Senior Microsoft System Engineer

Il y a 6 heures

Liège, Walloon Region, Belgique NEBIRU Temps plein

Looking to start a new challenge as a freelancer? Get in touch now.


What you will do

  • Own and operate core Windows Server infrastructure, with some exposure to Linux environments.
  • Ensure the availability, performance, resilience and stability of critical systems and infrastructure services.
  • Manage the full system lifecycle, including upgrades, patching, hardening, replacement and decommissioning.
  • Administer and continuously improve Microsoft 365 and Entra ID, including Conditional Access, RBAC and identity-related services.
  • Manage modern endpoint environments with Microsoft Intune.
  • Apply infrastructure security best practices in partnership with cybersecurity specialists, including hardening, monitoring and remediation.
  • Provide 3rd-level technical support and resolve complex infrastructure incidents.
  • Perform root-cause analysis and implement sustainable corrective actions.
  • Automate repetitive administration and operational processes using PowerShell.
  • Contribute to infrastructure, security and transformation projects from design through implementation.
  • Maintain technical documentation, standards and operational procedures.
  • Act as a technical reference for colleagues and mentor less-experienced engineers.


What you bring

  • 8+ years of experience in System Engineering, Infrastructure Engineering or a comparable senior technical role.
  • Strong hands-on expertise with Windows Server and Microsoft infrastructure.
  • Solid experience with Microsoft 365, Entra ID and identity/security administration.
  • Practical experience with Microsoft Intune and endpoint management.
  • Strong PowerShell scripting and automation skills.
  • Good understanding of infrastructure security, including hardening, vulnerability remediation, monitoring and backup/recovery.
  • Experience with virtualization such as VMware, Hyper-V or Nutanix.
  • Understanding of security frameworks and principles such as CIS and NIST.
  • Experience troubleshooting complex infrastructure issues and performing root-cause analysis.
  • A structured, autonomous and proactive approach, with the ability to remain effective under pressure.
  • Experience mentoring colleagues or acting as a technical reference is highly valued.
  • Experience with Linux, Bash, Jamf or broader Microsoft security tooling is an advantage.


Interested? Apply immediately


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