Konstantinos Tsakalozos
Engineering Manager at Canonical
Greece
Summary
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Rockstar🎓
Top SchoolKonstantinos Tsakalozos is an engineering manager at Canonical with over a decade of experience building and leading Kubernetes and cloud infrastructure efforts. He progressed from software developer and Juju charm author to Staff Engineer and now leads teams shipping MicroK8s and other Kubernetes products, combining hands-on DevOps with team leadership. His PhD research on resource management in IaaS clouds underpins a strong academic foundation applied to production-grade virtualization and service-oriented architectures. Notable open-source work includes automating deployments for the Apache Bigtop big-data stack using Puppet and Juju charms, reflecting a practical IaC and automation focus. Based in Greece, he brings deep expertise in Kubernetes, virtualization, and IaaS alongside experience at Microsoft and in research projects that supported national grid infrastructure. Colleagues describe him as a technically curious leader who bridges research, tooling, and operational excellence.
10 years of coding experience
17 years of employment as a software developer
M.Sc. Computer Science, M.Sc. Computer Science at University of AthensDoctor of Philosophy (Ph.D.) Resource management in IaaS-Clouds Advisor: Alex Delis, Doctor of Philosophy (Ph.D.) Resource management in IaaS-Clouds Advisor: Alex Delis at Ethnikon kai Kapodistriakon Panepistimion Athinon
English, German, Greek
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
hbase10
big-data10
kafka10
puppeteer10
spark10
juju10
puppet10
java5
javas5
bash4
Programming languages (14)
Github contributions (5)
apache/bigtop
Jun 2016 - Oct 2016
Bigtop is an Apache Foundation project for Infrastructure Engineers and Data Scientists looking for comprehensive packaging, testing, and configuration of the leading open source big data components.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:10 commits, 12 PRs, 16 comments in 4 months
Contributions summary:Konstantinos's contributions primarily revolve around automating the deployment and management of Apache Bigtop components using Puppet and Juju charms. They added and modified Puppet manifests for deploying Kafka, HBase, and Spark, demonstrating a focus on infrastructure-as-code principles. The user also developed and integrated Juju charms for Kafka and Spark, streamlining deployment and management within a cloud environment. These changes involved configuring services, managing dependencies, and setting up testing frameworks.
javaapachebig-databigtop
balasu/microk8s
Jun 2020 - Nov 2020
MicroK8s is a small, fast, single-package Kubernetes for developers, IoT and edge.
Contributions:68 commits, 5 pushes in 5 months
microk8sk3dmulti-clusteriot-cloudopc-ua
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