Mauricio De Oliveira
Software Engineer at Igalia
Brazil
Summary
👤
Senior🎓
Top SchoolMauricio De Oliveira is a GNU/Linux and open source software engineer with a decade of experience specializing in kernel and server sustainment, diagnostics, and performance on enterprise and power architectures. He has driven kernel backports, bug triage, and enablement for IBM POWER systems and supported Ubuntu Server & Kernel analysis for Canonical's Advantage customers, now continuing his work at Igalia. An active open-source contributor, Mauricio improved system diagnostics in the widely used sosreport project and enhanced the stress-ng tool's cryptographic testing capabilities, reflecting deep systems-level troubleshooting skills. His background spans device drivers, multipath I/O, and performance tuning, plus clear technical writing for complex projects like xCAT core. Comfortable across distros and architectures, he combines hands-on kernel engineering with pragmatic documentation and automation practices. A master’s-trained engineer based in Brazil, he often surfaces subtle platform bugs by reconciling userspace, kernel, and tooling interactions.
10 years of coding experience
13 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Universidade Federal de Itajubá
English, portuguese (brazil)
Github Skills (32)
linux10
c-programming10
c1110
linux-kernel10
stress-testing10
c1710
kernel10
system-administration10
documentation10
data-structure9
main-memory9
algorithm9
algorithms9
networking9
python9
Programming languages (9)
Github contributions (5)
sosreport/sos
Nov 2020 - Aug 2022
A unified tool for collecting system logs and other debug information
Role in this project:
DevOps Engineer
DevOps EngineerContributions:6 reviews, 8 commits, 5 PRs in 1 year 9 months
Contributions summary:Mauricio primarily contributed to enhancing the functionality and reliability of the `sosreport/sos` repository. They focused on improving the gathering of system logs and debug information by modifying how the tool interacts with network namespaces. This included introducing features to filter namespaces, ensuring correct handling of standard error output, and refactoring code for improved maintainability. These modifications streamlined the collection of information, enhancing the tool's ability to provide comprehensive system diagnostics.
loggingcollectingdebugsystem-logslogs
xcat2/xcat-core
Nov 2015 - Nov 2015
Code repo for xCAT core packages
Role in this project:Technical Writer
Technical WriterContributions:18 commits, 4 PRs, 25 comments in 17 days
Contributions summary:Mauricio primarily contributed to the project by updating and improving documentation. Their commits focused on refining existing documentation, clarifying instructions, and correcting typos across various guides. The changes span multiple sections, including architecture overviews, network planning, and hardware discovery, indicating a broad focus on improving the clarity and accuracy of the documentation for xCAT.
bare-metalprovisioningremote-executioninfrastructureinfrastructure-management
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