Internships in Highlands Ranch, Colorado, United States

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment.

Renewables Department at Ulteig Engineers designs utility‑scale solar, wind and battery storage projects. As a CADD Intern you will create construction drawings, site layouts and plan sets using AutoCAD and Civil3D while collaborating with engineers and designers.

Target Stores Executive Leadership team offers a paid 40‑hour/week internship to develop future retail leaders. Interns spend their days on the sales floor and backroom leading team members, learning store operations, and driving guest experience while working alongside an Executive Team Lead mentor.

Empower Retirement seeks a summer intern to build and enhance user interface and backend features for its application development team. The role offers hands‑on experience with modern development practices, Agile collaboration, and exposure to AWS and AI technologies.

Empower Retirement seeks a Mobile Engineer Intern to support the Mobile Customer Digital Experience team focusing on Android. The 10‑week internship, based in Greenwood Village, CO, offers a 40‑hour work week, hourly wages of $24–$25, and a base salary range of $43,600–$60,025.

Empower Retirement invites college students to join its 10‑week Summer Internship Program as Software Engineer Interns focused on Technology Modernization. Interns will own a full‑stack project that modernizes legacy applications, building backend and frontend components with Java, Python, SpringBoot, and SQL. Working in an Agile environment, they will collaborate with cross‑functional teams, participate in code reviews, and deliver tangible business value.

Internship in Empower Retirement’s Greenwood Village office. 10‑week program starting 03/04/2026. Interns work 40 hrs/week, paid hourly $24–$25.

Internship in Mobile Engineering (iOS) at Empower Retirement. 10-week program, on-site in Greenwood Village, CO. Focus on mobile modernization, refactoring code, optimizing user journeys, aligning with design system.

Software Engineer I (For SNC Summer 2025 Interns Only) is a role focused on developing new products and services within an agile, collective environment. Engineers will define, design, develop, test, certify and improve cutting‑edge software products that span advanced mission payloads, electronic systems, integrated aircraft, and orbital and space exploration systems.

Manufacturing Engineer Intern - Summer 2026 at Sierra Nevada Corporation offers a 10-12 week, 40-hour per week internship in Lone Tree, CO. Interns work side‑by‑side with industry experts on real‑world projects in the ISR, Aviation, and Security business area, gaining hands‑on experience in design, integration, test, certification, and logistics support for advanced ISR and aviation systems. Responsibilities include asking questions, contributing ideas, participating in project teams, attending

Join Sierra Nevada Corporation as a Software Engineer I Intern for the 2025 summer program. In this role, you’ll collaborate with cross‑functional teams to design, develop, test, and certify cutting‑edge software for aerospace and national security missions.

Aerospace Engineer I internship at Sierra Nevada Corporation focuses on research, design, development, and testing of aerospace products. Under supervision, interns contribute to projects ensuring safety, quality, and performance standards, collaborate with senior engineers, and document technical data.

Join Sierra Nevada Corporation as a Business Development Research Analyst Intern. In this role, you will conduct market research, analyze industry trends, and evaluate competitive landscapes to support strategic decisions.

Education Department at Denver Botanic Gardens. Supports youth education by delivering school tours, programs, and family events, handling materials and records.

This externship offers hands‑on experience in emergency veterinary medicine for students enrolled in accredited programs. Participants will shadow credentialed technicians, assist with triage, diagnostics, anesthesia, and inpatient care, and gain exposure to fast‑paced ER environment.

CPI Card Group AI Automation Team focuses on accelerating AI and automation across finance and business operations. The intern prototypes intelligent automations using tools like Claude, ChatGPT, and Power Platform, collaborating with finance, technology, and operations teams to redesign workflows.

The Furnace Technology Intern will support the engineering team in documenting furnace designs, collecting performance data, and aiding project managers with capital projects. Working in Littleton, CO, the intern will gain hands‑on experience with industrial furnaces, project management tools, and continuous improvement initiatives.

Northwestern Mutual College Financial Representative Internship program builds future financial planners through mentorship, networking, and hands‑on experience with proprietary planning software. Interns prospect clients, develop business strategies, prepare financial plans, and attend weekly coaching sessions while balancing a flexible schedule around classes.

Operations Leadership Development Program (OLDP) internship at Travelers provides a curriculum in business operations, process analysis, agile project leadership, data analytics, and digital enablement. Interns rotate through functional teams, work on real business challenges, and present solutions to leadership.

Summer 2026 Engineering Management Intern at Sierra Space offers a 12‑week program for undergraduates graduating Dec 2026–Jun 2027. Interns work in Louisville and Centennial, CO, collaborating with project managers to coordinate technical teams, track deliverables, and allocate resources.