Jim Ntosas
Private Consultant - Platform Engineering
Athens, Attica, Greece
Summary
👤
Senior🎓
Top SchoolJim Ntosas is a platform engineering consultant and founder with a decade of experience designing secure, reliable cloud-native systems and running critical workloads on Kubernetes at scale. He has led platform and SRE efforts that scaled clusters beyond 500 nodes, introduced Istio service mesh and eBPF/Cilium networking, and drove multi-cluster federated topologies and cost reductions of up to 30% in cloud spend. A pragmatic architect and DevOps advocate, he builds self-service tooling, CI/CD pipelines, and SLI/SLO frameworks while contributing to prominent open-source projects like kOps—enhancing production-grade Kubernetes installs and add-ons. Based in Athens, he combines hands-on engineering with regulatory and security experience from telco environments, and remains an active contributor and community member across CNCF spaces.
9 years of coding experience
8 years of employment as a software developer
Bachelor of Information Science (BInfSc), Bachelor of Information Science (BInfSc) at Athens University of Economics and BusinessMaster of Engineering - MEng, Advanced Computer Systems and IT Governance, Master of Engineering - MEng, Advanced Computer Systems and IT Governance at University of Piraeus
Spanish, Greek, English
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (13)
kubernetes10
infrastructure10
kops10
go10
cloud-infrastructure10
kubernetes-pods10
dockers9
cicd9
container9
docker9
cnc8
aws8
apache-kafka6
Programming languages (13)
Github contributions (5)
kubernetes/kops
Oct 2020 - Oct 2021
Kubernetes Operations (kOps) - Production Grade k8s Installation, Upgrades and Management
Role in this project:
DevOps Engineer
DevOps EngineerContributions:41 reviews, 33 commits, 35 PRs in 1 year
Contributions summary:Jim primarily contributes to the kOps project by implementing and updating configurations related to Kubernetes operations. Their work includes adding support for features like request timeouts and version overrides. They also focus on enhancing add-ons such as cluster autoscaler and node termination handler, by enabling resource specifications and metric collection, and updating to the latest versions of core components. Furthermore, they contribute to improving the CSI driver configuration and related tasks like image warm-up.
containersgcphelmlinodeinstallation
dntosas/kops
Oct 2020 - Oct 2021
Kubernetes Operations (kops) - Production Grade K8s Installation, Upgrades, and Management
Contributions:177 pushes, 50 branches in 1 year
installationgradeproduction-gradek8skubernetes
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