Mathias Petermann
Kubernetes DevOps Engineer at Swisscom
Greater Bern Area Switzerland
Summary
🤩
Rockstar🎓
Top SchoolMathias Petermann is a Kubernetes DevOps engineer with 13 years of experience evolving from software developer to Linux system and platform engineer, currently building cloud-native tooling at Swisscom in the Greater Bern Area. He focuses on automating repetitive tasks and optimizing developer workflows with microservices and platform engineering practices that speed up day-to-day operations. His background spans hands-on roles at Unic, Projektfokus, Swiss Post, and contributions to notable open-source projects like Netflix’s Lemur—where he improved ACME plugin functionality and operational documentation. Practical, detail-oriented, and automation-first, he blends backend experience with system-level thinking to make infrastructure more maintainable and developer-friendly.
13 years of coding experience
11 years of employment as a software developer
EFZ, Computer Software Engineering, EFZ, Computer Software Engineering at Wirtschaftsinformatik Schule Schweiz (WISS)
German, English, French
Github Skills (10)
python10
acme10
documentation9
security9
redis9
ssl9
aws7
api-design7
apim7
api7
Programming languages (14)
Github contributions (5)
Netflix/lemur
Aug 2020 - Nov 2020
Repository for the Lemur Certificate Manager
Role in this project:
Back-end Developer
Back-end DeveloperContributions:17 reviews, 73 commits, 8 PRs in 3 months
Contributions summary:Mathias focused on enhancing the Lemur Certificate Manager's functionality by adding and modifying configuration options. They implemented features related to the ACME (Automated Certificate Management Environment) plugin, including storing and reusing ACME account details. Furthermore, the user addressed documentation gaps, improving the information available to system administrators. The user also corrected a schema and implemented a fix for DNS providers.
pythonsslssl-certificatessecuritytls
unic/lemur
Sep 2020 - Nov 2020
Repository for the Lemur Certificate Manager
Contributions:75 pushes, 11 branches, 3 tags in 2 months
securitytlscertificatelemurcertificate-manager
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