Yi Y
DevOps SRE at Citadel
United Kingdom
Summary
👤
Senior🎓
Top SchoolYi Y is a DevOps SRE with a decade of experience building resilient, automated infrastructure across major tech firms including Meta, Thought Machine, and now Citadel. He specialises in observability, disaster recovery, and platform automation, having helped found Meta’s Unified Site Degradation program and presented on service degradation at scale. Comfortable across cloud and bare-metal environments (OCI, AWS, SoftLayer, Aliyun, OpenStack, VMware), he pairs deep systems knowledge with scripting and automation in Python, Bash and configuration management tools. Yi’s background includes a PhD on energy awareness in ICT, reflecting a long-standing focus on efficient, practical engineering rather than theoretical solutions. He has a track record of turning operational pain points into productivity wins—from temporary DB access tooling to capacity-planning systems—and thrives on solving large-scale resilience problems.
10 years of coding experience
10 years of employment as a software developer
Ph.D Enabling Energy Awareness of ICT Users To Improve Energy Efficiency During Use of Systems, Ph.D Enabling Energy Awareness of ICT Users To Improve Energy Efficiency During Use of Systems at University of St AndrewsBSc Computer Science, BSc Computer Science at University of York
English, Chinese
Github Skills (51)
gcode10
cnc10
cnc-controller10
inkscape10
3d-printer9
raspberry9
omxplayer9
userspace8
3d-printing8
dashboard8
monitoring8
bootloader8
mysql8
visualization7
iptables7
Programming languages (6)
Github contributions (5)
yy502/motion-detection
Oct 2017 - Apr 2021
Detect motion in a movie file
Contributions:1 PR, 14 pushes in 3 years 6 months
detectmotionmovie
yy502/laserpecker
Apr 2020 - Dec 2022
Contributions:323 commits, 335 pushes, 1 branch in 2 years 8 months
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