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Florian Ruhnau

Network Administrator

Florian Ruhnau
Berlin, Germany

Experience

Jan 2018 - Present
8 years 2 months
Berlin, Germany

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
Jan 2006 - Dec 2017
12 years
Wilhelmshaven, Germany

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

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Telecommunication (12 years) and Information Technology (8 years).

Telecommunication
Information Technology

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).

Information Technology
Customer Service
Project Management

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

German
Native
English
Advanced

Education

Oct 1998 - Jun 2001

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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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Florian based?

Florian is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Florian speak?

Florian speaks the following languages: German (Native), English (Advanced).

How many years of experience does Florian have?

Florian has at least 20 years of experience. During this time, Florian has worked in at least 2 different roles and for 2 different companies. The average length of individual experience is 10 years and 1 month. Note that Florian may not have shared all experience and actually has more experience.

What roles would Florian be best suited for?

Based on recent experience, Florian would be well-suited for roles such as: Network Administrator, IT System Administrator.

What is Florian's latest experience?

Florian's most recent position is Network Administrator at Smartconnect Berlin.

What companies has Florian worked for in recent years?

In recent years, Florian has worked for Smartconnect Berlin.

Which industries is Florian most experienced in?

Florian is most experienced in industries like Telecommunication and Information Technology (IT).

Which business areas is Florian most experienced in?

Florian is most experienced in business areas like Information Technology (IT), Customer Service, and Project Management.

Which industries has Florian worked in recently?

Florian has recently worked in industries like Information Technology (IT).

Which business areas has Florian worked in recently?

Florian has recently worked in business areas like Information Technology (IT).

What is Florian's education?

Florian attended BBS Wittmund for Agricultural Machinery Mechanic.

Does Florian have any certificates?

Florian has 4 certificates. Among them, these include: Cisco Certified Network Associate (CCNA), CompTIA Network+, and LPIC-1 – Linux Administrator.

What is the availability of Florian?

Florian will be available from March 2026.

What is the rate of Florian?

Florian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Florian?

To hire Florian, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 770-930 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.