58 intern engineering jobs at 25 companies in Weldon Spring, MO

2w
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Engineering Intern - Transmission Line
St. Louis, Missouri, United States
OnsiteInternship, Full Time
Quanta Services
Quanta ServicesNYSE: PWR: Provides engineering and construction for energy and utility infrastructure.
Pursuing a Bachelor’s in Civil, Mechanical or Structural Engineering (ABET); familiarity with AutoCAD, MicroStation, ArcGIS, or PLS-CADD; basic knowledge of NESC/IEEE/ANSI/IBC; strong communication and teamwork.
PLS-CADD, AutoCAD, MicroStation, ArcGIS
3w
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MECHANICAL ENGINEERING INTERN (Fall Semester Position)
Sauget or St. Louis
$20-$22/hr OnsiteMultiple Commitments Available
Filtration Group
Filtration Group: Manufactures high-performance air and liquid filtration systems.
Undergraduate engineering student (sophomore-junior-senior) with SolidWorks and Microsoft Excel experience, strong mechanical design skills, communication, and ability to manage multiple projects.
SolidWorks, Microsoft Excel, ERP
2d
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Aviation Civil Intern
Kansas City or St. Louis
OnsiteInternship
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
Currently enrolled in an undergraduate or graduate engineering program with attention to detail, problem-solving and communication skills, and basic Microsoft Office skills.
Microsoft Office
2d
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Aviation Civil Intern
Kansas City or St. Louis
OnsiteFull Time, Temporary
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Currently enrolled in an undergraduate or graduate engineering program with attention to detail, problem-solving and communication skills, and basic Microsoft Office skills; 2 years completed and 3.0+ GPA preferred.
Microsoft Office
1mo
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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%.
1mo
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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%.
1mo
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Intern - AI/ML Data Engineering - Onsite - St. Louis
Saint Louis, Missouri, United States
OnsitePart Time, Internship
Core & Main
Core & MainNYSE: CNM: Distributes products for water, wastewater, and fire protection infrastructure.
Currently pursuing a Bachelor's or Master's in CS, Data Science, Engineering, Math or related; basic programming (Python preferred); foundational statistics/ML and data analysis knowledge; exposure to SQL, Python libraries, cloud platforms, and Git; ≤2 years professional experience preferred.
Python, Pandas, NumPy, scikit-learn, PySpark, SQL, Microsoft Azure, Copilot Agents, Microsoft Power BI, Tableau, Git
6d
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Boeing Summer 2027 Internship Program (Paid) - Facilities Engineering
Everett or Heath or Seal Beach or Huntington Beach or Long Beach or Hazelwood or Arlington or Ridley Park or Renton or Mesa or North Charleston
$45k-$90k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Must be enrolled student available full-time for 10–12 week Summer 2027 internship in a core engineering/applied sciences discipline; US Person required; strong academics and teamwork skills preferred.
AutoCAD
6d
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Boeing Summer 2027 Internship Program (Paid) - Facilities Engineering
Everett or Heath or Seal Beach or Huntington Beach or Long Beach or Hazelwood or Arlington or Ridley Park or Renton or Mesa or North Charleston
$45k-$90k/yr OnsiteFull Time, Internship
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Enrolled student in engineering/applied sciences with expected graduation on/after Aug 2027; available full-time 10–12 weeks Summer 2027; US Person required; strong academic performance and teamwork; AutoCAD and facilities knowledge preferred.
AutoCAD
2d
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Systems Engineer Intern
Bridgeton or St. Louis or Illinois
$41k-$53k/yr OnsiteMultiple Commitments Available
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
High school diploma or GED and current enrollment as a junior or above in a bachelor's engineering, mathematics, physics, or equivalent program; analytical, communication, interpersonal, and MATLAB or Simulink skills desired.
MATLAB, Simulink, Microsoft Office
2d
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Continuous Improvement Intern (70036)
Troy, Illinois, United States
$22-$35/hr OnsiteInternship
Eaton
EatonNYSE: ETN: Manages electrical, hydraulic, and mechanical power systems globally.
Engineering student entering junior year or higher with minimum 2.75 GPA, U.S. work authorization without sponsorship, and residence within 50 miles of the Troy plant.
Microsoft Excel, Microsoft PowerPoint, IoT, smart sensors, data analytics, automation, 5S, value stream mapping, TPM
2d
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DERMS Co-Op/Intern
St. Louis or Illinois
$21-$30/hr HybridFull Time, Internship
Ameren
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
Currently pursuing a bachelor's or master's degree in computer science, electrical engineering, or a related computer field; minimum 2.5 GPA.
DERMS, cloud, on-premise, logs
1mo
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Designer/Drafter Intern
Fairview Heights, Illinois, United States
$20-$25/hr OnsiteMultiple Commitments Available
Schweitzer Engineering Laboratories
Schweitzer Engineering Laboratories: Manufactures digital systems that protect and automate power grids.
Current university student pursuing CAD/Electrical Design/Drafting; competence in AutoCAD and/or MicroStation; strong writing, documentation, and speaking skills; ability to learn and work cooperatively; must complete assigned work on schedule and assist with relay rack construction/testing.
CAD, AutoCAD, MicroStation
2w
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Intern Engineer - Summer 2027 - Central Division (For Current/Former HNTB Interns Only)
Austin or Baton Rouge or Dallas or Des Moines or El Paso or Fort Worth or Houston or Kansas City or Little Rock or New Orleans or Oklahoma City or Overland Park or Plano or Round Rock or San Antonio or St. Louis
OnsiteFull Time
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
High school diploma/GED plus current enrollment in an accredited engineering program. Basic engineering/math skills, Microsoft Office proficiency, ability to perform basic calculations and prepare shop drawings.
Microsoft Office
3w
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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
2d
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DERMS Co-Op/Intern
St. Louis or Illinois
$21-$30/hr HybridFull Time, Internship
Ameren
AmerenNYSE: AEE: Provides electric and natural gas utility services in the Midwest.
Currently pursuing a bachelor's or master's degree in computer science, electrical engineering, or a computer-related field; minimum 2.5 GPA.
DERMS, Cloud, Runbooks
1w
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Internship Application - Summer 2027
St. Louis, Missouri, United States
HybridInternship, Seasonal
Nooter/Eriksen
Nooter/Eriksen: Designs and manufactures heat recovery steam generators and boilers.
Must have completed three years toward a BS in engineering, basic engineering fundamentals, ability to read technical drawings, strong communication and teamwork skills.
2mo
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Field Engineer
Saint Louis, Missouri, United States
$62k-$87k/yr OnsiteFull Time
Terracon
Terracon: Provides geotechnical, environmental, construction, and facilities engineering services.
Bachelor’s degree in Engineering; valid driver’s license; Engineer-in-Training (EIT) or Engineering Intern (EI) preferred.
1mo
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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
1w
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Electrician Technician Intern
Berkeley, Missouri, United States
OnsiteInternship
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
Enrollment or recent completion in electrical/electrical engineering field; basic electrical theory, safety practices, driver\u0002s license, physical ability, and willingness to learn hands-on electrical installation, maintenance, and troubleshooting.
multimeters, ammeters, voltage testers, facility management systems

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