Florian Obser
Principal System Engineer at IETF
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolFlorian Obser is a Principal System Engineer with 14+ years of professional experience and more than two decades of hands-on work across programming, system administration, and network engineering. He runs a global anycast DNS constellation for k.root-servers.net, contributes to large-scale internet measurement backends like RIPE Atlas and RIS, and leads DNS product and technical efforts at RIPE NCC. A long-time OpenBSD developer, he writes privilege-separated network daemons in C and has deep expertise in BGP, DNS, MySQL/Postgres, and configuration management (Ansible/Salt/Cfengine). His open-source contributions include stability and feature fixes to PowerDNS, reflecting a pragmatic focus on reliability in critical infrastructure. Active in standards and governance, he serves in IETF directorates and RSSAC, bridging operational practice with protocol development. Based in Amsterdam, he blends low-level systems craftsmanship with operational leadership for some of the internet’s most critical services.
14 years of coding experience
21 years of employment as a software developer
Technischen Universität DarmstadtStaatlich geprüfter Mathematisch Technischer Assistent, Staatlich geprüfter Mathematisch Technischer Assistent at Georg-Christoph-Lichtenberg-Schule Kassel
English, geman
Github Skills (12)
auth10
authorisation10
powerdns10
c-language10
cprogramming-language10
authority10
networking9
system-programming9
openbsd8
dns8
recursion6
recursive6
Programming languages (8)
Github contributions (5)
PowerDNS/pdns
May 2013 - Dec 2017
PowerDNS Authoritative, PowerDNS Recursor, dnsdist
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 commits, 8 PRs, 16 comments in 4 years 7 months
Contributions summary:Florian's commits primarily focus on addressing build and runtime issues in the PowerDNS code base. These include fixing platform-specific header file include paths, initializing variables to prevent crashes, and including necessary header files for core functionality. Additionally, the user implemented a feature to notify slaves after DNS updates, demonstrating an understanding of the system's behavior and communication protocols. These changes indicate a focus on improving the stability and reliability of the PowerDNS authoritative server.
dnsdistpowerdns-recursordnssystems-programmingrecursor
fobser/unbound
Dec 2019 - Feb 2025
Unbound is a validating, recursive, and caching DNS resolver.
Contributions:20 pushes, 45 branches in 5 years 3 months
resolvednsmasqdnsresolvereve
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