Petri Koistinen
Lead Support Engineer at Assembly Organizing
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolPetri Koistinen is a seasoned IT professional and Lead Support Engineer in Helsinki with 26 years of hands-on experience designing, operating and securing Linux-based systems and cloud services. He combines deep expertise in Linux (RHCE), PCI DSS compliance, SIEM and endpoint security with practical software testing and automation chops, informed by roles from senior security consultant to head of cloud services. Petri favors pragmatic, user-focused designs and treats quality as an engineered property rather than luck, having led AWS adoption and managed PCI-certified payment backends. Outside commercial roles he sustains community services as a long-time board member of iki.fi and stays connected to the demosene scene, reflecting a lifelong maker-and-hacker mindset. Practical, security-first, and customer-focused, he blends infrastructure craftsmanship with a knack for keeping employees, customers and systems “happy.”
26 years of coding experience
14 years of employment as a software developer
B.Sc. student, Software Engineering, B.Sc. student, Software Engineering at Helsinki Metropolia University of Applied SciencesYliopppilas, Yliopppilas at Linnankosken lukio
Swedish, French, English, German, Finnish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
opensuse8
linux-kernel8
kernel7
linux6
security5
htaccess5
httpd4
http-server3
directories3
aws3
apache3
ssl3
amazon-web-services3
network-server3
bitbake2
Programming languages (5)
Github contributions (5)
pkoistin/veppiserveri
Mar 2018 - Mar 2018
Contributions:8 pushes, 1 branch in 1 day
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