Adrien Schildknecht - Software Engineer (Security Infra) at Meta

Adrien Schildknecht

Software Engineer (Security Infra) at Meta

Annecy, Auvergne-Rhône-Alpes, France

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Summary

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Senior

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Top School

Adrien Schildknecht is a software engineer with 13 years of experience specializing in security infrastructure, distributed systems, and cloud-scale reliability. Based in Annecy, France, he builds vulnerability management, network scanning, and compliance systems at Meta while previously architecting FBOSS features and network-monitoring tools. His low-level systems expertise spans kernel and filesystem work at Google and Arista, driver fuzzing at NVIDIA, and hands-on contributions to widely used open-source projects like facebook/fboss, osquery and e2fsprogs. He combines security-first thinking with deep systems programming—implementing warmboot logic for ACL stats, cross-platform network tables, and ext4/squashfs performance improvements. Known for pragmatic problem-solving, he often bridges hardware ASIC behavior and cloud-scale services to deliver measurable reliability gains. Fluent in C/C++ and system internals, he brings both production-grade infra experience and a track record of impactful open-source fixes.

13 years of coding experience

8 years of employment as a software developer

Dual degree (Bachelor's degree), Computer Science, Dual degree (Bachelor's degree), Computer Science at Université Paris-Est Créteil (UPEC)

Exchange Semester, Computer Science, Exchange Semester, Computer Science at University of Amsterdam

Engineer’s Degree, Computer Science, GPA: 3.7, Engineer’s Degree, Computer Science, GPA: 3.7 at EPITA: Ingénierie Informatique

Exchange Semester, Computer Science, Exchange Semester, Computer Science at Shanghai Jiao Tong University

French, English, German

Github Skills (34)

filesystem10

c-language10

system-programming10

qos10

c1110

linux-kernel10

network-programming10

networking10

data-structure10

c1710

fileio10

data-structures10

cprogramming-language10

async9

freebsd9

Programming languages (7)

JavaC++CMakefileGoHTMLPython

Github contributions (5)

facebook/fboss

Apr 2018 - Jan 2019

Facebook Open Switching System Software for controlling network switches.

Role in this project:

Back-end Developer

Contributions:40 commits in 9 months

Contributions summary:Adrien primarily contributed to the core logic of the Facebook Open Switching System. Their work focused on adding support for ACL counters, enabling the collection of statistics on network traffic. This involved modifying and extending the `BcmAclTable` class, implementing new qualifiers like `IpType` and `TTL`, and adding functionality for traffic counter configuration within the configuration files and the `MatchAction` structure. Furthermore, the user implemented and tested the warmboot logic for ACL stats ensuring the correct behavior after restarts.

facebookcontrollingswitchingsystem-softwareswitches

tytso/e2fsprogs

Aug 2016 - Dec 2016

Ext2/3/4 file system utilities

Role in this project:

Back-end Developer & System Architect

Contributions:13 commits in 3 months

Contributions summary:Adrien primarily contributed to the libext2fs library, addressing critical issues and enhancing its functionality. Their work included fixing a buffer size reset problem in the `ext2fs_zero_blocks2` function and replacing `unsigned long` with `uintptr_t` to support win64 architecture. The user also introduced a new `unixfd_io_manager` for direct file descriptor usage and implemented the Android sparse I/O manager. Furthermore, they added context information to the block allocator and implemented several new tools and features within e2fsdroid.

vfstarballfinderadministratorfilesystem

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