> Markdown version of [/jobs/ext/2824919-senior-it-systems-administrator-network-security-gesucht-in-berlin](https://www.wearedevelopers.com/jobs/ext/2824919-senior-it-systems-administrator-network-security-gesucht-in-berlin). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IT Systems Administrator Network & Security gesucht in Berlin - **Company:** Motor Gmbh - **Location:** Berlin, Germany (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Monitoring of Systems, Network Security, Network Troubleshooting, Network Configuration and Change Management, Network Architecture, Network Planning and Design, Network Monitoring, Performance Tuning, Virtual Local Area Networks, Computer Network Technologies, System Availability, Break Fix, Information Technology, Routing & Switching, User Accounts - **Published:** September 10, 2026 - **Apply:** https://www.lokale-kleinanzeigen.de/stellenanzeige/senior+it+systems+administrator+m+f+d+network+und+security_l16684028.html ## About the Role * A degree in IT/Computer Science, completed vocational training as a System Administrator, or equivalent hands-on experience * Strong knowledge of network technologies, network architecture, and network design * Confident, hands-on experience with routing & switching and network monitoring toolsExperience integrating and implementing VLANs * A track record in troubleshooting, performance tuning, and regular maintenance/patching * At least 7 years of relevant experience, with the confidence to work independently * Fluent English (C1) is required; German (B2/C1) is a plus * First hands-on experience with UniFi devices is a plus * A stress-resistant, solution-oriented mindset, real hands-on energy, and genuine enthusiasm for building something from scratch and seeing it work in the real world ## Description * Monitor, maintain, and support the network infrastructure to ensure high availability across the company * Implement and continuously monitor security measures to protect the network against unauthorized access * Monitor system performance and network integrity, spotting bottlenecks and issues before they become problems * Manage user accounts, permissions, and access rights * Analyze and resolve network issues, including hands-on troubleshooting and performance tuning * Own regular maintenance, patching, and system hygiene * Create and maintain clear documentation of network configurations * Prepare and maintain documentation relevant to certifications and compliance frameworks such as NIS2 and ISO 27001