38 intern engineering jobs at 27 companies in Ballwin, MO

2mo
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Engineering Intern
East Alton, Illinois, United States
$18-$20/hr OnsiteFull Time
West Star Aviation
West Star Aviation: Provides maintenance, repair, and overhaul services for business aircraft.
Entry-level engineering internship; CAD experience; FAA guidelines; high school diploma; one year of engineering/technical coursework; willingness to commute to East Alton, IL.
CAD (AutoCAD/SolidWorks), Microsoft Office
1w
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Engineering Intern
Red Bud, Illinois, United States
$21/hr OnsiteFull Time, Internship
PlayCore
PlayCore: Designs and manufactures commercial playground and recreational equipment.
Must be a junior or senior pursuing a bachelor’s in Industrial/Manufacturing Engineering or Industrial Management; basic Lean knowledge; strong communication, analytical, and teamwork skills; proficient in Microsoft Office.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft Project, Microsoft PowerPoint
1w
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Engineering Intern
Red Bud, Illinois, United States
$21/hr OnsiteFull Time
PlayCore
PlayCore: Designs and manufactures commercial playground and recreational equipment.
Junior or senior pursuing a bachelor's in Industrial/Manufacturing Engineering or Industrial Management; basic Lean knowledge; strong communication, teamwork, analytical skills; proficiency with Microsoft Office; minimal travel.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft Project, Microsoft PowerPoint
1d
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Engineering Intern
St. Louis, Missouri, United States
OnsiteInternship, Full Time
Metropolitan St. Louis Sewer District
Metropolitan St. Louis Sewer District: Manages wastewater and stormwater systems for the St. Louis region.
Currently enrolled full-time in a bachelor's engineering program; valid driver's license; able to work up to 40 hours/week in St. Louis; pass non-DOT drug test.
3d
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Engineering Intern
Bridgeton, Missouri, United States
$23-$31/hr HybridFull Time
Trane Technologies
Trane TechnologiesNYSE: TT: Global provider of heating, ventilation, and air conditioning solutions.
1+ YOEPursuing BS/MS in Mechanical/Aerospace/Engineering Physics with GPA≥3.0, at least one internship or work experience, leadership experience, U.S. work authorization without sponsorship, willing to relocate, strong collaboration and problem-solving skills.
5d
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MECHANICAL ENGINEERING INTERN (Fall Semester Position)
Sauget or St. Louis
$20-$22/hr OnsiteMultiple Commitments Available
Filtration Group
Filtration Group: Manufacturer of mission-critical filtration and separation solutions.
Undergraduate engineering student (sophomore–senior), SolidWorks and Microsoft Excel proficiency, strong mechanical design skills, communication, organization, and ability to manage multiple projects.
SolidWorks, Microsoft Excel
3w
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Engineering Manager
High Ridge, Missouri, United States
OnsiteFull Time
H-J Family of Companies
H-J Family of Companies: A global designer and manufacturer of products for the transformer and switchgear industries that values innovation, quality, and continuous improvement.
15+ YOEBachelor's in Electrical or Mechanical Engineering required (Master's preferred); 15+ years electrical industry experience, 10+ years field applications with power products, 2+ years international experience, engineering team leadership, simulation/design software experience, willing to travel up to 15%.
3w
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Engineering Manager
High Ridge, Missouri, United States
OnsiteFull Time
The H-J Family of Companies
The H-J Family of Companies: Manufactures and supplies electrical components for global power distribution systems.
15+ YOEBachelor's in Electrical or Mechanical Engineering required (Master's preferred); 15+ years electrical industry experience; 10+ years field applications experience with power products; 2+ years international experience; engineering leadership; simulation/design software experience; willing to travel up to 15%.
3w
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Intern to Entry Level Conversion - Engineering (Summer 2026 Intern Program)
Seattle or Saint Charles or Huntsville or Portland or Midwest City or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or Ridgecrest 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
$50k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied-sciences student with expected graduation before September 2027; previously interned with Boeing; strong academics, collaboration, and technical project experience; ability to meet export-control U.S. Person requirements for many roles.
1mo
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Intern Technical US- Quality Seasonal
Maryland Heights, Missouri, United States
OnsiteFull Time
Refresco
Refresco: Independent global provider of beverage bottling and manufacturing solutions.
Pursuing engineering, business, HR, supply chain, food science, finance, safety, or related field; GPA 3.0+; 18+; eligible for university credit; able to work full time in a manufacturing setting; safety and GMP awareness preferred.
Microsoft Office
2mo
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IT Intern
St. Louis or Fenton
OnsiteInternship
Tacony
Tacony: Manufacturer and distributor of sewing and floor care products.
2+ YOEPursuing a Bachelor's degree in CS/IS/Software Engineering/MIS; 2 years total work experience with at least 1 year in related IT field; strong communication; curious problem solver.
C#, DotNET, Epicor ERP, Python, Make, Zapier, Cursor, Replit, ChatGPT, AI tools
3w
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80/20 Design Engineer Intern - Chesterfield, MO
Chesterfield, Missouri, United States
OnsiteInternship, Part Time
GCG
GCG: Distributes industrial wire, cable, and automated connectivity systems.
Current enrollment in mechanical/electrical/aerospace engineering program; experience with AutoCAD and SolidWorks; ability to use hand tools and assemble aluminum extrusion products; willingness to work onsite 4-5 days/week; 29 hours/week.
AutoCAD, SolidWorks
1d
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Firmware Engineer Intern
St. Louis, Missouri, United States
OnsiteInternship
Safe Fleet
Safe Fleet: Integrated smart safety solutions for fleet vehicles.
Pursuing BS in Computer Engineering/EE/CS, C programming, experience with CoPilot/Claude/ChatGPT, oscilloscope and DMM use, debugging, version control and static analysis, ability to validate AI-assisted firmware outputs.
CoPilot, Claude, ChatGPT, Oscilloscope, DMM, C, version control systems, defect tracking systems, static source code analysis
1mo
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Project Engineer Intern
Dupo, Illinois, United States
HybridMultiple Commitments Available
The Goley Companies
The Goley Companies: Provides professional insulation and building performance solutions for properties.
0+ YOECurrently pursuing a Bachelor's in Construction Management or related field; interest in preconstruction/estimating; blueprint reading; detail-oriented; strong communication and teamwork.
PlanSwift, Excel, Outlook, Adobe PDF
1mo
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Material Planning and Inventory Intern
St. Louis or Knoxville
HybridInternship, Full Time
Emerson
EmersonNYSE: EMR: Engineering industrial automation and software solutions for global industries.
Enrolled college student (junior/senior/graduate) pursuing business, supply chain, engineering or equivalent; legal U.S. work authorization required; coursework or experience with ERP/MRP and data analysis preferred.
ERP, MRP
1mo
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Mechanical Engineer Co-op/Intern
St. Louis, Missouri, United States
OnsitePart Time, Internship
Nidec
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
Currently enrolled in a Bachelor’s or Master’s in Mechanical, Electrical, or related field; familiarity with Creo/CAD and Microsoft Office; strong data analysis, organizational, and communication skills.
Creo, CAD, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
1w
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Performance Engineer Intern, Systems Software- Fall 2026
St. Louis, Missouri, United States
$20-$71/hr OnsiteFull Time, Internship
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
Enrolled in a Bachelor's in CS/CE/SE or related; experience with Python and Linux; familiarity with ML lifecycle; teamwork and CS fundamentals; interest in performance benchmarking and containers.
Python, Linux, PyTorch, CUDA, cuOPT, CUTLASS, cuDNN, Kubernetes, Slurm
3w
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DevOps Engineer Intern
Saint Louis, Missouri, United States
OnsiteFull Time, Internship
Delta Dental of Missouri
Delta Dental of Missouri: Provides dental and vision insurance plans and provider networks.
Currently pursuing or recently completed degree in CS/Engineering; familiarity with Agile/DevOps, basic programming (Python, C#, Java, JavaScript), Git, Jira, CI/CD, Azure, MLOps; strong analytical and communication skills.
Microsoft Azure, Azure DevOps, Python, C#, Java, JavaScript, Git, Jira, Jenkins, Docker, Kubernetes, Selenium, MLOps
2mo
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Project Manager I, II, III - Planning & Programming Engineer
Creve Coeur, Missouri, United States
OnsiteFull Time
St. Louis County
St. Louis County: Provides essential public services and governance for St. Louis County.
Bachelor's degree in Civil Engineering or related field; FE exam and Engineering Intern for II; Registered Professional Engineer or related certification for III; GIS and transportation planning software proficiency.
ArcGIS, MicroStation, OpenRoads, Autoturn, Synchro, Microsoft Excel
1mo
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Experienced Systems Engineer - Product Owner
Hazelwood, Missouri, United States
$112k-$152k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEBachelors degree; 5+ years systems engineering; 3+ years stakeholder/relationship work; 3+ years leading projects or teams; US Secret clearance eligibility; 100% onsite in Hazelwood, MO; domestic/international travel.
MBSE, Earned Value Management, Agile, Model Based Systems Engineering

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