Solution Architect – Cloud-Native & DevOps (m/f/d)

T-Systems International GmbH At T-Systems, we offer business customers the right system solutions for their digital business. With our portfolio we ensure that digital transformation reduces complexity, saves costs and makes day-to-day work easier. We focus on the areas connectivity, digital, cloud & infrastructure as well as security - Let's power higher performance! Description As Solution Architect – Cloud-Native & DevOps, you play a key role in shaping the digital future of our customers in the public sector and defence environment. You are responsible for designing and implementing modern cloud-native architectures and driving the adoption of DevOps practices, CI/CD pipelines, and GitOps approaches. You design cloud-native solution architectures based on Kubernetes for highly secure and regulated environments You create technical solution designs as well as architecture and platform documentation (containers, storage, networking, observability) You design CI/CD pipelines and GitOps workflows (e.g. Flux, ArgoCD), especially for air-gapped and offline environments You evaluate and integrate CNCF technologies and cloud-native components into existing platform architectures You support the design of Kubernetes-based workloads including VM workloads (KubeVirt) and HPC/AI scenarios (GPU operator) You create architecture and security documentation and support accreditation processes as well as BSI baseline security requirements You contribute to reference architectures, deployment blueprints, and technical customer advisory during transformation projects Requirements You have solid experience as a Solution Architect in cloud-native and DevOps environments, including the implementation of complex Kubernetes-based platform solutions, ideally within the public sector or defence industry. Furthermore, you are characterized by in-depth expertise and skills: Strong knowledge of cloud-native architectures, Kubernetes, and container orchestration (min. 3 years experience) Strong experience with CI/CD pipelines and GitOps methodologies (Flux, ArgoCD) Solid understanding of the CNCF ecosystem and modern cloud platform architectures Experience in creating solution designs and technical architecture documentation Strong knowledge of Linux system administration and Infrastructure as Code (Terraform, Crossplane) Understanding of network virtualization, SDN, CNI, and service mesh concepts Experience in public sector or defence environments and knowledge of BSI baseline security standards Strong knowledge of IT Service Management (ITIL Foundation or higher) Several years of experience (min. 3 years) in ITIL-based consulting and service design processes At least 5 years of experience in public sector environments (federal ministries, agencies, subordinate authorities) Native-level German and very good English skills in spoken and written communication What we offer Flexible working arrangements with hybrid models, remote work options, and flexible hours Individual development through certifications, training programs, and clear career paths in cloud-native technologies Modern working environment with cutting-edge tools and technologies for cloud and DevOps architecture Exciting, high-security projects in cloud transformation, public sector, and defence domains Open and collaborative company culture with strong teamwork orientation Competitive compensation package and comprehensive employee benefits Health and well-being programs supporting work-life balance Your application can be processed by external service providers in Germany. Applications for positions outside Deutsche Telekom AG can also be processed by recruiters in other European countries. This also applies to the processing of applications at subsidiaries of Deutsche Telekom AG. For our civil servant employees, therefore, the following note: You are not obliged to attach documents relevant to personnel files, in particular civil servant appraisals, with your application. However, you are free to provide these documents voluntarily. This position is also possible on a part-time basis. Severely disabled people will be given priority if they are equally qualified.