Daniel M
Principal Technical Account Manager at Red Hat EMEA
Kirchseeon, Bavaria, Germany
Summary
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RockstarDaniel Berrangé is a seasoned Software Architect with 20 years of experience specializing in virtualization, security, and systems-level engineering. He is an active open-source maintainer and architect involved with libvirt, QEMU and related projects at Red Hat, and has contributed security and detection features for confidential VMs across systemd and EFI. His hands-on work spans backend, DevOps and QA—improving CI/CD, hardening code, refactoring for maintainability, and adding tests across prominent projects like kubevirt, libvirt, systemd and SELinux. Daniel combines deep platform expertise (TPM, SELinux, AMD SEV/Intel TDX) with practical developer ergonomics—enhancing local workflows, build processes and cross-architecture support—making complex virtualization stacks more robust and secure.
20 years of coding experience
18 years of employment as a software developer
German, English
Github Skills (76)
security-hardening10
python10
testing10
bash10
c1110
glib10
c1710
security10
ci-cd-pipeline10
systemd10
cpuid10
system-programming10
memory-management10
linux10
dockers10
Programming languages (19)
Github contributions (5)
libvirt/libvirt
Dec 2014 - Jan 2023
Read-only mirror. Please submit merge requests / issues to https://gitlab.com/libvirt/libvirt
Role in this project:
DevOps Engineer & System Architect
DevOps Engineer & System ArchitectContributions:260 commits, 7 PRs, 4 pushes in 8 years 2 months
Contributions summary:Daniel primarily contributed to infrastructure and system level changes within the repository. They modified Dockerfiles and CI/CD configurations to support multiple operating systems and architectures, updating dependencies and build processes. Furthermore, the user implemented architectural improvements to address performance bottlenecks, and made changes to incorporate security features that influenced the overall architecture. The user also demonstrated expertise in system administration and configuration management through the various commits related to security configurations and code modifications.
pythonlibvirtgitlabmerge-requestssubmit
virt-manager/virt-manager
Aug 2015 - Jun 2022
Desktop tool for managing virtual machines via libvirt
Role in this project:Back-end Developer & System Architect
Back-end Developer & System ArchitectContributions:3 reviews, 35 commits, 12 PRs in 6 years 11 months
Contributions summary:Daniel primarily focused on enhancing the management and configuration capabilities of virtual machines, particularly in network device handling. Their contributions include adding support for virtual port parameters for various network interface types, such as openvswitch and midonet. Furthermore, they addressed a critical startup issue by avoiding references to ConnectError when it is None, and redesigned the OS distro selection UI for improved usability. Several commits involved refactoring and fixing various aspects of the core functionality, ensuring the stability and reliability of the virtual machine management tool.
vdielectronmachineslibvirtlinux
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