Senior Principal Data Architect – Semantic Graph Lead

JP Morgan Chase; Plano (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

JPMorganChase in Plano, Texas seeks a Senior Principal Data Architect to influence target state architecture and strategy across the IAM - Data Services Organization. You will build a Data Services platform that connects scattered assurance data into one governed semantic model, from control objectives to evidence and findings, and own the enterprise semantic model at the platform center.

This role requires deep expertise in graph/semantic modelling, cloud-native data platforms (Databricks),

Qualifications

• Proven record designing semantic models or knowledge graphs for large-scale enterprise apps.
• Deep expertise in graph/semantic data modelling, ontology and taxonomy design.
• Hands-on experience with graph technologies and query languages like RDF/OWL.
• Strong cloud-native data platform architecture experience on Databricks or lakehouse.
• Experience with data contracts, schema versioning and change management across teams.
• Ability to influence senior stakeholders without direct authority.

Responsibilities

• Own the design of the enterprise semantic model with stable identities and versioning.
• Set firmwide standards for modelling, taxonomy, and ontology across domains.
• Decide when to use graph-native vs lakehouse processing for analytics at scale.
• Design how semantic layer integrates with the data lakehouse architecture.
• Define data contracts and schema evolution patterns to avoid surprises.
• Incorporate auditability, entitlements, and data quality across outputs.
• Guide teams on silver/gold modelling and contract design.
• Present architecture decisions to senior stakeholders.

Skills

Semantic modeling

Graph databases

Cloud data platforms

Databricks lakehouse

Data governance

Ontology design

Data lineage

AI governance

Tools

RDF/OWL

SQL

Databricks

Job description

JPMorganChase in Plano, Texas seeks a Senior Principal Data Architect to influence target state architecture and strategy across the IAM - Data Services Organization. You will build a Data Services platform that connects scattered assurance data into one governed semantic model, from control objectives to evidence and findings, and own the enterprise semantic model at the platform center.

This role requires deep expertise in graph/semantic modelling, cloud-native data platforms (Databricks),