Alexander Viftrup Andersen

Security Systems Engineer

Welcome to my

My name’s Alexander and I’m a Security Network Consultant and this is my simplified LinkedIn-resumé-front-page.

My key competences is: Security and Firewalls



Security Systems Engineer

June 2022 - Present

Network consultant working primarily with security solutions - primarily focused on Cisco security suite.

Primarily focus within Cisco Secure Firewall, Umbrella and Secure Workload


Security Systems Engineer

Sep 2020 - June 2022

Network consultant working primarily with security solutions.

Primarily focused on Cisco Secure Firewall

Siemens Gamesa Renewable Energy

OT Cyber Security Architect

Dec 2019 - Sep 2020

Helping the company to mature their cyber security footprint and being complaint within standards like NERC-CIP and ISO-27001.

Siemens Gamesa Renewable Energy

SCADA Network Specialist

Feb 2019 - Jan 2020

Solving “network-issues” by fixing misconfigured servers.

Traveled a lot throughout the world to provide training for regional colleges and on-site troubleshooting/replacement of equipment.

Siemens Wind Power

Data Technician Apprentice

Mar 2016 - Feb 2019

Worked in the Diagnostic Center at Brande providing 3rd level support for network and SCADA systems world-wide.



CCNA - 200-101


Cisco Certified Network Associate

Learned permit ip any any - because route/switch engineers don’t care about security.

CCNA Security - 210-260


Cisco Certified Network Associate Security

Learned deny ip any any - because we like to make people decide their actual traffic flows, and as route/switch people say - make bumps on their wires.

CCNP Switch - 300-115


Implementing Cisco IP Switched Networks

Learned why add keyword is one of the most important pieces of reconfiguring trunks.



Certified Meraki Networking Associate

Learned that Meraki is just a light-version of Cisco classic with a cloud.

CCNP ENCORE - 350-401


Implementing and Operating Cisco Enterprise Network Core Technologies

Learned that SDN is here for the future.