Manabu Sugimoto
Software Engineer at libseccomp-rs
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolManabu Sugimoto is a system software engineer based in Tokyo with ~6 years specializing in Linux kernel, hypervisors, and container virtualization, using Rust/C/C++ to deliver production-quality systems. He leads performance tuning, root-cause analysis, and security (including SELinux and seccomp) for automotive E&E platforms at Sony Honda Mobility and has driven container startup and footprint improvements in embedded environments. An active open-source maintainer, he leads Kata Containers work under the OpenInfra Foundation, authored libseccomp Rust bindings, and created runk, a lightweight Rust OCI runtime that emphasizes speed and low memory use. Beyond code, he mentors engineers and shapes OSS licensing and CI strategies for safe production use, blending deep low-level systems expertise with practical operational stewardship.
5 years of coding experience
5 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Keio University
English, Japanese
Github Skills (8)
container10
containerd10
rust10
seccomp10
system-security10
c-programming9
containerization9
virtualization8
Programming languages (7)
Github contributions (5)
kata-containers/kata-containers
Feb 2021 - Nov 2022
Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/
Role in this project:
Back-end & Security Engineer
Back-end & Security EngineerContributions:135 reviews, 61 commits, 58 PRs in 1 year 9 months
Contributions summary:Manabu primarily contributed to the Kata Containers project by working on the `rustjail` component, focusing on security-related enhancements and low-level system interactions. Their work included implementing dynamic capability retrieval, utilizing the `rlimit` crate, and updating seccomp configurations to align with the OCI specification. The user also added support for seccomp, which is enabled by default but disabled, and addressed issues with the agent's behavior.
firecrackervirtualizationociworkloadvdi
ManaSugi/kata-containers
Feb 2021 - Sep 2023
Contributions:198 pushes, 62 branches in 2 years 7 months
containersisolationvms2-xmachines
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