Senior Security Analyst

• Jan 2019 - Present

Nixpkgs Maintainer

• Nov 2020 - Present

- Python packages (especially Home Assistant itself and the dependencies) - Security-related packages - Python packages (especially Home Assistant itself and the dependencies) - Security-related packages

Developer

• Apr 2015 - Present

- Introduced support for MQTT, Arduino, myStrom, aREST and various other IoT hardware platforms - Added support for countless web services like OpenWeatherMap, DarkSky, Netdata, Glances, Bitcoin, etc. - Designed the binary sensor, the weather and the air quality components - Wrote large part of the initial user documentation, including API and developer-focused documentation - Additionally made releases, maintained the dependencies and reviewed way to many pull requests - Introduced support for MQTT, Arduino, myStrom, aREST and various other IoT hardware platforms - Added support for countless web services like OpenWeatherMap, DarkSky, Netdata, Glances, Bitcoin, etc. - Designed the binary sensor, the weather and the air quality components - Wrote large part of the initial user documentation, including API and developer-focused documentation - Additionally made releases, maintained the dependencies and reviewed way to many pull requests

Senior engineer and Owner

• Oct 1998 - Present

Security Testing and Reviews, Configuration Management System, HA, Load balancing, Network Design and Systems Engineering

Technical designer

• Oct 1998 - Feb 1999

Design/construction of various mechanical parts for rotary transfer systems as freelancer at Hug Maschinenfabrik AG.

Developer and Contributor

• Jun 2010 - Present

Package Maintainer (~ 100 packages), maintainer of the Alpine Security package list, developer of additional setup-* tools Package Maintainer (~ 100 packages), maintainer of the Alpine Security package list, developer of additional setup-* tools

Developer, Contributor

• Dec 2005 - Present

- Package Maintainer (~ 450 packages) - Maintainer of the Fedora Security Lab - Creator and developer of the Fedora Security Lab Test Bench - Ambassador, Mentor, and former Membership administrator - Former FAmSCo member and vice-chair (January 2008 - January 2009) - Event organizer (FAD, FUDCon 2009, and several event presences) - Speaker, statistician, wiki cleaner - Former coordinator and maintainer of the German localization (June 2007 - April 2011) - Package Maintainer (~ 450 packages) - Maintainer of the Fedora Security Lab - Creator and developer of the Fedora Security Lab Test Bench - Ambassador, Mentor, and former Membership administrator - Former FAmSCo member and vice-chair (January 2008 - January 2009) - Event organizer (FAD, FUDCon 2009, and several event presences) - Speaker, statistician, wiki cleaner - Former coordinator and maintainer of the German localization (June 2007 - April 2011)

Mechanical Engineer

• Nov 2000 - Feb 2013

Engineering of mechanical aerial ropeway parts, calculations and dimensioning, management of rebuilding projects, CAD and networking support/maintenance Engineering of mechanical aerial ropeway parts, calculations and dimensioning, management of rebuilding projects, CAD and networking support/maintenance

Founder and Contributor

• Apr 2005 - Sep 2012

Building a free citizen network based on freifunk.net-idea, Hardware setup, and firmware customization Building a free citizen network based on freifunk.net-idea, Hardware setup, and firmware customization

Founding member and Vice-President

• Feb 2008 - Dec 2010

This international NPO (non profit organisation) was founded by Fedora Ambassadors at Brussels in February 2008. We acted to facilitate and consolidate all kind of resources (financial and logistics) to Fedora Ambassadors in the EMEA area. This international NPO (non profit organisation) was founded by Fedora Ambassadors at Brussels in February 2008. We acted to facilitate and consolidate all kind of resources (financial and logistics) to Fedora Ambassadors in the EMEA area.

Technical designer

• Mar 2000 - Nov 2000

Engineering and designing in the laser application and handling (robotics) systems area. Engineering and designing in the laser application and handling (robotics) systems area.

Technical designer

• Feb 1999 - Mar 2000

In the beginning design/construction/engineering of various mechanical parts for rotary transfer systems and later additionally member of the QA and QM team. In the beginning design/construction/engineering of various mechanical parts for rotary transfer systems and later additionally member of the QA and QM team.

Technical designer

• Aug 1994 - Jul 1998

Apprenticeship as technical designer in the area of the construction and design of cellulose manufacturing systems. Apprenticeship as technical designer in the area of the construction and design of cellulose manufacturing systems.