Artificial Intelligence Subject Matter Expert

5 days ago

Bucharest, Bucureşti, Romania R Systems Full time €80,000 - €120,000 per year
We are looking for a senior LLM / GenAI Engineer to bring large language models into the heart of next-generation telecom operations. In this role, you'll design and fine-tune LLMs for intelligent customer care, automated ticket analysis and resolution, knowledge retrieval from OSS/BSS and network documentation, as well as AI-driven service assurance and incident summarization.
Responsibilities: Develop and fine-tune LLMs for telecom-specific applications, including:
  • Intelligent customer care and digital assistants.
  • Automated ticket analysis and resolution.
  • Knowledge retrieval from OSS/BSS and network documentation.
  • AI-driven service assurance and incident summarization.
  • Build and optimize scalable LLM pipelines for retrieval-augmented generation (RAG), multi-modal data integration (logs, text, telemetry), and secure inference.
  • Integrate LLM-based reasoning and automation into existing OSS/BSS, NOC, and CRM workflows.
  • Design APIs and frameworks to expose AI capabilities to network and business systems.
  • Apply techniques for model alignment, context optimization, and safety (guardrails, red-team evaluation).
  • Collaborate with data, network, and operations teams to deploy models on-prem or in hybrid cloud environments.
  • Lead experimentation on domain adaptation using operator data while maintaining compliance and privacy.

Qualifications:
  • 5+ years in AI/ML engineering, including 2+ years working with LLMs or generative AI.
  • Strong proficiency in Python, PyTorch/TensorFlow, and LLM frameworks (Hugging Face, LangChain, vLLM, or similar).
  • Experience in telecom or network data pipelines, OSS/BSS integration, or network analytics.
  • Knowledge of MLOps and scalable inference on GPU/accelerator clusters (Kubernetes, Ray, Triton, etc.).
  • Understanding of telecom ontologies, service models, and data governance/compliance (GDPR, telco security).
  • Excellent collaboration skills to bridge AI research with network engineering and product teams.
About R Systems:

WE SPEAK DIGITAL.OverviewFormerly known as Computaris, we are the European branch of R Systems - global technology and analytics services company.We help our clients achieve speed-to-market, overcome digital barriers, and create business value with our specialized service offerings and consultative business approach. We speak the language of business as fluently as we do the language of technology. In other words: We speak Digital. Our goal: accelerate our clients' digital leadership.Our clients choose to partner with us for Cloud transformation, automation, data science, analytics, and product engineering, thanks to our technical expertise, domain knowledge, global presence and a record of delivering world-class solutions consistently for over 28 years.With a global workforce of 4,800+ employees spread across 16 delivery-centers and 26 offices, we continue to empower organizations with cutting-edge technologies. In Europe, R Systems has offices in the UK, Romania, Poland, Moldova and Switzerland, providing digital transformation services and extensive telecom expertise.

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