Ossi Hakkarainen
Network Engineer at Elisa
Tampere, Pirkanmaa, Finland
Summary
👤
Senior🎓
Top SchoolOssi Hakkarainen is a Network Engineer with 11 years of hands-on experience building and operating resilient networks for both large providers and dense multi-tenant environments. He currently works at Elisa and runs POASnet connectivity for thousands of students, bringing practical expertise in Cisco and other networking gear. His background includes cloud services at Solita, systems work at Ambientia, and co-founding a hosting company, demonstrating both operational depth and entrepreneurial drive. Comfortable troubleshooting from an old IBM laptop running Linux, he blends pragmatic, low-level tinkering with modern cloud and network practices. Based in Tampere, Finland, Ossi pairs formal IT and telecom technician training with a track record of keeping critical student and commercial networks reliable at scale. Colleagues know him as a stubborn, resourceful problem-solver who prefers fixing things hands-on rather than theorizing.
11 years of coding experience
8 years of employment as a software developer
Electrical, Electronic and Communications Engineering Technology/Technician, Electrical, Electronic and Communications Engineering Technology/Technician at Savon ammatti- ja aikuisopistoInformation Technology, Information Technology at Tampere University of TechnologySiilinjärven lukio
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (16)
django9
python8
react7
irssi7
open-source6
irc4
esp324
irc-server4
esp82664
iot3
metronome3
flac3
slack3
mattermost2
mqtt2
Programming languages (6)
Github contributions (5)
ossih/cisco-interfaces
Jul 2019 - Oct 2023
Contributions:10 pushes, 1 branch in 4 years 3 months
ossih/wlc-exporter
Mar 2020 - Jun 2023
Contributions:10 pushes, 1 branch in 3 years 4 months
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