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Work#

After graduating in Information Systems Research (a.k.a. Business Informatics) I joined a small software vendor responsible for i-doit. My professional focus is on DevOps with Free/Libre and Open Source Software (FLOSS), sustainable IT, information security, Web services, and the combination of all of them.

Professional skills#

  • DevOps since 2019

    Daily business:

    Infrastructure as code (IaC) DevSecOps Supply chain security/dependency management Continuous integration (CI) Continuous delivery/deployment (CD) Continuous testing (CT) Site reliability engineering (SRE) Observability/monitoring

    Tools I work with:

    Kubernetes (k8s) Helm charts Docker/OCI Ansible/AWX Terraform Packer Git Jenkins Prometheus/Alertmanager/Grafana/Loki

  • GNU/Linux since 2009

    Bash scripting Debian GNU/Linux Ubuntu Linux

  • Web software developing since 2005

    SCRUM and Kanban APIs RESTful architectures Apache/Nginx/HAproxy PHP DBMS, e.g. MariaDB/MySQL/MongoDB Package manager, e.g. NPM, PIP and Composer Unit testing HTML/JavaScript/CSS

  • Information security since 2008

    Secure by design Privacy by default Zero trust Software Bills of Material (SBOM) Attestations and provenance Backup and restore/disaster recovery

  • IT compliance since 2011

    IT service management (ITSM) Configuration management databases (CMDB) IT asset management (ITAM) IP address management (IPAM) Free/Libre and Open Source Software (FLOSS), Creative Commons ISO/IEC 27000 family, BSI IT-Grundschutz

  • Technical documentation since 2012

    Contributing guidelines Code of conducts Security policies

    …written in…

    Markdown MkDocs LaTeX

Languages#

  • German
  • English