73 principal scientist jobs at 26 companies in Islip, NY
3mo
Save
Mark Applied
Hide
Principal Data Scientist
Jersey City or Tampa
HybridFull Time
8+ YOEMinimum 8 years of related experience; Bachelor's degree (preferred) or equivalent experience.
Python, Snowflake, Machine Learning, Data Visualization, Governance
2mo
Save
Mark Applied
Hide
Principal/Senior - Data Scientist – New York City
New York City, New York, United States
HybridFull Time
Senior/Lead Data Scientist with 4+ years; Principal with 6+ years; strong MLOps, Python/SQL, domain expertise; ability to lead projects and mentor teammates.
Python, SQL, MLOps, Knowledge Graph
1mo
Save
Mark Applied
Hide
Principal Scientist – Data Insights & Hypothesis Design
Chicago or Redwood City or New York City or California or New York
$150k-$200k/yr HybridFull Time
6+ YOEPhD in NGS-related field,6+ years industry experience,domain expertise in oncology/neurology/immunology,large-scale clinico-genomic analysis,SQL/Python/R proficiency,and experience translating data into production products.
SQL, R, Python, Tempus Data Model (TDM)
3mo
Save
Mark Applied
Hide
Principal Scientist – Antibody Discovery/Protein Design
Branford, Connecticut, United States
OnsiteFull Time
5+ YOEPhD in biochemistry, computational biology, or structural biology with 5+ years antibody/biotherapeutic engineering experience; AI/ML protein design; antibody display tech; multispecific protein design; strong cross-functional collaboration.
AI/ML, Yeast display, Phage display, Antibody engineering, Biophysical characterization, Multispecific protein design
2d
Save
Mark Applied
Hide
Principal Scientist, Hearing Loss and Vestibular Disorders
Tarrytown, New York, United States
$129k-$210k/yr OnsiteFull Time
5+ YOEPh.D. with 5+ years of relevant experience, innovation and publication record, drug development expertise, rigorous research skills, and effective independent and cross-functional communication.
in vivo, in vitro
2mo
Save
Mark Applied
Hide
Principal Applied Scientist, Amazon Braket
Seattle or New York
$199k-$296k/yr OnsiteFull Time
5+ YOEPhD in a technical field, 5+ years relevant experience, track record of publications, experience with multiple programming languages, and experience leading scientists and developing junior talent.
C++, Java, Perl, Python
1mo
Save
Mark Applied
Hide
Principal Scientist- Search
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$212k-$394k/yr HybridFull Time
8+ YOEPhD and 8+ years building and deploying production AI systems; deep expertise in information retrieval, search, NLP, RAG, knowledge graphs, LLMs; strong product sense and leadership skills.
Python, PyTorch, Hugging Face, Azure ML, Azure AI Foundry, AWS SageMaker
2mo
Save
Mark Applied
Hide
Principal Scientist - Clinical and Scientist Affairs
Melville, New York, United States
$110k-$125k/yr OnsiteFull Time
5+ YOEPhD or PharmD preferred (alternatively BS with extensive experience). 5+ years industry experience in dermatology/skin care or claims support, clinical testing, clinical method development, strong communication and cross-functional project management skills.
1mo
Save
Mark Applied
Hide
Principal Data Scientist
United States or San Francisco or New York City
$143k-$275k/yr OnsiteFull Time
5+ YOEAdvanced degree in quantitative field with multi-year data science experience (minimum 5+ yrs), experience managing structured/unstructured data, model evaluation, data acquisition, and strong communication skills; U.S. citizenship verification required.
1d
Save
Mark Applied
Hide
Principal Data Scientist
San Francisco or New York City or Bellevue or Burbank
$228k-$423k/yr HybridFull Time
8+ YOEMaster's degree in a quantitative field required; PhD preferred. Requires 8+ years in machine learning, AI, or data science, recommender systems expertise, SQL, big data, and Python-based ML platforms.
SQL, AWS, Snowflake, Spark, Google Cloud, Python, TensorFlow, Keras, PyTorch
1w
Save
Mark Applied
Hide
Principal Measurement Scientist
Sydney or Auckland or New York City or London
$178k-$220k/yr HybridFull Time
10+ YOEAdvanced training in psychology, statistics, behavioral science, or similar; 10+ years in quantitative research or measurement science; expertise in survey methodology, measurement theory, psychometrics, and respondent psychology.
2w
Save
Mark Applied
Hide
Principal Data Scientist
New York, New York, United States
OnsiteFull Time
10+ YOE10+ years in data science or related quantitative field; expertise in statistical modeling, experimentation, causal inference, ML and modern AI (LLMs); expert SQL and strong programming in Python or R; experience with large datasets and BI tools.
large language models (LLMs), SQL, Python, R, Tableau, Databricks, Delta Lake, MLflow, Feature Store, Model Serving
2mo
Save
Mark Applied
Hide
Principal Scientist - Clinical and Scientist Affairs (24337)
Melville or Houston
OnsiteFull Time
No qualifications or responsibilities were provided in the job text.
3w
Save
Mark Applied
Hide
Principal Scientist, Formulation Development (DPDT)
Tarrytown, New York, United States
$129k-$210k/yr OnsiteFull Time
4+ YOEPhD or advanced degree with multi-year biopharma experience, expertise in formulation and bioconjugates, experience leading projects and mentoring staff, familiarity with regulatory guidelines and statistical software.
JMP, Electronic Laboratory Notebook (ELN), Scientific Data Management System (SDMS), LIMS, Electronic Document Management System (EDMS)
2w
Save
Mark Applied
Hide
(USA) Principal, Data Scientist
Hoboken, New Jersey, United States
$132k-$264k/yr OnsiteFull Time
Advanced expertise in machine learning, statistics, data architecture; Bachelor's/Master's/experience-based qualification paths; strong Python and SQL skills; leadership and model deployment experience.
Python, SQL, Spark, Scala, R, scikit learn, tensorflow, torch
1mo
Save
Mark Applied
Hide
(USA) Principal, Data Scientist
Sunnyvale or Hoboken or Bellevue
$143k-$286k/yr OnsiteFull Time
10+ YOE5+ MgmtBachelor's, master's, or doctoral degree in a quantitative field, or 7 years' analytics experience; 5+ years of technical leadership; strong ML, Python, data platforms, deployment, and communication skills.
Python, R, GCP, Azure, PySpark, Google Cloud Platform, Vertex AI, Kubeflow, Hadoop, Hive, MapReduce, HQL, Scala, GPU, CUDA, scikit-learn, TensorFlow, Torch, NLP, LLM, vector databases, WCAG 2.2 AA
2w
Save
Mark Applied
Hide
Principal Research Scientist - Risk
New York City, New York, United States
$180k-$220k/yr HybridFull Time
PhD-level researcher with experience leading research, probabilistic modeling, uncertainty quantification, decision modeling, and building technical teams for infrastructure risk and resilience.
4d
Save
Mark Applied
Hide
Senior/Principal Scientist, Radiochemistry
New York City, New York, United States
OnsiteFull Time
8+ YOEPh.D. in chemistry, radiochemistry, nuclear chemistry, or related field; 8–10+ years developing radiotherapies or imaging agents; expertise in chelation, bioconjugation, radiolabeling, imaging, instrumentation, and regulatory submissions.
radio-HPLC, radio-TLC, gamma spectrometry, size-exclusion HPLC, LC-MS, PET, SPECT, DOTA, Ac-225, Lu-177, Zr-89, In-111, Cu-64, Ga-68, IND, IMPD, CRO
6d
Save
Mark Applied
Hide
Senior Principal/ Principal Scientist, Computational Safety
Ridgefield, Connecticut, United States
$140k-$269k/yr OnsiteFull Time
7+ YOEPh.D. in a relevant computational or molecular field, 7+ years postdoctoral or industry experience, and at least 3 years in safety risk assessment; expertise in computational toxicology, AI/ML, and multi-omics.
AI/ML, multi-omics, Adverse Outcome Pathways, foundation models
2w
Save
Mark Applied
Hide
Principal AI Scientist (Polytope Bio)
New York City or San Francisco
$250k-$350k/yr OnsiteFull Time
2+ YOEPhD or equivalent in ML/computational biology preferred; 2+ years post-PhD industry research experience; experience training models from scratch, reinforcement learning, transformers/diffusion models, and building training infrastructure.
Explore Jobs