Eugene Koontz
ekoontz@hiro-tan.org
Amsterdam, NL http://github.com/ekoontz
(31) 06 21 31 85 05
Summary

Site Reliability Engineer and Backend Software Developer

Work Experience

Booking


July 2019- Present
Amsterdam, Netherlands

Site Reliability Engineer

  • Own services written in Java and Perl that protect company's customer-facing services from external attacks.
  • Establish SLOs and associated monitoring and alerting
  • Client library development and support.
  • Write Post-Mortems and end-user documentation
  • Participate in on-call schedule for services.
  • Participate in company-wide Datacenter failover drills.

Sift


January 2017 - March 2019
San Francisco, USA

Site Reliability Engineer

  • Developed automatic failover service written in Java and running on Kubernetes, for replicated HBase cluster pairs to increase availability and reduce need for human response to instance failures.
  • Led infrastructure migration on Amazon Web Services (AWS) from Chef to Terraform and Salt, improving scalability and ability for other engineers to launch and maintain services.
  • Developed Terraform and Salt code to provision environments in Google Cloud Platform (GCP).
  • Developed tooling for capacity planning estimation to scale AWS resources economically.
  • Contributed to kafka-assigner, an open-source tool to balance Kafka topic partitions across available brokers.

Verbcoach


May 2016 - December 2016
Oakland, USA

Founder

Created second language learning web application using Clojure and PostgreSQL to help students learn Italian, Spanish, and French. Worked closely with a second-language educator currently using the system in his classes. Released parts of the source code as an open source library on Github.

Apple


June 2013-April 2016
Cupertino, USA

Siri Hadoop Operations Engineer

Member of group responsible for deployment, monitoring, and diagnosing of Hadoop clusters running HBase, Solr, Flume, Spark and Kafka. Participated in on-call rotation.

  • Developed workstation-local distribution of HBase, allowing developers to test work before cluster deployment.

TrendMicro


March 2010-May 2013
Cupertino, USA

Led Hadoop Group of 4 members, developed and maintained internal Hadoop distribution. Developed automated methods for upgrading and testing Hadoop clusters.

  • Led effort to upgrade internal Hadoop distribution from planning to deployment.
  • Helped curate Apache source code for internal distribution.
  • Security Enhancements to Apache Zookeeper: ZOOKEEPER-938
  • Improvements to Apache Giraph: GIRAPH-168, GIRAPH-211
  • Integration of Zookeeper Security enhancements with Apache HBase HBASE-2418
  • Numerous minor improvements to Apache Hadoop, Apache Pig, Apache HBase, hadoop-lzo.
Education