Mikhail Koliada
Senior DevOps Engineer at Unlimit
Belgrade, Central Serbia
Summary
🤩
Rockstar🎓
Top SchoolMikhail Koliada is a Senior DevOps Engineer with over a decade of experience designing and hardening large-scale distributed systems across bare-metal and cloud environments, notably improving availability by up to 60% and cutting infrastructure costs and CI/CD lead times significantly. He has led teams at GitHub working on hosted GitHub Actions runners and Azure DevOps agents, owning SLA/SLO metrics, customer-facing premium integrations, and cross-team product improvements. Technically fluent across Linux/Windows/macOS, Kubernetes, Terraform/Bicep, Helm/ArgoCD, Prometheus/Grafana, and a broad automation toolchain, he pairs deep systems knowledge with architectural thinking and a relentless automation-first mindset. A long-time Gentoo Linux contributor and creator of an early RISC-V port and binary kernel distribution, he brings uncommon low-level expertise that informs resilient platform design. Based in Belgrade, he mentors and builds self-sufficient teams, favoring transparency, measurable outcomes, and pragmatic process improvements.
4 years of coding experience
13 years of employment as a software developer
Bachelor's degree Mathematics and Computer Science, Bachelor's degree Mathematics and Computer Science at Yaroslavl Demidov State University
Russian, English
Github Skills (24)
github-ci10
scripting10
cicd10
automation10
script10
sh10
powershell10
automations10
shell10
githubaction-workflow10
ubuntu9
bash9
windows9
macos9
docker8
Programming languages (10)
Github contributions (5)
actions/runner-images
Aug 2021 - Jan 2023
GitHub Actions runner images
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:5 releases, 1701 reviews, 150 commits in 1 year 5 months
Contributions summary:Mikhail primarily contributed to the automation and configuration of the GitHub Actions runner images. They focused on scripting and automating installations and configurations for various tools and dependencies across multiple operating systems, including Linux, Windows, and macOS. Their work involved modifying shell scripts, PowerShell scripts, and configuration files to install, update, and manage software packages, emphasizing CI/CD pipeline enhancements and ensuring consistent image builds. The contributions included setting up networking and other low level configurations within the builds.
actions-runnerci-cdgithub-actions-runnerrunnercicd
mikhailkoliada/virtual-environments
Aug 2021 - Apr 2022
GitHub Actions virtual environments
Contributions:481 pushes, 143 branches in 8 months
virtual-environmentsenvironments
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