Location:Santa Clara, California, United StatesJob ID: R0124622Date Posted:2026-03-27Company Name:HITACHI AMERICA, LTD.Profession (Job Category):IT, Telecom &amp; InternetJob Schedule: Full timeRemote:NoJob Description:AI and Data EngineerCompany: Hitachi America, Ltd.Division: Business Innovation &amp; Digital TransformationLocation: Santa Clara, CAStatus: Temp-to-Perm Duration: 6 months+ (May 2026 – October 2026)About Hitachi, Ltd.Through its Social Innovation Business (SIB) that brings together IT, OT (Operational Technology) and products, Hitachi contributes to a harmonized society where the environment, well being, and economic growth are in balance. Hitachi operates globally in four sectors – Digital Systems &amp; Services, Energy, Mobility, and Connective Industries – and the Strategic SIB Business Unit for new growth businesses. With Lumada at its core, Hitachi generates value from integrating data, technology and domain knowledge to solve customer and social challenges. Revenues for FY2024 (ended March 31, 2025) totaled 9,783.3 billion yen, with 618 consolidated subsidiaries and approximately 280,000 employees worldwide. Visit us at <a href="http://www.hitachi.com/">www.hitachi.com.</a>SummaryHitachi America, Ltd. (<a href="http://www.hitachi-america.us/">http://www.hitachi-america.us/</a>) has openings for an AI and Data Engineer in the IT Innovation and AI Solutions located in Silicon Valley. The mission of this team is to help create new and innovative solutions that utilize artificial intelligence and advanced analytics of the Industrial Internet of Things (IIoT). The IT innovation team focuses on research, technology innovation, proof-of-concept activities, technical marketing and business development for novel AI solutions, leveraging Hitachi’s technologies, reinforcing Hitachi’s messaging around big data, and establishing Hitachi as a leader in Industrial AI.Role OverviewWe are seeking a talented and experienced AI and Data Engineer to join our team and play a crucial role in the development and enhancement of our cutting-edge Generative AI Platform. As an AI and Data Engineer, you will be responsible for designing, testing, and optimizing prompts that enable our AI models to generate high-quality, contextual, and engaging content across a wide range of applications.Responsibilities<ul><li>Collaborate with cross-functional teams, including data scientists, machine learning engineers, and product managers, to understand the specific use cases and requirements for the Generative AI Platform.</li><li>Research and analyze the capabilities, limitations, and best practices of leading Generative AI models, such as Perplexity, ChatGPT / Azure AI/ , and NVIDIA's language models.</li><li>Develop and refine prompts that effectively leverage the strengths of these AI models to generate content that is accurate, coherent, and aligned with the desired tone, style, and purpose.</li><li>Conduct extensive testing and evaluation of prompts, iterating on the design to optimize for performance, safety, and ethical considerations.</li><li>Maintain a comprehensive prompt library and documentation, ensuring prompt reusability and consistency across the platform.</li><li>Develop tools and frameworks to streamline the prompt engineering process, including prompt templates, prompt scoring metrics, and automated prompt generation capabilities.</li><li>Stay up-to-date with the latest advancements in Generative AI, natural language processing, and prompt engineering best practices, and continuously incorporate new techniques and insights into the platform.</li><li>Collaborate with the product and engineering teams to integrate prompt engineering capabilities into the Generative AI Platform, ensuring seamless user experience and scalability.</li><li>Provide training and support to platform users, educating them on effective prompt design and usage.</li></ul>Qualifications<ul><li>Master's degree in Computer Science, Linguistics, or a related field.  (PhD preferred)</li><li>Extensive experience in natural language processing, text generation, and prompt engineering, with a deep understanding of the underlying principles and techniques.</li><li>Proficiency in programming languages such as Python, Jupyter Notebooks, and Markdown, with the ability to write clean, maintainable, and efficient code.</li><li>Strong analytical and problem-solving skills, with the ability to think critically and creatively to address complex challenges.</li><li>Excellent communication and collaboration skills, with the ability to work effectively in a cross-functional team.</li><li>Familiarity with leading Generative AI models, such as Perplexity, Azure GPT, and NVIDIA's language models, and their respective capabilities and limitations.</li><li>Understanding of ethical considerations in AI development, including bias, fairness, and safety.</li><li>Experience in developing and deploying AI-powered applications in a production environment is a plus.</li></ul>Benefits<ul><li>Opportunity to work on cutting-edge Generative AI technology and contribute to the development of innovative solutions.</li><li>Exposure to a diverse range of Generative AI use cases and the chance to learn from industry experts.</li><li>Competitive compensation and the potential for career growth within a dynamic and fast-paced environment.</li><li>Collaborative and supportive team culture that encourages continuous learning and professional development.</li></ul>If you are passionate about Generative AI, have a strong background in prompt engineering, and are eager to join a team that is pushing the boundaries of what's possible with AI, we encourage you to apply for this exciting role.Our Values We are proud to say we are an equal opportunity employer and welcome all applicants for employment without attention to any factor that doesn’t impact your ability to do the job, including race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.  We are proud of Japanese heritage, with our values expressed through the Hitachi Spirit:Wa – Harmony, Trust, RespectMakoto – Sincerity, Fairness, Honesty, IntegrityKaitakusha-Seishin – Pioneering Spirit, Challenge  For California only (as required by California’s Pay Transparency for Pay Equity Act (<a href="https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220SB1162">SB 1162</a>): A good faith estimate of the expected hourly rate for this position in our California office upon hire is $22 - $29 per hour. Pay is determined based on a variety of factors including, but not limited to, depth of experience in the practice area. Employees are eligible to participate in Hitachi America’s variable pay program, subject to the program’s conditions and restrictions.Qualified Applicants with arrest or Conviction records will be considered for Employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Equal Opportunity Employer (EOE)-Females/Minorities/Protected Veterans/Individuals with Disabilities If you need a reasonable accommodation to apply for a job at Hitachi, please send the nature of request and contact information to accommodation@hal.hitachi.com. Queries other than accommodation requests will not be responded to.

Hitachi Energy is a global technology leader that is advancing a sustainable energy future for all. We serve customers in the utility, industry and infrastructure sectors with innovative solutions and services across the value chain. Together with customers and partners, we pioneer technologies and enable the digital transformation required to accelerate the energy transition towards a carbon-neutral future. We are advancing the world&rsquo;s energy system to become more sustainable, flexible and secure whilst balancing social, environmental and economic value. Hitachi Energy has a proven track record and unparalleled installed base in more than 140 countries.

AI and Data Engineer

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HITACHI ENERGY

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