Marko Viitanen
System Administrator
Tampere, Mainland Finland
Summary
👤
Senior🎓
Top SchoolMarko Viitanen is a seasoned system administrator and DevOps engineer based in Tampere, Finland, with 15 years of experience building and securing Linux/OpenBSD infrastructures and networked systems. He combines hands-on expertise in firewalls, TCP/IP and Ethernet with modern cloud automation using Terraform and AWS. As a researcher working toward a PhD in video compression, he also contributes low-level C/C++ work to open-source projects like the Kvazaar HEVC encoder, showing comfort across both systems and media-codec internals. Known for a pragmatic "work smart, not hard" approach and ongoing cybersecurity specialization, he brings a disciplined, research-minded perspective to operational reliability and performance.
15 years of coding experience
14 years of employment as a software developer
Bachelor of Engineering (B.Eng.), Data communications, Bachelor of Engineering (B.Eng.), Data communications at Turun AmmattikorkeakouluKyberturvallisuuden erikoistumiskoulutus / Cyber security specialisation training, Cyber security, Kyberturvallisuuden erikoistumiskoulutus / Cyber security specialisation training, Cyber security at Turku University of Applied Sciences
English
Github Skills (13)
encode10
video-encoding10
c-programming10
bitstream10
bit-manipulation10
binary-stream10
hevc10
fileheader9
data-structure9
headers9
header-files9
data-structures9
digital-signal-processing8
Programming languages (3)
Github contributions (5)
ultravideo/kvazaar
May 2012 - Oct 2022
An open-source HEVC encoder
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 576 commits, 15 PRs in 10 years 6 months
Contributions summary:Marko's contributions center on implementing bitstream functions, handling encoding parameters, and creating structures for encoding. The user added bitstream functions and improved initialization, including allocation, putting bits to a bitstream, and aligning the bitstream. The user's work included the creation of preliminary code related to the core functionality of the Kvazaar HEVC encoder, focusing on the fundamental building blocks for encoding video data.
hevcencodervideohevc-encoderh265
fador/kvazaar
Sep 2015 - Oct 2021
Contributions:9 pushes, 8 branches in 6 years 1 month
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