26 ai scientist jobs at 13 companies in Lancaster, 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+ 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
3w
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AI & Data Scientist
Wilmington, Delaware, United States
OnsiteFull Time
International Flavors & Fragrances
International Flavors & FragrancesNYSE: IFF: Develops flavors, fragrances, and specialty ingredients for consumer products.
5+ YOEBachelor's in a related field,5+ years in data science/data engineering,database and data architecture expertise,advanced Python and SQL skills,experience with LIMS,SAP and Microsoft SharePoint,AI/ML and generative AI experience.
LIMS, SAP, Microsoft SharePoint, Microsoft 365, Python, SQL, Microsoft Copilot
2mo
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Senior AI Scientist
Malvern or Philadelphia
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
5+ YOE5+ years data science experience with statistical and ML methods; experience with LLMs, knowledge graphs, and generative AI; proficiency in Python, ML frameworks, cloud (AWS); strong stakeholder management and communication.
Python, TensorFlow, PyTorch, Scikit-learn, AWS, Large language models, Knowledge graph, Generative AI
9h
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Assoc Data Scientist, AI
Chicago or Baltimore or Kennett Square or De Pere or Houston
$76k-$84k/yr HybridFull Time
Constellation Energy
Constellation EnergyNASDAQ: CEG: Produces carbon-free electricity and supplies energy to customers.
Bachelor's degree in a quantitative or technical field, relevant data science or analytics experience, Python and data analysis library experience, machine learning fundamentals, data preparation skills, and software development knowledge.
Microsoft Azure AI, Microsoft Azure OpenAI, Databricks, Python, SQL, PySpark, Scikit-learn, Pandas, NumPy, R, SAS, Stata, SPSS
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Data Scientist
Aberdeen, Maryland, United States
$125k-$165k/yr OnsiteFull Time
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
10+ YOEU.S. citizen with ability to obtain DoD Secret clearance, 10+ years modeling and simulation experience, proficiency in Python and C++, experience with data analytics/AI/ML, strong problem solving and communication.
Python, C++, AI/ML
3w
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Senior Computer Scientist/Engineer (AI w/ TAK)
Aberdeen, Maryland, United States
$125k-$225k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
6+ YOEMaster's in a technical discipline with 6+ years (or 10 years experience) and Top Secret clearance; expertise in software development, AI/ML, TAK integration, modern programming, and technical leadership.
Python, C++, Java, ATAK, WinTAK, TAK, Docker, Kubernetes, Git, CI/CD
1w
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Product Data Scientist
Wilmington, Delaware, United States
$85k-$100k/yr HybridFull Time
Best Egg
Best Egg: Provides personal loans and credit cards for prime borrowers.
3+ YOEBachelor’s degree in a quantitative field, 3+ years analyzing data and delivering insights, 1+ year AI development and deployment experience, and strong Python and SQL skills.
SQL, Python, Artificial Intelligence (AI), Machine Learning (ML)
2w
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Senior Scientist, Neuroscience Discovery
Spring House, Pennsylvania, United States
OnsiteFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
PhD in neuroscience or related biological research discipline, with expertise in cell and molecular biology, iPSC modeling, human cell models, biochemical assays, cell imaging, and neuroscience research publications.
iPSC, AI, machine learning, high-throughput assays, cell imaging, proteomics, transcriptomics
1mo
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Lead Data Scientist
Columbus or Chadds Ford or Frisco or Draper or New York City
$121k-$218k/yr HybridFull Time
Bread Financial
Bread FinancialNYSE: BFH: Provides personalized credit cards, lending, and savings products.
8+ YOEBachelor’s in quantitative field,8+ years building advanced models (ML,segmentation,time series),EML/AI research experience preferred,experience in financial services and Conjoint Analysis,US work authorization required.
Data Manipulation, Machine Learning, Python (Programming Language), R Statistics, Statistical Analysis, Statistics, Time Series Analysis, Cloud Environment, Conjoint Analysis, Agentic AI
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Data Scientist & 365 Developer
Edgewood or Belcamp
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years data exploration/cleaning/analysis, experience with statistical programming, Army Vantage and mission datasets, ML/NLP/AI experience, ability to obtain Secret clearance, and a Bachelor’s degree.
Vantage, SharePoint, Qlik, Power Apps, R, Python, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2
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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
1mo
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Senior Data Scientist Vice President
San Antonio or Jacksonville or Tampa or Irving or New Castle
$114k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: A global financial services providing banking and credit services.
5+ YOEBachelor’s degree in a quantitative field and 5+ years in data analysis, mining, or statistics. Requires Python, SQL, Teradata, RDBMS, Hadoop/Hive, SAS, AI/ML, predictive modeling, and Tableau experience.
Python, SQL, Teradata, RDBMS, Hadoop, Hive, SAS, TensorFlow, PyTorch, Scikit-learn, Tableau
1mo
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Senior Data Scientist Vice President
San Antonio or Jacksonville or Irving or New Castle or Tampa
$114k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
5+ YOEBachelor's in a quantitative field, 5+ years relevant experience, strong Python/SQL skills, experience with Teradata/Hadoop/Hive/SAS, ML/AI frameworks (TensorFlow, PyTorch, Scikit-learn), LLM knowledge, fraud/cybersecurity experience, and Tableau for visualization.
Python, SQL, Teradata, RDBMS, Hadoop, Hive, SAS, TensorFlow, PyTorch, Scikit-learn, LLM, Tableau
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Data Scientist & 365 Developer
Edgewood, Maryland, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years data exploration/analysis and programming experience; experience with Army Vantage, structured/unstructured data, predictive modeling, ML/AI/NLP/LLMs; ability to obtain Secret clearance; Bachelor’s degree required.
Vantage, Microsoft SharePoint, Qlik, Microsoft Power Apps, R, Python, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2, LLMs
3mo
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Data Scientist (Card Data & Analytics Strategy)-Executive Director
Wilmington or New York
$204k-$285k/yr HybridFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
10+ YOE4+ MgmtMaster’s/PhD in quantitative field; 10+ years analytics; senior leadership; hands-on AI/ML; Python/R; stakeholder mgmt; financial services experience
Python, R, Snowflake, Databricks
3w
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Software Engineer II, Data Scientist
Oaks, Pennsylvania, United States
HybridFull Time
SEI
SEINASDAQ: SEIC: Provides technology and investment solutions for financial services institutions.
3+ YOE3+ years Python development; experience building and deploying LLM-powered applications; knowledge of RAG, vector databases, embeddings, semantic search, agentic frameworks, prompt engineering, AI governance; bachelor's in CS or equivalent preferred.
Python, LangChain, LangGraph, Semantic Kernel, LlamaIndex, AutoGen, CrewAI, OpenAI, Azure AI Foundry, Anthropic, Azure, AWS