System Engineer with DNS knowledge

System Engineer with DNS knowledge (IoT) (m/f/d/) Full-time At T-Systems, you will find groundbreaking projects that contribute to social and ecological well-being. We want to welcome new talents like you, who bring fresh ideas, different points of view, who accept challenges and continuous learning, to grow and impact society… All this, in a fun way It doesn't matter when or where you work. It's about doing work that matters to move society forward. For this reason, we will do everything possible to ensure that you have every opportunity to develop by offering you a support network, excellent technology, a new work environment and the freedom to work independently. We support you to constantly grow both personally and professionally, so that you can leave a notable mark on society. T-Systems is a team of around 28,000 people employed around the world, making us one of the world's leading providers of integrated end‑to‑end solutions. We develop hybrid cloud and artificial intelligence solutions and drive the digital transformation of companies, industry, the public sector and, ultimately, society as a whole. At the Telco Hub in Madrid , we are pioneers in merging IT and Telco, building and scaling Telco as a Platform (TaaP) on our proprietary layered cloud. Our teams operate in cross‑country and cross‑functional squads, delivering cutting‑edge services to Europe's most valued Operator. Our mission Our mission is to create the best customer experience based on three core principles: ✅Cloud-based – Harnessing the latest technologies for scalability and performance. ✅Automated – Driving efficiency through AI, automation, and DevOps. ✅Sustainable – Building a future‑ready, environmentally conscious infrastructure. We are looking for top engineering talent eager to grow technically and professionally in an innovative, dynamic, and collaborative environment. If you are passionate about shaping the future of telecommunications, this is your place The DNS Squad (consisting of 12 team members) holds the end‑to‑end responsibility for the resolving and authoritative DNS systems for Deutsche Telekom AG. These platforms are part of the critical infrastructure and are central core components of our German network. We are looking for a System Engineer to join our team for the resolving DNS platforms. These platforms are resolving DNS requests for mobile & fixed networks but also for IoT. The team is responsible for the entire lifecycle and further development. You will be working closely with our supplier and devops engineers to design, integrate, deploy, monitor and troubleshoot our resolving DNS platforms. Activity Description Implementation and operation of physical, virtualized and containerized system environments—focus on integrating a new IoT resolving platform in Kubernetes Analysis, troubleshooting and documentation of system malfunctions—regular checks and refinement of automated processes and strategies such as failover, deployment and disaster recovery to ensure a highly available and resilient system with minimum recovery time Identification, documentation and structuring of new test use cases—development and optimization of scripts (Ansible, Bash, Perl, Python) Implementing changes in test, reference and productive systems to enhance system stability and/or provide new features Development of new methods and tools for data analysis and monitoring—cooperate with cross‑functional teams to ensure end‑to‑end system functionality Collaborate closely with the German operations team to streamline processes, enhance software, tools and system performance and apply innovative technologies and concepts Mandatory skills Fundamental knowledge of DNS (PowerDNS, DoH/DoT/DoQ) -- preferably you have worked in a TelCo company Extensive know‑how in working with Kubernetes to orchestrate CNFs Proficiency in using as well as adapting configurations for K8s is a must Experience with IP networks, router and LAN/WAN technologies as well as troubleshooting them with tracing tools (e.g. wireshark) Hands‑on experience of monitoring systems and data analytics (Prometheus, Medusa, …) Optional skills Very good analytical skills combined with strong quality awareness Experience in classic and agile forms of cooperation Considerations Being on call for round about 8 weeks per year and rarely perform tasks outside of regular working hours What do we offer you? International, positive, dynamic and motivated work environment. Continuous training: Preparation for certifications, access to Coursera, weekly English and German classes… Life and accident insurance. More than 26 working days of vacation per year. Social fund. Free service for specialists (doctors, physiotherapists, nutritionists, psychologists, lawyers…) 100% of salary in case of sick leave. And many more advantages of being part of T-Systems If you are looking for a new challenge, do not hesitate to send us your CV in English . Join our team T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer. #J-18808-Ljbffr