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Ibrahim Halil KoyuncuEngineering & Product Studio
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Credentials

Certified across the Kubernetes stack.

Hands-on, independently assessed certifications across the Kubernetes and cloud-native stack. They underpin every solution we design — and you can see that knowledge applied in our engineering projects and articles.

Cloud Native Computing Foundation

CNCF Kubestronaut

Awarded by the CNCF to people who hold all five of its Kubernetes certifications at the same time: CKA, CKAD, CKS, KCNA and KCSA.

See certifications on LinkedIn(opens in a new tab)

The five certifications

  • CKA

    Certified Kubernetes Administrator

    Performance-based exam on installing, configuring and operating Kubernetes clusters.

    Issued
    Aug 2026
    Valid until
    Aug 2028
    Issuer
    The Linux Foundation
  • CKAD

    Certified Kubernetes Application Developer

    Performance-based exam on designing, building and deploying cloud-native applications on Kubernetes.

    Issued
    Jul 2026
    Valid until
    Jul 2028
    Issuer
    The Linux Foundation
  • CKS

    Certified Kubernetes Security Specialist

    Performance-based exam on securing container platforms and workloads across build, deploy and runtime.

    Issued
    Sept 2026
    Valid until
    Sept 2028
    Issuer
    The Linux Foundation
  • KCNA

    Kubernetes and Cloud Native Associate

    Foundational knowledge of Kubernetes and the wider cloud-native ecosystem.

    Issued
    Sept 2026
    Valid until
    Sept 2028
    Issuer
    The Linux Foundation
  • KCSA

    Kubernetes and Cloud Native Security Associate

    Foundational knowledge of cloud-native security, threat models and compliance.

    Issued
    Sept 2026
    Valid until
    Sept 2028
    Issuer
    The Linux Foundation

  • Not new to Kubernetes

    • CKA — first earned in Sept 2021
    • CKAD — first earned in Jan 2022

    Renewed in 2026.

Service mesh

  • ICA

    Istio Certified Associate

    Performance-based exam on installing and operating the Istio service mesh: traffic management, resilience, security and observability.

    Issued
    Oct 2026
    Valid until
    Oct 2028
    Issuer
    The Linux Foundation

Additional learning

  • Building with the Claude APIAnthropic · Jul 2026
  • Introduction to High-Performance and Parallel ComputingCoursera · Jan 2023
  • Parallel, Concurrent, and Distributed Programming in Java SpecializationCoursera · Dec 2021