Bruno Cichon
Operating System Engineer
Głubczyce, Opolskie, Poland
Summary
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SeniorBruno Cichon is an operating system engineer with 11 years of experience specializing in GNU/Linux, low-level networking and filesystems in libre software projects. He maintains and ports Linux distributions—having managed packages and led ARM64 and PPC64LE ports for Parabola GNU/Linux-libre—and runs Gentoo daily while operating mail and WireGuard infrastructure. At Mezzano OS he implemented FAT12/16/32 read-write, added EXT2/3/4 read support, and improved ARP and TCP networking, contributing backend networking and filesystem features to a Common Lisp OS. A long-time FOSS volunteer and Common Lisp enthusiast, he combines pragmatic system administration with deep kernel-adjacent engineering, often working in niche architectures and uncommon stacks.
11 years of coding experience
6 years of employment as a software developer
Spanish, English, Polish
Github Skills (7)
ip10
arp10
common-lisp10
networking10
tcp10
operating-system10
filesystem9
Programming languages (4)
Github contributions (5)
froggey/Mezzano
Aug 2018 - Aug 2020
An operating system written in Common Lisp
Role in this project:
Back-end Developer
Back-end DeveloperContributions:173 commits, 58 PRs, 18 comments in 2 years
Contributions summary:Bruno contributed to the development of Mezzano, an operating system written in Common Lisp. Their work focused on enhancing the networking stack, specifically adding ARP expiration, TCP connection management, including connection establishment and state handling. They also added initial TCP server functionality. Further improvements were made by integrating directory listing capabilities, demonstrating an understanding of filesystem interactions.
operating-systemoperatinglispcommon-lisp
ebrasca/l-system
Aug 2015 - Jun 2017
Contributions:1 release, 26 pushes, 1 branch in 1 year 10 months
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