25 engineer internship jobs at 17 companies in Windsor, CO
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Graduate (Year-Round) Internship – Digital Twin Development for Biorefinery Processes
Golden or Boulder or Washington
$45k-$71k/yrOnsiteInternship, Full Time
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.
Associate Systems Engineer - Mission Architecture and Systems Engineering
Westminster, Colorado, United States
$86k-$127k/yrOnsiteFull Time
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
Aerospace Systems Engineer I – Early Career (2026 Starts)
Kent or Seattle or Denver or Longmont or Reston or Cape Canaveral
$75k-$114k/yrOnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEBS in engineering or technical field (recent grads eligible, start by Fall 2026); experience or internships in systems/aerospace/mechanical/electrical engineering; requirements development, test, integration, and verification skills; strong communication.
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.
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.
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.
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$34-$47/hrHybridInternship
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEEarly-career candidates pursuing or holding technical degrees in engineering or related fields; experience via coursework, internships, projects; familiarity with programming, embedded systems, digital logic, or hardware design; strong analytical and communication skills.
2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yrHybridInternship
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).
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/hrOnsiteInternship, Full Time
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.
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
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.
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
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
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/hrOnsiteFull Time
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.
Product Marketing Manager, AI Solutions – Higher Education & Research
Fort Collins or Palo Alto
$93k-$144k/yrOnsiteFull Time
HPNYSE: HPQ: Manufacturer of personal computers, printers, and imaging devices.
Bachelor's in computer science/engineering or related, internship or project experience in product marketing, foundational AI/data science understanding, ability to translate technical concepts into messaging, strong analytical and collaboration skills.
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.
Product Marketing Manager, AI Solutions – Higher Education & Research
Fort Collins or Palo Alto
$93k-$144k/yrOnsiteFull Time
HPNYSE: HPQ: Manufactures personal computers, printers, and 3D printing hardware.
Bachelor's in Computer Science, Engineering, or related field required; internship or project experience in product marketing; foundational AI and technical infrastructure knowledge; ability to translate technical concepts into clear messaging; strong analytical and collaborative skills.
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.