Data & Context Architect

Hitachi Automotive Systems Americas, Inc.; Dallas (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

Hitachi Digital Services in Dallas, TX seeks a Data and Context Architect to design the semantic, knowledge, and governance layers that enable AI agents to operate on trusted, well-structured data assets. You will design the metrics layer, ontology framework, search indexes, and business glossary, and drive data readiness across scope, freshness, quality, governance, and usability.

Requirements include 12+ years in data architecture or analytics, delivering enterprise semantic layers or

Qualifications

• 12+ years of experience in data architecture or analytics architecture.
• Proven delivery of at least one enterprise-scale semantic layer, knowledge graph, or governed data product.
• Experience leading requirements workshops with business SMEs and presenting architectural recommendations to senior leadership.

Responsibilities

• Design and develop the semantic, knowledge, and governance layers for AI agents.
• Design the metrics layer, ontology framework, search indexes, and business glossary.
• Establish entitlement frameworks, data lineage standards, and agent identity requirements.
• Define governance and data readiness across dimensions like scope, freshness, quality, and usability.

Skills

Databricks / Lakehouse

Semantic layer design

Knowledge graphs / RDF

Vector databases / semantic search

Data governance

Event-driven architectures (Kafka/MSK)

Data quality management

Tools

Databricks

PySpark

Unity Catalog

Neo4j

RDF/OWL

Kafka

Amazon MSK

Job description

Function Cloud & Data Engineering Our Company We’re Hitachi Digital Services, a global digital solutions and transformation business with a bold vision of our world’s potential. We’re people-centric and here to power good. Every day, we future-proof urban spaces, conserve natural resources, protect rainforests, and save lives. This is a world where innovation, technology, and deep expertise come together to take our company and customers from what’s now to what’s next. We make it happen through the power of acceleration. Imagine the sheer breadth of talent it takes to bring a better tomorrow closer to today. We don’t expect you to ‘fit’ every requirement – your life experience, character, perspective, and passion for achieving great things in the world are equally as important to us.

Job description

Role Summary

We are seeking a Data and Context Architect to design the semantic, knowledge, and governance layers that enable AI agents to operate on trusted, well-structured, and governed data assets.

Key Responsibilities

• Design and develop the metrics layer, ontology framework, search indexes, and business glossary.
• Establish and evaluate data readiness across dimensions such as scope, freshness, semantic clarity, quality, governance, usability, and operational effectiveness.
• Elicit business rules from SMEs and translate them into reusable, governed, and scalable models.
• Define entitlement frameworks, data lineage standards, and agent identity requirements.

Required Technical Skills

• Expertise with lakehouse and cloud-based data platforms, preferably Databricks, including Delta Lake, Unity Catalog, PySpark, or comparable technologies.
• Strong knowledge of semantic and metrics layers, dimensional modeling, and domain-driven data modeling.
• Hands-on experience with ontologies and knowledge graphs, including RDF/OWL, Neo4j, or similar property graph technologies.
• Experience with vector databases, semantic search, embeddings, and Retrieval-Augmented Generation (RAG) architectures.
• Deep understanding of data governance disciplines, including data lineage, access management, business glossaries, and master data management.
• Experience with event-driven architectures and business rules implementation using technologies such as Kafka, Amazon MSK, alerting platforms, and rules engines.
• Proficiency in data quality management, data reconciliation, and data readiness assessments.

Minimum Experience Required

12+ years of experience in data architecture, data engineering, or analytics architecture. Proven delivery of at least one enterprise‑scale semantic layer, knowledge graph, or governed data product. Experience leading requirements workshops with business subject matter experts (SMEs) and developing architectural recommendations for senior leadership and stakeholders.

Preferred Skills

• Domain experience in automotive, manufacturing, or supply chain environments.
• Exposure to GenAI grounding techniques, text-to-SQL solutions, and natural language analytics platforms.
• Professional certifications in Databricks, cloud architecture, or data architecture.

About us

We’re a global, team of innovators. Together, we harness engineering excellence and passion to co-create meaningful solutions to complex challenges. We turn organizations into data‑driven leaders that can make a positive impact on their industries and society. If you believe that innovation can bring a better tomorrow closer to today, this is the place for you. Fostering innovation through diverse perspectives Hitachi is a global company operating across a wide range of industries and regions. One of the things that sets Hitachi apart is the diversity of our business and people, which drives our innovation and growth. We are committed to building an inclusive culture based on mutual respect and merit‑based systems. We believe that when people feel valued, heard, and safe to express themselves, they do their best work.

How we look after you

We help take care of your today and tomorrow with industry‑leading benefits, support, and services that look after your holistic health and wellbeing. We’re also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We’re always looking for new ways of working that bring out our best, which leads to unexpected ideas. So here, you’ll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with. We’re proud to say we’re an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic. Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success. 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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