Palantir Foundry Ontology Engineer

Booz Allen Hamilton

Quick summary

Work type
On-site
Location
San Diego, CAMcLean, VA
Salary
$77,600–$176,000 / yr
Posted
3 days ago
Closes
Sep 23, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $180k
This role $127k
$61k most similar roles pay here $236k

This role pays less than 90% of similar roles. Most pay $150,000–$209,937 — the shaded band above. At the midpoint, this role pays about $127k versus about $180k for comparable roles.

Based on 240 similar postings.

Employer

About Booz Allen Hamilton

Booz Allen Hamilton is a management and technology consulting firm that provides analytics, digital, engineering, and cybersecurity solutions primarily to U.S. government agencies and commercial clients. Industry: Management & Technology Consulting

Booz Allen Hamilton currently has 760 open roles on FindRole.

Listed pay typically runs $86,800–$198,000 across 748 roles with salary data.

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At a glance

TL;DR · Palantir Foundry Ontology Engineer

As an Ontology Engineer on Palantir's Defense Technology team, you will collaborate with engineers, product owners, and mission stakeholders to design Foundry-based applications that address critical military needs. Your daily tasks include translating mission problems into technical architectures, building production-grade data pipelines using Foundry’s Code Repositories and Pipeline Builder, and maintaining ontologies for decision-support capabilities. You’ll troubleshoot and optimize existing systems while working closely with clients to gather requirements and refine solutions through deployment. Required skills encompass 3+ years of software or platform engineering experience, proficiency in Palantir Foundry, Python or TypeScript programming, ontology design, and the ability to communicate technical concepts effectively. Experience in defense or intelligence sectors is a plus, as well as secret clearance and strong analytical skills.

What you'll do

  • Translate mission problems into technical architectures and ontologies.
  • Build and maintain production-grade data pipelines using Foundry’s tools for structured and unstructured datasets.
  • Design, develop, and maintain ontologies to create operational workflows and decision-support capabilities.
  • Troubleshoot and optimize existing data pipelines and applications supporting critical operations.
  • Work directly with clients to gather requirements and refine solutions through deployment.

What we're looking for

  • 3+ years of experience in software, data analytics, or platform engineering.
  • Proficiency in Palantir Foundry and hands-on experience with Code Repositories, Pipeline Builders, and Data Connections.
  • Expertise in ontology design and management, including application development and workflow creation.
  • Strong ability to engage stakeholders, define requirements, and translate them into technical solutions.
  • Experience in troubleshooting, optimizing, and improving data pipelines for mission-critical operations.
  • Knowledge of core Foundry Applications and capability to address client challenges with tailored solutions.
  • Bachelor's degree required; Master’s degree preferred in Computer Science, Engineering, or a related field.

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