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Sr Palantir Developer - Ontology Models, Palantir Foundry

SES
Reston, VA Full Time
POSTED ON 12/12/2025 CLOSED ON 12/16/2025

What are the responsibilities and job description for the Sr Palantir Developer - Ontology Models, Palantir Foundry position at SES?

Job Details

Sr Palantir Developer - SME Level

Location: Hybird - Reston, VA - onsite 3 days per week

No C2C Candidates Please

Top 5 Technical Skills:

  1. Palantir "Foundry"
  2. AWS
  3. PySpark
  4. SQL
  5. Ontology Models

Top 3 Soft Skills:

  1. Leadership skills and confidence
  2. Great communications to be a SME
  3. Teaching/Mentorship

Job Description:

The Senior Palantir Foundry Developer will design, develop, and deploy advanced data integration and analytics solutions using the Palantir Foundry platform. This role requires deep technical expertise in Foundry s ecosystem, strong data engineering skills, and the ability to translate complex business requirements into scalable, secure, and performant solutions. The developer will also mentor junior team members and collaborate with cross-functional stakeholders to deliver impactful data-driven applications.
Solution Design & Development: Build and optimize data pipelines, Ontology models, and Foundry applications (Workshop, Contour, Quiver, Slate). Develop custom workflows and dashboards using Foundry s suite of tools. Data Integration & Transformation: Implement robust ingestion strategies for structured and unstructured data. Apply PySpark, SQL, and Foundry transformations for data cleansing and enrichment. Application Development: Create operational workflows and user-facing applications within Foundry. Integrate Foundry with cloud services (AWS, Azure, Google Cloud Platform) and external APIs. Governance & Security: Ensure compliance with data governance, lineage, and security standards (RBAC, encryption). Technical Leadership: Act as a subject matter expert for Palantir Foundry. Provide mentorship and enforce best practices in development and deployment. Innovation: Explore and implement GenAI/LLM capabilities within Palantir AIP for advanced analytics. Stay updated on Foundry features and drive adoption of new functionalities.

Benefits:

SES hires W2 benefitted and non-benefitted consultants. Our contract employee benefits include group medical dental vision life LT and ST disability insurance, 21 days of accrued paid time off, 401k, tuition reimbursement, performance bonuses, paid overtime, and more.

Please contact me to discuss the details of this position further.

*Please forward resume directly to for immediate consideration - rstarinieri at sesc .com

I look forward to speaking with you soon!

Robin Starinieri

Director of Recruiting

Systems Engineering Services

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
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