Senior DevOps / Windows System Administrator

About the role

We are seeking a highly experienced Senior DevOps / Windows System Administrator to manage and support critical IT infrastructure in a highly secure environment. The role combines deep knowledge of Microsoft technologies with virtualization, automation, and security best practices.

Key responsibilities

• Administer and maintain Microsoft Windows infrastructure and enterprise systems.
• Manage and support VMware environments.
• Administer Microsoft SCCM, Exchange, and LDAP services.
• Develop and maintain PowerShell scripts for automation and system administration.
• Implement and maintain security solutions, including EDR and Zero Trust principles.
• Support infrastructure deployment, configuration, monitoring, and troubleshooting.
• Apply ITIL and Agile practices to operational activities.
• Contribute to technical improvements and automation initiatives.
• Provide technical guidance, coaching, and knowledge sharing within the team.

Required profile

• Minimum 10 years of proven professional experience.
• Expert knowledge of Microsoft Windows, VMware, SCCM, Exchange, LDAP, and PowerShell.
• Good knowledge of EDR, Zero Trust, ITIL, and Agile methodologies.
• Docker and Linux experience is an advantage.
• Strong troubleshooting, analytical, and communication skills.
• Experience in highly secure environments is a strong advantage.
• Belgian nationality required and ability to obtain Top Secret security clearance.
• Native Dutch or French with good knowledge of the other language and English.

Required skills

• Microsoft Windows
• VMware
• Microsoft SCCM
• Exchange
• LDAP
• PowerShell
• EDR (Endpoint Detection and Response)
• Zero Trust security principles
• Docker (advantage)
• Linux (advantage)
• ITIL
• Agile