Rocket-power your Kubernetes skills.
The Kubestronaut program recognises community leaders who have consistently invested in their ongoing education and grown their skill level with Kubernetes.
Individuals who have successfully passed every CNCF’s Kubernetes certifications – CKA, CKAD, CKS, KCNA, KCSA – will receive the title of “Kubestronaut”, as well as these additional benefits:
- An exclusive Kubestronaut jacket to show off your elite status
- A Credly badge to showcase your expertise
- Access to the dedicated / private Kubestronaut Slack channel and mailing list
- Coupons for 50% off five certifications each year – for yourself or to share
- 20% off three CNCF events (KubeCon or KubeDays) a year

Interested in becoming a Kubestronaut?
When you pass all 5 certifications, expect to be contacted by CNCF within a business week by email for next steps.
All certifications must be valid to be recognized as a Kubestronaut.
For more information, read the Kubestronaut FAQ.
A special thanks to one of our CNCF Ambassadors, Ramesh, on inspiring us to create the Kubestronaut program.
CNCF Kubestronauts
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Showing 43 of 1392 Kubestronauts
(He/Him)
FikaWorks

Adam Otto
(He/Him)
FikaWorks
- Location: Warsaw, Poland
Adam is a freelancer and a member of the FikaWorks collective (collective of freelancers focused around open-source philosophy), with over 10 years of experience spanning industries like scientific research, finance, and energy. He specializes in helping companies succeed in their cloud-native journey, recently focusing on platform engineering to build scalable, developer-friendly platforms that drive innovation. When not focused on tech, Adam enjoys biking and swimming, and he’s always on the hunt for a great cup of coffee.
(He/Him)

Andrzej Kaczynski
(He/Him)
- Location: Warsaw, Poland
Experienced Cloud Architect passionate about guiding organizations through successful cloud transformations. I’m a huge Kubernetes and CNCF technologies fan, constantly exploring new open-source solutions and sharing knowledge within the community.
(He/Him)
mElements (mBank Group)

Darek Barecki
(He/Him)
mElements (mBank Group)
- Location: Poznan, Poland
DevOps Engineer at mElements, part of the mBank group, currently working on security aspects of applications and cloud resources, primarily in Azure. Interested in eBPF technology. Creator and author of k8spacket (https://github.com/k8spacket), an open-source tool. Enthusiast of observability based on the Grafana Stack.
(He/Him)
Cisco Systems

Filip Wardzichowski
(He/Him)
Cisco Systems
- Location: Katowice, Poland
Senior Cloud & Network Architect with extensive experience in data center and service provider networking, specializing in cloud-native networking and security. Expertise includes Kubernetes networking (CNI), service meshes, eBPF, SDN, EVPN, and workload segmentation. Strong focus on integrating OpenShift and OpenStack with data center fabrics to build scalable and secure private cloud solutions. An advocate for DevOps and GitOps methodologies, driving automation, declarative infrastructure, and continuous integration in cloud-native environments. Currently part of Cisco’s Cloud Networking Business Unit, contributing to the development of Kubernetes and cloud-native networking solutions.
(He/Him)

Jakob Weinzettl
(He/Him)
- Location: Cracow, Poland
Jakob possesses a strong affinity for cybersecurity, having held various roles within four distinct Security Operation Centers (SOCs), including Security Engineer, Incident Responder, Incident Response Manager, TriceratOps Automation Manager, and Acting Head of SOC. Utilizing his expertise in blue teaming and passion for red teaming, Jakob contributes to enhancing the cybersecurity posture of both internal and external organizations. His extensive knowledge is complemented by a range of industry-recognized certifications, including OSCP, OSEP, GCFA, GDAT, GSOM, Kubestronaut (CKA, CKS), and others. Jakob’s contributions to open-source initiatives have garnered recognition from SANS Institute, a leading authority in cybersecurity research and training. His Sigma rules were referenced by SANS ICS, while his co-authored open-source project (ATC RE&CT) was featured in the SANS MGT551 course. Jakob brings a unique blend of technical expertise and passion for cybersecurity to his work. With a strong educational background in computer science and cybersecurity, Jakob has developed a deep understanding of complex security systems and threats. His dedication to staying at the forefront of industry trends and advancements has earned him a reputation as a knowledgeable and effective cybersecurity expert. Jakob aspires to achieve a pioneering role as the first hacker-CISO within an S&P 500 organization, leveraging his expertise and passion for advancing cybersecurity best practices.
(He/Him)
monday.com

Jakub Sokół
(He/Him)
monday.com
- Location: Warsaw, Poland
I’m a DevOps engineer with developer background. Started career at Opera browser, currently at monday.com in Observability team. Recently, working a lot with OpenTelemetry – from maintenance of internal instrumentation distribution to overhauling signals collection pipeline using OpenTelemetry Collector
(He/Him)

Kacper Lipka
(He/Him)
- Location: Warsaw, Poland
I’m a DevOps Cloud engineer with an interest in machine learning and automating everything I can. I specialize in cloud technologies, Infrastructure as Code, CI/CD and container orchestration. I want to constantly develop and seek new experiences. Discovering CNCF tools allows me to do just that.
(He/Him)

Karol Szymanowski
(He/Him)
- Location: Warsaw, Poland
I am a Senior Software Engineer specializing in TypeScript, AWS, and Kubernetes. My work revolves around designing scalable and secure web applications. Passionate about DevSecOps, I thrive on automating processes and I am a strong advocate for “self-driving” infrastructure.
(He/Him)

Kostiantyn Skraga
(He/Him)
- Location: Krakow, Poland
I am an IT enthusiast, who is passionate about all the latest technologies. I love to mentor people, and share my knowledge. I do that through my blog and meetups. Happy to promote CNCF cutting-edge technologies, engage with a vibrant community, share my knowledge, network with industry professionals, and contribute to open-source projects.
(He/Him)

Krzysztof Dąbrowski
(He/Him)
- Location: Poznan, Poland
I’m a DevOps Engineer who enjoys working with cloud-native technologies. I’m all about building and improving systems in the cloud, using containers, CI/CD and IaC. In my free time, I’m contributing to open-source projects and learning new technologies.
(He/Him)

Krzysztof Greczka
(He/Him)
- Location: Poznan, Poland
I’m a dedicated professional with a passion for cloud and services-oriented solutions. For me, the most developing aspect of work is the opportunity to learn from experts and share my knowledge with others. I believe that open discussions about solutions and experiences are crucial at every stage of a project, adding value to both the endeavor and the individuals involved.

Łukasz Adamski
- Location: Poznań, Poland
I’m a technology leader who thrives on bringing people and cutting-edge solutions together. Over the years, I’ve led DevOps, DevSecOps, and Site Reliability Engineering initiatives across industries like fintech, pharma, media, banking, e-commerce, and more. My approach blends deep technical expertise with a strong focus on collaboration. My passion for continuous learning and knowledge sharing drives me to stay at the forefront of emerging technologies.
(He/Him)

Łukasz Baszak
(He/Him)
- Location: Poznań, Poland
I’m a DevOps Engineer and Cloud Architect with a passion for Kubernetes, Docker, AWS, and compute orchestration. My curiosity about the world keeps me driven to explore new technologies and innovative solutions. I’m a bit of a perfectionist and take pride in delivering reliable, high-quality systems while embracing every challenge in the cloud-native space.
(He/Him)
Stellatarum

Łukasz Kirylak
(He/Him)
Stellatarum
- Location: Warsaw, Poland
I am a Software Engineer specializing in automation and orchestration tooling, particularly Kubernetes. I have experience building Cloud Native applications and enhancing Kubernetes by implementing custom operators and CSI drivers. I enjoy designing solutions that make infrastructure more efficient and scalable.

Michał D.
- Location: Katowice, Poland
DevOps Engineer with Kubernetes expertise since 2019. Mastered multi-cloud environments through hands-on challenges. Committed to creating simple solutions for complex problems.
(He/Him)
Lufthansa Systems Poland

Michał Tomczak
(He/Him)
Lufthansa Systems Poland
- Location: Gdańsk, Poland
A passionate enthusiast with growing experience in cloud-native technologies and the DevOps culture. Over the past year, dedicated to learning and applying modern approaches to automation and workflow optimization. Actively exploring new solutions and tools that streamline team collaboration and processes. Committed to continuous growth, learning new concepts and the pursuit of innovative solutions that align technology with operational goals.
(He/Him)
Visa Technology

Nurudeen Kamilu
(He/Him)
Visa Technology
- Location: Warsaw, Poland
Nurudeen Kamiliu is a Senior Systems Engineer specializing in IT infrastructure and platform engineering. He focuses on Kubernetes, AWS, and DevSecOps, designing and maintaining scalable, secure cloud-native applications. Passionate about automation and “self-driving” infrastructure, Nurudeen actively engages with the CNCF community, sharing his expertise through LinkedIn posts and meetups. Proficient in top cloud-native tools and technologies such as Kubernetes, Docker, Terraform, Jenkins, Prometheus, Helm, ArgoCD, Istio, Grafana, and FluxCD, he continuously explores new frontiers in DevOps and cloud technologies. Connect with him on [LinkedIn](https://www.linkedin.com/in/nurudeen-kamilu/).
(He/Him)
Devoteam G Cloud

Oliwer Borysewicz
(He/Him)
Devoteam G Cloud
- Location: Warszawa, Poland
I am a Google Cloud Engineer passionate about Kubernetes and cloud automation. In my current role at Devoteam, I help clients adopt SRE practices, automate Terraform IaC and Cloud Build CI/CD pipelines, and address complex challenges in GKE, DevOps, DevSecOps, and MLOps. My fascination with Kubernetes extends beyond containerized applications – I’m excited about its potential for automating Data and Machine Learning pipelines like Cloud Composer or Kubeflow. Highly motivated to continuously expand my Kubernetes, DevSecOps & AI/ML knowledge, I believe my skills will be a valuable asset to the Kubestronaut community.
(He/Him)
Orange Innovation Poland

Piotr Matysiak
(He/Him)
Orange Innovation Poland
- Location: Warsaw, Poland
Piotr is a Cloud Automation Engineer at Orange Innovation Poland, the R&D entity of the Orange Group. He holds an M.Sc. in ICT from the Warsaw University of Technology (WUT) and is currently pursuing a PhD (also WUT). His R&D efforts focus on Cloud Network Automation, Management & Orchestration, and the Observability of Cloud Native environments. Piotr has shared his knowledge at numerous industry conferences, including a presentation at Kubecon + CloudNativeCon Edge Day in 2023. He is passionate about Kubernetes and its open-source ecosystem.
(He/Him)
Acaisoft

Piotr Prusaczyk
(He/Him)
Acaisoft
- Location: Warsaw, Poland
I am a DevOps engineer specializing in Kubernetes and Google Cloud Platform, with expertise in designing scalable solutions and automating workflows. I focus on leveraging cloud-native technologies to optimize system performance and reliability. Beyond my professional interests, I am passionate about classical music, which inspires my focus and creativity in both work and life.
(He/Him)
Freelancer
Vitrifi

Piotr Stróż
Vitrifi
- Location: Warsaw, Poland
I’m a Platform Engineer at Vitrifi and Co-founder of Devbulls. I would love to start a Kubernetes meet-up in Warsaw. When I’m not working, I enjoy maintaining a healthy lifestyle through regular training and dancing bachata. I have also started sharing my technical knowledge on my blog: https://devbulls.com/blog. Why I am excited to be a kubeastronaut: To learn from the community and inspire others to see what an awesome technology Kubernetes is. Project Experience: Kubernetes, ArgoCD, Crossplane, OpenTelemetry Languages: English, Polish
(He/Him)

Piotr Zalewski
(He/Him)
- Location: Lodz, Poland
I am a Kubernetes enthusiast and cloud specialist with more than 20 years in IT. Over the last decade, I’ve worked extensively with AWS, Azure, and Google Cloud, applying DevOps best practices. My developer background helps me optimize cloud-native solutions for efficient, scalable deployments.
(He/Him)
Capgemini

Rafał Czaja
(He/Him)
Capgemini
- Location: Wrocław, Poland
I am an experienced platform engineer, specialising in the design, implementation and management of IT infrastructure. I work with tools and technologies such as Kubernetes, Rancher and Jenkins to ensure scalability, security and performance of systems. My skills in automation, monitoring and resource optimisation contribute to efficient infrastructure management and faster service delivery.
(He/Him)
melnyk.co

Roman Melnyk
(He/Him)
melnyk.co
- Location: Poznan, Poland
Problem-solver by heart or Platform Engineer by profession, specializing in the deployment and management of Apache Kafka and Kubernetes. Over the years, I have distinguished myself for a result-oriented approach to problem-solving, coupled with a strong aptitude for empathy and critical thinking. These skills enable me to understand and address complex issues within various development environments, and to design solutions that cater to the specific needs of the project at hand. My ultimate goal is to leverage my expertise to architect systems that boost efficiency, improve workflow, and ultimately drive business success.
(He/Him)

Stanislav Kolenkin
(He/Him)
- Location: Warsaw, Poland
I have been working in the IT industry for 16+ years and has enormous hands-on and managerial experience with the most innovative DevOps projects using Kubernetes, OpenStack, AWS, GCP, and Bare-Metal tech stacks. My professional achievements are numerous certificates, including SEI Software Architecture Professional Certificate, Kubernetes, AWS, GCP Certifications, and many others. Along with his outstanding architect skills and vast industry knowledge, I am proficient in critical problem-solving and excels in dealing with non-standard production issues.
(He/Him)

Szymon Kodrebski
(He/Him)
- Location: Katowice, Poland
Engineer, System Administrator, Cloud Platform, and DevOps Expert with over 15 years of experience in designing, implementing, and optimizing cloud-based solutions. Specializing in Kubernetes, AWS, GCP, and infrastructure automation, with a focus on creating resilient, scalable systems that empower organizations to achieve operational excellence. A proponent of automating everything and ensuring infrastructure is entirely written as code, enabling consistency, scalability, and efficiency. Strongly supports practices such as Infrastructure as Code, CI/CD, and GitOps, with a focus to simplifying complex challenges and driving innovation in cloud environments. Actively mentors team members and fosters a culture of continuous learning and improvement. “Currently, I’m deeply engaged in DevOps and Cloud Solutions, leveraging my experience to design and build cutting-edge cloud infrastructure. I’m deep diving into AWS, GCP and Kubernetes and I love this direction!”
(He/Him)
Cloudowski

Tomasz Cholewa
(He/Him)
Cloudowski
- Location: Warsaw, Poland
Tomasz is a DevOps Expert and a Cloud Native architect of environments based on cloud, containers, Kubernetes or OpenShift and his personal passion for smart automation. He strives to share his knowledge with others by providing presentations, workshops, and training. He creates a variety of content starting, from articles, ebooks, courses published on his website (https://cloudowski.com), to videos on his YouTube channel (https://www.youtube.com/@Cloudowski) and the “Rozchmurzony” Podcast (in Polish). He despises raw onions and dishonesty. Loves authenticity and relationships based on it, and a good cheesecake.
(He/Him)
Wrike

Tomasz Szymański
(He/Him)
Wrike
- Location: Cracow, Poland
I’m helping my customer build stable and resilient infrastructures based on Cloud Native solutions. I’m trying to grow Cloud Native awareness through internal meetings and workshops. In my work I’m focused on automation, high-ability configuration, and security aspects of Cloud Native solutions.

Volodymyr Chernetskyi
- Location: Warsaw, Poland
I lead the cloud infrastructure domain, build internal platforms, and promote a strong DevOps culture. I’m passionate about exploring cutting-edge open-source tools and tech. Always eager to learn, I challenge myself by earning industry-recognized certifications.