Wiktor Kierzek
SOC Manager at CyCommSec
Greater Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolWiktor Kierzek is a security-focused engineering leader with 10 years of experience bridging software development and operational security, currently serving as SOC Manager in Greater Poland. He has deep hands-on experience in cloud, web and mobile application security and distributed event processing, built atop a strong background in backend development from early roles at Microsoft and contributions to high-profile open-source projects like dotnet-monitor and MIEngine. His work on .NET diagnostics and debugging infrastructure demonstrates an ability to design tools that run in production and in Kubernetes sidecars, while also improving local Linux debugging and cross-platform interoperability. Previously a senior security engineer and consultant for enterprises and fintechs, he pairs threat-aware architecture with practical developer workflows and deployment automation. Colleagues describe him as someone who moves fluidly between code, diagnostics, and security operations—often surfacing subtle platform issues before they become incidents.
10 years of coding experience
15 years of employment as a software developer
Master's degree, Computer Science: Technologies of Software Development, Master's degree, Computer Science: Technologies of Software Development at Poznan University of Technology
Github Skills (24)
debugging10
debug10
diagnostic-tool10
net10
linux10
dotnet10
asp-net-core10
asp-net10
gdb10
dotnet-core10
netcore10
rest-api10
logging10
csharp10
metric10
Programming languages (6)
Github contributions (5)
dotnet/diagnostics
Mar 2020 - Jan 2023
This repository contains the source code for various .NET Core runtime diagnostic tools and documents.
Role in this project:
Backend Developer
Backend DeveloperContributions:242 reviews, 43 commits, 87 PRs in 2 years 11 months
Contributions summary:Wiktor contributed to the development of the .NET Core diagnostic tools within the repository. Their work involved creating a monitoring tool named "dotnet-monitor," which listens for tracing events to collect logs and metrics. They implemented the core functionality of the tool, including the ability to use console and Log Analytics sinks, and designed it for use in an AKS sidecar. The user also worked on a rest server for the diagnostic tools, including the creation of an API and the ability to capture dumps and nettraces.
dotnetruntimediagnosticnet-corecsharp
dotnet/dotnet-monitor
Mar 2021 - Jan 2023
This repository contains the source code for .NET Monitor - a tool that allows you to gather diagnostic data from running applications using HTTP endpoints
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:1859 reviews, 100 commits, 675 PRs in 1 year 10 months
Contributions summary:Wiktor primarily focused on enhancing the .NET Monitor tool, contributing to the back-end functionality and the related build and deployment infrastructure. They implemented application filtering and developer workflow enhancements, including the generation of a combined solution file. The user also added endpoint throttling and configured temporary storage options for dump operations within the tool. Furthermore, the user integrated the collection rules to the project to capture and display configuration.
dotnetmonitorendpointsdiagnosticdebugging
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