Tobias Klauser - Co-Founder Of Klauser Lienhard LLC

Tobias Klauser

Co-Founder Of Klauser Lienhard LLC

Zurich, Zurich, Switzerland

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Summary

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Rockstar

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Top School

Tobias Klauser is a Zurich-based founder and systems engineer with 26 years of experience building low-level, production-grade software and design ventures. As Co-Founder of Klauser Lienhard LLC he combines an architectural and fine-arts education with deep technical expertise to solve systems problems with pragmatic, well-crafted solutions. His open-source footprint spans high-profile projects like the Linux kernel, runc, containerd, WireGuard and syzkaller, where he repeatedly modernized system-call usage, cross-platform support and new-architecture ports (including riscv64 and ARM64). Tobias excels at bridging DevOps and backend engineering—improving build systems, dependency hygiene and kernel/eBPF tooling for observable, reliable networking stacks. His background in fine art and architecture gives him a rare sensitivity for design and maintainability in low-level code, and he often focuses on portability and correctness across diverse OSes and architectures.

26 years of coding experience

Dipl. Arch ETH, Architektur, Dipl. Arch ETH, Architektur at Eidgenössische Technische Hochschule Zürich

Heimo Zobernig, Heimo Zobernig at Akademie der bildenden Künste Wien

Master of Arts in Fine Art, Master of Arts in Fine Art at Zürcher Hochschule der Künste ZHdK

Github Skills (125)

dependency-management10

go-modules10

lexer10

ebpf10

go-language10

testing10

command-line-interface10

test-framework10

c1110

file-operations10

bpf10

refactor10

wireguard10

security10

c1710

Programming languages (21)

SmartyPowerShellJavaC++CRustCMakeTeX

Github contributions (5)

cilium/cilium-cli

Dec 2022 - Jan 2023

CLI to install, manage & troubleshoot Kubernetes clusters running Cilium

Role in this project:

Back-end & DevOps Engineer

Contributions:2 releases, 867 reviews, 15 commits in 1 month

Contributions summary:Tobias primarily contributed to the connectivity testing framework within the Cilium CLI project. Their work involved refactoring and extending the testing infrastructure to allow for more flexible configuration of network connectivity tests, including timeouts for curl and ping commands. They also integrated the ability to pass user-specified parameters to these commands. Additionally, the user updated dependencies and default versions related to Cilium. Finally, they modified the logging of namespaces used in sysdump collection.

golangclusterssecurityebpfnetworking

golang/sys

May 2017 - Jan 2023

[mirror] Go packages for low-level interaction with the operating system

Role in this project:

Back-end Developer

Contributions:550 commits, 1 PR, 9 comments in 5 years 8 months

Contributions summary:Tobias contributed to low-level interaction with the operating system packages within the golang/sys repository. Their work involved implementing new system call wrappers and associated types for interacting with file systems, network interfaces, and kernel modules. The commits demonstrate a focus on adding functionality for features such as extended attributes, setting CPU affinity, handling file time stamps with nanosecond precision and providing access to various Linux IOCTL features.

golanginteractionoperating-systemgo-packagesoperating

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