Senior Data Architect

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

We are looking for a Senior Data Architect to design and lead the data architecture for an automotive test intelligence platform. The role focuses on building AWS-native lakehouse solutions that enable the ingestion, normalization, semantic modeling, and analytical consumption of large-scale vehicle test and telemetry data.

Key Responsibilities

• Design AWS-based Bronze, Silver, and Gold lakehouse architecture.
• Define canonical data models for vehicles, test runs, signals, events, measurements, and insights.
• Analyze and model data from vehicle sensors, CAN/CAN FD, Automotive Ethernet, and test systems.
• Design metadata catalogs, data contracts, schema evolution, and data lineage.
• Define storage, partitioning, retention, and lifecycle strategies.
• Collaborate with Data Scientists to support analytics, AI, and RAG use cases.
• Design data access architectures for analytical platforms and AI agents.

Required Skills

• Strong experience in data architecture and dimensional/relational modeling.
• Hands-on experience designing data lakehouse solutions on AWS.
• Expertise in S3, Glue Data Catalog, Athena, Parquet, and preferably Apache Iceberg.
• Experience with large-scale time-series and analytical datasets.
• Strong knowledge of data governance, metadata management, and schema evolution.
• Advanced SQL and query optimization skills.

Preferred Skills

• Automotive telemetry and vehicle test data experience.
• Knowledge of CAN/DBC signal structures and MDF/MF4 formats.
• Experience with semantic layers, knowledge graphs, or ontology modeling.
• AI/RAG data architecture experience.
• Ability to work closely with Data Scientists on scientific and analytical data models.

Qualifications

• Bachelor's degree in Computer Science, Data Engineering, or related field.
• 8+ years in Data Architecture, Data Engineering, or similar roles.
• Proven experience delivering enterprise-scale data platforms on AWS.
• Good English communication both and working with UK Time is a big plus.

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.