30 engineer scientist jobs at 17 companies in Waterbury, CT
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Principal Engineer/Scientist - MA Licensed Site Professional
Wakefield or Boston or Braintree or Clifton Park or Manchester or Middletown or Portland or Springfield
$131k-$223k/yr HybridFull Time
15+ YOEBachelor's in engineering/geology/hydrogeology, active Massachusetts Licensed Site Professional (LSP), 15+ years environmental consulting experience in Massachusetts; PE/PG/CT LSP preferred; ability to lead teams, prepare investigation and remedial plans, and serve as LSP-of-record.
2mo
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Principal Engineer/Scientist - MA Licensed Site Professional
Wakefield or Boston or Braintree or Clifton Park or Manchester or Middletown or Portland or Springfield
$131k-$223k/yr HybridFull Time
15+ YOEMassachusetts Licensed Site Professional; 15+ years environmental consulting; BS in Engineering/Geology/Hydrogeology; Massachusetts market experience; active LSP certification.
1mo
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Staff Environmental Scientist/Engineer 1
Hartford or Wethersfield
$65k-$80k/yr FieldFull Time
0+ YOEBachelor's in environmental science/engineering, 0–5 years experience, ability to lift 50 lbs and perform fieldwork, travel ~80% with possible overnight stays; strong writing and communication; AutoCAD/Civil 3D/GIS familiarity preferred; OSHA 40-Hour HAZWOPER preferred.
AutoCAD, Civil 3D, GIS
1mo
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Sr. Scientist/Engineer, Process Development
Danbury, Connecticut, United States
OnsiteFull Time
4+ YOEAdvanced scientific background in chemistry/chemical engineering with 4+ years relevant process development or equivalent; experience in scale-up, unit operations, cGMP documentation, and cross-functional collaboration.
spray drying, wet nano-milling, tangential flow filtration, micro fluidization
1w
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Environmental Scientist, Geologist, Engineer or Hydrogeologist
New Haven, Connecticut, United States
FieldFull Time
1+ YOEBachelor's degree in environmental engineering, environmental science, hydrogeology, or geology; 1+ year experience; EIT or FE registration for engineers; driver's license; strong communication and analytical skills.
2mo
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Senior Lead Environmental Scientist
Shelton or Glastonbury
$109k-$145k/yr OnsiteFull Time
10+ YOEBachelor's degree in geology, hydrogeology or environmental engineering; CTDEEP Licensed Environmental Professional; 10+ years as CT environmental consultant; CTDEEP RSRs, RCRA, TSCA knowledge.
ESRI ArcGIS
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Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager
Boston or New Haven
OnsiteFull Time
6+ YOEBachelor's in environmental/chemical engineering or science, 6+ years multimedia permitting and compliance consulting experience, PE/FE or CHMM preferred, 40-hour HAZWOPER preferred, valid driver's license, strong communication and project management skills.
1mo
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Data Scientist
Hartford, Connecticut, United States
HybridFull Time
3+ YOE3+ years in data science/NLP, production LLM experience in cloud, prompt engineering and fine-tuning, NLP techniques, evaluation frameworks, error analysis, and proficiency in Python and SQL.
Python, SQL, Google Cloud Platform (GCP), LangChain, RAG, Shell Scripting
3w
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Data Scientist
Hartford, Connecticut, United States
HybridFull Time
2+ YOEBachelor's in statistics, CS, engineering, mathematics required; Master's preferred. 2+ years predictive analytics in insurance (or 4+ in other industries). Experience with Git, Python/R/SQL/Scala, cloud exposure, and production-ready code.
Git, Python, R, SQL, Scala, Azure, AWS, TensorFlow, Keras, PyTorch, Stan, PyMC3, Linux
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Sr Data Scientist
Stamford or Irving
$113k-$147k/yr HybridFull Time
6+ YOE6+ years in ML engineering and product development, 2+ years deploying LLMs, experience designing agents, proficiency in Python and deep learning frameworks, strong communication and leadership skills.
Python, PyTorch, TensorFlow, Hugging Face, LangChain, LangGraph, LlamaIndex, SQL, Oracle, MongoDB, Pinecone, Weaviate, Spark, AWS, Azure ML, Model Context Protocol (MCP)
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Sr Data Scientist
Stamford or Irving
$113k-$147k/yr HybridFull Time
6+ YOERequires 6–8 years of advanced ML engineering and enterprise product development, 2+ years deploying LLMs, 1+ year building agent systems, and a bachelor's degree; Python, AI frameworks, databases, and cloud experience required.
Python, PyTorch, TensorFlow, Hugging Face, LangChain, LangGraph, LlamaIndex, SQL, Oracle, MongoDB, Pinecone, Weaviate, Spark, AWS, Azure ML, Model Context Protocol (MCP)
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Research Scientist (Frequency Control)
Yorktown Heights, New York, United States
$150k-$220k/yr OnsiteFull Time
Master's in Engineering/Physics or related with proven research record; familiarity with Python, superconducting qubits, wafer probing, and cryogenic systems; ability to lead experiments and disseminate results.
Python, 200/300mm wafer probing stations, cryogenic dilution refrigeration systems
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Scientist III, Injectable Drug Product Development
New Haven, Connecticut, United States
OnsiteFull Time
5+ YOEPhD (5+ yrs) or MS/BS with extensive industry experience; demonstrated injectable biologic drug product development, formulation, process engineering, modeling, scale-up, technology transfer, hands-on biophysical/analytical lab work, and team leadership.
CFD, DoE, electronic lab notebook, JMP, Minitab, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, GraphPad, Visio, Adobe Pro, EndNote, DSC, nanoDSF, CD, fluorescence spectroscopy, SEC-MALS, DLS, AUC, CE-SDS, cIEF, rheology
2mo
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Geologist/Environmental Scientist
Brooklyn or New York City or Nassau County or Suffolk County or Buffalo or Rochester or Boston or Edison
$50k-$60k/yr FieldFull Time
1+ YOEBachelor's degree in environmental science, geology, engineering or related; 1-2 years' experience (entry-level considered); valid driver's license and car for field work; ability to perform field sampling, site investigations, contractor oversight, and report writing; OSHA HAZWOPER and Construction 30 HR preferred.
PID meter, Horiba, water pump
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Senior Data Scientist (Hybrid Schedule)
Berlin or Westwood or Manchester
$124k-$138k/yr HybridFull Time
5+ YOE5+ years related experience, BS in engineering/data science or related field (advanced degree preferred), experience with machine learning, cloud architecture and CI-CD, proficiency in R, Python and shell, knowledge of power systems and grid analytics.
R, Python, shell, CI-CD, SCADA, IED
5d
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Data Scientist Sr. Manager - Consumer Markets
New York City or Grand Rapids or Raleigh or Charlotte or Chicago or Jacksonville or Cincinnati or Cleveland or Dallas or Boston or St. Louis or Birmingham or Stamford or Tampa or Atlanta or Washington or Miami or Milwaukee or Minneapolis or Detroit or Nashville or Buffalo or Florham Park or Orlando or Philadelphia or Pittsburgh or Hartford or Houston
$91k-$322k/yr OnsiteFull Time
6+ YOERequires a high school diploma or equivalent and 6+ years of experience; preferred fields include data science, analytics, business, computer science, mathematics, engineering, finance, or related disciplines.
QlikView, Spotfire
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Research Scientist (USA - Stamford, CT, US)
Stamford, Connecticut, United States
$85k-$140k/yr OnsiteFull Time
2+ YOEB.S. in chemistry, polymer science/engineering or related field required; 2+ years relevant experience; polymer formulation/processing and additive knowledge; project leadership, data analysis, IP experience; laboratory instrumentation familiarity.
TGA/DSC, SEM, HPLC/GC, FTIR, UV-Vis, AI / Machine Learning tools
3mo
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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
2mo
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Research Scientist in AI/ML for Dynamics and Control (Hybrid)
East Hartford, Connecticut, United States
$87k-$165k/yr HybridFull Time
Ph.D. in Math/Physics/CS/Engineering, strong control fundamentals, experience with ML for control, control-oriented modeling, proficiency in MATLAB/Simulink, Python, PyTorch or TensorFlow, and U.S. citizenship required.
MATLAB/Simulink, Python, PyTorch, TensorFlow, Speedgoat, dSPACE, LabVIEW, NIDAQ, FPGA, C/C++, PX4, ArduPilot, ROS, ROS2, Gazebo, Large Language Models
2w
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Scientist III, Injectable Drug Product Development
New Haven, Connecticut, United States
OnsiteFull Time
5+ YOEPhD (or MS/BS with extensive experience) in relevant field with 5+ years industry experience; deep expertise in formulation, process engineering, scale-up, modeling, and hands-on laboratory biophysical/analytical work.
CFD, JMP, Minitab, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, GraphPad, Visio, Adobe Pro, EndNote, SEC-MALS, DSC, nanoDSF
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