System Engineer with DNS knowledge (IoT) (m/f/d)Full-timeT-Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one general team, guided by respect, integrity, and a passion for doing better every day.At theTelco 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 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 plattforms 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 plattforms.Activity DescriptionImplementation and operation of physical, virtualized and containerized system environments- focus on integrating a new IoT resolving Plattform in KubernetesAnalysis, troubleshooting and documentation of system malfunctions- Regular checks and refinement of automated processes and strategies such as failover, deployment and desaster recovery to ensure a highly available and resilient system with minimum recovery timeIdentification, 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 featuresDevelopment of new methods and tools for data analysis and monitoring- Cooperate with cross-functional teams to ensure end-to-end system functionalityCollaborate closely with the german operations team to streamline processes, enhance software, tools and system performance and apply innovative technologies and conceptsMust-have requirementsFundamental knowledge of DNS (PowerDNS, DoH/DoT/DoQ) --> preferably you have worked in a TelCo companyExtensive know-how in working with Kubernetes to orchestrate CNFsProficiency in using as well as adapting configurations for K8s is a mustExperience 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, …)Nice-to-have requirementsVery good analytical skills combined with strong quality awarenessExperience in classic and agile forms of cooperationConsiderationsBeing oncall for round about 8 Weeks per year and rarely perform tasks outside of regular working hoursWhat do we offer you?Work environment & flexibilityInternational, dynamic and collaborative environmentT-Social: social initiatives (sports, community, health, ...)Customized training: access to Coursera to learn whatever you want, whenever you wantWeekly language classes (English, Spanish & German)International Mentoring Sessions & Experience DaysLife and accident insuranceSocial fundWellbeing & time off26+ working days of vacation per yearFree access to specialist services (medical, legal, wellness)100% salary coverage during medical leaveAnd many more advantages of being part of T-Systems!T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.
#J-18808-Ljbffr

📌 System Engineer with DNS knowledge (IoT) (m/f/d)
🏢 T-Systems Iberia
📍 Madrid