Principal Data Scientist I
At a glance
Senior Data Science role at RELX (LexisNexisLegal). Raleigh · full-time · $118,300–$219,800 base.
dataroles summary, based on the employer's posting.
What you'll do
- Guide analytics projects and share their findings, while leading code reviews and approving models before customer release
- Build or assess frameworks, then set the methods and governance used for model work
- Lead small and mid-sized teams directly or through others, and maintain a high standard for model development
What you bring
- Substantial experience working as a data scientist, including leadership of complex projects and customer relationships
- Hands-on knowledge of LLM prompting, tuning and adaptation, plus advanced RAG, semantic search and graph-based systems
- Experience with agentic AI, evaluation methods, production monitoring, cost-performance tradeoffs and compliance-aware data governance
- Strong communication, problem-solving and collaboration skills, with experience mentoring colleagues and leading teams
Who this fits
This senior role suits a data scientist ready to lead technical decisions, complex projects and teams, including indirectly. It is based in Raleigh, United States.
From the employer
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
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.
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.
Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here.
Please read our Candidate Privacy Policy.
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:
Data Science work from LinkedIn, X, Reddit and Upwork, in one list.
Each morning you get everything that fits, strongest first.
Data Science$110k+
Find me workBy the team behind dataroles.