Jan 2024 – May 2025 · 1 yr 4 mos · Germany · Remote

• I am driven by a deep belief in the power of connections. This is my WHY - the reason I jump out of bed every morning, and why CONNECTii.io exists at all. It's about more than just making a profit; it's about revolutionizing how professionals connect, share, and grow their networks at various events. With my background in technology and a keen interest in innovative networking solutions, I created the CONNECTii Community and proud to be part of.

Nov 2023 – Aug 2024 · 9 mos · Remote

• Book Title: Implementing GitOps with Kubernetes
• Chapters:
• 5. GitOps at Scale and Multitenancy
• 6. GitOps Architectural Designs and Operational Control
• 7. Cultural Transformation in IT for Embracing GitOps
• 12. Observability with GitOps
• 13. Security with GitOps
• 14. FinOps, Sustainability, AI and Future Trends for GitOps

Jan 2023 – Present · 3 yrs 3 mos · Hamburg, Germany · Remote

• As an Independent IT Consultant, I offer comprehensive consulting services designed to help businesses identify and implement the best technological solutions. My services include writing technical blogs, conducting product and architecture reviews, and advising on DevOps and Kubernetes-related topics. I facilitate products and services without any financial involvement to ensure objective, customer needs-oriented consulting.
• These include services such as:
• ✅ Technical Blog Writer: Creating informative and insightful blog posts on current IT topics, trends, and best practices.
• ✅ Product Reviews: Independent evaluation and analysis of IT products to determine their suitability for customer needs.
• ✅ Architecture Reviews: Reviewing and evaluating system architectures to identify optimization opportunities and minimize risks.
• ✅ DevOps and Kubernetes Consulting: Providing expertise and strategic advice on the implementation and management of DevOps practices and Kubernetes.
• ✅ Facilitation of Products and Service Providers: Selecting and recommending vendors and products precisely tailored to the specific needs of the client, based on an independent, unbiased assessment.
• Commitment to Neutrality:
• My approach ensures independence and neutrality in consulting. I maintain no financial stakes in any recommended products or service providers to provide objective and customer-focused advice.
• Objective:
• My goal is to assist clients in implementing technological solutions that meet their requirements and maximize their business success through unbiased and expert consulting.

Oct 2022 – Oct 2024 · 2 yrs · Remote

• At the Hamburg Port Authority, my journey began as a Cloud Engineer. However, we soon realized that our approach for the HPA was not feasible. This led to the formation of a Platform Team, tasked with developing an Internal Developer Platform, a role I quickly transitioned into.
• Since 2022, I have been channeling my expertise as a Platform Engineer, spearheading the creation of a Kubernetes platform both on-premise and in the cloud. I initiated the development of internal tools, packaged software with Helm charts, and constructed Terraform modules for efficient cloud service consumption, significantly enhancing our Infrastructure as Code (IaC).
• I led the large-scale implementation of GitOps with Argo CD, boosting system responsiveness, security, and reducing maintenance complexity, all while enabling rapid market delivery. This paved the way for a robust, maintainable, and autonomously scaling Kubernetes-based system. My involvement also extended to implementing multi-tenancy solutions, which accelerated team onboarding and promoted sustainable resource use, resulting in a highly efficient infrastructure that conserves resources without compromising performance.
• Central to my role was the development of an internal developer platform. This platform equipped developers with self-service capabilities and accelerated access, enabling efficient management of their needs. This initiative cultivated an environment of self-sufficiency and significantly increased productivity.

Oct 2021 – Sep 2022 · 11 mos · Remote

• At the Hamburg Port Authority, I have been harnessing my expertise as a Cloud DevOps Engineer since 2021, leading the creation of a Kubernetes platform both on-premise and in the cloud. I pioneered the development of internal tools, package Software with Helm charts, and constructing Terraform modules for efficient cloud service consumption. Through these actions, I successfully enhanced our Infrastructure as Code (IaC).
• My leadership extended to forming robust DevOps teams comprising both internal employees and external service providers, and managing projects involving key partners like Microsoft and VMware. This resulted in a well-coordinated, efficient team delivering complex software solutions.
• Simultaneously, I was responsible for strategic planning, keeping abreast of current technology trends, and building internal capacity and capabilities. This action has laid a solid foundation for our future growth, ensuring our team is ready to tackle upcoming challenges with agility and resilience.

Jul 2020 – Sep 2021 · 1 yr 2 mos · Dortmund, Nordrhein-Westfalen, Deutschland

• In my role as a Cloud Engineer at adesso as a service, I led the implementation of cross-cloud solutions utilizing Azure and AWS. I was instrumental in the operation of hybrid cloud infrastructures, designing and implementing network architectures that facilitated seamless connections between Azure and on-premise systems.
• My focus was primarily on Azure, where I excelled in managing Azure Public Cloud with Terraform, onboarding applications using Helm, and administering Kubernetes and OpenShift. I was also adept at troubleshooting these systems, providing operational support and handling change requests for various Azure services.
• A critical aspect of my role was being on-call for critical customer services. I was entrusted with the responsibility of ensuring the smooth operation and uninterrupted service for our clients, requiring me to promptly address and resolve any emergent issues or system failures.
• A significant part of my duties also involved establishing the right Service Level Agreements (SLAs) for various services, aligning them with the SLAs from Azure Services. This required a deep understanding of the service capabilities, client requirements, and strategic foresight to ensure the established SLAs effectively catered to the clients' needs while maintaining operational efficiency.
• Beyond technical tasks, I held project management responsibilities, stepping in to replace project managers when required. This required me to evaluate and create offers, often liaising directly with Cloud Solution Partners (SoftwareOne, ALSO) or Microsoft (EA) to select the most beneficial solution and subscription model for the client.
• Subsequently, tenant- and subscription-management became key components of my role, serving a diverse clientele across various industries. After that, I was responsible for implementing the solution, ensuring that the necessary cloud resources were provisioned and configured to the client's requirements and best practices.

Jan 2020 – Jun 2020 · 5 mos · Dortmund, Nordrhein-Westfalen, Deutschland

• In my role as an IT Consultant at Viada, I provided strategic guidance to clients, recommending and implementing the most suitable Red Hat business and technical solutions for their unique needs. My responsibilities extended to administering application servers such as JBoss EAP and Apache Webserver, tailored to meet each client's specifications. I was also instrumental in the implementation of OpenShift 4 (PaaS) and Rancher Kubernetes, with a keen focus on security; I enacted stringent image policies and carried out comprehensive evaluations to meet our clients' rigorous governance requirements. As a change management expert, I meticulously tracked all changes to ensure compliance.
• Internally, I took charge of onboarding new hires in the OpenShift and Kubernetes domains. I conducted regular in-house training in collaboration with Red Hat, solidifying our team's competence in these critical areas. In addition, I managed OpenShift 4 administration, spearheading platform development and testing new minor versions, thereby ensuring our company stayed ahead of technological advancements.

Jul 2019 – Dec 2019 · 5 mos · Dortmund, Nordrhein-Westfalen, Deutschland

• Starting my career as an intern at Viada, I spearheaded the installation and management of a cutting-edge OpenShift 4 cluster, a new product at the time. I created and documented project-specific concepts, laying the groundwork for efficient migration paths. I also navigated the complexities of internal systems administration, managing an array of virtual machines, DNS servers, and load balancers. Diving into the development realm, I created a cross-platform mobile application (iOS, Android, and web) that leveraged the OpenShift 4 platform as a backend to streamline the delivery management process for IT consultants. My early experience here laid the foundation for my expertise in system administration, application development, and project management.