Dipl.-Ing. Karsten Iwen

Network-, Security- and WLAN Consulting/Training

See what I do

I can help you with:

Network Design and Planning

Would you like to have a network that is faster, more reliable and more secure? I can help you to reach that.
As a Cisco Certified Internetwork Expert (CCIE) with years of experience I know how stuff works. And yes, also what doesn't work.

Trainings and Workshops

I'm Certified Cisco Systems Instructor (CCSI) and deliver official Cisco Courseware for different Cisco Learning Partners. I can also assist you with Security-Workshops based on Cisco technology.

Area of Expertise:

IOS Routers and Switches
Cisco ASA / Firepower Thread Defense
Identity Services Engine (ISE)
Cisco Web Security Appliance
Cisco E-Mail Security Appliance
AnyConnect VPNs
Cisco Umbrella
Cisco Wireless LAN Controllers
Meraki Fullstack
Juniper Mist WLAN
Securepoint UTM
and much more ...

These are some of my certificates and achievements of the past:

Cisco Certified Internetwork Expert

CCIE #14602 (Security and R/S)

12*Cisco Designated VIP


4* Cisco Meraki All-Star

2021, 2022, 2023, 2024

Certified Cisco Systems Instructor

8*Cisco Instructor Excellence Award 2015-2020, 2022-2023


#90091, since 2006-11-13

Certified Wireless Network Professional (Analysis, Design, Security)

Certified Wireless Network Trainer (CWNT)

And numerous more:

(some of them retired as not relevant any more)

Cisco Certified Internetwork Professional
Cisco Certified Design Professional
CCNP Enterprise, Security, Wireless
Cisco Cyber Security Specialist
Cisco Meraki Solutions Specialist
Certified Wireless IoT Solutions Administrator
Juniper JNCIS-MistAI
Certified Ethical Hacker - CEH
Certified Encryption Specialist - ECES
CIW Security Analyst
VMware Certified Professional
CompTIA Security+ Certified Professional
IPv6 Forum Certified Engineer (Gold)
Securepoint UTM certified Engineer Gold

About this website and contact:

Dipl.-Ing. Karsten Iwen - Willy-Brandt-Allee 31c - 23554 Luebeck - Germany

t: +49-451-25040011 - e: (my initials) @ surname dot de

TAX-ID 22 133 60 142 - VAT-ID DE 13 502 44 86

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