8 applied data scientist jobs at 5 companies in Ephrata, PA

3mo
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Senior Data Scientist
Wilmington, Delaware, United States
OnsiteFull Time
Qnity Electronics
Qnity ElectronicsNYSE: Q: Manufactures materials and solutions for the semiconductor industry.
5+ YOEPhD in Chemical Engineering or Material Science; or MA with 5+ industrial experience;Proficiency in R or Python; SQL knowledge; 5+ years applying statistics/data science; ML techniques; strong communication.
Python, R, SQL, XGBoost, Random Forest, Lasso
2w
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Principal Scientist, Data Science
Titusville or Cambridge or Raritan or Spring House
$117k-$201k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
5+ YOEPhD in a quantitative discipline,5+ years applying ML/NLP/GenAI and optimization to real-world data (EHR/claims/registries),experience with multimodal RWD,stochastic simulation,optimization engines,Python and SQL proficiency,MLOps and data privacy familiarity.
MLflow, Kedro, Git, CI/CD, Python, SQL, DSPy, LangChain, pymoo, scikit learn, XGBoost, Optuna, PyMC
1mo
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Data Scientist, Analytics and Modelling
New York City or Wilmington
$170k-$180k/yr OnsiteFull Time
Barclays
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Experience designing data products, building cloud-native data pipelines, applying statistical and ML models, and ensuring data governance; proficiency with SQL, Python, PySpark, Pandas, and AWS services.
SQL, Python, PySpark, Pandas, S3, Glue, Redshift, AWS Lambda, Jira, Confluence, TSYS
2w
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Principal Scientist, Data Science
Titusville or Cambridge or Raritan or Spring House
$117k-$201k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Develops and manufactures pharmaceutical drugs and medical devices.
5+ YOEPhD in quantitative discipline,5+ years applying ML/NLP/GenAI and optimization to real-world data (EHR, claims, registries),hands-on Python/SQL and MLOps experience,knowledge of healthcare privacy and RWD quality practices.
MLflow, Kedro, Git, CI/CD, Python, SQL, DSPy, LangChain, pymoo, scikit learn, XGBoost, Optuna, PyMC
2mo
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Senior AI/ML Scientist
Charlotte or Dallas or Malvern or Philadelphia
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
5+ YOEFive+ years in analytical roles; data wrangling; statistical and ML methods; degree in Analytics, Applied Mathematics, Economics, Statistics or related field; graduate degree preferred.
Python, SQL, Machine Learning, Statistical Modeling
1mo
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Senior AI Scientist
Dallas or Charlotte or Malvern or Plano
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
5+ YOE5+ years in data science, applied ML research, or AI evaluation; Python, LLMs, agentic AI, statistical methods, experimental design, and ML libraries required. Bachelor's in a quantitative field required.
Python, PyTorch, Hugging Face, Scikit-learn
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Senior AI Scientist
Dallas or Charlotte or Malvern or Plano
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
5+ YOERequires 5+ years in data science, applied ML research, or AI evaluation; Python, LLMs, agentic AI, adversarial AI, statistics, experimental design, and quantitative research skills; bachelor's degree required.
Python, PyTorch, Hugging Face, Scikit-learn
1w
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Environmental Scientist V - Air Quality Modeling
New Castle or Dover
$74k/yr HybridFull Time
State of Delaware
State of Delaware: The executive government branch of the State of Delaware.
5+ YOEMaster's in life/physical/applied science, recognized scientific publications, 3 years project management, 5 years data analysis and regulatory interpretation, valid driver's license, legal authorization to work in the U.S.