Global AI Prompting Engineer PGTR

Location

• Remote - Zurich, Switzerland

Job ID

R0121156

Date Posted

2026-04-07

Company

HITACHI ENERGY LTD

Profession (Job Category)

Data Analytics/Business Intelligence

Job Schedule

Full time

Remote

Yes

About

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 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.

Responsibilities

• 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.

Requirements

• 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.

Desired Outcomes / Success Metrics

• 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. Once the process is successfully completed, we will share detailed information about financial conditions and benefits with the selected candidate. Before signing the employment contract, you will receive all remaining details of the offer, giving you the time and space to review everything carefully. Applicable only for Poland location align with local law regulations.

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Hitachi brings together the world’s greatest minds to help breathe life into new possibilities – and drive innovation for a better future. That’s why we look for individuals who share our pioneering spirit, have imaginative ideas and are fearless when it comes to tackling the world’s biggest challenges. Our people love technology – and they love making a difference. They have a passion for finding new solutions and working with brilliant colleagues. Every day they dedicate themselves to a huge range of exciting projects, contributing to the Hitachi vision around the globe. From engineering new sustainability solutions that conserve water and energy to creating the infrastructure for the smart cities of tomorrow, there’s no challenge too great for our pioneers. And there’s no shortage of opportunities for you to make a difference. Come and experience the dynamic, collaborative and creative environments where your ideas are welcome and new discoveries are waiting. To help you grow to your full potential, we strive to support our employees in their career aspirations and promote the freedom to explore new horizons.

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