- 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 ... End: 12/17/2025 **The Opportunity:** CACI is seeking a skilled Software Developer for our Summer 2026 Makalu internship program. If you are enthusiastic about… more
- Sierra Nevada Company, LLC (Lone Tree, CO)
- …Bring your knowledge and desire to learn, and we will provide the experience. Summer internships are typically 10-12 weeks starting in late May/early June and work ... you may be considered for a full-time position upon graduation. As a Technical Intern , you'll ask questions, get involved, bring your ideas, be part of an actual… more
- Lockheed Martin (Highlands Ranch, CO)
- …corporate responsibility\. Your Mission is Ours\. Lockheed Martin is seeking a Software Engineer Intern \- Summer 2026\. In this role, you will develop ... Co\-op/ Summer Intern **Business Unit:** SPACE **Relocation Available:** Possible **Career Area:** Software Engineering **Type:** Call\-In **Shift:** First more
- 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 (Denver, CO)
- …exciting journey with Lumen today! Lumen offers a fully immersive, 10-week summer internship program. Our interns demonstrate curiosity, innovation, and a passion ... had on their career. CLICK HERE! (https://www.youtube.com/playlist?list=PLEPDmMs2o9w4Wx1xbka144QE29qd5NYFU) **The Role** Intern must be available to work full time (40… more
- 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 (Centennial, CO)
- …company, is hiring eager students to join its Summer 2026 IT Internship program. Software Engineer Interns Software Engineer Interns will enhance and ... best place to do it. Join Nelnet as an intern and do real work that matters to our...events** **EDUCATION:** **Pursuing degree in an IT-related field including software development, computer science, or other related major. Current… more
- Lumen (Denver, CO)
- …Preferred fields include but not limited to: Electrical Engineer , Computer Science, or Software Engineering related fiel + Intern must be able to work 40 ... gain hands-on experience in digital innovation through a 10-week summer internship. Interns learn, network, and advance their careers...Lumen's Network Engineering organization is looking for a Network Engineer Intern to join our amazing team.… more
- Lumen (Denver, CO)
- …to the entire 10-week program. No exceptions will be made. **The Main Responsibilities** The Summer 2026 Network Engineer Intern will be responsible for: + ... 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 (Denver, CO)
- …Main Responsibilities** Lumen's Enterprise Operations organization is looking for a DevOps Engineer Intern on our Network Transformation team. The intern ... connect the world and shape the future. **The Role** Intern must be available to work full time (40...responsible for automation of manual tasks as well as software development. You will need a high level of… more
- Allegion (Golden, CO)
- …Workplace Award, which recognizes the most engaged workplace cultures in the world._ ** Summer Intern - Product Cybersecurity Engineer ; Carmel, IN or ... Golden, CO** ** Summer Intern - Product Cybersecurity Engineer ** As a...Do:** + Deepen your knowledge of developing physical and/or software products with security as a core component +… more
- 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
- CACI International (Denver, CO)
- RF Engineer Intern - Summer ...or spectrum analyzers + Experience using commercial electromagnetic simulation software , such as HFSS, AWR or ADS + Python ... 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
- Allegion (Golden, CO)
- …Exceptional Workplace Award, which recognizes the most engaged workplace cultures in the world._ ** Summer Intern , Mobile Engineer - Golden, CO** Allegion is ... with and secure the spaces that matter most. Our software teams build the mobile apps and SDKs that...our IoT-enabled security hardware to life. As a Mobile Engineer Intern , you'll have the opportunity to… more
- 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
- Kiewit (Lone Tree, CO)
- …**Kiewit Infrastructure Engineers (KIE)** has an opening for a dynamic Structural Engineer Intern in our growing Design Engineering Services Group. You ... and check structural/bridge design calculations * Analysis using structural engineering software **Qualifications** * Pursuing a Master's degree or higher in… more
- 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...on design and coding. If you are seeking a summer experience that offers meaningful work, learning opportunities, professional… more
- 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 ... preferred * Available to work full-time during the 2025 summer * Knowledge and experience working with Microsoft Word...Word and Excel * Familiar with basic structural analysis software and engineering design software such as… more
- BAE Systems (Westminster, CO)
- …medical benefits, the employee assistance program, and business travel accident insurance. **Technical Intern - Test Engineer , Summer 2026** **116969BR** EEO ... tests. + Collaborate across engineering disciplines to include mechanical, electrical, software and firmware teams. + Maintain a regular and predictable work… more
- 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...practices - an asset: + ISO/IEC/IEEE 29148: Systems and software engineering - Life cycle processes - Requirements engineering,… more