AI Engineer – LLMs, RAG & MLOps

GCS; Leinster; On-site; EUR 80,000 - 120,000; Full time

Job summary

GCS is seeking an AI Engineer for a permanent position based in Co Westmeath, Ireland. This hands-on role blends software engineering, data engineering and applied AI to design, build and run AI-powered applications, intelligent agents and data-driven solutions that automate work and support better decision-making.

This is a work-and-build role using LLMs, RAG and modern AI frameworks to turn proprietary data into automated insights and actions.

Qualifications

• Degree in Computer Science, Data Science, Software Engineering or a related discipline.
• 3+ years in software engineering, data engineering or AI/ML development with production delivery.
• Strong Python and experience with LLM APIs (OpenAI, Azure OpenAI, Anthropic).
• Experience with LangChain, LlamaIndex or equivalent.
• Knowledge of MCP, RAG, vector DBs, embeddings and prompt engineering.
• Experience with Azure AI or other cloud AI platforms and MLOps/LLMOps.
• Understanding of AI security, governance and privacy; regulated industry experience is a plus.
• Ability to translate business problems into practical AI solutions and document work clearly.

Responsibilities

• Design, build and maintain AI agents and workflows that automate data processing, analysis and reporting.
• Build LLM-powered applications, integrating external models while optimizing prompts, context, performance and cost.
• Develop RAG solutions, vector databases and AI-driven data pipelines.
• Create integrations using MCP and APIs to securely connect AI systems to internal databases and services.
• Own AI features from prototype to production, including testing, monitoring and cost evaluation.
• Apply MLOps/LLMOps best practices, including CI/CD, containerisation and automated deployment.
• Put guardrails, access controls and audit trails around agents handling sensitive data.
• Collaborate with data engineers, data scientists and business stakeholders and document technical work.

Skills

Python

LLM APIs

LangChain

RAG

MCP

Vector databases

Azure AI

MLOps

CI/CD

AI security

Education

Computer Science / Data Science / Software Eng degree

Tools

Docker

CI/CD tools

Cloud platforms

Job description

GCS is seeking an AI Engineer for a permanent position based in Co Westmeath, Ireland. This hands-on role blends software engineering, data engineering and applied AI to design, build and run AI-powered applications, intelligent agents and data-driven solutions that automate work and support better decision-making.

This is a work-and-build role using LLMs, RAG and modern AI frameworks to turn proprietary data into automated insights and actions.