Principal Data Scientist I

RELX Inc. Company; Raleigh (NC); On-site; USD 118,000 - 220,000; Full time

Job summary

RELX Inc. is seeking a Principal Data Scientist I to lead and shape advanced AI initiatives in a fast-paced environment, partnering with senior stakeholders to deliver impactful results.

The role emphasizes leading complex projects, mentoring teams, and ensuring governance and robust evaluation of models across production systems.

Qualifications

• Extensive experience as a Data Scientist or similar senior AI role.
• Proven ability to lead complex ML projects and collaborate with customers.
• Mentoring or SME experience and team leadership experience.
• Strong communication with senior stakeholders.

Responsibilities

• Lead analytic projects and share results with stakeholders.
• Oversee code reviews and approve models before deployment.
• Define frameworks, governance, and evaluation methodologies.
• Directly or indirectly manage small-to-medium teams.
• Set high standards for model development.

Skills

LLMs

RAG

Embedding

Knowledge graph

GenAI architecture

Evaluation metrics

AI observability

Data governance

Communication

Leadership

Mentoring

Management

Project leadership

Job description

Principal Data Scientist I

Are you looking to develop your Data Scientist career? Would you like to be part of a team that innovates using technology?

Responsibilities

• Acting as a leader for analytic project and result sharing
• Leading code reviews, acting as a final approver of models before reaching customers
• Evaluating and creating new frameworks and defining methodologies and governance
• Managing and leading small-to-medium sized teams, directly or indirectly
• Setting a high-bar for model development

Requirements

• Large language models (prompting, fine-tuning, adaptation), LLM
• Advanced retrieval-augmented generation (hybrid search, ranking optimization), RAG
• Embedding strategies and semantic search systems
• Knowledge graph integration and graph-enhanced intelligence
• Agentic AI architecture, multi-step reasoning, autonomous agent orchestration, and long-running agent design with feedback loops, GenAI
• Evaluation science (offline metrics, human-in-the-loop systems)
• Cost-performance optimization
• AI observability and monitoring in production
• Data governance and compliance-aware system design
• Have excellent communication skills and the ability to convey information clearly to senior stakeholders
• Be a natural problem-solver and able to take a lead in collaborating to resolve issues
• Have experience in mentoring or training others, and acting as a subject matter expert to guide colleagues
• Have some management experience, including leading a team indirectly or directly
• Have significant experience in a Data Scientist role
• Have experience in leading complex projects and customer relationships

U.S. National Base Pay Range: $118,300 - $219,800.

Geographic differentials may apply in some locations to better reflect local market rates.

This job is eligible for an annual incentive bonus.

We know your well-being and happiness are key to a long and successful career.

We are delighted to offer country specific benefits.

We are committed to providing a fair and accessible hiring process.

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

USA Job Seekers: EEO Know Your Rights.

About RELX

RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive.

Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions.

Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.