Tomoki Sugiura
Digital Design Engineer at Nidek Inc.
Aichi Prefecture, Japan
Summary
🤩
Rockstar🎓
Top SchoolTomoki Sugiura is a Digital Design Engineer and Cloud Platform practitioner based in Aichi Prefecture, Japan, with eight years of engineering experience blending embedded digital design and cloud-native systems. At Nidek he applies hardware-aware engineering sensibilities while concurrently pursuing graduate research at Osaka University, bridging academic rigor with product-focused development. He contributes to high-profile open-source networking work—notably Cilium—where he enhanced end-to-end policy testing and extended ICMP/ICMPv6 support in BPF code, reflecting a strong emphasis on security, observability, and robust QA. Tomoki’s background in information science gives him a systems-level perspective that helps translate low-level protocol details into reliable platform features. Colleagues know him for meticulous testing, practical policy enforcement improvements, and the ability to navigate both silicon-adjacent design and cloud networking challenges.
8 years of coding experience
学士, 情報科学, 学士, 情報科学 at 大阪大学
Japanese, English
Github Skills (16)
kubernetes10
enforcement10
e2e-testing10
gpo10
go10
policies10
ebpf10
e2e10
kubernetes-pods10
e2e-test10
networking9
debug8
debugging8
kernel8
docker6
Programming languages (11)
Github contributions (5)
cilium/cilium
Mar 2021 - Oct 2024
eBPF-based Networking, Security, and Observability
Role in this project:
Backend & QA Engineer
Backend & QA EngineerContributions:43 reviews, 10 PRs, 61 comments in 3 years 7 months
Contributions summary:Tomoki primarily contributed to the testing and policy enforcement aspects of the Cilium project. Their work involved adding and refining end-to-end tests for Cilium Network Policies (CNP), particularly focusing on `fromEntities` and ICMP policies. They addressed issues related to policy tracing, ensuring accurate output for deny rules and adding support for ICMP and ICMPv6 protocols within the policy framework. Furthermore, they contributed to the BPF (Berkeley Packet Filter) code to enhance its ICMP policy support.
bpfcontainerskerneltroubleshootingkubernetes-networking
chez-shanpu/secretary-nfc
Oct 2020 - Mar 2025
https://github.com/chez-shanpu/secretary
Contributions:16 PRs, 9 pushes, 16 branches in 4 years 6 months
chezsecretary
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