503 internship jobs at 264 companies in Westminster, CO
3d
Save
Mark Applied
Hide
3d
Internship
Boston or Denver
OnsiteInternship
Fund for the Public Interest: Non-profit organization managing grassroots canvassing and fundraising campaigns.
Undergraduate or graduate students with strong commitment to public interest, research and writing skills; able to analyze public datasets, perform GIS and literature reviews, conduct interviews, and produce publishable articles.
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.
Oconomowoc or Seattle or Bellevue or Sheboygan or Miami or Philadelphia or Eden Prairie or Kenosha or Madison or West Allis or Brown Deer or Appleton or St. Paul or Woodbury or Hinsdale or Denver or Nashville or Atlanta or Tampa or Skokie
OnsitePart Time
Rogers Behavioral Health: Provides specialized mental health and addiction treatment services.
Bachelor's degree completed; enrolled in Master’s in Dietetics; onboarding and safety trainings; background checks; health clearance; training for aggressive patient management.
Uline: Distributes shipping, industrial, and packaging materials across North America.
College sophomore or junior status, professional communication and presentation skills, hardworking team player, ability to engage customers in person.
Laradon: Provides education and support for individuals with developmental disabilities.
Must be able to receive school credit, commit to two in-office days/week, complete a minimum 3-month internship; portfolio or social media/writing samples preferred; majors in marketing/communications/media preferred.
2027 Commercial Banking Summer Internship – Early Careers (CA/CO)
Los Angeles or San Francisco or San Diego or Denver
$34-$52/hrOnsiteFull Time, Internship
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
0.5+ YOE6+ months of experience (or equivalent); currently pursuing a bachelor’s degree (preferred, expected graduation Dec 2027–Jun 2028); strong analytical, communication, and organizational skills; intermediate Microsoft Office; familiarity with AI productivity tools; must be authorized to work in the U.S. without sponsorship.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Copilot
Internship - Marketing & Communication Specialist Internship
Denver, Colorado, United States
HybridMultiple Commitments Available
State of Colorado: Provides essential public services and administrative governance to residents.
Open to Colorado residents who are current students or recent graduates; must provide transcripts, resume and cover letter; experience or coursework in social media analytics, content creation, digital marketing, and community engagement preferred; background check required.
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.
Working toward a 4-year or graduate degree; proficiency in Microsoft Office and Google Sheets; familiar with social media; ability to work event-driven schedule including weekends/evenings/holidays; housing/transportation in Northern Colorado required.
AXS Back Office, Salesforce CRM, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Google Sheets, Facebook, Twitter, Instagram, YouTube
Fall (2026) 3L Student Practice Act Internship (Centennial, CO, US, 80111)
Centennial, Colorado, United States
$21/hrOnsiteTemporary
Arapahoe County: Provides essential public administration and services to Colorado residents.
Must be a law student eligible under the Student Practice Act, pass MVR and background check, obtain Colorado Class R driver’s license or ability to get one, and demonstrate courtroom advocacy and legal research skills.
FMI: Provides consulting and investment banking for the built environment.
Penultimate-year undergraduate seeking full-time summer internship; strong quantitative, research, communication skills; proficiency in Microsoft Word, PowerPoint, Excel; coursework in business/finance/accounting.
Microsoft Word, Microsoft PowerPoint, Microsoft Excel
Maxx Properties: Owns and manages multifamily apartment communities across the United States.
Some college coursework in business, HR, or a related field; Microsoft Office proficiency; strong organizational and communication skills. Preferred: Canva, AI video, Microsoft Forms, video editing, and AI productivity tools experience.
Microsoft Office, Canva, Microsoft Forms, ChatGPT, Claude, Lovable, Learning Management System (LMS)
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
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
CorePower Yoga: Operates a national chain of yoga and fitness studios.
Interest in retail/merchandising/ecommerce or brand strategy; creative and analytical mindset; strategic and executional ability; self-starter; able to work hybrid schedule (Denver HQ, studios, remote).
City and County of Denver: Provides municipal services and infrastructure for the Denver community.
Currently enrolled in a diesel mechanics or trades program; valid driver's license; experience with hand and power tools; ability to use computerized vehicle diagnostic tools; desire to learn; no prior experience required.
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.
NutrienNew York Stock Exchange: NTR: Produces and sells fertilizers, seeds, and agricultural crop inputs.
Working toward a bachelor’s in accounting; perform day-to-day accounting, month-end close, journal entries, reconciliations, prepare financial reports, and provide financial analysis; time management and willingness to learn.