Our client is a leading independent provider of technology products and mobile services in Germany. They operate under two strong business segments: the B2C brands Sparhandy, DEINHANDY, Handystar, and HIGH Mobile, as well as mobilezone exchange and the B2B brand mobilezone handel.

With over 400 employees working across locations in Cologne, Bochum, Münster, Mühlheim am Main, and fully remote, they foster a modern, value-driven culture where every individual counts.

What they offer:

• Remote work options
• Urban Sports Club membership
• JobRad (bike leasing program)
• Company and team events
• Modern work culture and supportive team environment

Your Role:

Are you a network professional ready for a new challenge that truly leverages your skills and experience? This role focuses on further developing and maintaining secure and modern IT infrastructures within a dynamic, tech-forward environment.

Your key responsibilities will include:

• Cloud Operations: Build and operate secure, high-availability IT infrastructures as part of the Cloud Operations team
• Network Administration: Manage and optimize LAN/WAN/WLAN environments for maximum reliability
• Firewall Management: Configure and maintain firewalls and switches with a strong focus on network security
• Cloud Networks: Assist in the planning, integration, and operation of cloud networks (Azure & AWS)
• Monitoring: Expand and maintain monitoring systems to detect and prevent issues proactively
• Project Work: Collaborate across departments to develop innovative infrastructure solutions

Your Profile:

• Experience: 3+ years in a network administrator or similar role
• Technical expertise: Deep knowledge of network design, WLAN, SD-WAN, VPN, firewalling, routing & switching
• Familiarity with protocols such as TCP/IP, BGP, OSPF, DHCP, DNS, and ISIS
• Automation & Scripting: Hands-on experience with Bash/Shell or Python for network automation
• Solid understanding of DMZ, PKI, remote access, and complex network service delivery
• Knowledge of Infrastructure as Code (IaC) and willingness to develop further
• Bonus: experience with monitoring systems and SIEM
• Comfortable with client/server/storage systems and skilled in troubleshooting
• Fluent in German and English
• Strong team spirit, curiosity for modern technologies, and a hands-on mindset

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