45 research engineer jobs at 31 companies in Mastic, NY
2d
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Quantitative Research Engineer – PhD Intern (US)
New York City or Miami or Greenwich or Houston
$5k-$6k/wk OnsiteInternship
PhD in computer science, mathematics, statistics, physics, or another quantitative field; programming proficiency in C++, Python, or R; software development experience and strong communication skills.
C++, Python, R
3w
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Associate Director, Research Analyst
Stamford or United States
$129k-$150k/yr RemoteFull Time
3+ YOEMaster's in finance/math or equivalent; 3+ years building optimization engines, ML pipelines and data tools; experience with GPT/BERT, boosted trees, PCA and Python; strong communication and cross-team collaboration.
Generative Pre-trained Transformer (GPT), Bi-directional Encoder Representation from Transformers (BERT), Python
1mo
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Director, Research & Development
Fairfield, Connecticut, United States
OnsiteFull Time
10+ YOEBachelor's in food science/engineering required (advanced degree preferred); 10+ years product development in CPG with manufacturing and co-packer experience; team leadership and scale-up expertise; experience in tea/coffee preferred.
1mo
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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
2mo
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Postdoctoral Research Associate - Artificial Photosynthesis
Upton, New York, United States
$82k-$85k/yr OnsiteFull Time
PhD in chemistry/materials/chemical engineering or related field; synthetic skills in organic/inorganic/organometallic chemistry; experience in catalytic reactions and relevant instrumentation; publication record and teamwork skills.
pulse radiolysis, UV/Vis transient absorption (TA), Time-resolved infrared (TRIR), single-crystal X-ray crystallography, Electrochemical techniques, gas diffusion electrodes, XAS, XPS, XRD, RIXS
2mo
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CES Principal Hardware Engineer
Greenlawn, New York, United States
$129k-$219k/yr OnsiteFull Time
8+ YOE8+ years with analog, processor and high-speed digital circuit card assemblies; manufacturing and production data analytics experience; ability to research electrical engineering problems; strong problem-solving, communication, and leadership; able to obtain/hold Secret clearance.
Digital transceiver, Ethernet, 1553, Serial Communications, Built in Test, embedded systems
1w
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Manufacturing Engineer I
Trumbull, Connecticut, United States
OnsiteFull Time
0+ YOEBachelor's in engineering, 0-5 years manufacturing engineering experience in medical device/pharma, knowledge of manufacturing processes, Lean Six Sigma awareness, Minitab, Microsoft Excel/Word/PowerPoint/Visio, ISO 13485/FDA QSR/EU MDR/GMP familiarity, project management and communication skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Minitab
5d
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Research & Portfolio Management Engineering - Associate
Greenwich, Connecticut, United States
$140k-$160k/yr OnsiteFull Time
3+ YOEBachelor's or master's in a technical field, 3–5 years of software engineering experience, Python, Linux, AWS, distributed systems, large-scale data processing, SQL, and native AI application experience.
Python, C++, Linux, AWS, SQL, Large Language Models (LLMs)
3mo
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Machine Learning Engineer
London or New York or Rowayton
$175k-$250k/yr OnsiteFull Time
3+ YOE3+ years in ML/statistics on large unstructured data; degree in CS/Engineering/Operations Research; strong Python/C++ and data-processing skills; able to communicate findings and deploy models in containerized environments; experience with time series and cross-team collaboration.
Python, C++, Spark/Scala, SQL, Docker, Kubernetes
2mo
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Automation Specialist - Biotherapeutics Discovery Research (Ridgefield, CT, United States, Connecticut)
Ridgefield, Connecticut, United States
$140k-$222k/yr OnsiteFull Time
10+ YOEBachelor’s/Master’s with extensive experience in laboratory automation, orchestration, and scripting across major platforms; strong Python and APIs knowledge; 10+ years or 6+ years with Master’s in CS/Engineering/Biology/Chemistry; eligible to work in the United States.
Cellario, Hamilton, Tecan, Beckman Coulter, Opentrons, ELN, LIMS, APIs
1d
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Postdoctoral Associate
New Haven, Connecticut, United States
$69k/yr OnsiteFull Time
Specialized expertise in organoid biology, developed during doctoral research, with experience engineering 2D and 3D intestinal organoids from human and murine stem cells.
2D, 3D
1w
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Postdoctoral Scholar, Physics
Houghton or Upton
$70k-$90k/yr OnsiteFull Time
Ph.D. in atmospheric science, physics, engineering or related field; laboratory experience with research-grade instrumentation; evidence of publications and conference presentations; familiarity with AI/ML tools a plus.
AI/ML
9h
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Head of R&D and Lab Ops
Brooklyn or New Haven or United States or Europe
$120k-$180k/yr OnsiteFull Time
10+ YOEBachelor’s degree in engineering, 10+ years of biological wastewater treatment process engineering, wastewater process expertise, team leadership, technical writing, modeling tools, and analytical chemistry experience.
BioWin, SUMO, GPS-X, ASM libraries, IC, TIC, ICP, AI
2mo
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Director, Formulation and Process Development
New Haven, Connecticut, United States
$175k-$263k/yr OnsiteFull Time
8+ YOE5+ MgmtBS in bio/chemical engineering, pharmaceutical sciences, biochemistry or related; 8+ years drug product development experience; 5+ years managing scientists/engineers; expertise in formulation, process development, tech transfer, aseptic/lyophilization, cGMP and regulatory submissions.
1d
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New Grad Returning Planner I - NED Summer 2027 (For Current/Former HNTB Interns Only)
New York City or South Portland or Princeton or Bedford or Boston or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$59k-$111k/yr OnsiteFull Time
Bachelor’s degree in urban planning, geography, engineering, or related field; understanding of GIS software and Microsoft Office Suite. Planning internship or prior experience preferred.
GIS, Microsoft Office Suite
3w
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Asset Monitoring Coordinator
New Haven, Connecticut, United States
$45k-$70k/yr OnsiteFull Time
2+ YOEBachelor's in science/engineering or equivalent experience,2+ years lab support experience,mechanical/electrical troubleshooting,analytics and communication skills,PPE and lab safety compliance.
2mo
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Design Manager
Trumbull, Connecticut, United States
$103k-$154k/yr OnsiteFull Time
UnileverLondon Stock Exchange: ULVR: Manufactures and distributes food, home, and personal care products.
8+ YOEMaster’s or PhD in Science/Engineering/Technology Management; 8+ years in technology innovation/R&D leadership; proven cross-functional project delivery; strong partnerships and leadership.
4d
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Chemical Laboratory Supervisor
Uniondale, New York, United States
$90k-$110k/yr OnsiteFull Time
4+ YOEBachelor's degree in a relevant science or engineering field and 4–7 years of chemical laboratory experience; requires laboratory safety, regulatory compliance, analytical, leadership, and organizational skills.
OSHA, EPA, SOP
1d
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2027 Summer Intern: R&D (Undergrad and Grad)
Valhalla or Plano or Purchase
$21-$44/hr OnsiteInternship, Full Time
Pursuing an engineering, food science, agriculture, or related degree; graduating within one year; unrestricted U.S. work authorization; communication, project management, scientific, and technical skills; willingness to travel.
Data Science
5d
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Physical Scientist
Norman or College Park or Kansas City or Bohemia
$106k-$163k/yr OnsiteFull Time
1+ YOEDegree in physical science, engineering, or mathematics with 24 semester hours in relevant science, plus one year of GS-12-equivalent specialized experience in weather data, Linux software, and scientific collaboration.
Linux, High-Performance Computing (HPC), Linux Virtual Machines (VM), USA Hire, USAJOBS, Microsoft Resume Builder
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