T Hub - DevOps Engineer (CaaS) with Golang

Working at T-Mobile’s T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, T-Mobile not only provides a platform to hone your technical skills but also empowers you to be a catalyst for innovation. You'll have the opportunity to work at the forefront of cutting-edge technologies, from 5G to IoT and AI, shaping the future of connectivity.

• Bachelor's or Master's degree in Computer Science, Telecommunication Engineering, Information Systems, or related field (or equivalent experience)
• Proficiency in English
• 3 to 5 years of relevant experience
• Passion for technology and continuous learning
• Linux system administration (Ubuntu)
• Backend development in Agile/SCRUM environments, particularly with Go
• Experience with Agile, SCRUM, CI/CD, SRE, and DevOps practices
• IT operations methodologies: incident management, problem management, configuration management, crisis management
• Kubernetes cluster administration
• Cluster API
• Calico
• Prometheus
• Bare metal provisioning (PXE)
• Data center networking, including VXLAN
• Go (mandatory)
• Python
• Rust (optional)
• C/C++ (optional)
• Hyperscaler container services (AKS, GKE, etc.)
• OpenStack and services (Octavia, Cinder)
• Kubernetes-OpenStack integrations (Cinder CSI)
• CAPO, MetalLB, Metal3
• BGP, EVPN, IP multicasting, ECMP

• Develop and maintain CaaS and PaaS platforms built on Kubernetes ecosystem
• Design platform releases and integrate new capabilities
• Maintain and operate infrastructure while driving continuous improvements
• Manage monitoring, first-line operations, and second-level incident management
• Handle change management and system lifecycle management
• Work remotely with our multinational team across Greece, Croatia, Slovakia & Spain
• Participate in integration and validation tasks
• Monitor system performance and maintain documentation
• Join on-call rotation for standby operations