50 engineer internship jobs at 31 companies in Naugatuck, CT

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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
18h
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Summer 2027 Graduate Engineer Internship/Co-op
Bastrop or Bloomfield or Cape Canaveral or Hawthorne or Irvine or Long Beach or McGregor or Palo Alto or Redmond or Brownsville or Vandenberg or Woodinville
$83k-$100k/yr OnsiteInternship
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
0.5+ YOEEnrolled graduate student with 6+ months applied engineering experience, bachelor\u0002s in engineering/physics/math, U.S. citizenship or eligible status per ITAR, strong teamwork and adaptability.
Grok, Starmind
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
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
1mo
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Entry-Level Civil Engineer
New Haven, Connecticut, United States
OnsiteFull Time
Langan
Langan: Provides integrated engineering, environmental, and site development consulting services.
0+ YOEBachelor's in Civil Engineering, 0-2 years experience, 3.0 GPA preferred, EIT or FE registration preferred, site/civil internship or experience, strong communication and analytical skills.
AutoCAD, Civil 3D
4w
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2026 Intern Conversion: Hardware Engineer
Yorktown Heights or Albany
$122k-$182k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Bachelor's degree and successful completion of a 2025 IBM co-op or internship; entry-level hardware engineering role within IBM Research, onsite in New York.
4d
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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
2w
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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
3w
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Field Engineer II
Glastonbury, Connecticut, United States
$77k-$95k/yr OnsiteFull Time
Gilbane
Gilbane: Global firm providing construction and real estate development services
1+ YOEBachelor's or Master's in Engineering or Construction Management,1-2 years construction experience or internships,OSHA 30,Procore and Microsoft Office familiarity,First Aid/CPR,construction document literacy.
Procore, Microsoft Office
1mo
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Construction Project Engineer Intern
Valhalla, New York, United States
$60k-$72k/yr OnsiteFull Time, Internship
City of New York
City of New York: Provides municipal services and administration for New York City.
Baccalaureate degree in civil engineering required; valid New York motor vehicle driver license; ability to perform field inspections, climb ladders, lift ~20 lbs, and travel to watershed sites; strong analytical, communication, and contract-tracking skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, AutoCAD, eBuilder
1w
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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
1d
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Boeing Engineering Entry-level, Associate and Mid-level Positions
Seattle or Saint Charles or Huntsville or Portland or Tinker Air Force Base or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or China Lake or Tukwila or North Charleston or Kennedy Space Center or Heath or Houston or Fairfax or Colorado Springs or Seal Beach or Long Beach or Newburgh or Renton or Saint Louis or Auburn or Philadelphia or Everett or San Antonio or Kent or Mesa or New Orleans
$54k-$222k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied sciences student graduating before Sept 2027; strong academics, technical projects or internships; U.S. Person required; may require security clearance; employer will not sponsor visas.
3w
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Structural Engineering Intern (Summer 2027)
White Plains, New York, United States
$22-$24/hr OnsiteInternship
OneFourTwo Design Group
OneFourTwo Design Group: Integrated architecture and structural engineering for commercial construction projects.
Enrolled in civil engineering program (undergraduate or graduate), minimum 3.0 GPA, strong verbal communication, Revit experience preferred, construction/engineering internship experience a plus.
Revit
1w
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AI Engineer Intern
Islandia, New York, United States
OnsiteFull Time, Internship
Festo
Festo: Festo provides pneumatic and electrical automation technology for industrial production.
Pursuing or graduated in CS/Software/IT/Data Science/AI; proficiency in Python, JavaScript, HTML, CSS, Git; knowledge of web architecture, OOP, debugging, and AI concepts.
Python, JavaScript, HTML, CSS, Git, REST APIs, Large Language Models (LLMs), Azure AI Services, Azure, AWS, Google Cloud
4w
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Structural Engineering Intern (Summer 2027)
White Plains, New York, United States
OnsiteFull Time
OneFourTwo Design Group
OneFourTwo Design Group: Full-service architecture and structural engineering design firm.
Enrolled in a civil engineering degree program (GPA ≥ 3.0). Strong communication, coursework or internship experience in construction/engineering; ability to prepare designs, review codes, and produce Revit construction drawings.
Revit
2mo
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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
2mo
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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.
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
1mo
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Quality Leadership Development Program (QLDP)
Nashua or Austin or San Diego or Wayne or Huntsville or Endicott or Greenlawn or Manassas or New Hampshire or Texas or California or Virginia or United States
$65k-$110k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
0+ YOEBachelor's in engineering required (Master's for advanced level), internship/co-op or project experience preferred, teamwork and leadership demonstrated, willing to relocate for rotations, ability to obtain and maintain DoD security clearance, U.S. person/citizenship required.
Lean Six Sigma
1w
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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