Tim Bruijnzeels
Principal Engineer RPKI at RIPE NCC
Nijmegen, Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolTim Bruijnzeels is a Principal Engineer specializing in RPKI and secure internet routing with 12+ years of experience turning IETF standards and RFCs into production-grade software. He blends a rare mix of hands-on systems engineering (Unix, Java, Scala, Rust) and product ownership, having led projects like Krill and guided RIPE NCC’s RPKI strategy and community engagement. Comfortable with necessary complexity, he prioritizes simplicity, craftsmanship, and functional BDD-style testing to deliver usable tools for real users. A former biologist turned engineer, Tim brings curiosity and cross-disciplinary thinking to deep technical domains. He is active in standards forums (IETF, RIPE) and known for translating protocol work into practical, user-focused implementations.
12 years of coding experience
23 years of employment as a software developer
Computer Sciences, Computer Sciences at Radboud University
English, Dutch, Portuguese
Github Skills (74)
ber10
rsync10
synchronize10
rust-lang10
hsm10
x50910
bgp10
x509certificates10
rust10
hidden10
cer10
certificate10
asn110
pki10
der10
Programming languages (14)
Github contributions (5)
NLnetLabs/krill-sync
Apr 2021 - Nov 2022
A tool to synchronize an RRDP and/or Rsync server with a "hidden" remote RFC 8182 RRDP publication point.
Contributions:9 releases, 66 reviews, 93 commits in 1 year 7 months
rsyncsynchronizationrrdpcollaborationpoint
timbru/rpki-ca
May 2014 - Feb 2015
Contributions:42 commits, 9 pushes, 1 branch in 8 months
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