> Markdown version of [/jobs/ext/2502215-palantir-enterprise-ontology-architect](https://www.wearedevelopers.com/jobs/ext/2502215-palantir-enterprise-ontology-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Palantir Enterprise Ontology Architect - **Company:** Guidehouse Inc. - **Location:** Arlington, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Data Architecture, Data Governance, Data Infrastructure, Data Security, Relational Databases, Metadata, Meta-Data Management, Metadata Standards, SQL Databases, Management of Software Versions, Enterprise Data Management, Api Design, Api Gateway - **Published:** August 17, 2026 - **Apply:** https://www.dice.com/job-detail/4c79dd80-ab80-4229-a86d-dc3bc82cbcc7 ## About the Role * ACTIVE and MAINTAINED SECRET Federal or DoD security clearance. * Bachelor\'s degree in a relevant technical field is required * A minimum SIX (6) years of relevant professional experience, including at least THREE (3) years of hands-on experience in enterprise data modeling, information architecture, metadata management, ontology management, or data governance is required. * Experience designing and maintaining ontologies within Palantir Foundry. * Understanding of enterprise metadata management and information architecture principles. * Experience defining and governing enterprise data standards. * Understanding of identity, permissions, group management, and access control concepts. * Experience supporting shared enterprise platforms used by multiple application teams. * Familiarity with API design and integration patterns. * Strong understanding of relational database concepts. * Ability to balance business requirements with long-term enterprise architecture and governance objectives. * Strong collaboration skills with engineers, product owners, governance teams, and business stakeholders. * Ability to support remote, hybrid, and on-site projects in the DC metro area. What Would Be Nice To Have: * NINE (9) years? experience in hands-on data modeling and/or data architecture. * ACTIVE or ability to gain TOP SECRET Federal or DoD security clearance. * Experience implementing enterprise metadata catalogs or data asset inventories. * Experience designing governance processes for ontology lifecycle management. * Experience resolving ontology conflicts, duplication, and enterprise data standardization challenges. * Experience supporting classified data environments. * Proficiency using SQL to validate and analyze enterprise data structures. ## Description Design, govern, and evolve the enterprise information architecture within Palantir Foundry. This role is responsible for ensuring ontology objects, metadata, permissions, and enterprise data structures remain consistent, reusable, secure, and scalable across multiple applications and projects. They serve as the steward of the enterprise ontology by balancing application-specific needs with long-term enterprise reuse, consistency, security, and interoperability. * Design, develop, and maintain enterprise ontology models using Palantir Ontology Manager. * Define and govern enterprise metadata standards to ensure consistent implementation across applications, domains, and portfolios. * Manage the lifecycle of enterprise ontology objects, including creation, promotion, versioning, deprecation, and stewardship. * Monitor ontology usage and identify opportunities to improve reuse, reduce duplication, and resolve conflicts across projects. * Partner with application teams to ensure ontology objects align with enterprise standards while meeting business needs. * Design and maintain APIs and integration patterns that enable consistent access to shared ontology objects and API gateway principals. * Develop governance processes for enterprise ontology promotion, object ownership, and change management. * Support data access, permission, and group management by helping define appropriate access models and governance practices. * Ensure ontology objects, metadata, and related assets are accurately cataloged and aligned with the Enterprise Metadata Schema and Data Asset Inventory. * Advise clients on enterprise information architecture, ontology design, metadata management, and governance best practices. * Develop trusted relationships with client stakeholders and support business development efforts including proposals, white papers, demonstrations, and capability briefings. * Support business development efforts (e.g., responding to RFPs/RFIs, developing white papers, creating pitch decks and capability briefings, etc.). ## Related Videos - [A Data Mesh needs Open Metadata](https://www.wearedevelopers.com/videos/505-a-data-mesh-needs-open-metadata) - [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started) - [20 billion requests a week: Upgrading Twilio's API gateway at scale](https://www.wearedevelopers.com/videos/100234-20-billion-requests-a-week-upgrading-twilio-s-api-gateway-at-scale) - [Blueprints for Success: Steering a Global Data & AI Architecture](https://www.wearedevelopers.com/videos/1577-blueprints-for-success-steering-a-global-data-ai-architecture) - [Crafting Custom Frameworks with Rust: A Deep Dive into Procedural Macros](https://www.wearedevelopers.com/videos/849-crafting-custom-frameworks-with-rust-a-deep-dive-into-procedural-macros) - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) ## Related Articles - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [Graph and AI Trends 2026: Why Is AI Running but Not Yet Delivering?](https://www.wearedevelopers.com/magazine/680-graph-and-ai-trends-2026-why-is-ai-running-but-not-yet-delivering) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story)