Jonas Cirotzki
Cybersecurity Consultant SOC at Liebherr Group
Mainz, Rhineland-Palatinate, Germany
Summary
🤩
Rockstar🎓
Top SchoolJonas Cirotzki is a cybersecurity consultant and SOC specialist with nine years of hands-on experience blending software engineering, detection engineering, and operational security. He has driven SIEM and EDR deployments, authored SOC playbooks and policies, and moved from frontline incident response to designing repeatable SOC workflows at Liebherr. A core contributor to the open-source SORMAS project, Jonas has built integrations like Sormas2Sormas and an auditing subsystem used in pandemic response, and he also contributes Rust back-end improvements to popular tooling such as i3status-rust. Comfortable across DevOps, backend development, and threat hunting, he pairs formal cybersecurity training with practical engineering—often automating and hardening systems where policy meets production. Based in Mainz, he brings a pragmatic, audit-focused mindset and a track record of shipping secure, maintainable solutions in both public health and industrial contexts.
9 years of coding experience
8 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Universität des Saarlandes
German, English
Github Skills (20)
java10
system-monitoring10
javas10
rust10
api-design9
filesystem9
integrations9
file-operations9
bash9
api9
fileio9
docker8
concurrency8
cicd8
dockers8
Programming languages (12)
Github contributions (5)
SORMAS-Foundation/SORMAS-Project
Aug 2020 - Jan 2023
SORMAS (Surveillance, Outbreak Response Management and Analysis System) is an early warning and management system to fight the spread of infectious diseases.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:376 reviews, 687 commits, 380 PRs in 2 years 6 months
Contributions summary:Jonas's contributions primarily involved adding functionality and making configurations for the SORMAS project. The commits show the implementation of a link for samples in various UI files. The user modified server-setup-dev-docker.sh scripts to make them consistent, introduced zulu11 repos, and removed a hard-coded comparison. The user also made changes to the audit process, the S2S system, and added a CodeQL scanner.
management-systemsystem-analysisoutbreakcontact-tracingsurveillance
greshake/i3status-rust
Apr 2017 - May 2017
Very resourcefriendly and feature-rich replacement for i3status, written in pure Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:15 commits, 11 pushes, 4 comments in 1 month
Contributions summary:Jonas primarily focused on implementing features for the i3status-rust project. Their work included creating a template block, a disk usage block, and modifying the time block, indicating a focus on extending the functionality of the status bar application. Additionally, the user resolved merge conflicts, contributing to the project's maintenance and stability. Furthermore, the user implemented several blocks related to disk and CPU, and other system resources.
rustfeature-richpure-rusti3statusreplacement
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