Palantir Foundry Ontology Engineer, Junior

Booz Allen Hamilton

Quick summary

Work type
On-site
Location
McLean, VASan Diego, CA
Salary
$69,400–$158,000 / yr
Posted
4 days ago
Closes
Sep 8, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $191k
This role $114k
$50k most similar roles pay here $249k

This role pays less than 97% of similar roles. Most pay $155,525–$226,600 — the shaded band above. At the midpoint, this role pays about $114k versus about $191k for comparable roles.

Based on 239 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 702 open roles on FindRole.

Listed pay typically runs $86,800–$198,000 across 693 roles with salary data.

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At a glance

TL;DR · Palantir Foundry Ontology Engineer, Junior

As a Junior Palantir Foundry Ontology Engineer on the Defense Technology team, you will collaborate with engineers, product owners, and mission stakeholders to design and develop Foundry-based applications that address critical military needs. Your daily tasks include translating complex mission problems into technical architectures, building production-grade data pipelines using Foundry’s Pipeline Builder, and maintaining ontologies for decision-support capabilities. You will also troubleshoot and optimize existing systems, work closely with clients to gather requirements, and implement best practices such as version control and testing. This role requires experience in Python or TypeScript, Palantir Foundry, ontology design, and knowledge of core Foundry Applications. Ideal candidates have a background in software engineering and can effectively communicate technical concepts to diverse audiences while working independently and collaboratively within a multi-disciplinary team.

What you'll do

  • Translate mission problems into technical architectures, workflows, and ontologies.
  • Build and maintain production-grade data pipelines using Foundry’s Pipeline Builder with 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 for mission-critical operations.
  • Implement engineering best practices including version control, testing, and documentation.

What we're looking for

  • 1+ years of experience in software, data, or platform engineering
  • Proficiency in Python or TypeScript and expertise with Palantir Foundry
  • Experience designing and managing ontologies and developing applications
  • Knowledge of core Foundry Applications for client challenge solutions
  • Bachelor's degree in Computer Science, Engineering, Analytics, or technology field
  • Foundry & AIP Builder Foundations Quiz Credential Badge required

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