Guenther Schreiner
Steering Committee BwInfoSec at Evangelical Church in Baden
Karlsruhe, Baden-Württemberg, Germany
Summary
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RockstarGuenther Schreiner is an experienced IT leader with 11 years in higher-education and public-sector technology roles, currently serving on the steering committee of bwInfoSec and directing the Computing Center at Karlsruhe University of Applied Sciences. He combines operational leadership—running central IT services for staff and students—with a focus on university-wide information security collaboration across Baden-Württemberg. Hands-on by background, he has contributed to open-source home automation (notably improving device bindings in the widely used openHAB 1.x ecosystem), reflecting practical expertise in systems architecture, communication protocols and reliability engineering. Guenther bridges policy, governance and technical implementation, advising institutions on secure, auditable IT practices while keeping services robust and user-focused. Active in his community beyond IT, he also serves on a church committee, indicating a commitment to civic and cultural engagement. Colleagues rely on him for pragmatic security-minded leadership that balances innovation with operational stability.
10 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (5)
javas10
openhab10
java10
json9
api-design8
Programming languages (13)
Github contributions (5)
openhab/openhab1-addons
Aug 2018 - Jul 2019
Add-ons for openHAB 1.x
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 10 PRs, 56 comments in 11 months
Contributions summary:Guenther primarily contributed to the openHAB 1.x add-ons, focusing on implementing and improving bindings for various devices. Their work included adding a Velux binding, supporting Velux solar blinds, and addressing issues related to communication. They also made several bug fixes and enhancements, improving the overall reliability and functionality of the binding. The user demonstrated an understanding of system architecture, logging, and communication protocols.
add-onsopenhabaddononsinternet-of-things
smile-community/openhab2-addons
Aug 2017 - Feb 2020
For openhab2_addons_pull_2531_velux: Add-ons for openHAB 2.x
Contributions:68 pushes, 1 branch in 2 years 7 months
openhab2add-onsopenhab2-xaddons
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