Henrik Willert
Head Of Security Engineering at GMX, WEB.DE & mail.com
Karlsruhe, Baden-Württemberg, Germany
Summary
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Senior🎓
Top SchoolHenrik Willert is Head of Security Engineering with 12 years of hands-on experience securing applications and infrastructure for major web hosting and cloud providers. He leads teams that embed security into the software lifecycle—running threat modeling, penetration testing, Security Champions programs and a bug bounty—while also teaching secure development and incident response. His background spans vulnerability management at scale (covering 80,000+ systems), PCI-DSS and KRITIS-regulated testing, digital forensics, and running a group-wide certificate authority. A former engineering manager and long-time practitioner of localization, testing and tooling, he combines deep technical rigor from a physics and computer science education with pragmatic operational leadership. Based in Karlsruhe, Germany, Henrik is notable for turning large-scale compliance and monitoring challenges into automated, maintainable solutions.
12 years of coding experience
15 years of employment as a software developer
Diplom Physics, Diplom Physics at Otto-von-Guericke University Magdeburgintermediate diploma Physics, intermediate diploma Physics at Justus Liebig University GiessenB.Sc. Computer Sciences, B.Sc. Computer Sciences at DHBW Karlsruhe
English, German
Github Skills (26)
foundation9
security9
owasp9
act9
ssl-certificate8
encrypt8
letsencrypt7
acme7
java7
android-app7
certbot7
python7
kotlin7
certificate6
android6
Programming languages (4)
Github contributions (5)
OWASP/german-owasp-day
Nov 2017 - Jan 2023
German OWASP Day conference site & presentation archive
Contributions:42 commits, 48 PRs, 90 pushes in 5 years 3 months
presentationsecurityconference-sitedayarchive
ZaiLynch/z.ai
Oct 2021 - Jan 2024
Contributions:10 pushes, 2 branches in 2 years 3 months
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