70 chemical engineer jobs at 42 companies in Middletown, CT
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Chemical Engineer - Direct Liquid Cooling
Danbury or Cincinnati
OnsiteFull Time
3+ YOEBSc in chemistry/chemical engineering,3+ years analytical chemistry or fluid analysis experience in DLC fluids; proficiency in analytical data interpretation, diagnostics, and predictive modeling; strong communication and decision-making.
LIMS
5d
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Manufacturing Engineer
West Springfield, Massachusetts, United States
$85k-$100k/yr OnsiteFull Time
5+ YOEBachelor's degree in Manufacturing Engineering Technology preferred; 5+ years of chemical processing or related engineering experience. ITAR eligibility required.
ITAR
1w
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Process Engineer
West Haven, Connecticut, United States
OnsiteFull Time
Engineering foundation with knowledge of chemical manufacturing, process optimization, mass balances, process control, data analysis, root cause analysis, continuous improvement, process safety, and project management.
Root Cause Analysis (RCA), ERP, Microsoft 365, Lean Manufacturing, Six Sigma
5d
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Applications Engineer
Meriden, Connecticut, United States
OnsiteFull Time
0+ YOEBachelor's degree in mechanical, chemical, or related engineering; 0–5 years related experience; strong analytical, problem-solving, communication, and prioritization skills. Pumps, hydraulics, CRM, or ERP experience preferred.
Salesforce, SAP
6d
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Wastewater Process Engineer
Brooklyn or New Haven
$85k-$130k/yr OnsiteFull Time
5+ YOEBachelor’s degree in environmental, chemical, civil engineering, or related field; 5–8+ years in wastewater process engineering; expertise in treatment processes, PFDs, P&IDs, mass balances, and process design.
BioWin, SUMO, GPS-X, MATLAB, AutoCAD, Civil 3D, Revit
2mo
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Environmental Engineer
Shelton or Boston or Chelmsford
$79k-$116k/yr OnsiteFull Time
1+ YOEBachelor's degree in environmental/chemical/civil engineering, EIT certification, 1+ years post-education experience, Phase I ESA and sampling experience, knowledge of EHS regulations, technical writing and analytical software proficiency, ability to travel and work flexible schedules.
1mo
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Draw Process Engineer
Sturbridge, Massachusetts, United States
$80k-$122k/yr OnsiteFull Time
1+ YOEBachelor's in chemical engineering, 1+ years industrial/manufacturing experience preferred, strong inorganic/organic chemistry aptitude, MS Office proficiency, ability to work independently and in teams.
Microsoft Word, Microsoft Excel, Energy Dispersive Xray Fluorescents Spectrometer, Titrator
3mo
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Discipline Engineer | Water/Wastewater
Windsor, Connecticut, United States
$110k-$160k/yr OnsiteFull Time
10+ YOE10-15 years water/wastewater planning, design, and construction; Bachelors in Civil/Environmental/ Chemical or Mechanical Engineering; experience with drawings, specifications, schedules, and cost estimates; P.E. required; PMP a plus.
1w
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Senior Product Development Engineer
New Hartford, Connecticut, United States
OnsiteFull Time
10+ YOEBachelor's degree in chemistry, chemical engineering, polymer science, or materials science; 10–15 years' experience; applied polymer science, PSA adhesives, coatings, curing, processing, formulation, and DOE expertise.
Design of Experiments, GPC, DSC, TGA, FTIR, SEM, DMA
1mo
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Commercial Applications Engineer: Printed Electronics
United States or Scottsdale or Bay Point or Irvine or Denver or Rocky Hill or Enoree or Greenville or Dallas or Houston
$110k-$130k/yr OnsiteFull Time
Master's in engineering preferred, high electronics/mechanical/chemical aptitude, printing/coating and adhesives experience preferred, experience with antennas/EMI preferred, up to 50% domestic travel, technical leadership and lab equipment management.
1mo
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Environmental Engineer - Water Services - (Fall 2026 Grads!)
Hartford, Connecticut, United States
$62k-$103k/yr OnsiteFull Time
0+ YOEBachelor's in Civil/Environmental/Chemical Engineering, 0+ years experience, knowledge of water/wastewater design, ability to perform site assessments and technical reporting, and travel up to 10%.
ArcGIS, HEC-RAS, SWMM, CADD, Microsoft Excel, Microsoft Word
2w
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Process Engineer, Mid-Level (Food & Beverage Industry)
Springfield, Massachusetts, United States
$90k-$115k/yr OnsiteFull Time
4+ YOEBachelor's in chemical or process engineering, 4+ years process engineering experience for food & beverage plants, P&ID and process flow skills, equipment sizing, MS Office/MS Project/AutoCAD proficiency, ability to travel 30-50%.
Microsoft Office, Microsoft Project, AutoCAD
2mo
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Thermal/Environmental Coating Engineer
East Hartford, Connecticut, United States
$57/hr OnsiteContract
8+ YOEBachelor's degree in materials science, chemical engineering, applied physics, or related field; 8 years of relevant experience; coating chemistry, application, characterization, modeling, communication, and US citizenship required.
Chemical Vapor Deposition (CVD), Lean/Six Sigma
1mo
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Senior Development Engineer- Advanced Joint and Bonding
Hamden, Connecticut, United States
OnsiteFull Time
5+ YOEMaster's or PhD in Materials Science/Chemical/Plastics Engineering, 5+ years in thin adhesives or coatings deposition, experience with high-temperature adhesive systems, materials characterization, and data analysis tools.
DSC, TGA, DMA, FTIR, Microsoft Excel, MATLAB, Minitab, Origin
1mo
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Senior Development Engineer- Advanced Joint and Bonding
Hamden, Connecticut, United States
OnsiteFull Time
5+ YOEMaster's or Ph.D. in Materials Science/Chemical/Plastics Engineering, 5+ years in thin adhesives or coatings deposition, experience with high-temperature adhesive systems, materials characterization, and data analysis software.
Microsoft Excel, MATLAB, Minitab, Origin
2w
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Environmental Engineer 2 (Public Health) (35 Hour)
Hartford, Connecticut, United States
$70k-$101k/yr HybridFull Time
6+ YOESix years environmental engineering experience (or substituted college credits), ability to inspect water/waste treatment systems, review plans, perform field tests, and conduct chemical/bacteriological analyses.
1mo
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Environmental Engineer - Water Services - (Fall 2026 Grads!)
Hartford, Connecticut, United States
$62k-$103k/yr OnsiteFull Time
0+ YOEBachelor's in Civil/Environmental/Chemical Engineering or related; 0 years experience (new grads welcome); familiarity with ArcGIS, HEC-RAS, SWMM, CADD, and Microsoft Excel/Word; up to 10% travel.
ArcGIS, HEC-RAS, SWMM, CADD, Microsoft Excel, Microsoft Word
2mo
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Product Process Engineer I
Manchester, Connecticut, United States
$75k-$95k/yr OnsiteFull Time
Prefer BS in Engineering; experience with batch and continuous operations; develop/modify chemical formulations; create PFDs and P&IDs; perform process optimization, troubleshooting, and computer modeling; MS Office proficiency. E-verify, background check, and drug screen required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access, Microsoft Outlook
1mo
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Advanced Processing Cleaning & Contamination Engineer
Wilton or Chandler or San Jose or San Diego or Veldhoven
OnsiteFull Time
2+ YOEMaster's +2yrs or Bachelor's +6yrs in engineering/materials; experience in precision optics, contamination control, semiconductor manufacturing; expertise in precision cleaning, chemical cleaning media, and problem-solving frameworks; proficiency with data analysis tools.
Python, MATLAB, SPC, JMP, Minitab, FMEA, DMAIC, 8D, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
1mo
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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.
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