IT Systems Administrator, Cloud & Infrastructure Engineer

Polarstern Experts - IT Personalberatung

IT Cloud & Infrastructure Engineer responsible for maintaining cloud infrastructures and automation projects at Polarstern Experts. Collaborating on IT projects while ensuring system reliability and efficiency.

Posted 6/16/2026full-timeKöln • 🇩🇪 GermanyMid-LevelSenior💰 €75,000 - €92,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudLinuxTerraformVMware

About the role

Key responsibilities & impact

Support and further development of on-premise and cloud infrastructures
Administration of Active Directory, user and permissions concepts
Automation of recurring tasks with PowerShell or Bash
Virtualization with VMware or Hyper-V
Monitoring, analysis and troubleshooting in 2nd- and 3rd-level support
Participation in migrations, optimizations and IT projects

Requirements

What you’ll need

Completed vocational training as an IT specialist for system integration or equivalent qualification
Several years of experience in system administration (Windows & Linux)
Practical experience with AWS cloud environments and Infrastructure as Code using Terraform
Hands-on mentality, structured way of working and team player
Interest in automation and process optimization

Benefits

Comp & perks

Exciting projects in modern IT environments
Opportunity to help shape and further develop the IT landscape
Flexible working hours and possible remote work
Attractive salary and long-term prospects

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

system administrationWindowsLinuxPowerShellBashVMwareHyper-VAWSInfrastructure as CodeTerraform

Soft Skills

hands-on mentalitystructured way of workingteam player

Certifications

vocational training as IT specialist for system integration