6 applied scientist jobs at 4 companies in Slatington, PA

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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
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
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Image Scientist / Physicist
Chesterbrook, Pennsylvania, United States
OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
5+ YOEAbility to obtain TS/SCI w/ Poly; degree in image science/optics/applied physics/math/engineering with significant relevant experience; experience with EO remote sensing, image/digital signal processing, and developing code in Python, MATLAB, or ENVI/IDL; strong communication skills.
ENVI/IDL, MATLAB, Python, MODTRAN, XML, NITF, JPEG, AI/ML
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
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Sr. Scientist - Analysis and Reporting Standards, Innovation (Hybrid)
North Wales or Rahway
$117k-$184k/yr HybridFull Time
Merck & Co.
Merck & Co.NYSE: MRK: Produces prescription medicines, vaccines, and animal health products.
3+ YOEDegree in computer science, statistics, applied math, life sciences, engineering or related plus 3–5 years clinical trial statistical programming; expertise in CDISC SDTM/ADaM, clinical trial programming, analysis/reporting standards, and stakeholder collaboration.
R, Python, SAS, Claude Code, CDISC SDTM, ADaM, AI/GenAI