Malte Gräbner
Senior System Engineer at OpusDNS
Regensburg, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolMalte Gräbner is a Senior System Engineer specializing in Kubernetes-based platform architecture, high-availability engineering, and infrastructure modernization with over a decade of hands-on experience across datacenters, UNIX/Linux clusters, and cloud-native transformations. He has led infrastructure teams and delivered platform automation and GitOps solutions (Ansible, ArgoCD, GitLab-CI) in roles from datacenter operator to Head of Infrastructure and founder, now available for freelance engagements via his GmbH. Known for blending deep technical expertise with pragmatic, delivery-focused execution, he emphasizes observability and SRE practices to keep platforms performant and secure at scale. His background includes security-conscious environments (Infineon) and running both on-prem and hybrid Kubernetes architectures, giving him a practical edge in migration projects. Colleagues value him as a coach who enables teams to adopt sustainable platform practices rather than just handing off tooling. Based in Regensburg, Germany, he brings entrepreneurial discipline and contract-ready professionalism to every engagement.
7 years of coding experience
6 years of employment as a software developer
Fachinformatiker für Systemintegration, Fachinformatiker für Systemintegration at Stadtverwaltung Jülich
Github Skills (116)
phpmyadmin10
lamp10
backup10
docker-container10
virtual-hosts10
migrate10
volumes10
docker-compose10
compose10
agile10
mysql10
docker10
docker-image10
php10
nginx10
Programming languages (9)
Github contributions (5)
sprintcube/docker-compose-lamp
Jul 2019 - Dec 2022
A basic LAMP stack environment built using Docker Compose.
Contributions:3 reviews, 122 commits, 66 PRs in 3 years 5 months
nginxdocker-imagemysqlphplamp-stack
MrOffline77/nanorc
Apr 2020 - Aug 2020
Contributions:10 pushes, 1 branch in 3 months
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