Data Engineer for AI Stack (f/m/d) @ A1 Competence Delivery Center

Strength. Care. Growth A1 Competence Delivery Center is a vital component of A1’s telecommunications business.

Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1’s operations across all OpCos, independent of location. Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability. You will know we are the right place for you, if you are driven by: Opportunities to learn and build your career.

Meaningful work in a stable and fast-paced company. Diversity of people, projects, and platforms. A supportive, fun, and inspiring place to work.

Would you like to join us? Job Purpose : As a Data Engineer for AI Stack, you will make enterprise data usable by the AIaaS platform. Your focus will be data ingestion, transformation, orchestration, metadata, lineage, replay, quality, and secure integration with A1 data sources.

You will work across APIs, databases, files, object storage, event sources, and analytical platforms. You will help establish reusable integration patterns that can support AI, machine-learning, RAG, analytics, and operational automation use cases. Role insights: Design and implement batch, incremental, API-based, and file-based data-ingestion pipelines.

Integrate the AIaaS platform with enterprise systems, databases, object sto