Principal Data Engineer - Enterprise Data & AI Leader

Blue Shield of CA; Milwaukee (WI); On-site; USD 170,000 - 230,000; Full time

Job summary

Blue Shield of CA is seeking a Principal Data Engineer to lead end-to-end data solutions across enterprise data lakes, warehouses, and data marts. You will collaborate with architects, analytics teams, and engineering groups to design scalable data products and implement cloud-based architectures that advance data-driven decision making.

The role emphasizes hands-on SQL/Python development, AI/ML enablement, and mentoring senior engineers while shaping data governance, security, and performance

Qualifications

• Requires a bachelor’s degree or equivalent experience.
• Requires a minimum of 10 years of relevant data engineering experience.
• Experience supporting enterprise AI/ML, advanced analytics, and data product ecosystems.
• Expertise in Data Vault 2.0, dimensional modeling, Lakehouse architecture, or domain-driven data design.
• Demonstrated ability to influence enterprise architecture decisions and mentor senior engineering talent.
• Expert in understanding data management practices, data modelling (data vault 2.0), master data management, data integration, data architecture, data virtualization, data warehousing, data privacy and security.
• Demonstrated enthusiasm for AI and emerging technologies, with solid understanding of AI/ML concepts and handson experience applying AI-driven solutions in enterprise environments.
• Hands on experience with SQL, Python, DBT Cloud and DBT core. Expert in one or more of NoSQL and database appliances and platforms (Snowflake, Synapse, Databricks)
• Proven ability to design and scale largevolume, highperformance data platforms leveraging parallel and distributed architectures.
• Advanced knowledge of CI/CD, source control, and agile delivery tooling (e.g., Git, Bitbucket, Jira).
• Experience in healthcare, regulated environments, or large enterprises is strongly preferred.

Skills

Data Vault 2.0

Dimensional modeling

Lakehouse architecture

Data integration

Data warehousing

Data privacy and security

AI/ML concepts

SQL

Python

DBT Cloud

DBT Core

NoSQL

Snowflake

Synapse

Databricks

CI/CD

Git

Bitbucket

Jira

Agile

Education

Bachelor's degree or equivalent experience

Tools

Snowflake

Synapse

Databricks

DBT Cloud

DBT Core

Job description

Blue Shield of CA is seeking a Principal Data Engineer to lead end-to-end data solutions across enterprise data lakes, warehouses, and data marts. You will collaborate with architects, analytics teams, and engineering groups to design scalable data products and implement cloud-based architectures that advance data-driven decision making.

The role emphasizes hands-on SQL/Python development, AI/ML enablement, and mentoring senior engineers while shaping data governance, security, and performance