Senior IT Systems Administrator

Join the IT infrastructure team at a sustainability-focused company operating in the climate and resource transformation sector. You will help shape and advance complex IT environments through architecture, operations, and infrastructure projects. What You’ll Do

• Plan, design, and evolve complex IT infrastructures, including creating high-level designs and technical concepts.
• Assess existing system landscapes and develop strategies to improve them.
• Operate and advance server, storage, network, and cloud environments.
• Coordinate and deliver infrastructure projects, working across operations, architecture, and management.
• Handle senior-level troubleshooting and escalation management.
• Document technical standards and establish infrastructure best practices.

• At least 10 years of experience as a system administrator, IT infrastructure specialist, or in a similar role building and operating infrastructure.
• Deep expertise in at least two of these areas: virtualization such as VMware or Hyper-V, Windows or Linux servers, SAN or NAS storage, and cloud platforms such as Azure, AWS, or GCP.
• Strong understanding of IT architecture and infrastructure design, with demonstrated experience developing technical concepts, architecture designs, and high-level designs.
• Experience operating and improving infrastructure environments, delivering projects, and resolving complex technical issues.
• Clear communication and presentation skills, independent problem-solving, and a strong sense of ownership.
• German and English proficiency at C1 level or higher, and current residence in Germany.