Dan Langille
Sysadmin at BSD Certification Group
Pennsylvania, United States
Summary
👤
Senior🎓
Top SchoolDan Langille is a seasoned sysadmin with over two decades spent shaping the full software lifecycle—from requirements gathering and design to post-implementation support and operations. A software engineer turned systems administrator, he combines hands-on development, database design and tuning, and robust operations to deliver reliable infrastructure at scale. Based in Pennsylvania, he has long contributed to open source and major BSD and PostgreSQL ecosystems, including leadership roles with BSDCan and PGCon, and ongoing work with The FreeBSD Project and the PostgreSQL Global Development Group. Currently a sysadmin at Cisco, he draws on deep experience across multiple organizations—from database administration to DevOps-style operations and release management. He has been an open-source contributor since 1998, with notable backend work on LibreNMS where he improved code quality, modernized PHP syntax, and streamlined validation and configuration references. His career spans roles at MeetMe, Bacula, and various BSD/SQL-focused projects, highlighting a sustained commitment to building resilient, well-designed systems.
22 years of coding experience
16 years of employment as a software developer
Bachelor, Computer Science (High Honours), Bachelor, Computer Science (High Honours) at Carleton University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (17)
laravel510
laravel610
laravel1010
network-monitoring10
laravel10
software-quality10
laravel910
php10
laravel810
laravelmix10
laravel-510
laravel710
laravel410
mysql9
configuration-management9
Programming languages (18)
Github contributions (5)
librenms/librenms
Aug 2015 - Feb 2022
Community-based GPL-licensed network monitoring system
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 9 commits, 21 PRs in 6 years 7 months
Contributions summary:Dan contributed to the LibreNMS network monitoring system by addressing code quality issues and making several functional improvements. They fixed spelling errors and updated deprecated PHP syntax to maintain code standards. The user also updated references to configuration files and implemented changes to improve the validation process. Additionally, they bumped the version number, which shows a role in project maintenance and release management.
snmpcommunity-basedlicensedgplphp
FreshPorts/packages-import
Jun 2021 - Feb 2025
Contributions:9 releases, 1 review, 2 PRs in 3 years 7 months
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