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125 intern engineering jobs at 68 companies in Thornton, CO

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ENGINEERING INTERN - TEMP
Boulder, Colorado, United States
$22-$25/hr OnsiteMultiple Commitments Available
The GEO Group
The GEO GroupNYSE: GEO: Operates private correctional facilities and community reentry programs.
Undergraduate Electrical Engineering student; experience with lab equipment, reading schematics, basic measurement tools, and electronic components; strong communication and willingness to learn.
oscilloscope, power supply, electronic load, multimeter, caliper, voltmeter, pressure regulator
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ENGINEERING INTERN - TEMP
Boulder, Colorado, United States
$22-$25/hr OnsiteFull Time, Internship
The GEO Group
The GEO GroupNYSE: GEO: Provides correctional, detention, and community reentry services.
Undergraduate electrical engineering student; experience with oscilloscopes, power supplies, electronic loads, multimeters, reading schematics, and basic electronic components; strong communication and willingness to learn.
oscilloscopes, power supplies, electronic loads, multimeters, calipers, voltmeters, pressure regulators, component evaluation boards
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1w
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Spring 2027 Engineering Intern - Undergraduate
Seattle or Van Horn or Huntsville or Denver or Brevard County or Los Angeles or Longmont
$32/hr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Undergraduate student (sophomore+), U.S. work-authorized, available full-time during internship, strong communication skills and passion for space; related coursework or hands-on engineering experience preferred.
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2mo
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2026-2027 Facilities Engineering Intern (Previous Intern)
Houston or Ames or Bakersfield or Belle Chasse or Covington or El Segundo or Geismar or Greeley or Midland or Pasadena or Pascagoula or Richmond or Salt Lake City
$28-$8k/mo OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Bachelor's or Master’s in Chemical Engineering; strong academics; leadership, teamwork, problem-solving; relocation possible.
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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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Engineering Controls Intern - Louisville, CO
Louisville, Colorado, United States
RemoteMultiple Commitments Available
Pigler Automation
Pigler Automation: An industrial automation specializing in control systems integration and engineering solutions for manufacturing and process industries.
0+ YOECurrently pursuing a Bachelor's or Master's in engineering/CS, strong attention to detail, independent worker with strong communication, interest in industrial automation; exposure to AutoCAD/ePlan, PLC/HMI/SCADA is a plus.
AutoCAD, ePlan, PLC, HMI, SCADA, virtual machine, server
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3w
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Material & Processes Engineering Intern
Littleton, Colorado, United States
$25/hr OnsiteIntern
Canopy Aerospace & Defense
Canopy Aerospace & Defense: Manufacturer of advanced thermal and signature-reducing aerospace materials.
Currently enrolled in relevant STEM degree; hands-on lab or research experience; strong materials science/chemistry foundation; programming in Python or MATLAB; materials characterization experience and technical writing skills.
Python, MATLAB, TGA, DSC, DMA, SEM
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3mo
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AI Engineering Intern
Boulder, Colorado, United States
$17-$25/hr OnsiteFull Time, Internship
TIFIN
TIFIN: AI platform for personalized wealth management and investment advice.
Pursuing or recently completed BS/MS in CS, engineering or related; strong Python; familiarity with machine learning/AI, APIs, and backend development via internships, coursework or research.
Python
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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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Architectural Intern
Denver, Colorado, United States
$75k-$95k/yr OnsiteFull Time
Knott Laboratory
Knott Laboratory: Forensic engineering and technical accident reconstruction services.
2+ YOE2+ years engineering/architecture or related experience, ABET-accredited bachelor's required, ability to perform field investigations, prepare technical reports, and design repair solutions.
Microsoft Office Suite, AutoCAD, Revit, Bluebeam
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Civil College Intern
Boulder 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 B.S. or M.S. in civil engineering, minimum 3.0 GPA, CAD skills encouraged, proficient with Microsoft Word and Excel, effective communicator.
CAD, Microsoft Word, Microsoft Excel
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2mo
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Manufacturing Engineer Intern
Louisville, Colorado, United States
$23-$37/hr OnsiteFull Time, Internship
H3X
H3X: Manufacturer of high power density electric motors for sustainable aviation.
0+ YOEPursuing a Mechanical Engineering degree; GPA 3.0+, hands-on assembly experience; SolidWorks; strong communication; detail-oriented; eager to learn.
SolidWorks
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Transportation Intern (Summer 2027)
Denver, Colorado, United States
OnsiteInternship
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
Currently enrolled in an undergraduate or graduate engineering program; attention to detail, problem-solving, communication skills; basic Microsoft Office proficiency.
Microsoft Office
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Transportation Intern (Summer 2027)
Denver, Colorado, United States
$23-$28/hr OnsiteFull Time, Temporary
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
Currently enrolled in an undergraduate or graduate engineering program; attention to detail, problem-solving and communication skills; basic Microsoft Office; preferred 2 years toward degree and 3.0+ GPA; knowledge of industry software.
Microsoft Office
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2mo
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Mission Operation Intern Fall 2026
Littleton or Long Beach
$25/hr OnsiteInternship
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
0.25+ YOEEnrolled in bachelor’s, master’s, or doctoral program in aerospace/aeronautical/mechanical/software engineering; 3+ months engineering experience; GPA 3.0+; proficient in Python, Linux, Git.
Python, Linux, Git
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Intern, BESS Design (Utility Scale Renewables)
Broomfield, Colorado, United States
$26/hr HybridPart Time
ENGIE
ENGIEEuronext Paris: ENGI: Produces and distributes electricity, gas, and renewable energy.
Currently a junior/senior pursuing a Bachelor’s in engineering or a graduate student; proficiency in AutoCAD; strong communication and analytical skills; experience with GIS, Microsoft Excel, VBA or Python is a plus.
AutoCAD, GIS, Microsoft Excel, VBA, Python
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Intern - Electronics Service (Fort Collins, CO, US, 80525)
Fort Collins, Colorado, United States
$20-$22/hr OnsiteInternship
Advanced Energy
Advanced EnergyNasdaq: AEIS: Provides precision power conversion and control technology solutions.
0+ YOEPursuing an associate degree or certificate in Electronics Technology; part-time internship; willingness to learn repair, test, and troubleshoot electronics.
torque drivers, soldering irons, hand tools, hydraulic presses, ovens, lifting systems, chemical baths, electronic testing equipment
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2mo
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Summer Intern - Wind Development
Louisville, Colorado, United States
OnsiteInternship
AES
AESNYSE: AES: Provides electricity and renewable energy solutions globally.
Pursuing a bachelor’s or master’s degree; strong analytical and communication skills; proficient in Excel; attention to detail; GIS/Power BI preferred.
Microsoft Excel, Power BI, GIS
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Summer 2027 - Software Engineering Internship
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hr OnsiteInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Currently pursuing a Bachelor's or Master's in a technical field, experience with one or more programming languages (C,C++,Python,Java,Go,SQL,JavaScript), strong problem-solving and communication skills.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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Senior Manager, Engineering - Platform Security
Denver or New York City or San Francisco
$228k-$274k/yr HybridFull Time
Fastly
FastlyNYSE: FSLY: Provides edge cloud platform for content delivery and cybersecurity.
4+ YOE4+ Mgmt4+ years managing Platform or Site Reliability Engineering teams; 10+ years distributed systems; experience with secrets/workload identity; large-scale production infra in cloud and on-prem; Linux internals; Python or Go a plus.
Kubernetes, PKI, Chef, Python, Go, Terraform, HashiCorp Vault, SPIFFE, SPIRE, Linux
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