Principal Data Scientist I

RELX Group; United States; On-site; USD 118,000 - 220,000; Full time

Benefits offered by this job

Annual incentive bonus

Country-specific benefits

Job summary

RELX Group in the United States seeks a Principal Data Scientist I to lead advanced analytics initiatives from Raleigh, NC. The role focuses on building scalable AI systems, overseeing model development, governance, and collaboration with senior stakeholders.

You will mentor teams, drive complex projects, and shape end-to-end data strategies. The ideal candidate has extensive experience with LLMs, RAG, semantic search, knowledge graphs, and production-grade AI observability, with a proven track

Qualifications

• Extensive experience with large language models and deployment in production.
• Proven ability to design and implement retrieval-augmented generation systems.
• Strong understanding of embedding strategies and semantic search.
• Experience integrating knowledge graphs and graph-enhanced intelligence.
• Leadership experience with teams and customer-facing stakeholders.

Responsibilities

• Lead analytic projects and share results with stakeholders.
• Oversee code reviews and validate models before customer delivery.
• Evaluate new frameworks and governance methodologies.
• Manage small-to-medium teams directly or indirectly.
• Set high standards for model development and governance.

Skills

LLM capabilities

Prompting

Fine-tuning

RAG

Semantic search

Knowledge graphs

Agentic AI

Multi-step reasoning

Mentoring

Leadership

Job description

Principal Data Scientist I

Experience: Not Available to Not Available years

Location: Raleigh, NC

Skills: large language models, prompting, fine-tuning, adaptation, retrieval-augmented generation, hybrid search, ranking optimization, embedding strategies, semantic search systems, knowledge graph integration, graph-enhanced intelligence, Agentic AI architecture, multi-step reasoning, autonomous agent orchestration, long-running agent design, feedback loops, GenAI, evaluation science, offline metrics, human-in-the-loop systems, cost-performance optimization, AI observability, monitoring in production, data governance, compliance-aware system design, problem-solving, mentoring, training, subject matter expert, management experience, customer relationships

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.

Incentive Bonus

This job is eligible for an annual incentive bonus.

Benefits

• We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location.

Hiring Process

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

Equal Opportunity Employer

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.