Professional Services


Having more than 25 years of experience in IT/Computer Science, Hernan has worked as Systems Engineer, Developer, Technical Leader and IT Manager, leading very large scale projects to a success in several countries.


If you need help to unblock, troubleshoot, optimize or design your solution, you can contact him at: hernan at vivani dot net


Some of the technologies he worked, and provides consulting services on, are:

  • Distributed Systems Performance
  • Hadoop/YARN Clusters
  • Big Data
  • Bigtop Distributions
  • Linux Kernel Tuning
  • AWS Cloud architecting, troubleshooting and tuning.

Some of his work and contributions: