Thorsten Ludwig - Network Architect for IPv6 Test House

Q: Where is Thorsten based?

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

Q: What languages does Thorsten speak?

Thorsten speaks the following languages: German (Advanced) .

Q: How many years of experience does Thorsten have?

Thorsten has at least 25 years of experience. During this time, Thorsten has worked in at least 14 different roles and for 12 different companies . The average length of individual experience is 2 years and 8 months . Note that Thorsten may not have shared all experience and actually has more experience.

Q: What is Thorsten's latest experience?

Thorsten's most recent position is Infrastructure Architect IPv6 Test Lab at Federal authority .

Q: What companies has Thorsten worked for in recent years?

In recent years, Thorsten has worked for Federal authority and PITNAS GmbH .

Q: Which industries is Thorsten most experienced in?

Thorsten is most experienced in industries like Information Technology , Banking and Finance , and Government and Administration . Thorsten also has some experience in Telecommunication , Automotive , and Manufacturing .

Q: Which business areas is Thorsten most experienced in?

Thorsten is most experienced in business areas like Information Technology , Operations , and Project Management . Thorsten also has some experience in Product Development and Sales .

Q: Which industries has Thorsten worked in recently?

Thorsten has recently worked in industries like Information Technology and Government and Administration .

Q: Which business areas has Thorsten worked in recently?

Thorsten has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Berlin, Germany

Check rate

Experience

Feb 2024 - Dec 2024

11 months

Infrastructure Architect IPv6 Test Lab

Federal authority

Infrastructure architect for a test lab for all federal authorities IPv6
Support for internal IT with design questions

Jan 2023 - Present

3 years 8 months

Network Architect / IT Consultant

Federal authority

IT infrastructure design with a focus on network architecture for a subproject
Creation of WLAN designs for various concepts

Nov 2022 - Jun 2023

8 months

IT Infrastructure Architect Test Lab

Federal authority

Development of high-level and detailed concepts for a test lab

Dec 2020 - Apr 2021

5 months

Interim Manager and Technical Team Lead Network Management

Douglas Informatik GmbH

Team lead in the network team
Security assessment
Support in process design

Oct 2020 - Dec 2022

2 years 3 months

Product and Portfolio Manager

Federal authority

Introduction of new connections for authorities in the VS-NfD area in coordination with the BSI
Introduction of new mobile access solutions for authorities
Technical support in the area of network architecture

Nov 2017 - Jun 2020

2 years 8 months

Change and Asset Manager

NTT Germany AG & Co KG

Change and asset management according to ITIL for 12 sites in Germany and Austria (LAN, WLAN, WAN, Data Center)
Leading around 50 on-site engineers
Direct communication with customer management
Introduction and review of new change processes in the LAN, WLAN, WAN, and Data Center areas
Management of around 25,000 Cisco devices
Customer: MAN Truck and Bus, MAN Diesel Turbo (VAG)

Nov 2016 - Oct 2017

1 year

Support Engineer

Dimension Data AG & Co KG

Support in the Network Operation Center (NOC) for LAN, WLAN, WAN, and Data Center
Customers: MAN Truck and Bus, MAN Diesel Turbo (VAG)

Sep 2016 - Present

10 years

Managing Partner

PITNAS GmbH

Self-employed work as an IT consultant for SMB and enterprise infrastructures in the areas of network and security
Process design and support with the introduction of new IT-related processes
Planning and building/rebuilding networks, network design, WLAN infrastructures, and concept creation for projects
Change and asset management as well as product and portfolio management
Sales of IT hardware and troubleshooting in various areas
Remote service and on-site service (specialized in HP/Aruba, Cisco, DELL, Ubiquiti, LANCOM)
Firewall experience with Cisco, Check Point, WatchGuard, Sophos, Genua, Securepoint
Data center design and WLAN site surveys with Ekahau

Apr 2015 - Oct 2016

1 year 7 months

IT Consultant and Pre-Sales

Kupper Computer GmbH

System engineering, pre-sales, and IT consulting mainly for network and security topics
Vendors: HP/Aruba, Cisco, DELL, WatchGuard, Ubiquiti, VMware, Veeam
Customers: city administrations in Saxony and Thuringia, CJD private schools, Spitzke, Charité Campus, LKA Berlin, Cottbus Chamber of Crafts, Jerichower Land rescue coordination center, HelloFresh, Fenstertechnik Brand, KROLL logistics

Dec 2012 - Mar 2015

2 years 4 months

Network System Administrator

RBS-RoeverBroennerSusat

2nd/3rd level support and network administration for 12 locations
Migration and redesign of two companies into one network with a new IP and VLAN concept
Setup of a new VMware cluster structure and redesign of the backup structure
Support of internal systems (Cisco IronPort, Check Point firewall, Cisco ASA5550, Kemp load balancer, WatchGuard cluster, Alcatel PBX)
Introduction of VoIP and NAC system from MACMON
Creation of operating and user manuals and training of 1st level support

Jun 2012 - Nov 2012

6 months

Network Administrator

Autovision GmbH / Carmeq GmbH

Internal helpdesk and client support
Network administration of the internal network and connection to VAG
Alcatel PBX administration
Implementation of an IDS/IPS

Jun 2009 - May 2012

3 years

Systems and Network Administrator

Interoute Germany GmbH

Infrastructure IT and Microsoft environments
Design of new data center fire zones
Project management and implementation of new customer projects in managed service hosting
Capacity planning in the data center
Network designs for customer projects
Customers: Schwarz, AirBerlin, YouGov, Sulake, Sevenload, Bayer CropScience, Sony Germany, Tradegate

Jan 2009 - May 2009

5 months

Systems and Network Administrator

Freelancer

LAN network and infrastructure IT
Siemens PBX systems
Customers: Landesbank Berlin, Berliner Bank, Deutsche Telekom AG

Mar 2001 - Feb 2008

7 years

Service Technician

TSG

Maintenance of cash machines and bank networks (LAN)

Aug 1996 - Jul 1997

1 year

PC Technician

Computer System 2000

PC support and service

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Banking and Finance, Government and Administration, Telecommunication, Automotive, and Manufacturing.

Information Technology

Banking and Finance

Government and Administration

Telecommunication

Automotive

Manufacturing

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Project Management, Product Development, and Sales.

Information Technology

Operations

Project Management

Product Development

Sales

Skills

Network Infrastructure
Process Design
Change Management
It Consulting
It Infrastructure Design
Wlan Design
It Infrastructure Auditor
It Expert For It Security

Languages

German

Advanced

Education

Feb 2006 - Dec 2008

Diploma Network Manager (FH) · Network Management

Aug 1997 - Jan 2001

Electrical technician for industrial engineering

Realschule

School education

Certifications & licenses

3CX Basic Cert

CERT+ Auditor and Engineer for SME infrastructures

Ekahau WLAN Design ECSE

Extreme Certified Expert Networking

Genua Genugate Specialist

IT expert according to DGuSV for IT security and IT infrastructures

Masterclass Columbia University for Technology Management NewYork

Masterclass Northeastern University Center for Technology Management & Digital Leadership Cybersecurity EMEA

NIS2-Professional Auditor

Nutanix NPSR Sales Expert

Rapid7 Sales Essentials

Securepoint Expert for email archiving

Securepoint NG UTM Firewall Expert

Synology Backup Architect

Synology DSM Architect

VMware vSphere 5.5

Veeam VMSP and VMTSP

Statistics

Experience

Total positions 15

Experience in Information Technology 17.5 y

Avg length 2 y 5 m

Longest experience 9 y 11 m

Expertise

Recent roles Infrastructure Architect IPv6 Test Lab, Network Architect / IT Consultant, IT Infrastructure Architect Test Lab

Main industries Information Technology, Banking and Finance, Government and Administration

Main business areas Information Technology, Operations, Project Management

Qualifications

Certifications earned 21

Profile

Created

April 2025

Last Update

August 2026

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Frequently asked questions

Have questions? Find more information here.

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

Thorsten speaks the following languages: German (Advanced).

Thorsten has at least 25 years of experience. During this time, Thorsten has worked in at least 14 different roles and for 12 different companies. The average length of individual experience is 2 years and 8 months. Note that Thorsten may not have shared all experience and actually has more experience.

Based on recent experience, Thorsten would be well-suited for roles such as: Infrastructure Architect IPv6 Test Lab, Network Architect / IT Consultant, IT Infrastructure Architect Test Lab.

Thorsten's most recent position is Infrastructure Architect IPv6 Test Lab at Federal authority.

In recent years, Thorsten has worked for Federal authority and PITNAS GmbH.

Thorsten is most experienced in industries like Information Technology, Banking and Finance, and Government and Administration. Thorsten also has some experience in Telecommunication, Automotive, and Manufacturing.

Thorsten is most experienced in business areas like Information Technology, Operations, and Project Management. Thorsten also has some experience in Product Development and Sales.

Thorsten has recently worked in industries like Information Technology and Government and Administration.

Thorsten has recently worked in business areas like Information Technology and Product Development.

Thorsten attended education in Network Management.

Thorsten has 21 certificates. Among them, these include: 3CX Basic Cert, AEVO – IHK trainer for IT specialist, and CERT+ Auditor and Engineer for SME infrastructures.

Thorsten is immediately available part-time for suitable projects.

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

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

Daily Rate Distribution

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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.

Average rates for similar positions

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Daily rate avg. 794 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800

600

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Median rate 760 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.