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31 engineer internship jobs at 23 companies in Connecticut

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Design Engineer Internship - Fall 2026
Bloomfield or Suffield
OnsiteInternship
LiquidPiston
LiquidPiston: Developing compact, high-efficiency rotary internal combustion engines.
0+ YOEPursuing mechanical engineering; strong SolidWorks; hands-on prototyping; problem-solving; US person preferred.
SolidWorks, CAD
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1mo
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DUV FLS Production Engineer
Wilton, Connecticut, United States
OnsiteFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
BSc in Mechanical Engineering, internship/engineering experience, cleanroom production troubleshooting, knowledge of epoxy processing, mechanical assembly, tooling, diagnostics, and Lean Manufacturing; familiarity with MATLAB, LabVIEW, and Python.
MATLAB, LabVIEW, Python, NX, Teamcenter, SAP
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2w
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Entry Level Wastewater Engineer
Hartford, Connecticut, United States
$75k-$100k/yr HybridFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
Bachelor's in Environmental or Civil Engineering; coursework or internship in wastewater; EIT preferred; familiarity with AutoCAD and Civil 3D; exposure to HydroCAD or HEC-RAS.
AutoCAD, Civil 3D, HydroCAD, HEC-RAS
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3d
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Water Engineer Intern
Middletown, Connecticut, United States
$24-$36/hr HybridPart Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Designing and engineering sustainable solutions for natural and built environments
Pursuing a BS in civil/environmental/water resources engineering, 16–20 hrs/week availability, MS Office proficiency, strong communication and analytical skills; prior water sector coursework or internship preferred.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft SharePoint, Building Information Modeling (BIM), Power BI, Augmented Reality
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MEP Electrical Engineer
Denver or Alaska or Arkansas or California or Connecticut or Delaware or Hawaii or Kentucky or Massachusetts or Rhode Island or Vermont or Puerto Rico or United States
$75k-$90k/yr OnsiteFull Time
Short Elliott Hendrickson
Short Elliott Hendrickson: Provides engineering, architecture, planning, and environmental consulting services.
0+ YOEBachelor's in Electrical Engineering, Revit or AutoCAD experience, ability to obtain EIT within one year, coursework/internship experience related to building electrical systems, must reside in Denver metro or relocate, occasional travel.
Revit, AutoCAD
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1w
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Full-Stack Software Engineer Internship (Summer 2027)
Stamford or Houston
OnsiteInternship, Full Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Currently pursuing a BS/MS in CS/Engineering/MIS or related, strong Python skills (Pandas, NumPy), familiarity with Git, cloud (AWS), Kubernetes, Kafka, Snowflake, DevOps tools and data visualization (Streamlit).
Python, Pandas, NumPy, AWS, Snowflake, Kubernetes, Kafka, Git, Docker, Helm, CI/CD, Streamlit
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Field Engineer I - Nationwide 2027
Providence or Glastonbury or Boston or New York or Arlington or Baltimore or Philadelphia or Newark or Charlotte or Columbia or Atlanta
$35-$44/hr OnsiteFull Time
Gilbane Building Company
Gilbane Building Company: Global construction and facilities management services provider.
0+ YOEBachelor's in engineering or construction management, 0-1 years experience or internships, OSHA 30, Procore and Microsoft Office proficiency, First Aid/CPR, strong communication and technical skills.
Procore, Microsoft Office
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2d
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Engineering Intern – Summer 2027
Minnesota or Arizona or New Jersey or California or Colorado or Connecticut or Tennessee or Massachusetts or Michigan or Texas or Florida
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
Currently pursuing a BS/MS in engineering (biomedical, mechanical, electrical, industrial, materials, computer or related), U.S. work authorization required, GPA 3.0 preferred, internship availability June–August, prior engineering project or internship experience preferred.
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3w
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Mechanical I - Intern Nuclear
Stonington, Connecticut, United States
OnsiteFull Time, Internship
Zachry Group
Zachry Group: Provides engineering, construction, and maintenance for industrial facilities.
BS in mechanical, chemical, or nuclear engineering (ABET) required; FE desirable. Proficiency with Microsoft Office; ability to perform calculations, design support, field walkdowns, and maintain unescorted nuclear plant access.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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System and Software Engineer (MBSE / SysML) – Aerospace
East Hartford, Connecticut, United States
HybridMultiple Commitments Available
Sopra Steria
Sopra SteriaEuronext Paris: SOPR: Provides digital transformation consulting and information technology services.
3+ YOEBachelor's in engineering; experience with MATLAB/Simulink for embedded software; experience with Cameo Systems Modeler; SysML; DO-178C; aerospace domain.
MATLAB, Simulink, Cameo Systems Modeler
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Rotational Development Program, Engineering, Operations, and Supply Chain
Monroe or Rockwood or Mason City or Monroe or Berlin or Montgomery or Salem or Memphis or New Haven or Las Vegas or Milan or Sacramento or Phoenix
FieldFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
Bachelor's in engineering, supply chain, or operations (minimum 3.0 GPA) required; internships desirable. Must be willing to relocate for rotations and travel to multiple manufacturing sites. Strong communication and curiosity.
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3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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Wentworth Institute of Technology College Career Fair Fall 2026
Newton or Bloomfield
OnsiteInternship
Salas O'Brien
Salas O'Brien: Provides integrated engineering design and technical consulting services.
Must be currently enrolled in a bachelor’s or master’s program in engineering, architecture, audio engineering, or business-related field; strong communication and teamwork; CAD (AutoCAD/Revit) experience helpful.
AutoCAD, Revit
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Engineering Co-Op
Groton, Connecticut, United States
OnsiteInternship
Precision Castparts Corp.
Precision Castparts Corp.NYSE: BRK.B: Manufacturer of complex metal components for aerospace and industrial markets.
Enrolled student pursuing a Bachelor's or Master's in Materials, Mechanical, or Aeronautical Engineering; minimum GPA 2.5; willingness to relocate; capable of data analysis, documentation, and process improvement.
Word, Excel, PowerPoint
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Engineering Intern
Bloomfield, Connecticut, United States
OnsitePart Time, Internship
Salamander Designs
Salamander Designs: Handcrafts custom furniture for technology integration and residential spaces.
Current enrollment in an accredited engineering or related program (junior/senior preferred); proficiency in SolidWorks or AutoCAD and 3D CAD software; strong mechanical aptitude, attention to detail, teamwork, and communication skills.
SolidWorks, AutoCAD, 3D CAD software
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Computer Aided Drafting & Design (CAD) Intern (Fall 2026 Co-Op) - Transmission & Distribution (Wallingford)
Wallingford, Connecticut, United States
$19-$28/hr OnsiteInternship
Burns & McDonnell
Burns & McDonnell: Engineering, architecture, and construction services for global infrastructure.
Currently enrolled in a CAD/engineering technology program, strong Office skills, 3.0 GPA preferred, legally authorized to work in the U.S., strong communication and problem-solving.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
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2w
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Acoustics Intern
Stamford, Connecticut, United States
HybridInternship
TLC Engineering Solutions
TLC Engineering Solutions: Providing high-performance engineering design and consulting services for buildings.
Current bachelor's student in mechanical/acoustical/architectural engineering; available full-time (40 hrs/week) for summer; desire to pursue acoustical consulting; computer software aptitude.
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International Graduate Rotational Program - Service & Sales
Farmington, Connecticut, United States
OnsiteFull Time
TRUMPF
TRUMPF: Manufactures industrial machine tools and laser technology systems.
Master’s degree in economics, engineering, or business; internship/coop or early experience in marketing, sales, or service; willing to relocate and obtain work visa; strong analytical and initiative.
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Software Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
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International Graduate Rotational Program - Service & Sales
Farmington, Connecticut, United States
OnsiteFull Time
TRUMPF
TRUMPF: Manufactures industrial machine tools and laser systems for production.
Master’s degree in economics, engineering, business administration, or related field; internship or early professional experience in marketing, sales, or service; willingness to relocate and work internationally; requires visa eligibility for Germany.
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