Florian Ruhnau
Network Administrator
Experience
Network Administrator
Smartconnect Berlin
- Configuration and management of routers and switches (e.g., Cisco, HP)
- Setup and expansion of networks in enterprise environments
- Wi-Fi site surveys and optimization (e.g., with Ekahau, NetSpot)
- Implementation of security policies and access controls
IT System Administrator
Deutsche Telekom
- Administration and maintenance of Windows and Linux servers
- Setup and support of Wi-Fi and LAN infrastructures
- Network segmentation, firewall management, VPN setup
- Planning and execution of IT projects
- User support (1st and 2nd level support)
- Documentation and monitoring (e.g., with PRTG, Zabbix)
Industries Experience
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Experienced in Telecommunication (12 years) and Information Technology (8 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (20 years), Customer Service (12 years), and Project Management (12 years).
Summary
Dedicated IT specialist with a focus on network technologies, wireless infrastructures, and system administration. Many years of experience in planning, implementing, and maintaining complex IT systems, as well as in providing user support and training. Goal-oriented, strong problem solver, and team player.
Skills
- Operating Systems: Windows Server (2016/2019/2022), Linux (Ubuntu, Debian, Centos)
- Networking: Tcp/ip, Dhcp, Dns, Vlan, Vpn, Firewall Management
- Hardware: Cisco, Hp, Ubiquiti, Mikrotik
- Wireless: Wi-fi Site Surveys, Troubleshooting, Access Point Configuration
- Scripting/automation: Powershell, Bash
- Virtualization: Vmware Esxi, Hyper-v
- Monitoring: Prtg, Zabbix, Nagios
- Backups: Veeam, Acronis
- Documentation: Confluence, Itil Basics
- Soft Skills: Teamwork, Structured Work Style, Strong Problem-solving Skills
Languages
Education
BBS Wittmund
Agricultural Machinery Mechanic · Wittmund, Germany
Certifications & licenses
Cisco Certified Network Associate (CCNA)
CompTIA Network+
LPIC-1 – Linux Administrator
Microsoft Certified: Windows Server Administrator
Profile
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