... it's better to have good questions

About Me

2023-04-23 3 min read Ronny Trommer

Work in open-source and grew up with an Amiga 500 in the early 90s, a full-time contributor @opennms. I run some internet services just for fun. The current operational status is shown on Uptime Status.

What I’m doing today

  • I work full time for The OpenNMS Group in product management and help building tools for network diagnostics and performance management.
  • Contact manager for our german development team and first point of contact for OpenNMS customers and partners in Europe
  • Subject matter expert in building network monitoring solutions
  • Think a lot about how to make the world a better place with open-source in the network and system monitoring domain
  • I’ve managed to work as a digital nomad since 2010 with people in different culture and different time zones

Research and Eduction


  • Mentor for students organizing HHN Barcamp 2023 with KI Salon at Heilbronn University of Applied Sciences
  • Mentor GSoC 2013: Distribute an instance of OpenNMS across different physical machines to improve availability and scalability
  • Mentor GSoC 2012: Integration of Flume and ElasticSearch to analyze big log data
  • Speaker about open culture and open-source technology at various events, OSMC, OUCE, FOSDEM, Linux Tag
  • Event coordinator and speaker at annually OpenNMS User Conference Europe (OUCE) from 2009 - 2018
  • 2010: Co-founder OpenNMS Foundation Europe e.V.
  • 2010: Co-founder Hacker space Magrathea Laboratories e.V.
  • 2000: Co-founder MCL2k organizing LAN-Parties up to 828 people

Places I’ve worked

  • 2022 - today, joined the product management team at OpenNMS as subject-matter expert for network monitoring and performance management
  • 2015 - 2022, full-time contributor at The OpenNMS Group as an open-source network monitoring advocate
  • 2011 - 2015, University of Applied Sciences Hochschule Fulda, research assistant Computer Science department
  • 2010 - 2015, Advocate for the open-source network monitoring tool OpenNMS, Freelancer
  • 2007 - 2010, NETHINKS GmbH, building solutions and network monitoring services with OpenNMS. and various other open-source monitoring tools
  • 1998 - 2004, Drimalski & Partner GmbH, IT network infrastructure, network security, and MS Active Directory design and implementation


  • 2001 - 2006, Diplom-Inform. (HS), University of Applied Sciences in Fulda, Telecommunication / Network Engineering
  • 2000 - 2001, Worked as an IT system engineer, did some industry certifications around network security, network design
  • 1998 - 2000, Apprenticeship IT system engineer