Job Description

Location:

Madrid, Spain

Job ID:

R0127623

Date Posted:

2026-05-12

Company Name:

HITACHI ENERGY SPAIN, S.A.U.

Profession (Job Category):

IT, Telecom & Internet

Job Schedule:

Full time

Remote:

No

The Opportunity

We are looking for an AI Solutions Scientist to join our digital and innovation team, contributing to the development of next-generation AI solutions that enhance operational efficiency and accelerate digital transformation across the organization.

In this role, you will work at the intersection of Generative AI, Data Science, and enterprise systems, helping design reliable and scalable AI architectures connected to proprietary corporate data.

You will collaborate closely with Data Architects and cross-functional teams to build intelligent solutions powered by Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and advanced evaluation frameworks

This is an exciting opportunity to work on cutting-edge AI technologies in a global and highly innovative environment.

How You’ll Make an Impact

• Design and develop Retrieval-Augmented Generation (RAG) architectures connecting LLMs with internal enterprise data sources such as SQL databases and technical documentation.
• Develop and optimize prompt engineering and automated evaluation frameworks to improve AI performance, reliability, and scalability.
• Create synthetic datasets and AI-driven data generation workflows to support machine learning and analytics initiatives.
• Define benchmarking and validation methodologies, including LLM-as-a-Judge evaluation systems to assess model quality and accuracy.
• Implement AI safety mechanisms and guardrails to ensure secure, compliant, and trustworthy AI solutions.
• Collaborate with digital, IT, and business teams to deploy innovative AI applications that create measurable business value.

Your Background

• Degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or related field.
• Strong knowledge of Generative AI, Large Language Models (LLMs), and RAG architectures
• Experience with prompt engineering, AI evaluation frameworks, and data processing workflows
• Familiarity with Python programming and modern AI/ML ecosystems.
• Analytical mindset with strong problem-solving and communication skills.
• Fluent in English and comfortable working in an international environment.

About Us

Hitachi Energy is a global technology leader in electrification, powering a sustainable energy future through innovative power grid technologies with digital solutions at the core. More than three billion people depend on our technologies every day.

With over a century of pioneering mission-critical technologies—from advanced power electronics to automation and high-voltage solutions—we are addressing one of the world’s most pressing challenges: meeting growing electricity demand while accelerating the transition to a low-carbon energy system.

Headquartered in Switzerland, Hitachi Energy employs over 50,000 people in 60 countries, generating annual revenues of around USD 16 billion.

Join us and help shape the future of AI-driven energy solutions.

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