24 engineering internship jobs at 18 companies in Windsor, CO

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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
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.
1w
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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
1mo
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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
1mo
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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
2w
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2026-2027 Facilities Engineering Chemical Engineering Intern
Houston or Bakersfield or Belle Chasse or Midland or Geismar or El Segundo or Pasadena or Pascagoula or Covington or Salt Lake City or Richmond or Ames or Greeley
$28/hr OnsiteInternship, Full Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Pursuing bachelor's or master's in chemical engineering; strong academics, communication, teamwork, problem-solving; ability to demonstrate Chevron Way.
1w
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Civil Engineering Intern
Fort Collins, Colorado, United States
$27-$29/hr OnsiteInternship
Kimley-Horn
Kimley-Horn: Provides professional planning, engineering, and design consulting services.
Enrolled in an ABET-accredited bachelor's or master's engineering program; ability to use civil design software; collaborate with project teams and learn regulations and standards.
AutoCAD, Revit, Civil 3D, Microsoft Excel, Microstation, VISSIM, Open Roads, Synchro, GIS
1mo
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Graduate (Year-Round) Internship – Digital Twin Development for Biorefinery Processes
Golden or Boulder or Washington
$45k-$71k/yr OnsiteInternship, Full Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Graduate-level internship requiring programming in Python or C++, experience modeling chemical reactors (Cantera) and integrating CFD, GPA ≥3.0, enrolled or recently completed relevant degree in computational/engineering/physical/biological sciences.
Python, C++, Cantera, CFD, Aspen Plus, AnyLogic, TwinCAT, Siemens Xcelerator
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
1mo
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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
1w
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
1mo
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Mechanical Design Engineer I
Thornton, Colorado, United States
$75k-$85k/yr OnsiteFull Time
Forge Nano
Forge Nano: Manufactures precision nano-coating equipment and advanced battery materials.
0+ YOEBachelor's in mechanical engineering, 0–2 years experience (internships/co-ops acceptable). Proficient in CAD (SolidWorks, AutoCAD), DFM/DFA, GD&T basics, BOM and documentation, strong problem-solving and teamwork skills.
SolidWorks, AutoCAD, PDM/PLM
1mo
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Guidance, Navigation, & Control (GNC) Engineer II
Westminster, Colorado, United States
$113k-$136k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
2+ YOEMS or PhD in Aerospace Engineering required, 2+ years internship/research/industry experience in satellite attitude and orbit systems, expertise in attitude estimation/guidance/control, Python and C++ fluency, familiarity with STK/Basilisk/GMAT/FreeFlyer, US export-eligibility required.
STK, Basilisk, GMAT, FreeFlyer, Python, C++
2mo
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General Interest Application
Lafayette, Colorado, United States
$30k-$180k/yr OnsiteAll Commitments Available
Stridar
Stridar: Manufacturer of modular unmanned ground vehicles for field operations.
No specific qualifications listed; open to full-time, part-time, contract, or internship opportunities.
2mo
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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
2mo
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Professional Engineer - Structural
Cheyenne, Wyoming, United States
HybridAll Commitments Available
Martin/Martin
Martin/Martin: Provides structural and civil engineering services for building projects.
4+ YOERegistered Professional Engineer with BS +4y (or MS +3y) in civil/structural engineering; US work eligibility; able to work in Cheyenne, WY; relocation possible.
AutoDesk Revit
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
1w
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Intern - Traffic
Fort Collins, Colorado, United States
$16-$20/hr OnsitePart Time, Internship
City of Fort Collins
City of Fort Collins: Providing municipal governance and public services for residents.
Current engineering student or recent graduate; knowledge/interest in traffic engineering; ability to collect field traffic data, operate counting equipment, enter crash data, create GIS maps; valid driver's license; ability to lift up to 50 lbs.
Microsoft Excel, Microsoft Access, Arc View, Crash Magic
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
1mo
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DoW Skillbridge - Senior Program Manager
Berthoud, Colorado, United States
$125k-$160k/yr OnsiteInternship
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
8+ YOEDoW Skillbridge internship for transitioning active-duty service members (within 180 days of retirement) with Command approval. Requires Bachelor's in Aerospace or Mechanical Engineering, 8+ years program management/aerospace leadership, eligibility for U.S. security clearance, and ability to work subject to ITAR/EAR.