Principal Data Scientist

Johnson & Johnson

Confirmed live yesterday High trust
Hybrid

Quick summary

Work type
Hybrid
Location
Titusville, NJ
Salary
$117,000–$201,250 / yr
Employment
Full-time
Posted
3 days ago
Freshness
Confirmed live yesterday
Closes
Nov 21, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $183k
This role $159k
$104k $238k
below market most similar roles pay here above market

This role pays less than 71% of similar roles. Most pay $151,031–$214,500 — the blue band above. At the midpoint, this role pays about $159k versus about $183k for comparable roles.

Based on 240 similar postings.

Employer

About Johnson & Johnson

Johnson & Johnson is a multinational corporation operating in three main segments: consumer health products, pharmaceuticals, and medical devices, known for brands like Tylenol, Band-Aid, and Janssen. Industry: Pharmaceuticals & Medical Devices

Johnson & Johnson currently has 53 open roles on FindRole.

Listed pay typically runs $117,000–$201,250 across 41 roles with salary data.

Most-posted roles

View all roles at Johnson & Johnson

At a glance

TL;DR · Principal Data Scientist

The Principal Data Scientist – DDSAI GD joins the Innovative Medicine Data, Data Science, and AI - Global Development team to lead the end-to-end delivery of integrated analytical solutions for clinical-development and trial-operations business problems. This role involves owning solution definition, development, validation, and deployment of models to address study feasibility, enrollment forecasting, and protocol design. The successful candidate will build predictive models, simulations, and GenAI applications using Python, SQL, and modern ML libraries. Key responsibilities include applying real-world data from EHRs, claims, and registries to generate evidence on patient populations and treatment pathways. The position requires expertise in MLOps, NLP, and optimization to automate workflows and interpret clinical concepts while ensuring data privacy and responsible-AI standards across the pharmaceutical development lifecycle.

What does a Data Scientist earn?

Median $173200 from 345 postings across 65 companies.

See salary data

What you'll do

  • Own the end-to-end definition, development, validation, deployment, and adoption of integrated data-science solutions.
  • Lead predictive modeling, simulations, optimization, and GenAI applications for study feasibility and operational planning.
  • Apply clinical, operational, and real-world data to generate evidence on patient populations and treatment pathways.
  • Lead RWD analytics to inform protocol feasibility, eligibility criteria, and recruitment and retention strategies.
  • Develop LLM-enabled workflows for information extraction, data harmonization, and targeted workflow automation.
  • Partner with stakeholders to translate analytical outputs into adopted recommendations and measurable use-case outcomes.
  • Apply model-validation, MLOps, privacy, and responsible-AI standards while contributing reusable code and data assets.
  • Mentor junior colleagues and strengthen delivery practices across project teams.

What we're looking for

  • Master’s degree in computer science, engineering, biostatistics, health economics, biomedical informatics, applied mathematics, or another quantitative discipline.
  • At least 5 years of industry experience leading end-to-end delivery of data-science solutions using ML, predictive modeling, optimization, NLP, GenAI, or RWD analytics.
  • Demonstrated experience defining, validating, deploying, and driving adoption of analytical solutions for clinical-development, clinical-operations, or real-world evidence decisions.
  • Hands-on experience with structured and unstructured clinical, operational, or RWD data, including multimodal modeling and time-series or simulation methods.
  • Proficiency in Python and SQL, modern ML, optimization, and LLM-development libraries, and reproducible MLOps practices.
  • Strong communication, stakeholder-management, and technical-leadership skills.
  • Experience in healthcare, pharmaceutical development, MedTech, clinical development, or clinical operations (preferred).

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