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20 mechanical engineer intern jobs at 9 companies in Denver, CO

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Mechanical Engineer II
Greenwood Village, Colorado, United States
$88k-$113k/yr HybridFull Time
Merrick & Company
Merrick & Company: Employee-owned firm providing engineering, architecture, and geospatial solutions.
4+ YOEMechanical engineer with 4+ years, PE preferred; experience in mechanical building design (HVAC, plumbing/process, fire protection, controls); Proficient in REVIT/AutoCAD; willingness for travel and possible international assignments.
REVIT, AutoCAD
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Mechanical Engineering Intern (Fall 2026)
Golden, Colorado, United States
OnsiteFull Time, Internship
Rendezvous Robotics
Rendezvous Robotics: Develops self-assembling modular tiles for in-space infrastructure.
Pursuing a degree in mechanical/aerospace engineering or related field; proficiency in CAD; understanding of structural and thermal analysis; U.S. export-eligibility per ITAR.
Onshape, NX, SolidWorks, Fusion 360, NX Simcenter3D, FEMAP, ANSYS
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1mo
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2026-2027 Facilities Engineering Mechanical Engineering Intern
Houston or Bakersfield or Belle Chasse or North Salt Lake or Midland or Geismar or El Segundo or Pasadena or Pascagoula or Covington or Richmond or Ames or Greeley or Salt Lake City
$28-$52/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing BS/MS in mechanical engineering, strong academics, communication, teamwork and problem-solving; ability to demonstrate Chevron Way.
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2026 Intern Conversion - Industrial Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or California or Colorado or Washington or Virginia
$69k-$105k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, and holds a minimum B.S. in mechanical, aerospace, or astronautical engineering; U.S. work authorization required.
Defense Biometric Identification System (DBIDS)
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Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Enrolled in BS/MS engineering (biomedical, mechanical, electrical, industrial, materials, computer or related) with expected graduation 2027–2029; U.S. work authorization required; minimum 3.0 GPA preferred; prior engineering coursework/projects preferred.
CAD
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Environmental College Intern
Boulder or Cheyenne or Denver or Fort Collins
$23-$25/hr OnsiteFull Time
JVA
JVA: Consulting firm providing structural, civil, and environmental engineering services.
Upper-level student pursuing BS or MS in environmental or civil engineering, minimum 3.0 GPA, exposure to fluid mechanics and water/wastewater treatment, proficient in Microsoft Word and Excel, effective communication skills.
Microsoft Word, Microsoft Excel
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Sales Engineer
Westminster, Colorado, United States
$110k-$132k/yr OnsiteFull Time
Advanced Technology Group
Advanced Technology Group: Designs and manufactures high-precision nuclear containment systems.
5+ YOEBachelor’s in Mechanical, Manufacturing, or Systems Engineering; 5+ years; B2B estimating/sales; CAD experience; travel up to 50% domestically, some international.
SolidWorks, Pro/E, AutoCAD, CAD
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Controls Technician Intern
Littleton, Colorado, United States
$24-$28/hr FieldInternship
LONG Building Technologies
LONG Building Technologies: Provides commercial HVAC, building automation, and security solutions.
Must be 18+, legally able to drive a company vehicle, and able to interpret mechanical plans, troubleshoot software and integrations, handle physical jobsite work, and travel to jobsites.
HVAC, building automation, control systems, energy management
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Engineering Internship Summer 2026
Loveland, Colorado, United States
$16-$20/hr OnsiteInternship
Enthusiast Auto Holdings
Enthusiast Auto Holdings: Direct-to-consumer e-commerce retailer of specialty performance automotive parts.
Pursuing a bachelor's in mechanical engineering or related field; CAD proficiency (SolidWorks/CATIA), welding experience (MIG/TIG), strong analytical and communication skills; independent and team work capability.
SolidWorks, CATIA, NetSuite, Salesforce
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Generator Technician
Denver, Colorado, United States
$20-$25/hr FieldFull Time
Charleston Electric and Air
Charleston Electric and Air: Electrical and HVAC installation and repair services provider.
3+ YOE3+ years mechanical experience, strong knowledge of internal combustion engines and electrical systems, ability to lift 50 lbs, team leadership and technical documentation skills, ability to read service manuals.
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