Alexander Karl
Security Architect at DIMATA Digitalagentur
Hamminkeln, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolAlexander Karl is a Security Architect and seasoned cybersecurity consultant with a decade of hands-on experience in ethical hacking, cloud IaaS, and networking, currently splitting his time between Capgemini and leadership at DIMATA Digitalagentur. He combines strategic architecture work with practical DevOps and backend engineering—evidenced by contributions to the terraform-provider-netbox project where he improved data sources, added resiliency against NetBox outages, and implemented tests and timeouts. His career blends consultancy, SRE, and CTO responsibilities, reflecting an ability to move from deep technical fixes to organizational infrastructure strategy. Based in North Rhine-Westphalia, he also runs karl.systems as a self-employed systems engineer, underscoring an entrepreneurial streak alongside corporate experience. Colleagues rely on him for pragmatic, auditable security solutions that bridge development, operations, and cloud-native deployments.
10 years of coding experience
7 years of employment as a software developer
Fachhochschulreife - Informations- und Kommunikationstechnik Information Technology, Fachhochschulreife - Informations- und Kommunikationstechnik Information Technology at Berufskolleg WeselFachinformatiker für Anwendungsentwicklung (IHK) Fachinformatiker für Anwendungsentwicklung, Fachinformatiker für Anwendungsentwicklung (IHK) Fachinformatiker für Anwendungsentwicklung at Berufskolleg Bocholt-West
German, English
Github Skills (10)
terraformer10
go10
netbox10
terraform10
terraform-provider10
testing10
devops9
apidoc9
api9
error-handling8
Programming languages (6)
Github contributions (5)
e-breuninger/terraform-provider-netbox
Feb 2022 - Sep 2022
Terraform provider to interact with Netbox
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:6 reviews, 12 commits, 17 PRs in 6 months
Contributions summary:Alexander primarily contributed to the `terraform-provider-netbox` repository by implementing and enhancing data sources, which included adding functionalities to retrieve Netbox tenants and IP addresses. They also addressed a critical issue related to provider crashes when the Netbox connection was unavailable. Additionally, the user implemented tests, fixed a typo, and added a request timeout feature, showcasing their involvement in both backend logic and infrastructure aspects of the provider.
providernetboxinteractterraformterraform-provider
twink0r/terraform-provider-netbox
Feb 2022 - Aug 2024
Terraform provider to interact with Netbox
Contributions:19 pushes, 20 branches in 2 years 5 months
providernetboxinteractterraformterraform-provider
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