Hannes Ylä-jääski
System Administrator
Finland
Summary
👤
Senior🎓
Top SchoolHannes Ylä-jääski is a seasoned system administrator and Unix/Linux enthusiast with over two decades of hands-on experience and 11 years in modern professional roles, currently managing Linux server environments and developing embedded firmware in C/C++ at DevNet Oy. He brings deep expertise across C/C++, Ansible, OpenStack, high-availability UNIX platforms (AIX, HP-UX, Solaris) and networking, proven by long-term operational responsibility for large clusters and mission-critical infrastructure. Comfortable both as a consultant and in-house engineer, he has run his own projects, supported development teams, and held leadership responsibility for UNIX/database operations. A lifelong tinkerer—his first Linux kernel was 0.96a patched—he combines low-level systems knowledge with contemporary DevOps practices to deliver reliable, performant solutions.
11 years of coding experience
9 years of employment as a software developer
IBM DB2 Universal Database Administration Workshop for UNIX, IBM DB2 Universal Database Administration Workshop for UNIX at IBM trainingHP-UX Administration, HP-UX Administration at HP trainingSelf LearningJava MOOC, Computer Science, Java MOOC, Computer Science at University of HelsinkiIT professional education, IT professional education, IT professional education, IT professional education at Aikuisvalmennuskeskus
Finnish, English, Swedish
Github Skills (15)
pixelfed10
decentralization10
video-streaming10
activitypub10
browser10
federation10
webrtc10
web-application10
federated10
streaming10
angular10
p2p10
kernel2
linux1
lollipop1
Programming languages (2)
Github contributions (5)
drgreenth/Pixel-2-Experience-Magisk
Apr 2018 - Apr 2018
Contributions:12 pushes in 4 days
drgreenth/platform_frameworks_base
Feb 2015 - Feb 2015
Contributions:5 pushes, 8 branches in 1 day
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