Senior Data Engineer (Palantir)

Were looking for a hands-on Palantir Foundry engineer to design and build ontology-driven data foundations and operational applications for our clients. Youll work across the full Foundry stack from pipeline engineering to ontology modeling to AIP-powered app building translating business requirements into production-grade solutions that teams can trust and build on.

What youll do:

• Build and maintain data pipelines using Pipeline Builder and Code Repositories writing PySpark/Python transforms to power Foundrys data foundation.
• Design and govern the shared ontology in Ontology Manager modeling object types link types and action types that accurately represent the business.
• Build operational applications using Workshop and OSDK translating ontology objects into usable business-facing tools.
• Develop AIP-backed capabilities using Agent Studio and Logic including LLM-backed functions in TypeScript/Python with working knowledge of AIP Evals to test and validate quality.
• Manage releases across environments (Dev UAT Prod) using Foundrys branching DevOps and Marketplace-based promotion workflows.
• Partner with business and client stakeholders to translate requirements into robust ontology design and Foundry-native applications.

What you bring:

• Hands-on experience across the core Foundry stack: Ontology Manager (object/link/action types) Pipeline Builder and Code Repositories (PySpark/Python transforms).
• Practical AIP experience Agent Studio Logic and building LLM-backed functions in TypeScript/Python along with familiarity with AIP Evals.
• Strong ontology design and governance skills modeling entities and relationships defining action types and managing a shared ontology across multiple teams.
• Experience with Foundry release management branching DevOps practices and Marketplace-based promotion across environments.
• Ability to translate ambiguous business requirements into clean scalable Foundry data foundations and operational apps.

Good to have:

• OSDK experience for custom front-ends or external system integrations.
• Exposure to Palantir MCP and Ontology MCP.
• Strong core data engineering fundamentals SQL Python/PySpark schema design and incremental pipeline patterns.
• Foundry administration experience Spaces markings/CBAC project structuring and access governance.
• Familiarity with change management / SDLC discipline for analytics platforms including environment separation and promotion pipelines.
• Prior client-facing or stakeholder-facing delivery experience.

Required Experience:

Senior IC