117 senior scientist jobs at 58 companies in Frederick, CO
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Senior Staff Data Scientist
New York or Chicago or Denver
$216k-$250k/yr HybridFull Time
8+ YOE8+ years in data science with MS or 6+ years with PhD; expertise in causal inference, experimentation; proficient in Python and SQL; production ML experience; mentoring data scientists.
Python, SQL, Data Visualization, Object-Oriented Programming, Machine Learning
2w
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Senior Wetland Scientist
Boulder, Colorado, United States
$90k-$120k/yr RemoteFull Time
5+ YOEMaster's or PhD (or equivalent), ~5+ years relevant experience, large-area wetland mapping, cloud-native geospatial workflows, wetland/ecological modeling, proficiency in Python or R, strong communication and reproducible coding practices.
Python, R, Dask, Google Earth Engine, LiDAR
1mo
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Senior Environmental Scientist
Rosemont or Houston or Farmington Hills or St. Paul or Golden
$83k-$139k/yr HybridFull Time
6+ YOEBachelor's degree in environmental science, geology or engineering; 6+ years relevant experience; supervisory experience; professional certification (EIT, PE, PG, CHMM) a plus; valid driver’s license and willingness to travel with overnight stays.
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Senior Research Scientist
Fort Collins or Broomfield
$165k-$218k/yr OnsiteFull Time
MS or PhD in applied/computational math, EE, CS, controls/dynamics, aerospace, statistics, or related field; strong academic record; effective communication; eligible for US Top Secret SCI clearance.
Mathematical Modeling, High-Performance Computing, Machine Learning, Control Theory, Numerical Optimization, C++, Python
5d
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Data Scientist, Senior
Aurora, Colorado, United States
$99k-$225k/yr OnsiteFull Time, Part Time
8+ YOERequires TS/SCI clearance, 8+ years correlating technical findings, 5+ years building analytics and AI/ML models, and a bachelor's degree with 8+ years relevant experience or 12+ years without a degree.
IoT, R, Python, SQL, NoSQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2
6d
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Data Scientist, Senior
Aurora, Colorado, United States
$99k-$225k/yr OnsiteFull Time
8+ YOE8+ years technical experience and 5+ years advanced analytics and AI/ML modeling experience. Requires bachelor's degree or 12+ years' experience, TS/SCI clearance, classified-network experience, and data science expertise.
R, Python, SQL, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2, Artificial Intelligence (AI), Machine Learning (ML), Large Language Models (LLMs)
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Senior Data Scientist
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
8+ YOEBachelor's in related field,8+ years data science experience,expert Python or R,SQL proficiency,production ML deployment experience,and TS/SCI clearance with polygraph willingness.
Python, R, SQL
2d
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Senior Quantum Scientist
Boulder or College Park or California or Massachusetts or Tennessee or Washington or Italy or Korea or Sweden or Switzerland or Canada or United Kingdom
$127k-$182k/yr HybridFull Time
PhD in physics or related discipline; experimental AMO or quantum computing expertise; quantum control, qubit calibration or benchmarking experience; strong programming, data analysis, and scientific communication skills.
5d
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Senior Data Scientist
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States or Los Angeles
$80k-$294k/yr HybridFull Time
6+ YOERequires 6+ years in data science, AI, analytics, Responsible AI, consulting, governance, or related fields; quantitative bachelor's or master's degree; Python, SQL, ML, AI governance, and client leadership expertise.
Python, pandas, NumPy, scikit-learn, PyTorch, TensorFlow, XGBoost, SQL, AWS, Microsoft Azure, Google Cloud, MLOps, GenAIOps, LLMOps, APIs, Microsoft Word
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Senior Data Scientist
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
8+ YOETS/SCI clearance with polygraph, Bachelor or equivalent, 8+ years experience, expert Python/R and SQL, ML production experience, data visualization, and geospatial experience preferred.
Python, R, SQL
6d
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Senior Data Scientist
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$87k-$294k/yr HybridFull Time
6+ YOE6+ years in data science, AI, analytics, Responsible AI, or consulting; bachelor's or master's in a quantitative field; Python, SQL, machine learning, generative AI, governance, and client leadership experience.
Python, pandas, NumPy, scikit-learn, PyTorch, TensorFlow, XGBoost, SQL, MLOps, GenAIOps, LLMOps, AWS, Microsoft Azure, Google Cloud
2mo
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Senior Photonics Scientist - 849
Broomfield, Colorado, United States
$164k-$205k/yr OnsiteFull Time
8+ YOEBachelor’s degree; 8+ years in experimental freespace optics or integrated photonics; U.S. person per contract; U.S. citizen/permanent resident/green card holder; nationals of PRC or Russia not allowed unless US citizen.
MATLAB, Python, Lumerical, COMSOL, RCWA, FDTD, FEM, RSoft, Origin, Igor
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Senior/Staff Data Scientist
Boulder or New York City
$155k-$200k/yr OnsiteFull Time
Experience deploying autonomous agents and applied machine learning systems, with Python, SQL, cloud data ecosystems, AI/ML frameworks, distributed computing, experimentation, and statistical modeling expertise.
Python, SQL, Pandas, Scikit-Learn, PyTorch, TensorFlow, LangChain, Hugging Face, PydanticAI, Spark, PySpark, Databricks, AWS Cloud, Scrum, Kanban
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Senior Data Scientist
Redmond or Mountain View or New York or Boulder
$120k-$235k/yr HybridFull Time
1+ YOEDoctorate+1yr or Master's+3yrs or Bachelor's+5yrs in related fields; experience with LLMs, Python, classifier training, evaluation methods, and user-centered research collaboration.
Python, Copilot, LLM
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Senior Lab Systems Scientist
Boulder, Colorado, United States
OnsiteFull Time
8+ YOEAdvanced degree in molecular biology/engineering or equivalent, 8+ years lab experience with NGS and assay/automation development, validation expertise, Lean Six Sigma preferred, strong data analysis and communication skills.
NGS, agile-scrum
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Senior Data Scientist Engineer
Aurora, Colorado, United States
$194k-$262k/yr OnsiteFull Time
10+ YOEBachelor's in a quantitative field, 10+ years designing, training, and deploying production ML models, active TS/SCI with Full Scope Polygraph, proficiency with Python and ML tooling, experience leading complex AI/ML efforts.
Python, TensorFlow, PyTorch, Scikit-learn, XGBoost, Spark, Ray, Dask, MLflow, DVC, Docker, Git, Jupyter Notebooks, Confluence, SHAP, LIME
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Senior Environmental Scientist, Air Quality
Denver, Colorado, United States
$110k-$130k/yr OnsiteFull Time
9+ YOEBachelor's degree,9+ years air quality permitting and compliance experience, proficiency with Microsoft Excel and emissions modeling, strong technical writing and communication, valid driver’s license.
Microsoft Excel
2w
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Senior Data Scientist, Growth Marketing
San Francisco or Washington or New York City or Detroit or Phoenix or Miami or Denver
$180k-$235k/yr OnsiteFull Time
6+ YOE6+ years data science experience, proficiency in SQL and a scripting language, statistical modeling, experimentation design, and building production-grade ML tooling for marketing and product use.
SQL
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Principal Scientist
Thornton, Colorado, United States
$130k-$170k/yr OnsiteFull Time
10+ YOEPh.D. in a related field, 10+ years industry/applied research experience in semiconductor technologies, deep expertise in vacuum systems and thin-film deposition (ALD, CVD), R&D program leadership, project management, and hands-on cleanroom laboratory practice.
ALDx, ALD, CVD, vacuum systems, TEPHRA, PPE, OSHA
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Senior Data Scientist Engineer (TS/SCI with CI Polygraph)
Aurora, Colorado, United States
OnsiteFull Time
10+ YOE10-15 years designing, training, and deploying ML models for DoD/IC; lead technical teams or enterprise AI initiatives.
TensorFlow, PyTorch, Scikit-learn, XGBoost, Spark, Ray, Dask, MLflow, Docker, SHAP, LIME, Jupyter Notebooks, Git, Confluence
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