Ontology Engineer

The Global Purchasing Business Analytics Team at Stellantis is seeking a Ontology Engineer to build and maintain robust backend data solutions in support of global purchasing analytics. This role is focused on designing scalable data models and developing high-quality, production-grade code in SQL and Python to support our enterprise analytics architecture.  You will work across platforms such as Snowflake, Palantir Foundry, Power BI, and potentially Databricks, helping the team evolve toward advanced capabilities, including AI-enhanced insights. While you’ll collaborate closely with analysts and business stakeholders, this is a data engineering position — not a dashboard/reporting development role.  As Stellantis operates globally with diverse and region-specific systems, you will often need to integrate fragmented data sources and iteratively develop solutions without complete documentation or available SMEs. Success in this role requires initiative, curiosity, and a self-starting mindset — someone who can function as a data entrepreneur: discovering and connecting data across domains to drive business value in a complex enterprise environment.  You will work on a globally distributed team. Working hours must include at least 4 hours of overlap with Eastern Standard Time (EST) to ensure strong collaboration. 

Key Responsibilities include But Not Limited To

• Develop, optimize, and maintain SQL / PySpark-based data models to support analytical applications in Global Purchasing 
• Partner with data analysts to understand analytical requirements and translate them into well-structured backend data solutions 
• Implement data validation, transformation, and automation logic to ensure high data quality  Write clean, efficient, and maintainable code using SQL, Python/PySpark, and TypeScript (where applicable) 
• Explore and connect new or unfamiliar datasets in an iterative and self-directed manner, especially where formal documentation or SMEs are unavailable. 
• Collaborate with cross-functional teams to connect complex data into usable data models.  
• Contribute to the adoption of AI-driven tooling and workflows where applicable 

Basic Qualifications

• Bachelor of Science degree in Business, Business Administration, Supply Chain Management, Finance, Marketing, Economics, International Business, Accounting, Entrepreneurship, Engineering, or equivalent; Other technical degrees with business background also considered
• 8 + years of experience in data engineering or related experience
• Strong SQL coding skills
• Familiarity with modern data platforms (e.g., Snowflake, Palantir Foundry, Databricks, etc.)
• Experience with data modeling concepts, star/snowflake schemas, and analytics-ready data design
• Ability to write clean, maintainable code and troubleshoot performance issues in large datasets
• Comfortable working in a backend engineering role, supporting front-end dashboards without directly building reports.
• Solid understanding of data pipelines, ETL/ELT workflows, and version control (e.g., Git)Strong self-learning skills and ability to work independently in ambiguous, data-discovery-driven scenarios.

Preferred Qualifications

• Proficiency in Python
• Experience with TypeScript, especially in the context of Palantir or similar platforms
• Familiarity with Power BI, but focused on backend data support rather than report creation
• Exposure to AI/ML workflows or interest in supporting such projects
• Experience working in Agile and/or cross-functional teams

Our Benefits — Designed With You In Mind

Comprehensive Health & Well-being Coverage

From your very first day, you’ll have access to medical, dental, vision, and prescription drug coverage — ensuring you and your family stay healthy and protected. Also, our Employee Assistance Program (EAP) offers confidential support for personal and professional challenges, always ready when you need it.

Family Building Benefit

We proudly support all paths to parenthood- including fertility and infertility treatments, adoption services, and gestational surrogacy.

Generous Paid Time Off

We believe in work-life balance. That’s why we offer: 17+ paid holidays, including shut-down from December 24th through New Years Day every year. Vacation, float & wellbeing days, sick time and fully paid parental leave when your family needs you most.

Competitive Retirement Savings Plans

We Help You Plan For The Future With

• An employer match on contributions to your 401k, Roth, and Catch-Up plans
• An employer contribution, even if you don’t contribute

Income Protection & Insurance Options

Benefit from both employer-provided and voluntary plan offerings, including life insurance, group accident, critical illness, etc. - supporting the needs of you and your family and ensuring peace of mind.

Company Vehicle Lease Program

Eligible employees and their immediate families can participate in the company vehicle lease program, providing access to Stellantis vehicles with insurance, maintenance, and unlimited miles included. Plus, take advantage of exclusive discounts on Stellantis products.

Support for Your Growth and Giving Back

We believe in investing in your future and your passions:

• Tuition reimbursement
• Student loan refinancing programs
• 18 paid volunteer hours each year to make a difference in your community

And so much more!

When you join us, you’re not just building a career — you’re joining a company that supports you, inside and outside of work.

At Stellantis, we assess candidates based on qualifications, merit, and business needs. We welcome applications from all people without regard to sex, age, ethnicity, nationality, religion, sexual orientation, disability, or any characteristic protected by law. We believe that diverse teams reflect our identity as a global company, enabling us to better address the evolving needs of our customers and care for our future.

EOE / Disability / Veteran