4,636 junior scientist jobs at 1,270 companies in United States
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Junior Coatings Scientist PECVD / DLC
Tucson, Arizona, United States
OnsiteFull Time
Junior scientist wanted; degree in materials science, chemical engineering, physics, or mechanical engineering; hands-on lab and vacuum system experience; strong data and documentation habits.
PECVD, Diamond-Like Carbon, PVD, CVD, vacuum systems, gas delivery, MFC, plasma diagnostics
1w
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Data Scientist, Junior
San Antonio, Texas, United States
$62k-$141k/yr OnsiteFull Time, Part Time
Bachelor's degree and TS/SCI clearance required. Experience with data exploration, analysis, visualization, programming, machine learning, and predictive modeling; junior applicants may use R, Python, or SQL/NoSQL.
IoT, R, Python, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2, Microsoft Excel
2w
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Scientist/Sr. Scientist, Protein Purification
Cambridge, Massachusetts, United States
$125k-$170k/yr OnsiteFull Time
2+ YOEPhD preferred, or BS/MS with significant industry experience; 2+ years of protein purification experience for Scientist or 4+ years for Senior Scientist; expertise in protein and peptide purification and analytical characterization.
SEC, IEX, RP-HPLC, CE, mass spectrometry, cryo-EM, X-ray crystallography, flow cytometry, AKTA pure, AKTA avant, DLS, MALS, SPR, BLI, DSF, AI/ML
1w
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Junior Environmental Scientist
Kemah, Texas, United States
$39k-$45k/yr FieldFull Time
1+ YOEBachelor's degree in a related science or 1–3 years related experience, driver's license, English communication, computer skills, HAZWOPER, ability to obtain DISA/TWIC clearances and passport, and frequent travel readiness.
Windows, PPE, SCBA, APR
2mo
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Junior Data Scientist
Potomac, Maryland, United States
OnsiteFull Time
1+ YOEU.S. citizen with active TS/SCI and polygraph, 1+ years experience in statistics/operations research/advanced mathematics, experience with R or Python, and ability to apply scientific methods to qualitative and quantitative analyses.
R, Python
1w
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Data Scientist, Junior
San Antonio, Texas, United States
$62k-$141k/yr OnsiteFull Time
Experience in data exploration, cleaning, analysis, visualization, or mining; statistical programming; machine learning, AI, or NLP; predictive modeling; TS/SCI clearance; and a bachelor's degree.
Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser, R, Python, SQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2
1mo
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Junior Research Scientist
New York City, New York, United States
$62k-$70k/yr OnsiteFull Time
Bachelor's in public health/epidemiology/biostatistics/data science (Master's preferred); quantitative research experience with large administrative datasets; proficiency in R and SQL; strong communication and problem-solving skills.
SQL, R, Python, STATA, Microsoft Excel, SAS
2w
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Junior Computer Scientist
Atlantic City or Egg Harbor
$45k-$55k/yr HybridFull Time
2+ YOEBachelor's degree in Computer Science, 2+ years of software and systems testing experience, test case development, execution, defect tracking, AMMS experience, and strong analytical and communication skills.
FAA Automated Maintenance Management System (AMMS), iOS, macOS, iPad, iPhone, Mac mini
1mo
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Junior Computer Scientist
Atlantic City or Egg Harbor Township
$45k-$55k/yr HybridFull Time
2+ YOEBachelor's in Computer Science, 2+ years software/systems testing experience (aviation preferred), experience with FAA AMMS and Apple iOS/macOS testing, test case development and defect tracking, strong analytical and communication skills, ability to obtain Public Trust (US citizenship).
AMMS, iOS, macOS
1mo
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Junior Data Scientist
Arlington, Virginia, United States
OnsiteFull Time
2+ YOE2+ years experience with Python/R/SQL, machine learning and NLP experience, ability to prepare and analyze structured and unstructured data, data visualization, Agile teamwork; active Secret clearance required.
Python, R, SQL
1w
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Junior Data Scientist
United States
$75k-$85k/yr RemoteFull Time
0+ YOEBachelor’s or master’s degree in a quantitative field required; no prior experience required. Proficiency in Python, SQL, machine learning, data visualization, and dashboard development; familiarity with cloud and data pipeline tools.
Python, SQL, scikit-learn, XGBoost, LightGBM, AWS, Azure, GCP, Airflow, dbt, Tableau, Power BI
1mo
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Junior Data Scientist
Reston, Virginia, United States
$80k-$121k/yr OnsiteFull Time
3+ YOEBachelor's in related field (or substitution), minimum 3 years relevant experience, TS/SCI clearance ability, experience with data cleaning, visualization, and AI/ML for unstructured data.
Tableau, Power BI
5d
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Data Scientist (Junior)
Arlington, Virginia, United States
$85k/yr OnsiteFull Time
3+ YOEBachelor’s degree and 3+ years relevant experience required. Requires Python, multi-source data integration, foundational machine learning and statistics, stakeholder collaboration, U.S. citizenship, and CONUS/OCONUS travel availability.
Python, Pandas, Polars, Scikit-Learn, Databricks, Power BI, SQL, Database Management System (DBMS), PBIS, DAI, Advana, Workspace Data Platform (WDP), LFS Apps COLS Application, COLS, APIs
2w
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Scientist/Sr. Scientist, Molecular Biology
Cambridge, Massachusetts, United States
OnsiteFull Time
2+ YOEPhD preferred or BS/MS with extensive industry experience; 2+ years relevant post-degree experience, or 4+ for Senior Scientist, in vector design, molecular cloning, and cell line engineering.
Golden Gate, Gibson assembly, CRISPR-Cas9, Microsoft?
1mo
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Physicist/Scientist III (E3)
Benicia, California, United States
$120k-$165k/yr OnsiteFull Time
Expertise in physics to develop inspection and metrology systems, design experiments, analyze data, troubleshoot systems, and guide junior scientists.
2w
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LKF - Junior Environmental Scientist
United States
$26-$31/hr FieldFull Time, Temporary
1+ YOEBachelor's degree in natural science, U.S. citizenship, 40-hour HAZWOPER, driver's license, and 1+ year sampling experience. Requires frequent overnight field travel and environmental sampling expertise.
direct push, rotary, sonic, submersible pumps, bladder pumps, peristaltic pumps
1w
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Data Scientist Associate - Data Scientist Sr.
Fort Wayne, Indiana, United States
$75k-$129k/yr OnsiteFull Time
0+ YOEBachelor's degree in a specified technical field required. Experience varies by level: none for Associate, 2 years for Data Scientist, or 5 years for Senior Data Scientist.
SQL, R, Python, Microsoft Excel, Hadoop, Tableau, SAS, SPSS
2w
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Data Scientist (150457)
United States
OnsiteFull Time
Develop and deploy machine learning, predictive analytics, and AI solutions; optimize algorithms; explore complex datasets; collaborate cross-functionally; ensure data governance; mentor junior data scientists.
Machine Learning, Predictive Analytics, Artificial Intelligence (AI), Data Processing, Feature Engineering, Pattern Recognition, Data Mining, Data Visualization, Deep Learning, Big Data Technologies, Statistical Techniques
2w
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Applied Scientist II
New York City, New York, United States
$158k-$190k/yr HybridFull Time
2+ YOE2+ years as an applied scientist, machine learning engineer, research scientist, or equivalent advanced degree; strong applied problem-solving, metrics, modeling, optimization, communication, and judgment skills.
Python, SQL, AWS, Snowflake, pandas, XGBoost, PyTorch, HuggingFace, LLM tooling, evaluation frameworks
1mo
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Sr Scientist, Discovery Sciences and Technologies
Foster City, California, United States
$169k-$219k/yr OnsiteFull Time
2+ YOEPhD in a related discipline,2+ years post-PhD experience in LNP/mRNA formulation and characterization,expertise in LNP techniques,ability to lead projects and mentor junior scientists.
microfluidic or scalable mixing platforms, DLS, PDI, LC-based lipid/RNA analysis, tangential-flow filtration (TFF)
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