• Spring / Summer 2026

    Noblis (Denver, CO)
    Responsibilities The Policy Directive Analysis Intern will support a nonprofit federal consulting firm by reviewing existing policy analyses and adapting them from a ... be part-time during the school semester with an opportunity to extend into our summer internship program which will be 40 hours a week. **Key Responsibilities** +… more
    Noblis (01/10/26)
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  • Intern /Co-op - Accounting ( Spring

    Marathon Petroleum Corporation (Denver, CO)
    …for employment visa sponsorship now or in the future. + Positions are available spring , summer , and fall semesters + Concurrent enrollment in a bachelors degree ... our people, and fosters a collaborative team environment. Responsibilities: As an intern , you will receive on-the-job training related to the dynamics of the… more
    Marathon Petroleum Corporation (01/08/26)
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  • Electrical Engineer Intern - Grid…

    Sargent & Lundy (Englewood, CO)
    Description This position has a target start date in summer 2026 . As an Electrical Engineering Intern , you will be assigned to work on a project team in our ... this position. Essential skills and experience: . An expected graduation date in Fall 2026 , Spring 2027, Fall 2027, or Spring 2028 with a Bachelor of Science… more
    Sargent & Lundy (01/09/26)
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  • Transmission & Distribution Engineer Intern

    Sargent & Lundy (Englewood, CO)
    Description This position has a target start date in summer 2026 . As an Associate Engineering Intern , you will be assigned to work on a project team in our ... Mechanical, or Electrical Engineering with an expected graduation date in Fall 2026 or Spring 2027 and a strong academic background. + Candidates pursuing other… more
    Sargent & Lundy (12/13/25)
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  • Intern /Co-op - Midstream Environmental…

    Marathon Petroleum Corporation (Denver, CO)
    …the future. + Availability to work 40 hours per week. + Positions are available Spring , Summer , and Fall semesters. + Availability for multiple work terms is ... Ohio, San Antonio, Texas Education: Employee Group: Full time Employee Subgroup: Intern Marathon Petroleum Company LP is an Equal Opportunity Employer and gives… more
    Marathon Petroleum Corporation (12/20/25)
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  • Intern /Co-op - Midstream Natural Gas…

    Marathon Petroleum Corporation (Denver, CO)
    …the future. + Availability to work 40 hours per week. + Positions are available Spring , Summer , and Fall semesters. + Availability for multiple work terms is ... West Union, West Virginia Education: Employee Group: Full time Employee Subgroup: Intern Marathon Petroleum Company LP is an Equal Opportunity Employer and gives… more
    Marathon Petroleum Corporation (12/04/25)
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  • IT Intern

    GeoStabilization International (Westminster, CO)
    …potential to launch a career with GSI. Program Details + Duration: 11 weeks ( Summer 2026 ) + Location: Hybrid from our Denver, CO headquarters (in-office ... and seeking engineering interns who want more than a summer job; this program is designed to develop future...or a related field. + Expected graduation in December 2026 or Spring 2027. + Minimum 3.0… more
    GeoStabilization International (12/19/25)
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  • Arborist Trainee Intern

    The Davey Tree Expert Company (Englewood, CO)
    …**Additional Locations:** None **Work Site:** On Site **Req ID:** 215495 **Position Overview** ** Spring - Summer 2026 Arborist Trainee Internship with Davey ... - We are currently looking for Internship candidates for Spring / Summer , 2026 **Job Duties** **What...us at ### or at** ###@davey.com . **Employment Type:** Intern **Job Type:** Full Time **Travel Expectations:** Up to… more
    The Davey Tree Expert Company (12/05/25)
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  • Survey/Remote Sensing Intern

    Colliers Engineering & Design (Englewood, CO)
    …curious, and tech-savvy intern to join our Survey/Geospatial team in Denver, CO starting Spring or Summer 2026 ! This is your chance to jump into hands-on ... reflections, problem solving activities, contests, drawings, and create end of summer presentations which help showcase their learning and experiences. Additional… more
    Colliers Engineering & Design (12/09/25)
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  • Commercial Operations Intern

    Xcel Energy (Denver, CO)
    …training and provide opportunities to network and learn the utility industry. Typical intern responsibilities may include but are not limited to: . Produce Plexos ... organized markets. This position is for a June 1st, 2026 start. This position may have the possibility to...Hybrid Schedule . Able to work full-time during the summer (up to 40 hours a week)/ part time… more
    Xcel Energy (01/06/26)
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