59 intern engineering jobs at 44 companies in Missouri
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Engineering Intern
St. Louis, Missouri, United States
OnsiteInternship, Full Time
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.
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.
Kimley-Horn: Full-service consulting firm providing engineering, planning, and design services.
Pursuing an ABET-accredited bachelor's or master's in engineering (civil or related), familiarity or willingness to learn civil software, and strong teamwork and problem-solving skills.
AutoCAD, Revit, Civil 3D, Microsoft Excel, Microstation, VISSIM, Open Roads, Synchro, GIS
ProEnergy: Manufacturer and service provider for aeroderivative power generation equipment.
Enrolled in undergraduate Mechanical or Aerospace Engineering (junior/senior by summer), strong analytical and communication skills, fluent English, US work authorization, drug screen/background check required.
DucommunNYSE: DCO: Manufactures structural and electronic systems for aerospace and defense.
Enrolled or soon-to-graduate BS in Mechanical, Electrical, or Manufacturing Engineering or Engineering Technology; CAD/CAM and Lean manufacturing exposure; strong communication and Microsoft Office skills.
AutoCAD, Mechanical Desktop, Inventor, Virtual Gibbs, Microsoft Office, Microsoft Project
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%.
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%.
Burns & McDonnell: Engineering, architecture, and construction services for global infrastructure.
Currently enrolled in a civil/structural engineering Bachelor's or Master's program, available full-time for Fall 2026 co-op; 3.0 GPA preferred; MS Office proficiency; strong communication, problem-solving and leadership; US work authorization required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
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/yrOnsiteFull Time
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.
Thornton Tomasetti: Provides structural engineering and scientific consulting for the built environment.
Current undergraduate/graduate student in civil/structural/architectural engineering; strong academic record; familiarity with structural analysis tools and BIM workflows.
Spartan Light Metal Products: Manufacturing that specializes in die casting for the automotive industry.
Maintenance internship focusing on Lean and Continuous Improvement; 8-12 weeks; eligibility includes U.S. work authorization, full-time student status, GPA 2.5+; drug test required.
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.
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.
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.
EquipmentShareNasdaq: EQPT: Provides construction equipment rentals and cloud-based fleet management technology.
Pursuing a Bachelor's or Master's in data/engineering/CS or related; basic Excel, Python or R experience, SQL or willingness to learn; strong analytical, communication, and data-cleaning skills. Availability Monday–Friday 8am–5pm Summer 2026.
Pursuing a bachelor’s or master’s degree in computer science, information systems, engineering, mathematics/statistics or related field; interest/experience in blockchain and digital assets; strong analytical and communication skills; ability to work independently and with cross-functional teams.
WiproNYSE: WIT: Global technology services and consulting for digital transformation.
Experience in project engineering or analyst roles; knowledge of cost/schedule metrics, risk management (QRAMs), resource-loaded networks (RLNs), IT governance, WBS/project planning, resource allocation/tracking, and hands-on end-user experience with open source technologies; strong written and verbal communication.