Curriculum Vitae
About
- Name
- Johannes Arnold
- johannes@rnold.online
Employment History
Linux Consultant, B1 Systems GmbH (2025 – present)
Work with clients across the European Union with a special focus on open-source solutions supporting digital sovereignty.
Projects
- Linux Client Management
- Automated deployments and patch management for Ubuntu and tailor-made atomic BootC distributions for workstation and server use for both corporate and public sector clients based on SaltStack, Foreman, and Podman.
Trainings
Next to my usual consulting work, I also held trainings on the following topics:
- S1374
- Linux Debian/Ubuntu Basic Administration
- S1373
- Linux Server Basic Administration
- S120
- Linux/UNIX System Administration
Systems Engineer, KKH Kaufmännische Krankenkasse (2024 – 2025)
- Continuation of work-study position in full-time
- Additional responsibilities of enterprise workload automation
Work-Study Trainee, KKH Kaufmännische Krankenkasse (2023 – 2024)
- Integration of Debian into an existing SLES environment
- Introduction of Git and GitLab pipelines for management of configuration files
Undergraduate Assistant, Leibniz University of Hannover (2020 – 2023)
- Assistant to IT Administrators at the Institute of Continuum Mechanics
- Introduced containerization to existing and new software
- Developed numerous small, internal applications in Python, Go and PHP
Certifications
- SUSE Certified Engineer (SCE) in SUSE Linux Enterprise Server 15 [Certificate]
- SUSE Certified Administrator (SCA) in SUSE Linux Enterprise Server 15 [Certificate]
Education
Bachelor of Science in Computer Science, Leibniz University of Hannover
- Thesis: On the Power Estimation of a RISC-V Platform using Performance Monitoring Counters and RTOS Events [Link]
- Minor in Business Administration
- Electives focused in distributed computing and systems programming.
High School Diploma, Cypress Ridge High School (Houston, TX)
- Graduation with honors