76 senior scientist jobs at 49 companies in Fraser, 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 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.
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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
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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
4w
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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
3mo
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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
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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.
2w
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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
3w
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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 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
5d
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Senior Data Scientist (Brazil)
Brazil or Austin or Atlanta or Miami or Denver or Arizona or Colorado or Florida or Georgia or Hawaii or Mississippi or Missouri or North Carolina or New Hampshire or Nevada or New York or Oklahoma or South Dakota or Tennessee or Texas or Utah or Washington or Wyoming or Canada
$6k-$7k/mo RemoteFull Time
4+ YOERequires 4–7+ years in data science or analytics, advanced SQL and Python or R, and expertise in statistical modeling, machine learning, experimentation, forecasting, or optimization. Marketplace experience is valued.
SQL, Python, R, LLMs, NLP, Mac, PC
1w
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Senior Environmental Scientist / Geologist
Wheat Ridge or Denver
$95k-$125k/yr OnsiteFull Time
8+ YOERequires 8+ years in environmental consulting, engineering, remediation, or oil and gas; relevant technical degree; environmental investigation expertise; leadership, technical writing, Microsoft Word and Excel proficiency, and a valid driver's license.
Microsoft Word, Microsoft Excel, Corrective Action Plans (CAPs), Health Savings Account (HSA), Flexible Spending Account (FSA), Employee Assistance Program (EAP)
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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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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
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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
3d
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Senior Data Scientist, PV Performance & Diagnostics
Broomfield, Colorado, United States
$114k-$171k/yr OnsiteFull Time
5+ YOE5+ years in data science or related quantitative fields, or 3+ with a relevant PhD; bachelor's degree or equivalent; solar PV modeling, Python, statistics, machine learning, SQL, and production model experience required.
PowerTrack, pvlib, Python, pandas, NumPy, scikit-learn, SQL, Git, Cursor, Claude Code, OpenAI Codex, C#/.NET, AWS, Azure, GCP, Docker, REST APIs, PostgreSQL, Timescale, Redis
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Staff Scientist-Clocks
Louisville, Colorado, United States
$153k-$269k/yr OnsiteFull Time
10+ YOE10+ years experience, Master’s in AMO Physics or Physics required; lead research in time and frequency systems, characterize performance, translate experimental results into product and system requirements.
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CPAESS Scientist IV
Boulder or College Park or United States
$99k-$129k/yr HybridTemporary
2+ YOERequires a bachelor's degree plus 10 years, master's plus 6 years, or PhD plus 2 years in a scientific discipline. Advanced modeling, data assimilation, data analysis, programming, communication, and project leadership skills required.
JEDI, Global Forecasting System (GFS), Microsoft Excel
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PV Scientist
Boulder, Colorado, United States
$135k-$175k/yr HybridFull Time
7+ YOEHealthcare professional or advanced degree required, 7+ years in drug safety/pharmacovigilance, experience with signal detection, aggregate safety reports (DSUR/PBRER), MedDRA coding, safety databases, and medical/scientific writing.
MedDRA, Microsoft Office Suite, safety database
2mo
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Research Scientist
Hampton or Greenbelt or Huntsville or Dallas or Houston or Denver or Mountain View or Edwards Air Force Base
$90k-$125k/yr OnsiteFull Time
5+ YOEBachelor's in Physics/Atmospheric Science, 5+ years with satellite/airborne/ground atmospheric datasets, expertise in atmospheric processes, scientific programming (Python/MATLAB/IDL), data/time-series analysis, and strong communication skills.
Python, MATLAB, IDL, LaTeX, Microsoft Word, NetCDF, HDF
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