Global AI Prompting Engineer PGTR

Hitachi Energy; Madrid; Presencial; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Collaborative work environment

Opportunities for career growth

Descripción de la vacante

Hitachi Energy is seeking a Prompt Engineer to join their digital transformation journey in Madrid, Spain. This role focuses on enhancing the efficiency of Bid & Proposal Management through advanced AI-powered platforms. The ideal candidate will collaborate with cross-functional teams to design and optimize prompts that generate accurate, context-aware outputs.

The position demands strong expertise in the transformer industry as well as sound problem-solving skills. You'll play a key role in ensuring high-quality responses tailored to complex business scenarios and contribute to ethical AI practices.

Formación

• Experience in the transformer industry with knowledge of international standards.
• Hands-on experience with LLMs and prompt engineering.
• Strong attention to detail and an analytical mindset.

Responsabilidades

• Develop and maintain prompt libraries for transformer units.
• Implement prompt engineering techniques like few-shot learning.
• Evaluate LLM responses for accuracy and bias mitigation.

Conocimientos

Problem-solving

Analytical thinking

NLP expertise

Linguistic reasoning

Context management

Python willingness

Communication skills

Agile methodology

Educación

Bachelor or Master degree in Electrical Engineering

Herramientas

AI APIs

Descripción del empleo

The opportunity

As part of our ongoing digital transformation journey, we are developing ACE, a cutting‑edge Generative AI‑powered platform designed to enhance the efficiency and accuracy of our Bid & Proposal Management process within the Transformers Business Unit. We are seeking a Prompt Engineer who will play a pivotal role in this initiative. This individual will be responsible for designing, testing, and optimizing domain‑specific prompts that enable ACE to generate accurate, context‑aware, and business‑aligned outputs. The role requires a deep understanding of the transformer industry, industrial equipment standards, as well as basic understanding of prompt engineering best practices and GenAI model behavior, ensuring that ACE delivers high‑quality responses tailored to complex business scenarios. The ideal candidate will collaborate closely with IT Experts, Subject Matter Experts, Business stakeholders, and Module Owners to break down complex business logic into domain‑specific prompts.

How You’ll Make An Impact

• Develop, refine, and maintain prompt libraries for various transformer units/factories.
• Implement advanced techniques like prompt chaining, context injection, and few‑shot learning for enterprise‑grade accuracy.
• Own prompt lifecycle management including versioning, traceability, and governance.
• Evaluate LLM responses for precision, compliance, and bias mitigation.
• Conduct A/B testing and maintain performance dashboards for prompt effectiveness.
• Work closely with Module Owners, Subject Matter Experts, and Business Stakeholders to embed prompts into ACE workflows.
• Create clear documentation for prompt strategies and maintain best practices aligned with Hitachi Energy’s AI Ethics Charter.
• Stay updated on emerging GenAI technologies, frameworks, and tools to enhance ACE capabilities.
• Implement and recommend best practices for prompting across different ACE modules.

Your background

• Bachelor or master degree in electrical engineering
• Experience working in the transformer industry, with international standards and customer documentation.
• Strong problem‑solving and analytical thinking.
• Strong linguistic and logical reasoning for crafting precise prompts.
• Strong understanding of NLP, context management, and token optimization.
• Ability to experiment and iterate to optimize outputs.
• Ability to understand business processes and translate them into ACE‑specific prompts.
• Hands‑on experience with LLMs and prompt engineering techniques.
• Strong interest in AI enterprise‑grade solutions.
• Willingness to learn Python and experience with AI APIs services.
• Ability to work in Agile environments and manage multiple stakeholders.
• Excellent communication and collaboration skills.
• Analytical mindset with attention to detail.
• Empathy for end users and curiosity for experimentation.
• Commitment to ethical AI practices and continuous learning.
• Reduction in prompt failure rate and model hallucination.
• Improvement in accuracy of outputs by modules.
• Speed and scalability of prompt deployment across ACE modules within the Transformer Business Unit.
• Compliance with AI governance and security standards.

More About Us

• Be part of a global digital transformation initiative.
• Work on cutting‑edge GenAI solutions.
• Collaborative culture with opportunities for career growth and innovation.

We are committed to full transparency and compliance with all legal requirements, ensuring that every candidate knows exactly what to expect at each stage of the recruitment process.

Applicable only for Poland location in alignment with local law regulations.

Publication date: 2026-04-07