45 research engineer jobs at 28 companies in Ledyard, CT
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Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
1w
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Research General Engineer
New London, Connecticut, United States
$120k-$156k/yr OnsiteFull Time
1+ YOEEngineering degree (ABET or equivalent) plus at least 1 year specialized experience at GS-12 level; U.S. citizenship and ability to obtain Secret clearance required.
1mo
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Senior Research Engineer - Combustion & Propulsion Technology
East Hartford, Connecticut, United States
$87k-$165k/yr OnsiteFull Time
3+ YOEM.S. in Mechanical/Aerospace Engineering with 3+ years post-degree experience in RDE/gas turbine combustor development, strong combustion and propulsion expertise, CFD experience, experimental diagnostics, and demonstrated technical contributions.
CFD
1d
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Senior Advanced AI Research Engineer
Mountain View or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City 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 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
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years with Python and/or Node.js/TypeScript, and 5+ years with AI/ML systems. Research-to-production experience preferred; Kubernetes, databases, tracing, and async Python are bonuses.
Python, Node.js, TypeScript, FastAPI, asyncio, Kubernetes, OpenTelemetry, CI
3w
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Research Associate 2
Farmington, Connecticut, United States
OnsiteFull Time
3+ YOEMaster's in biomedical/mechanical engineering or related plus 3 years biomechanical testing/research; supervisory ability, proficiency with data acquisition and MATLAB, cadaveric specimen experience.
MTS, Instron, MATLAB, data acquisition systems
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Relocate to Australia: Senior Structural Engineer (NSQEP)
Adelaide or Perth or Sydney or London or Plymouth or Faslone or San Diego or Seattle or Bremerton or Groton or Norfolk or Honolulu or Kings Bay
HybridFull Time
6+ YOEBachelor's/Master's in civil/structural engineering,6+ years structural/seismic experience,defence/research/nuclear exposure desirable,progress toward Chartered status,Australian citizenship or AUKUS clearance required.
ETABS, SpaceGass, RAPT, Finite Element Analysis (FEA)
2w
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Raw Materials Engineer
Pawtucket, Rhode Island, United States
OnsiteFull Time
4+ YOEBachelor's in polymer/material/chemical engineering or 4+ years equivalent experience; familiarity with testing and lab data analysis; strong analytical, project management, and communication skills; proficiency with Excel, Word, PowerPoint, Teams; Six Sigma Green Belt preferred.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Teams
2w
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Human Factors Engineer, Flight Deck Design
Wichita or Tucson or Opa-locka or Fort Worth or Windsor
OnsiteFull Time
10+ YOEBachelor's in Engineering or Science (or equivalent in cognitive ergonomics/psychology/industrial design), 10+ years aerospace human factors experience, HMI design and evaluation, regulatory knowledge, English proficiency, U.S. work authorization required.
MIL STD, SAE ARP, ARINC
1w
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Research & Development - PhD Engineering Intern
Lexington or Allentown or Providence or Louisville
OnsiteInternship
Pursuing a PhD in Engineering (ABET), minimum 3.0 GPA, available part-time during semesters and full-time in Summer 2026, interest in renewable energy and willingness to travel for R&D projects.
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R&D Analyst/Engineer
Windsor, Connecticut, United States
$100k-$180k/yr HybridFull Time
2+ YOEM.S./Ph.D. in a technical field plus 2+ years, or Bachelor's plus 5+ years; experience in power system planning, optimization, probabilistic resource/energy adequacy assessment, and production cost simulation; strong quantitative and communication skills; knowledge of ISO/RTO, NERC, NPCC frameworks.
6d
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Postgraduate Associate
New Haven, Connecticut, United States
$46k/yr OnsiteFull Time
Conduct research developing and engineering human and mouse lymphoid tissue organoid models, including lymph node organoids, to investigate immune function, aging, and disease.
1w
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Risk Control Forensic Specialist II
Windsor or Hartford
$115k-$189k/yr HybridFull Time
4+ YOEBachelor's in science/engineering, 4+ years engineering or forensic analysis experience, valid driver’s license, forensic investigation and lab experience, strong communication and critical thinking skills.
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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.
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.
2w
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R & D Technician
Oxford, Massachusetts, United States
$20-$26/hr OnsiteFull Time
Associate's degree or equivalent experience in optics/engineering/physics, cleanroom experience, ability to handle precision opto-mechanical components, read schematics, document work, and use analytical instrumentation.
Microsoft Office, power meters, beam profilers, spectrometers, optical spectrum analyzers, oscilloscopes, ERP
2mo
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SSW Action Officer
Newport, Rhode Island, United States
OnsiteFull Time
7+ YOEBachelor's degree with 7+ years experience (or equivalent), active DoD Secret clearance, engineering/technical analysis experience, familiarity with USN SSW/USW operations, strong communication and organizational skills.
1mo
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Associate Materials Scientist
Groton, Connecticut, United States
$25-$31/hr OnsiteFull Time
2+ YOEBS with 2+ years or MS/PhD in pharmaceuticals/chemistry/chemical engineering; experience with solid-state characterization (XRD, DSC, TGA, microscopy, spectroscopy); strong data analysis, communication, and organizational skills.
X-ray powder diffraction, differential scanning calorimetry, thermogravimetric analysis, polarized light microscopy, FTIR, NIR, FT-Raman, SSNMR, electronic laboratory notebook
3w
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Physicist for Radar Systems
Middletown, Rhode Island, United States
$71k-$124k/yr OnsiteFull Time
0+ YOEBS in physics/nuclear engineering (minimum) with relevant experience; MS acceptable. Experience in radiation transport, experimental design, modeling, technical writing, and presenting to technical/government audiences; ability to obtain Secret clearance.
C++, Fortran, Python, MCNP, Attila
1w
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Associate Scientist II, Clinical QC – Immunology Analytical Development and Clinical QC
New Haven, Connecticut, United States
OnsiteFull Time
2+ YOEBS in immunology/biochemistry/chemistry/chemical engineering with 2+ years laboratory experience, strong cGMP knowledge, experience with plate-based assays, documentation, SOPs, and troubleshooting; able to follow procedures and train others.
Veeva Vault ECMS, ELN, gLIMS, MS Office, Lean 6 Sigma
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
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