About the role

As SkyNRG continues to grow and scale its Sustainable Aviation Fuel activities, we are looking for a System Administrator to run and strengthen the infrastructure behind our corporate environment and our new production sites.

In this role, you will take ownership of our hybrid infrastructure: Microsoft 365 and Azure in the cloud, and the on-premises server, storage and virtualization platforms at our headquarters and production sites. You will make sure our systems are reliable, secure, well documented, and ready to scale. You will report to the IT Operations & Infrastructure Manager. The position is based at our headquarters in Amsterdam, with regular to the production site during construction and commissioning.

Your Responsibilities:

• Build and operate the on-premises server, storage, and virtualization platforms at headquarters and production sites, including the OT hosting environment

• Administer Windows Server and Active Directory, including the domain services that support our production environment

• Manage Microsoft 365, Entra ID, Intune, and Azure resources, preferably through infrastructure as code

• Own backup, recovery, and disaster recovery, including regular restore tests and offline-capable backups for OT systems

• Run patching, hardening, and vulnerability remediation for servers and endpoints

• Manage the hardware lifecycle with our suppliers, from procurement and installation to support and replacement

• Keep documentation, runbooks, and monitoring up to date, and support incident response with our security team and managed SOC provider

Your profile

As a growing company in a rapidly evolving industry, we are looking for people who embrace change and are motivated to actively contribute to building and scaling our business. You are someone who feels comfortable in an entrepreneurial environment, takes ownership, and thrives when things are still developing.

You recognize yourself in the following:

• 3+ years of experience as a System Administrator or similar infrastructure role

• Strong knowledge of Windows Server and Active Directory, including DNS, DHCP, and Group Policy

• Hands-on experience with Hyper-V or VMware (vSphere, ESXi, vCenter) virtualization, including clustering and shared storage

• Experience with Microsoft 365, Entra ID, Intune, and Microsoft Azure