System Administrator

Academic Key; Amsterdam; Hybrid; EUR 55,000 - 75,000; Full time

Job summary

SkyNRG in Amsterdam is looking for a System Administrator to own and evolve our hybrid IT infrastructure, from Microsoft 365 and Azure to on‑premises servers, storage, and OT hosting. The role combines corporate and production-site support, with travel to the production site during construction and commissioning.

You’ll build, harden, and operate critical systems, manage AD, M365, Entra ID, Intune, and VMware/Hyper‑V environments, and implement backup, DR, patching, and security monitoring.

Qualifications

• 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 virtualization (vSphere/ESXi/vCenter) including clustering and shared storage.
• Experience with Microsoft 365, Entra ID, Intune, and Microsoft Azure.
• Experience with backup and disaster recovery tooling and processes.
• Experience managing HPE server and storage hardware.
• PowerShell scripting for automation and administration.
• Professional working proficiency in English.

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.

Skills

Windows Server

Active Directory

Hyper-V

VMware

Microsoft 365

Entra ID

Intune

Azure

Backup & DR

PowerShell

English proficiency

HPE hardware

Tools

HPE hardware

Job description

System Administrator

Skynrg · Amsterdam

Abroad Amsterdam Full Time Link validated

About the role This isn’t a role where everything has already been built. As SkyNRG expands its Sustainable Aviation Fuel production capabilities, our IT infrastructure is growing with us. We are looking for a System Administrator who is excited to build, improve, and take ownership of the infrastructure supporting both our corporate environment and new production sites. From Microsoft 365 and Azure to on-premises servers, storage, virtualization, and OT hosting environments, this role offers broad ownership across SkyNRG’s hybrid infrastructure. The focus is clear: keeping critical systems secure, resilient, and ready to scale as the company grows. Based at our Amsterdam headquarters, the role also involves regular travel to our production site during construction and commissioning and reports to the IT Operations & Infrastructure Manager.

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
• Experience with backup and disaster recovery tooling and processes
• Experience managing HPE server and storage hardware
• PowerShell scripting for automation and administration
• Professional working proficiency in English

Nice-to-haves

• Microsoft (for example AZ-104 or MD-102), VMware VCP, ITIL, or similar certifications
• Infrastructure as code with Bicep or Terraform, and Git-based workflows
• Experience administering SQL Server databases
• Experience supporting OT or industrial environments, or working alongside automation vendors
• Knowledge of infrastructure monitoring and security hardening (for example CIS benchmarks)
• Experience working in regulated environments (for example NIS2 or ISO 27001)
• Dutch language skills

About SkyNRG

Since 2009, SkyNRG has been a change maker in the aviation industry. We are dedicated to supplying and producing high-integrity Sustainable Aviation Fuel (SAF), making sustainable aviation a reality. Collaboration is fundamental to achieving our ambition. We nurture genuine relationships with global partners in our drive to make SAF the alternative to fossil jet fuel. Our in-house team of SAF experts have helped over 60 airlines and corporates reduce their climate impact using the Book & Claim mechanism; the most transparent and traceable way to support aviation sustainability with real emission reductions. Sustainability is woven into the fabric of our company. We maintain an independent Sustainability Board, which advises the company on feedstocks and provides strategic guidance on wide-ranging sustainability issues. SkyNRG operations are certified against the RSB EU RED, CORSIA, and Book & Claim standards.

At SkyNRG, you’ll find

• An innovation-driven culture - where big ideas turn into real impact
• Growth opportunities - in a fast-scaling, industry-changing company
• A collaborative team - where your ideas and expertise are valued
• A mission that matters - leading the change in the energy transition by producing and supplying high-integrity SAF

What we offer

We offer a brand-new office in the heart of Amsterdam, designed for collaboration and creativity. Most importantly, you’ll have the opportunity to contribute to a truly game-changing green init

Academic Key will never request login credentials or application fees for this role.