Senior Semantic Data Engineer — AI-Driven Data Architect

Prologis; Denver (CO); On-site; USD 104,000 - 144,000; Full time

Job summary

Prologis is seeking a Senior Semantic Data Engineer to join the Data Solutions team in Denver, CO. You will design and deliver trusted Snowflake data products, build and maintain a semantic layer, and apply Cortex AI capabilities to improve delivery speed and quality.

The role requires strong data modeling, advanced SQL, and experience with semantic layers and AI tools. You will collaborate with business stakeholders across regions to ensure data accuracy and governance.

Qualifications

• Five or more years of experience in data engineering, data modeling, analytics engineering, or a related discipline.
• Experience designing conceptual, logical, physical, and dimensional data models and translating business concepts into production data products, including grain, relationships, metrics, identity, and historical change.
• Advanced SQL skills.
• Experience designing and delivering production data products in Snowflake.
• Experience with semantic layers, reusable metric definitions, and business metadata that support natural-language data access, enterprise search, copilots, or AI agents.

Responsibilities

• Design and deliver trusted, reusable Snowflake data products for business domains, translating source data into certified dimensional structures, reusable views, and data contracts while resolving identity and modeling historical change.
• Build and maintain the semantic layer by defining shared business concepts, terminology, relationships, rules, and measures that support consistent use of enterprise data across analytics, applications, business processes, automation, and AI.
• Implement semantic data products using Snowflake Cortex semantic views and analytical Cortex Agents, applying approved AI capabilities to improve delivery speed, quality, and consistency while remaining accountable for outputs.
• Validate semantic data products for business accuracy, data quality, usability, performance, security, and production readiness.
• Develop and maintain representative business questions, verified queries, expected results, and regression tests; investigate inaccurate or inconsistent AI-generated answers and improve the underlying data, semantic model, instructions, or examples.
• Capture definitions, mappings, ownership, lineage, and user guidance in version-controlled, machine-readable formats and publish this content to the enterprise data catalog through automated processes.
• Lead complex semantic-modeling initiatives from business and source discovery through technical design, implementation, production deployment, and continuous improvement, partnering with business owners and domain experts across business functions, processes, systems, and regional variations.

Skills

5+ years exp

Advanced SQL

Snowflake

Semantic layer

AI tools

Source control

Python

YAML

APIs

Data modeling

Stakeholder comms

Production data

AI evaluation

Education

Bachelor’s degree

Tools

Snowflake Cortex semantic views

Cortex Analyst

Cortex Agents

Data catalogs

Job description

Prologis is seeking a Senior Semantic Data Engineer to join the Data Solutions team in Denver, CO. You will design and deliver trusted Snowflake data products, build and maintain a semantic layer, and apply Cortex AI capabilities to improve delivery speed and quality.

The role requires strong data modeling, advanced SQL, and experience with semantic layers and AI tools. You will collaborate with business stakeholders across regions to ensure data accuracy and governance.