35 intern engineering jobs at 24 companies in Defiance, OH

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Systems Engineering Intern
Fort Wayne, Indiana, United States
OnsiteInternship
Franklin Electric
Franklin ElectricNASDAQ: FELE: Designs and manufactures water and fuel pumping systems.
Pursuing a Master’s in Systems Engineering or senior-level engineering student; strong systems engineering knowledge (requirements, interfaces, DFMEA, V&V), control principles (PID), system-level debugging; preferred experience with CODESYS, C, ladder logic, MATLAB, or Python.
CODESYS, C, Ladder Logic, MATLAB, Python
4d
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Intern - City Utilities Engineering
Fort Wayne, Indiana, United States
$15-$22/hr OnsiteInternship
City of Fort Wayne
City of Fort Wayne: Provides municipal government services and public infrastructure management.
Currently pursuing a Bachelor's in Engineering or Engineering Technology; ability to lift up to 50 lbs; valid driver's license; strong attention to detail and problem-solving; ability to work independently and in teams.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
2mo
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Engineering Co-op/Intern - Spring 2027 (10993)
Anna or Marysville or Raymond or East Liberty or Russells Point or Lincoln or Timmonsville or Swepsonville
OnsiteMultiple Commitments Available
Honda
HondaNYSE: HMC: Manufactures and develops motor vehicles, engines, and mobility products.
0+ YOELegally authorized to work in the U.S. without sponsorship; pursuing Mechanical Engineering or related field; minimum 2.5 GPA; sophomore or above; 10+ weeks at 40 hrs/week; valid U.S. driver’s license; own transportation; enrolled in bachelor’s or master’s degree program
CAD, PLCs, HMIs
3d
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Quality Engineering Intern
Toledo, Ohio, United States
OnsiteInternship
Piston Group
Piston Group: Tier 1 manufacturer of automotive components and assemblies.
Pursuing an Associate's or Bachelor's in Engineering or related field; strong communication; ability to create procedures; able to lift up to 20 lbs; intermediate Microsoft Office skills.
Microsoft Office
2d
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Intern
Fort Wayne or Indianapolis or Detroit or South Bend or Columbus or Cincinnati or Phoenix or Casa Grande or Saginaw
OnsiteInternship
Miller Electric Company
Miller Electric Company: Provides electrical and technology infrastructure construction and maintenance services.
Must be enrolled in high school or university, 18+, proficient with Microsoft Office, willing to learn AutoCAD/REVIT, complete safety training, and demonstrate strong communication and reliability.
AutoCAD, REVIT, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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Intern- Mechanical Engineering
Fort Wayne, Indiana, United States
OnsiteInternship
Web Industries
Web Industries: Provides precision material converting and contract manufacturing services.
Pursuing a B.S. in mechanical engineering (min. 3 years college), prior manufacturing co-op/internship required, U.S. citizenship required, strong communication, problem-solving, and data analysis skills.
1mo
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Intern/Co-op - Refining Chemical Engineering Fall 2026
Findlay or El Paso or Anacortes or Wilmington or Martinez or Owensboro or Canton or Canonsburg or Mandan or Salt Lake City or Dickinson or Robinson or Detroit or St Paul Park or Catlettsburg or Garyville or Texas City or Kenai or San Antonio
$33-$42/hr OnsitePart Time, Internship
Marathon Petroleum
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
Must be majoring in Chemical Engineering, strong academic performance, concurrently enrolled in a degree program, valid driver's license, authorized to work in the US indefinitely, availability for multiple co-op/term assignments preferred.
1mo
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Enterprise Intern
Fremont or Dubuque
HybridMultiple Commitments Available
isolved
isolved: Cloud-based human capital management software for workforce operations.
Currently pursuing a bachelor's degree in Business, Information Systems, Computer Science, Engineering or related field; advanced Microsoft Office skills (Excel, Word, PowerPoint); strong analytical, communication, and organizational skills; foundational AI knowledge; Agile familiarity.
Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, AI
3w
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Project Intern
Lima, Ohio, United States
FieldFull Time
Everus
EverusNYSE: ECG: Provides specialty electrical, mechanical, and power infrastructure construction services.
Two years of college toward a B.S. in Electrical or Mechanical Engineering; strong communication and organizational skills; Microsoft Word, Excel, Outlook, and AutoCAD proficiency; valid driver's license and safe driving record.
Microsoft Word, Microsoft Excel, Microsoft Outlook, AutoCAD
2d
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Seasonal State Worker - CMP Design (481489)
Fort Wayne, Indiana, United States
$16/hr OnsiteSeasonal
State of Indiana
State of Indiana: Provides public services and state governance to Indiana residents.
Currently enrolled or recent graduate in Civil Engineering/CADD or related program; knowledge of CADD and Microsoft Office; ability to interpret civil engineering principles; good communication skills.
CADD, Microsoft Office
3w
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Project Intern
Lima, Ohio, United States
OnsiteFull Time
Everus Construction Group
Everus Construction GroupNYSE: ECG: Specialty construction services for electrical and mechanical infrastructure.
Two years of college toward a B.S. in Electrical or Mechanical Engineering, valid driver's license, strong communication and organizational skills, Microsoft Word/Excel/Outlook and AutoCAD experience; ability to drive and assist project teams.
Microsoft Word, Microsoft Excel, Microsoft Outlook, AutoCAD
2d
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Digital Transformation Intern (1st Shift) - Fall 2026
Walbridge, Ohio, United States
$22-$25/hr OnsiteFull Time
First Solar
First SolarNASDAQ: FSLR: Designs and manufactures thin-film photovoltaic solar modules.
Engineering or data-analytics background, proficiency in Excel, experience with JMP/statistical software or SQL/Python a plus, strong communication and root-cause analysis skills; internship 3–6+ months.
Microsoft Excel, JMP, SQL, Python, Microsoft PowerPoint
2mo
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Intern - Summer 2027 (Toledo)
Toledo, Ohio, United States
OnsiteTemporary
Turner Construction
Turner Construction: Construction management and general contracting for complex large-scale building projects.
Enrolled in a college/university program, 18+, pursuing a degree (Engineering, Architecture, Construction Management or related), minimum 1 year of completed education, and interest in construction management.
2mo
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Intern - Spring 2027 (Toledo)
Toledo, Ohio, United States
OnsiteInternship
Turner Construction
Turner Construction: Manages and constructs large-scale commercial and infrastructure projects.
Enrolled in college/university; pursuing a degree in Engineering, Architecture, Construction Management, or related field; at least 1 year of completed study; 18+; English communication skills; willingness to work at construction sites and office; overtime as needed.
2mo
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Construction/Project Manager Intern
Lima, Ohio, United States
$24-$28/hr OnsiteFull Time
The Brock Group
The Brock Group: Provides specialty craft and maintenance services for industrial facilities.
0+ YOEPursuing construction management or engineering, actively enrolled; organized, detail-oriented, motivated; eager to learn industrial construction.
Outlook, Excel, Primavera, MS Project
1mo
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Scientist Intern (SA Lab) Fall 2026
Northwood, Ohio, United States
OnsiteFull Time, Internship
Pilkington North America
Pilkington North AmericaTokyo Stock Exchange: 5202: Manufacturing glass and glazing products for automotive and building sectors.
Pursuing an undergraduate degree in science or engineering; hands-on technical skills; strong analytical/problem-solving ability; teamwork and communication skills; proficiency with Microsoft Office; commitment to safe, ethical behavior.
Lambda 1050 Spectrophotometer, Haze Gard, Colorsphere, FTIR, Four Point Probe, Profilometer, FAAS, ERS, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1w
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2026 Autumn College Intern - Division of Surface Water
Dayton or Bowling Green or Columbus
$16/hr OnsitePart Time
Ohio Department of Rehabilitation and Correction
Ohio Department of Rehabilitation and Correction: Managing state prisons and community-based rehabilitation programs.
Must be enrolled in or recently graduated from a college program in environmental science, water resources, chemistry, or engineering; skills in data analysis, written communication, and computer use; background check required.
2w
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Engineering/Construction Management Internship/Co-op - Defiance, Ohio - Spring 2027
Defiance, Ohio, United States
OnsiteInternship
E.S. Wagner Co.
E.S. Wagner Co.: Constructing highways, bridges, and heavy civil engineering infrastructure.
Undergraduate student pursuing construction-related studies, interest in construction, communication skills, Microsoft Office familiarity, leadership and teamwork; ability to assist in field engineering, estimating, and office tasks.
Microsoft Office
2mo
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GPS Lead (Bluffton, OH, US, Bluffton, )
Bluffton, Ohio, United States
OnsiteFull Time
GROB
GROB: Manufacturer of universal machining centers and production systems.
3+ YOELead the implementation of Lean Manufacturing to improve productivity, reduce waste, and manage international travel; requires a Bachelor’s/Associate in Electro-Mechanical/Industrial Engineering and 3+ years in engineering/technical field.
Microsoft Office Suite, Excel, PowerPoint
2d
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Quality Engineer IATF
Fort Wayne, Indiana, United States
OnsiteFull Time
Dana
DanaNYSE: DAN: Manufacturer of vehicle driveline and thermal management systems.
3+ YOEBachelors in engineering or related field and 3+ years manufacturing quality experience; knowledge of IATF 16949/ISO 9001, internal and external audits, corrective actions, AIAG Core Tools, strong analytical and communication skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, SAP, APQP, PPAP, PFMEA, MSA, SPC, Control Plans, GD&T

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