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62 engineering internship jobs at 46 companies in Thornton, 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
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2w
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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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2w
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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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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
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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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4w
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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.
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3d
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Engineering Intern - Transmission Line
Lone Tree, Colorado, United States
$24/hr OnsiteInternship
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; ability to work ~40 hrs/week and participate in field data collection.
PLS-CADD, AutoCAD, MicroStation, ArcGIS
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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
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2w
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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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Materials Engineering Intern
Louisville, Colorado, United States
$25/hr OnsiteInternship, Part Time
Solid Power
Solid PowerNasdaq: SLDP: Designs and manufactures all-solid-state battery technology for vehicles.
Currently pursuing a bachelor's or master's degree in a related field; knowledge of materials characterization and safe laboratory practices; ability to work onsite and lift up to 50 pounds.
PPE, PAPRs
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1w
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Internship: Signal Design
Littleton, Colorado, United States
$25/hr OnsiteInternship
Stacy Witbeck
Stacy Witbeck: Full-service contractor specializing in heavy civil and transit infrastructure.
Pursuing a BS in Electrical/Electronic Engineering, Matlab/Python and Microsoft Office proficiency, Circuits coursework, strong analytical and communication skills, able to lift up to 25 lbs.
Matlab, Python, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Box, Smartsheet, PLC
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6d
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Software 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.
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
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2w
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Avionics and Electrical Engineering Fall Co-op
Denver or Long Beach
$28-$32/hr OnsiteInternship
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
Currently enrolled in a four-year electrical engineering program; strong circuit, digital logic, and analog skills; hands-on test-equipment experience; able to work full-time onsite for 20 consecutive weeks beginning Sep 2026; U.S. authorization required.
Altium, OrCAD, KiCAD, LTspice, PSpice, MATLAB/Simulink, Python, C, C++, oscilloscope, multimeter, logic analyzer, function generator, power supply
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1w
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Associate Systems Engineer - Mission Architecture and Systems Engineering
Westminster, Colorado, United States
$86k-$127k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
1+ YOEU.S. person required. Bachelor's in engineering or related,1–3 years experience or internship,fundamental systems engineering knowledge,requirements management and MBSE/SysML exposure,and strong written/verbal communication.
IBM DOORS Next, Jama Connect, Polarion, Cameo Systems Modeler, Enterprise Architect, MagicDraw, Ansys, STK, Git, Jira, Confluence, SysML, MBSE
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3w
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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).
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1w
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DOD Skillbridge Internship
Colorado Springs or Denver or Phoenix or San Antonio
OnsiteInternship
Matrix Design Group
Matrix Design Group: Providing civil engineering, urban planning, and environmental consulting services.
4+ YOEUndergraduate or graduate degree in engineering/architecture/operations research/data science, minimum 4 years related experience preferred, familiarity with DoD organization, strong writing and presentation skills, valid driver\u0002s license.
Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Power BI, Tableau
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6d
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Technical Graduate (Engineering/CX/Solutions)
Denver, Colorado, United States
$45k-$55k/yr HybridInternship
Bitmovin
Bitmovin: Provides cloud-based video infrastructure for digital media companies.
Early-career role for candidates with STEM or computer science background, strong problem-solving and communication skills, willingness to travel internationally, and interest in video technology.
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2mo
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Transmission Planning Engineer, or Staff, or Senior Engineer
Denver, Colorado, United States
$70k-$129k/yr HybridFull Time
Xcel Energy
Xcel EnergyNASDAQ: XEL: Provides electricity and natural gas services to multi-state customers.
0+ YOEBachelor's degree in Electrical Engineering or Physics; 0+ years experience; proficiency with power system planning tools; EIT/FE preferred; internship experience in power industry.
PSSE, PSLF, TARA, PSCAD, DSA Tools
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1mo
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Networking Systems Engineer I
Greenwood Village, Colorado, United States
$80k-$95k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
Bachelor's in a relevant technical field, early-career engineering experience or internship, understanding of networking concepts (Ethernet, IP, routing, switching), strong troubleshooting and communication skills, ability to work from engineering drawings and technical documents.
Python, MATLAB, Wireshark, Linux, Ethernet, TCP/IP, UDP, VLANs, MPLS, SNMP, NETCONF, YANG
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