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440 internship jobs at 243 companies in Centennial, CO

2mo
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Clinical Internship
Castle Rock, Colorado, United States
OnsiteInternship
Sandstone Care
Sandstone Care: Provides age-specific mental health and substance use treatment services.
Currently enrolled in a master's program in counseling or social work; able to commit 15-20 hours/week including one evening; unpaid internship.
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2mo
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College Internship Program - The Performance Den
Denver, Colorado, United States
OnsiteInternship, Temporary
TPH Academy
TPH Academy: Provides integrated academic and athletic training for student-athletes.
0+ YOECollege juniors/seniors in Exercise Science or related field; unpaid internship for academic credit; semester-long; Denver-based.
Hawkins Dynamics Force Plates
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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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3mo
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Spring 2027 Start Dietitian Internship
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
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.
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2mo
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Clinical Internship
Castle Rock, Colorado, United States
OnsiteInternship
Sandstone Care
Sandstone Care: Treatment for mental health and substance use disorders.
Enrolled in a master's program in counseling or social work; 15-20 hours/week including at least one evening; unpaid internship; opportunity to continue practicum hours.
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3w
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Communications & Volunteerism Internship
Denver, Colorado, United States
OnsiteInternship
Laradon
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.
Facebook, Instagram, TikTok, LinkedIn, YouTube
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1mo
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2027 Commercial Banking Summer Internship – Early Careers (CA/CO)
Los Angeles or San Francisco or San Diego or Denver
$34-$52/hr OnsiteFull Time, Internship
Wells Fargo
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
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3d
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MSW Internship
Broomfield, Colorado, United States
OnsiteInternship
City and County of Broomfield
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.
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1w
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Fall (2026) 3L Student Practice Act Internship (Centennial, CO, US, 80111)
Centennial, Colorado, United States
$21/hr OnsiteTemporary
Arapahoe County
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.
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3mo
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TEMPORARY/INTERNSHIP Property Technician – Area 5
Denver, Colorado, United States
$20/hr OnsiteTemporary
State of Colorado
State of Colorado: Provides essential public services and administrative governance to residents.
Temporary internship Property Technician; outdoor work in Denver area; valid driver’s license; ability to lift up to 50 lbs; operate heavy equipment; background check required.
Heavy equipment, Tractors, Mowers, Power tools, Trailer handling
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4d
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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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5d
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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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3w
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Investment Banking Analyst Internship | Summer 2027 (CO)
Denver, Colorado, United States
$30/hr OnsiteInternship, Full Time
FMI
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
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1mo
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Retail & Ecommerce Internship
Denver, Colorado, United States
HybridPart Time, Internship
CorePower Yoga
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).
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1w
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Work Based Learning and Internship Liaison (WFL11) Closing 7/28/2026
Aurora or Brighton or Commerce City or Lakewood or Thornton
$35k-$37k/yr OnsiteFull Time
GOAL High School
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.
Microsoft Office, Microsoft Teams
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1w
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Fleet Mechanic Internship
Denver, Colorado, United States
$19-$22/hr OnsitePart Time
City and County of Denver
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.
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1mo
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Behavioral Health Internship Opportunity
Lakewood, Colorado, United States
$20/hr FieldPart Time, Internship
Paragon Behavioral Health Connections
Paragon Behavioral Health Connections: Provides community-based mental health and substance use treatment services.
Must be a 2nd-year graduate student in Psychology, Social Work, or Human Services; commit 17–22 hrs/week for one year; work with diverse populations in community/in-home settings; receive clinical supervision toward licensure.
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1mo
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High School Internship Brush
Brush, Colorado, United States
$17/hr HybridMultiple Commitments Available
Banner Health
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.
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2w
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Internship Faculty Supervisor - BICC
Boulder, Colorado, United States
$1k-$2k/yr HybridPart Time
Naropa University
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.
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3w
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College Financial Representative, Internship Program
Englewood, Colorado, United States
$500-$1k/yr OnsiteInternship
Northwestern Mutual
Northwestern Mutual: Provides life insurance, wealth management, and financial planning services.
Full-time college student (juniors/seniors preferred), entrepreneurial and sales interest, campus involvement, time-management, interest in financial planning; support provided for insurance and securities licensing.
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