• Xcel Energy (Denver, CO)
    …- **Project Description:** Xcel Energy is seeking a highly motivated Reliability Engineering Intern to join our team at the Cherokee power plant in Denver, CO. ... a positive attitude who takes pride in delivering high-quality work. Typical intern responsibilities may include but are not limited to: + Conduct… more
    DirectEmployers Association (09/10/25)
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  • Systems Engineer Intern

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …+ Pursuing a degree in engineering or a related discipline + Basic knowledge of systems engineer principles + Basic knowledge of systems engineer ... desire to learn, and we will provide the experience. Summer internships are typically 10-12 weeks starting in late...for a full-time position upon graduation. As a Technical Intern , you'll ask questions, get involved, bring your ideas,… more
    Sierra Nevada Company, LLC (09/19/25)
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  • Intern - Power Systems /HVAC…

    Lumen (Denver, CO)
    …and more broadly, within the telecommunications industry. Through partnership with a senior engineer , the intern will have the opportunity to observe and ... opportunity to gain hands-on experience in digital innovation through a 10-week summer internship. Interns learn, network, and advance their careers while helping… more
    Lumen (10/07/25)
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  • Intern - Network Engineer

    Lumen (Denver, CO)
    …exceptions will be made Lumen's Network Engineering organization is looking for a Network Engineer Intern to join our amazing team. Intern (s) will interact ... gain hands-on experience in digital innovation through a 10-week summer internship. Interns learn, network, and advance their careers...has had on their career. CLICK HERE! **The Role** Intern must be available to work full time (40… more
    Lumen (10/11/25)
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  • Technical Intern - Test Engineer

    BAE Systems (Westminster, CO)
    …medical benefits, the employee assistance program, and business travel accident insurance. **Technical Intern - Test Engineer , Summer 2026** **116969BR** EEO ... **Job Description** In this position, you will participate in BAE Systems ' nationwide LEAP Internship & Co-op Program, where you will Learn, Engage, Apply, and… more
    BAE Systems (10/16/25)
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  • RF Engineer Intern - Summer

    CACI International (Denver, CO)
    RF Engineer Intern - Summer ...testing High Power Amplifiers, RF Front Ends, and antenna systems (600MHz to 6GHz), utilize advanced tools like Microwave ... Anticipated Posting End: 10/31/2025 **The Opportunity:** We're hiring RF Engineer Interns to join our Westminster, CO team for...Interns to join our Westminster, CO team for the summer of 2026! The internship will begin in May… more
    CACI International (10/11/25)
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  • Manufacturing Engineer Intern

    Lockheed Martin (Littleton, CO)
    …corporate responsibility\. Your Mission is Ours\. Lockheed Martin Space is seeking a Manufacturing Engineer Intern for Summer 2026 to join the GPSIII ... apply for roles that align with your qualifications\. **Experience Level:** Co\-op/ Summer Intern **Business Unit:** SPACE **Relocation Available:** Possible… more
    Lockheed Martin (10/17/25)
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  • Intern - IT Engineer - Summer

    Lumen (Denver, CO)
    …opportunity to gain hands-on experience in digital innovation through a 10-week summer internship. Interns learn, network, and advance their careers while helping ... exciting journey with Lumen today! Come join Lumen's fully immersive, 10-week summer internship program. Our interns demonstrate curiosity, innovation, and a passion… more
    Lumen (10/07/25)
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  • Summer Intern - IT Software…

    Nelnet (Centennial, CO)
    …Fortune 1000 finance & technology company, is hiring eager students to join its Summer 2026 IT Internship program. Software Engineer Interns Software Engineer ... best place to do it. Join Nelnet as an intern and do real work that matters to our...of the Software Development Life Cycle (SDLC), computer information systems , and Agile approach.** **Knowledge of computers: preferably Microsoft… more
    Nelnet (09/12/25)
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  • Intern - Network Engineer

    Lumen (Denver, CO)
    …Lumen's Architecture Engineering & Technology organization is looking for a Network Engineer Intern on our Vyvx team. The Vyvx engineering team ... connect the world and shape the future. **The Role** Intern must be available to work full time (40...Gain exposure to different network devices and automation control systems + Perform network troubleshooting tasks + Join maintenance… more
    Lumen (10/10/25)
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  • Cleared Software Engineer Intern

    CACI International (Denver, CO)
    Cleared Software Engineer Intern - Summer 2026 Job Category: Intern /Co-op Time Type: Part time Minimum Clearance Required to Start: TS/SCI with Polygraph ... CACI is seeking a skilled Software Developer for our Summer 2026 Makalu internship program. If you are enthusiastic...be a part of a team supporting mission critical systems . + Familiarity with real-time communication mechanisms such as… more
    CACI International (10/08/25)
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  • Intern - Information Security…

    Lumen (Denver, CO)
    …opportunity to gain hands-on experience in digital innovation through a 10-week summer internship. Interns learn, network, and advance their careers while helping ... exciting journey with Lumen today Come join Lumen's fully immersive, 10-week summer internship program. Our interns demonstrate curiosity, innovation, and a passion… more
    Lumen (10/07/25)
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  • Summer Intern - Firmware…

    Allegion (Golden, CO)
    …Workplace Award, which recognizes the most engaged workplace cultures in the world._ ** Summer Intern - Firmware Engineer - Product Lifecycle Engineering ... - Golden, CO** As an Allegion Firmware Engineer , you will contribute meaningful work and make a direct impact to the Firmware Engineering Competency. You will gain… more
    Allegion (09/06/25)
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  • Intern - Software Engineer

    Nelnet (Centennial, CO)
    …codes or build brands-we're the best place to do it. Join Nelnet as an intern and do real work that matters to our business. All Nelnet interns receive one-on-one ... mentorship, competitive pay, casual dress, flexible schedule, intern -specific programming, and meaningful work experience. Apply to one of our internships today.… more
    Nelnet (09/03/25)
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  • Intern - DevOps Engineer

    Lumen (Denver, CO)
    …opportunity to gain hands-on experience in digital innovation through a 10-week summer internship. Interns learn, network, and advance their careers while helping ... exciting journey with Lumen today! Come join Lumen's fully immersive, 10-week summer internship program. Our interns demonstrate curiosity, innovation, and a passion… more
    Lumen (10/07/25)
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  • Structural Engineer Intern

    Kiewit (Lone Tree, CO)
    …Overview** **Kiewit Infrastructure Engineers (KIE)** has an opening for a dynamic Structural Engineer Intern in our growing Engineering organization. You will be ... erection and demolition planning, formwork/falsework design, support of excavation systems , temporary bridges and crane trestles, heavy crane lift planning,… more
    Kiewit (09/17/25)
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  • Integrative Engineer Intern - Kiewit…

    Kiewit (Lone Tree, CO)
    …The Integrative Engineering & Technology Solutions (IETS) department is looking for an Integrative Engineer Intern (also named an IETS Analyst Intern ) to ... job practice. The objective is for the IETS Analyst Intern to acquire the knowledge and skills to work...our work. + Review, learn, and begin to apply Systems Engineering processes (ISO 29148, ISO 15288, INCOSE Handbook).… more
    Kiewit (10/11/25)
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  • Substation Engineer Intern - Kiewit…

    Kiewit (Lone Tree, CO)
    …ranging from 12kV to 500kV in both engineering detailed design and Engineer , Procure, Construct (EPC) projects for clients throughout the country. **District ... studies with minimal supervision * Review project schedules and work with project engineer to ensure projects remain on schedule * Properly use the document… more
    Kiewit (10/04/25)
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  • Mechanical Engineer Intern /Co-op…

    CMTA, Inc (Golden, CO)
    …expectations. Mechanical co-ops can expect to get hands on experience with photovoltaic systems , LED lighting designs, HVAC systems like geothermal, and building ... of engineering, consulting, installation, and maintenance services for mission-critical systems in buildings. The company specializes in designing, fabricating, and… more
    CMTA, Inc (09/24/25)
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  • Summer Intern Mechanical Engineering

    Allegion (Golden, CO)
    …Workplace Award, which recognizes the most engaged workplace cultures in the world._ ** Summer Intern - Mechanical Engineer - Colorado Springs, CO** ... As an Allegion Mechanical Engineer Intern , you will contribute meaningful work...manufacture related parts. Additional opportunities include learning electronic locking systems , access control solutions, how residential and commercial security… more
    Allegion (10/05/25)
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