T Hub - Senior VoIP (IMS) DevOps Engineer

Nasze wymagania:
Detailed VoIP know-how (SIP, SDP, (s)RTP, Diameter, IMS, able to explain call-flows on protocol level)
Containers & Cloud: Kubernetes (kubectl, Helm), VMware
CI/CD: GitLab CI, Artifactory
Automation: Terraform, AWX, FluxCD
Programming / Scripting: Python, Bash
Observability: Prometheus, Grafana, ELK
IMS & VoIP: SIP & Media debugging (Wireshark, sngrep)
Agile tools: Jira, Confluence
Systems You Will Work With
IMS-MRF (Media Resource Function) deployed on Kubernetes
OneiDNS – a cloud‑native DNS service for IMS nodes in fixed and mobile networks
VoIP Support Systems within the IMS fixed network provisioning chain

Zakres obowiązków:
We are looking for Voice Over IP Team Members to join an International Team of experts!
You will be located in Poland and work as part of International Team of Deutsche Telekom, which serves millions of customers and delivers services across the Globe. As a voice expert you will have the following responsibilities:
Analyze and design functional and technical requirements for Voice & Messaging systems, platforms, and AI services
Develop, maintain, and automate testing for cloud‑native IMS components
Operate and improve Kubernetes‑based telco platforms in a DevOps setup
Support and automate CI/CD pipelines to ensure high quality and fast delivery
Perform structured troubleshooting and root cause analysis
Participate in on‑call duty and call‑out procedures for critical systems
Actively contribute to the development of a new AI Calling system, enabling real‑time speech processing and translation within IMS call flows

Oferujemy:
Working at T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, we do not only provide a platform to hone your technical skills but also empower you to be a catalyst for innovation.
You'll have the opportunity to work at the forefront of modern technologies, from 5G to IoT and AI, shaping the future of connectivity.