows servers, storage systems, ... is a necessary condition for this assignment.
Good knowledge of network technology (DNS, TCP/IP, load balancers).
Knowledge of other technologies is a plus (FibreChannel, SAN/NAS storage, Microsoft Tiering model, Microsoft RDS, iDP, PRTG, Awingu, ...).

Skills & Experience

Proven experience and ability to work with Microsoft Azure (Entra-ID, Hub-Spoke, Landing zone design, ...).
Proven experience and ability to work with Powershell scripting.
Proven experience for the technology in question or a similar technology.
Thorough knowledge of databases: Microsoft SQL-Server 2019 & 2022 always-on cluster.
Thorough knowledge of Microsoft Active Directory and Windows Server 2019, 2022.
Thorough knowledge of virtualization: VMWare and VCenter.

Languages

Language requirement: Dutch at European CEFR level C2.

Additional Info

Working hours: Day
Estimated number of hours per person: 1840
Employment regime (percentage): 100
Remote work possible? Yes
Contract type: Framework contract 2022 - 2027 (Lot 1)
Preferred start date: 15/04/2026
Preferred end date: 15/04/2027.

What you'll do

  • Work in a team for the management of databases and related applications.
  • Configuration adjustments and installations according to existing documentation.
  • Develop and document configuration adjustments and installations.
  • Support for the system team.
  • Very thorough knowledge of Microsoft Windows Server management & technologies.
  • Very thorough knowledge of Microsoft Cloud technology (Azure, AD connect, Office365, Exchange Online, Sharepoint, ...).
  • Thorough knowledge of Powershell (scripting), MS SQL, VMware vSphere.
  • Thorough knowledge and professional experience with Windows servers, storage systems, ... is a necessary condition for this assignment.
  • Good knowledge of network technology (DNS, TCP/IP, load balancers).
  • Knowledge of other technologies is a plus (FibreChannel, SAN/NAS storage, Microsoft Tiering model, Microsoft RDS, iDP, PRTG, Awingu, ...).

What we're looking for

  • Higher education (Master or Bachelor) with a technical/engineering background or equivalent through experience with ICT technology.
  • Proven experience with Microsoft Azure.
  • Proven experience with Powershell scripting.
  • Thorough knowledge of databases: Microsoft SQL-Server 2019 & 2022 always-on cluster.
  • Thorough knowledge of Microsoft Active Directory and Windows Server 2019, 2022.
  • Thorough knowledge of virtualization: VMWare and VCenter.

Skills

  • Microsoft Azure
  • Powershell
  • Microsoft SQL Server
  • Microsoft Active Directory
  • Windows Server
  • VMware
  • Networking