Petri Riihikallio
Owner at Metis Oy
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolPetri Riihikallio is a seasoned IT consultant and trainer with decades of hands-on experience running Metis Oy and previously training teams at Sovelto Oyj, combining practical systems administration with formal instruction. He brings deep multi-platform expertise across macOS, iOS, Windows, Android, Unix/Linux, and extensive networking know-how including IPv6, Wi‑Fi, routing and firewall technologies from vendors like Cisco, Aruba, Ubiquiti and MikroTik. Petri architects and advises on cloud solutions (AWS, Azure, GCP, OpenStack), manages server stacks (Windows Server, SharePoint, Apache, Postfix, MySQL/MariaDB, OpenLDAP, Samba) and develops full‑stack web applications in LAMP, Java, JavaScript, Python and Dart/Flutter. Known for translating complex infrastructure and security topics into practical, teachable guidance, he also has long‑standing experience with enterprise productivity tools and CMS platforms such as SharePoint, WordPress and Drupal. Based in Helsinki with a computer science background from the University of Helsinki, he offers a rare mix of veteran consulting, training skills and broad technical fluency that benefits both teams and projects needing pragmatic solutions.
8 years of coding experience
High School Diploma, High School Diploma at Helsingin Suomalainen YhteiskouluBachelor of Science - BS Computer Science (B.H), Bachelor of Science - BS Computer Science (B.H) at University of Helsinki
English, Finnish, Swedish, German, Russian, Arabic
Stackoverflow
33reputation
1kreached
1answer
2questions
Github Skills (21)
python10
django10
api10
rest10
django-rest-framework10
rest-api10
google-compute-engine10
gcp9
google-cloud9
scrum7
fail2ban6
pyinotify6
google-cloud-platform6
software-design6
agile-development5
Programming languages (7)
Github contributions (5)
riihikallio/unifi
Jan 2018 - Dec 2021
Contributions:35 commits, 30 pushes, 1 branch in 3 years 11 months
gcpgoogle-cloudgoogle-compute-engineubiquitiubiquiti-unifi-controller
riihikallio/tsoha-laskutus
Jan 2020 - Feb 2020
Tietokantasovellusharjoitus
Contributions:82 pushes, 1 branch in 1 month
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