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Palantir Foundry Ontology Engineer

Job in McLean, Fairfax County, Virginia, USA
Listing for: Phase2 Technology
Full Time position
Listed on 2026-07-27
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Machine Learning/ ML Engineer, Data Engineering
Salary/Wage Range or Industry Benchmark: 77600 - 176000 USD Yearly USD 77600.00 176000.00 YEAR
Job Description & How to Apply Below

Job Number: R0242013

Job Title

Palantir Foundry Ontology Engineer, Mid

Opportunity

As an engineering and analytics professional,you'reexcited at the prospect of unlocking the secrets held by a data set, andyou're fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. Your deep engineering and analytics expertise, coupled with an original approach to your work, will guide clients and stakeholders as they make sense of their data and encourage actionable results.

As a Forward Deployed Engineer on our Defense Technology team,you'll introduce innovative methodologies to make a real-world impact on protecting our military.

You'llshare your skills in data engineering, data science,modeling and technology integration to develop solutions to drive the mission forward. Collaborate with engineers, product owners, analysts, and mission stakeholders to design and develop Foundry-based applications that meet mission needs.

What You'll Do
  • Translate mission problems into technical architectures, workflows, and ontologies.
  • Build andmaintainproduction-grade data pipelines using Foundry's Code Repositories and Pipeline Builder with both structured and unstructured dataset inputs.
  • Design, develop, andmaintainontologies and create operational workflows and decision-support capabilities.
  • Troubleshoot,optimize, and improve existing data pipelines and applications supporting mission-critical operations.
  • Work directly with clients to gather requirements, iterate on prototypes, and refine solutions through deployment.
  • Implement engineering best practices including version control,testing and documentation.
  • Communicate technical concepts clearly to both technical and non-technical audiences.
  • Travel to and work from client sites as needed for workshops, deployment activities, or embedded support.
You Have
  • 3+ years of experience in software, data, or platform engineering
  • 1+ years of experience in Palantir Foundry
  • Experience with creating Data Connections, Code Repos, or Pipeline Builders for data ingestion and transformation, debugging and resolving pipeline issues,errorand performance bottlenecks, and in programming languages such as Python or Type Script
  • Experience in Ontology design and management, designing and developing applications and workflows,and integrating AIP solutions
  • Knowledge of the core Foundry Applications and designing solutions to address client challenges
  • Ability to engage with stakeholders, define requirements, and translate them into technical solutions, and break down complex mission challenges into implementable solutions
  • Ability to work independently and take ownership of outcomes while collaborating with a multi-disciplinary team
  • Ability to show a passing score on the Foundry & AIP Builder Foundations Quiz
  • Abilityto obtain a Secret clearance
  • Bachelor's degree in Computer Science, Engineering,Analytics,or a technology field
Nice If You Have
  • Experience working directly with mission operators, analysts, or stakeholders in embedded or forward-deployed environments for clients in the defense or intelligence sectors
  • Experience with Git repositories, CI/CD workflows, or infrastructure automation
  • Experience with AI or ML model integration within Foundry applications
  • Knowledge of Foundry security models, access control, and compliance frameworks
  • Possession of strong analytical and problem solving skills
  • Secret clearance
  • Master's degree in Computer Science, Engineering,Analytics,or a technology field
Clearance

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information.

Compensation

The projected compensation range for this position is $77,600.00 to $ (annualized USD). The posting will close within 90 days from the Posting Date.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

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