206 internship jobs at 121 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.
City and County of Broomfield: Local government providing public services to the Broomfield community.
Enrollment in an MSW program, must be 21+, valid driver's license and safe driving record, able to respond within one hour for on-call duty, bilingual English/Spanish preferred, background check and required Colorado child welfare/adult protection trainings.
Utica Comets: Professional American Hockey League team based in Utica, New York.
Currently enrolled college student able to obtain school credit; available for ~90% of games including nights, weekends, and holidays; able to walk/stand long periods and lift up to 50 lbs; reliable transportation; strong communication skills.
Work Based Learning and Internship Liaison (WFL11) Closing 7/28/2026
Aurora or Brighton or Commerce City or Lakewood or Thornton
$35k-$37k/yrOnsiteFull Time
GOAL High School: Provides blended online and in-person high school education.
2+ YOEMust reside in Colorado and possess a driver\u0002s license; 2+ years youth development or community outreach experience; proficient with Microsoft Office and Teams; ability to travel regionally and transport students.
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.
Banner Health: Non-profit integrated healthcare system providing medical and insurance services.
Current high school senior in Colorado pursuing a healthcare career; effective verbal and written communication; general knowledge related to assigned department; available for 20 hrs/week for 10 weeks; must be located in Colorado.
Naropa University: Private liberal arts university focused on contemplative education.
2+ YOEMaster's in counseling or related field, licensed or pursuing licensure (Professional Counselor or equivalent), Approved Clinical Supervisor or supervisor training, 2+ years post-graduate clinical experience, strong supervision and group facilitation skills.
College Financial Representative, Internship Program
Fort Collins, Colorado, United States
$500-$1k/yrOnsiteInternship
Northwestern Mutual: Provides life insurance, wealth management, and financial planning services.
Full-time college student (juniors/seniors preferred), entrepreneurial and sales interest, campus involvement, strong time-management, interest in financial planning, and willingness to pursue insurance and securities registrations.
Advanced Space: Provides mission design and navigation software for space missions.
Pursuing undergraduate or graduate degree in law, legal studies, business, public policy, or related field; strong analytical writing; basic risk assessment and project management experience; U.S. Person required; able to work onsite in Westminster, CO.
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hrOnsiteInternship
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
Columbia or Fort Collins or San Antonio or La Mesa or Austin
$75k/yrOnsiteFull Time
Thrive Pet Healthcare: Operates a network of veterinary hospitals and pet clinics.
Eligibility to obtain a U.S. veterinary license; new graduates welcome; supervised emergency medicine training; clinical and surgical competency development expected.
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).
Fleet Technician Internship - Denver International Airport
Denver, Colorado, United States
$19-$22/hrOnsitePart Time, Internship
City and County of Denver: Provides municipal services and infrastructure for the Denver community.
Current enrollment in a trades/vocational program or recent graduate, valid Driver's License, FBI background check required, some mechanical interest/skills; ASE certification a plus.
2026-27 Student Worker-Aviation Drone Internship-Poudre High School (2 positions available)
Fort Collins, Colorado, United States
$15/hrOnsitePart Time, Temporary
Poudre School District: Provides K-12 public education and student support services in Colorado.
Must hold FAA Part 107 commercial sUAS certification, have minimum 20 logged sUAS flight hours, pass a flight skills test, document flights, and be able to learn and use Hudl; work authorization required.
Bachelor Level Intern – Behavior & Supported Living Services (SLS)
Thornton, Colorado, United States
OnsiteInternship
Sample Supports: Provides community-based support for individuals with developmental disabilities.
0+ YOEBachelor-level internship in psychology, social work, human services, behavioral health, or related fields; hands-on behavioral support under supervision.
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Internship requiring communication, negotiation, contract review, title research, planning, teamwork, and willingness to learn within upstream/downstream land teams.
Vertikle Enterprises: Operates outpatient clinics providing physical therapy and medical services.
Graduate of an accredited PTA program, current Wyoming PTA license or eligibility, completion of clinical internships, strong communication, documentation, and patient-centered care skills.
National Veterinary Associates: Operates a network of veterinary hospitals and pet resorts.
Experienced ER veterinarians or internship-trained doctors; comfortable with rotating day/swing/night shifts; collaborative team-oriented; support mentorship and professional development.
Volunteers of America Northern Rockies: Provides human services including mental health, addiction, and housing support.
Provide supervised clinical services, attend weekly supervision, conduct intakes and treatment planning (master's level), document case records, coordinate with providers; master’s interns must have a bachelor’s degree and be enrolled in a clinical internship.
Microsoft Office, Microsoft Outlook, Internet Explorer