Oleh Kolesnykov
Senior DevOps Engineer at vestr
Switzerland
Summary
👤
Senior🎓
Top SchoolOleh Kolesnykov is a Senior DevOps Engineer based in Switzerland with over a decade of hands-on experience building and operating high-availability clusters and CI/CD pipelines from the ground up. He has progressed through roles spanning system administration, presales/provisioning, and DevOps at companies including vestr, EDGE GRAVITY by Ericsson, and VidScale, bringing both operational rigor and customer-facing technical insight. Known for bridging teams—sales, support, on-site, and networking—he combines infrastructure automation with pragmatic delivery and risk mitigation. His background includes supervising support teams and optimizing data center hardware usage, giving him a practical eye for cost-effective resilience. Comfortable in both startup and enterprise contexts, he excels at turning complex deployment requirements into maintainable production systems. Fluent in the full lifecycle of infrastructure delivery, he often contributes behind the scenes to smoother handoffs between engineering and operations.
12 years of coding experience
15 years of employment as a software developer
East Ukrainian National University
English, Ukrainian
Github Skills (48)
ansible-galaxy10
ansible-role10
mailhog9
zsh-syntax-highlighting9
highlighting9
jenkins9
charts8
zsh8
syntax-highlighting8
health8
google-cloud8
storage8
gcp8
google8
fzf8
Programming languages (9)
Github contributions (5)
koi8/v1auth-cloud-backup
Jan 2014 - Oct 2016
Contributions:56 commits, 9 PRs, 27 pushes in 2 years 9 months
cloud-backupbackup-scriptletawsbackup
koi8/quake3-config
Dec 2016 - Oct 2021
Contributions:8 PRs, 3 pushes, 5 branches in 4 years 10 months
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