AI Context Engineer | Madrid, Spain

Hitachi Energy Ltd.; Madrid; On-site; EUR 70,000 - 110,000; Full time

Job summary

Hitachi Energy in Madrid is seeking an experienced Prompt Engineer who will shape the next generation of AI assistants for High Voltage projects. You will develop and test prompts, translate domain knowledge into scalable AI workflows, and collaborate with product, engineering, marketing, pricing, and sales to embed AI into real business processes.

Bring hands-on GenAI experience with platforms like Azure OpenAI, OpenAI, LangChain, or AutoGen, and a strong understanding of HV equipment and

Qualifications

• Min.5 years of professional experience in AI/Data/Software Engineering with GenAI exposure.
• Product Management or Engineering in High Voltage or Power Systems with AI adoption.
• Experience in industrial/engineering environments is preferred.
• Hands-on experience with GenAI platforms and a strong HV knowledge base.

Responsibilities

• Develop, test, and optimize prompts for LLM-based applications across HV use cases.
• Translate HV product knowledge into structured prompts, guardrails, and AI workflows; design multi-step prompting strategies.
• Partner with Product Management, Engineering, Marketing, Pricing, and Sales to embed AI assistants into business processes.
• Define prompt standards, templates, and best practices for scale and reuse.
• Evaluate prompt performance using qualitative and quantitative metrics; align with RAG pipelines and data sources.
• Bridge AI tech and HV product reality; ensure outputs are correct and compliant; stay updated on GenAI capabilities.
• Support change management by documenting use cases, training users, and explaining AI behavior to stakeholders.

Skills

GenAI platforms

Cross-functional collaboration

English proficiency

Tools

Azure OpenAI

OpenAI APIs

LangChain

AutoGen

Job description

At Hitachi Energy, our purpose is advancing a sustainable energy future for all. We bring power to our homes, schools, hospitals, and factories. Join us and work with fantastic people, while learning and developing yourself on projects that have a real impact to our communities and society. Bring your passion, bring your energy, and be part of a global team that appreciates a simple truth: Diversity + Collaboration = Great Innovation.

How You’ll Make An Impact

• Develop, test, and optimize advanced prompts for LLM-based applications across HV use cases (e.g. product configuration, technical documentation, RFQ support, pricing logic explanation, customer proposals, and engineering knowledge retrieval).
• Translate complex High Voltage product knowledge (GIS, AIS, major components, lifecycle, standards, and applications) into structured prompts, guardrails, and AI workflows.Design multi-step prompting strategies (e.g. CoT, ReAct, role-based prompting, agentic workflows) to ensure accuracy, consistency, and context awareness.
• Partner closely with Product Management, Engineering, Marketing, Pricing, and Sales to embed AI assistants into real business processes.
• Define prompt standards, templates, and best practices to enable scale and reuse across the organization.
• Continuously evaluate prompt performance using qualitative and quantitative metrics (accuracy, hallucination rate, usability, business impact).Work with AI/ML engineers to align prompting logic with RAG pipelines, vector databases, and enterprise data sources.
• Act as a bridge between AI technology and HV product reality-ensuring AI outputs are technically correct, commercially relevant, and compliant with internal standards.Maintain up-to-date knowledge of GenAI capabilities, LLM limitations, and emerging prompting techniques, and assess applicability to HV use cases.
• Support change management and adoption by documenting use cases, training users, and explaining AI behavior transparently to business stakeholders.
• Responsible to ensure compliance with applicable external & internal regulations, procedures & guidelines.

Your background

• Min.5 years of professional experience in one or more of the following areas:
  • AI / Data / Software Engineering with strong applied GenAI exposure
  • Product Management or Engineering in High Voltage or Power Systems, with demonstrated AI adoption
• Prior exposure to industrial, infrastructure, or engineering-driven environments is strongly preferred.
• Hands-on experience working with GenAI platforms (e.g. Azure OpenAI, OpenAI APIs, LangChain, AutoGen, or similar frameworks).
• Strong understanding of High Voltage equipment and solutions, including GIS and AIS technologies, their key components, configurations and options, along with customer applications and grid use cases (TSOs, utilities, industry), as well as relevant standards, lifecycle phases, and typical customer decision drivers.
• Proven ability to work cross-functionally with engineering, product, sales, pricing, and IT teams.
• Professional proficiency in English.

More about us

We pride ourselves on offering a holistic range of competitive benefits to support your financial, physical, and mental wellbeing, as well as your professional growth. We want you to truly thrive with us, in work and out.

Job type Full time

Work arrangement On-Site

Experience Experienced

Job function Sales, Marketing & Product Management

Contract Regular

Publication date 2026-10-27

Reference number R0122135

About Hitachi Energy

We are a global leader in electrification, powering the electricity era to meet the energy demands of today, and the next 25 years. As the energy arm of Hitachi Group, over three billion people depend on our pioneering, mission-critical technologies to power their daily lives.

With over a century of innovation, we are addressing the most urgent energy challenge of our time: driving the evolution of the world’s energy system to ensure abundant, secure, affordable, and sustainable power for today’s generation and the next.

With an unparalleled installed base in over 140 countries, we are the grid ecosystem partner across the utility, industry, data center, and transportation sectors. Headquartered in Switzerland, we employ over 56,000 people in 60 countries and generate revenues of around $20 billion USD.