IT-Systemadministrator – Datacenter & Infrastructure (m/w/d)

Responsibilities

We are representing a confidential renewable energy organization seeking an IT Systems Administrator for their Karlsruhe location. In this role, you will:

• Analyze complex IT infrastructure issues independently, identify root causes, and implement structured solutions across systems and locations
• Operate, monitor, and develop network landscapes including LAN, WAN, WLAN, VPN, and site interconnections
• Administer and optimize critical data center components such as firewalls, storage systems, backup solutions, switches, and other infrastructure services
• Plan and execute capacity, availability, and lifecycle management measures to ensure infrastructure scales reliably with organizational growth
• Design secure, standardized infrastructure solutions for new sites, expansions, and modernization projects
• Support high-performance workstations in collaboration with IT support and specialized departments
• Maintain structured documentation and track changes, problems, and technical tasks in Jira Service Management

What We're Looking For

• Completed IT training (e.g., IT specialist for system integration), IT degree, or comparable qualification with relevant professional experience
• 5 to 8 years of professional experience administering and operating complex IT infrastructures
• Strong knowledge of network technologies including TCP/IP, VLAN, routing, switching, WLAN, WAN, VPN, DNS, and DHCP
• Expertise in administering Windows-based IT infrastructures
• Hands-on experience with multiple technologies such as firewalls, Microsoft Entra ID, storage systems, backup solutions, and PowerShell
• Experience in cross-system troubleshooting, root cause analysis, and operating secure, multi-site infrastructures
• Analytical, solution-oriented, and independent working style with strong technical documentation skills
• Experience with IT service management processes
• Clear and professional communication skills; ability to collaborate constructively with internal and external stakeholders
• Willingness to travel to external sites and data centers as needed
• Excellent German and good English language skills (written and spoken)

How We Work With You

Our talent team at Get A Job.ai partners with leading organizations to connect exceptional IT professionals with transformative opportunities. When you apply through our platform, a dedicated recruiter will review your qualifications and conduct an initial screening. If there's a strong match, we will submit your profile to our client for consideration. Please note: we ask that you do not contact the employer directly, as all communication is managed through Get A Job.ai to ensure a professional and streamlined process.

Position Details

This is a full-time (40 hours per week), permanent position based in Karlsruhe. The role offers flexible working hours, 30 days of annual leave, comprehensive onboarding, corporate wellness benefits, retirement planning, and employee discount programs.

Pay

Compensation details will be discussed during the screening process with Get A Job.ai.

Equal Employment Opportunity: Get A Job.ai is committed to inclusive recruiting practices and works with clients who value diversity and equal opportunity employment.