- 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 ... **The Opportunity:** CACI is seeking a skilled Software Developer for our Summer 2026 Makalu internship program. If you are enthusiastic about creating innovative… 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
- HNTB (Denver, CO)
- …exciting time to join our team of employee-owners. Our Denver office is hiring Intern Engineers for Summer 2026 in our Aviation and Transportation groups. ... and housing are NOT provided for these positions. **What You'll Do:** + Assists engineer teams in various tasks and duties. + Assists Engineer with research,… more
- Lockheed Martin (Littleton, CO)
- …Martin Space is seeking a Summer 2026 Environment Health and Safety Engineer Intern \. In this role, you will: 1\) Support Artificial Intelligence \(AI\) ... apply for roles that align with your qualifications\. **Experience Level:** Co\-op/ Summer Intern **Business Unit:** SPACE **Relocation Available:** Possible… 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 ... for a full-time position upon graduation. As a Technical Intern , you'll ask questions, get involved, bring your ideas,...or a related discipline + Basic knowledge of systems engineer principles + Basic knowledge of systems engineer… more
- 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 Grid ... business unit and assist the engineering team members in the execution of their project work. These projects may involve the design of new and/or modifications and upgrades to transmission and distribution engineering projects. Working under the direction of… more
- 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 Grid ... business unit and assist the engineering team members in the execution of their project work. These projects may involve the design of new and/or modifications and upgrades to transmission, substation, distribution, renewable, and battery energy storage system… 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
- TIC - The Industrial Company (Denver, CO)
- …in Construction Management also considered + Ability to work full-time during the summer (approximately May-August) + Ability to travel or relocate as needed + ... Ability to freely access all points of a construction site in wide-ranging climates and environments + Highly motivated, with a demonstrated passion for excellence and taking initiative + Strong work ethic, willingness to do what it takes to get the job done… more
- Kiewit (Lone Tree, CO)
- …fast-paced excitement and fulfillment you won't find anywhere else. As an Equipment Engineer Intern , you will support Regional Construction & Mining operations. ... your Kiewit adventure is custom-designed to meet our shared needs. Equipment Engineer Internships will be based across the United States. **Responsibilities** +… 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 ... mentorship, and on the job practice. The objective is for the IETS Analyst Intern to acquire the knowledge and skills to work collaboratively within the IETS team,… more
- Kiewit (Lone Tree, CO)
- …Overview** **Kiewit Infrastructure Engineers (KIE)** has an opening for a dynamic Geotechnical Engineer Intern in our growing Geotechnical Group. You will be ... assignments at the job site, district office or department to which the intern is assigned \#LI-IPLA Other Requirements: * Regular, reliable attendance * Work… more
- Kiewit (Lone Tree, CO)
- …Overview** **Kiewit Infrastructure Engineers (KIE)** has an opening for a dynamic Drainage Engineer Intern in our growing Design Engineering Services Group. You ... assignments at the job site, district office or department to which the intern is assigned Other Requirements: * Regular, reliable attendance * Work productively and… more
- Black & Veatch (Denver, CO)
- …**Project Only Hire :** No **Visa Sponsorship Available:** No **Job Summary** As a Structural Engineer (Substation) Summer Intern at Black & Veatch, you will ... **Structural Engineer Intern , Substation** Date: Oct 30, 2025 Location: Denver, CO, US Tualatin, OR, US Company: Black & Veatch Family of Companies **Together,… more
- 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...receive one-on-one mentorship, competitive pay, casual dress, flexible schedule, intern -specific programming, and meaningful work experience. Apply to one… more
- Sierra Nevada Company, LLC (Lone Tree, CO)
- …typically 2 or more years of relevant experience + Must have been a 2025 SNC summer intern + The ability to obtain and maintain a Secret US Security Clearance ... the next generation to transform humanity through technology and imagination! As an RF Engineer II, you will be using your skills and expertise to design, develop,… more
- HNTB (Denver, CO)
- …and housing are NOT provided for this position. **What You'll Do:** + Assists engineer teams in various tasks and duties. + Assists Engineer with research, ... development and design of projects. + Assists Engineer with the preparation of engineering drawings and documents as assigned. + Performs other duties as assigned.… more
- Highmark Health (Denver, CO)
- …:** **SUMMARY OF JOB RESPONSIBILITIES** This job has the goal of developing Python-based microservices and APIs to support GenAI applications. Implementing backend ... components for RAG and AI agent orchestration. Participating in architecture discussions and contributing to design decisions. Writing unit and integration tests to ensure code quality and reliability. **REQUIRED QUALIFICATIONS** Currently pursuing a Master's… more
- Highmark Health (Denver, CO)
- …:** **SUMMARY OF JOB RESPONSIBILITIES** This job has the goal of providing the opportunity to acquire practical experience through direct exposure to the related ... business line(s) and to develop the next generation of diverse business professionals. To that end, the program will provide hands-on training and experience in the business line, expose the various career opportunities in the business line and related areas,… more
- Highmark Health (Denver, CO)
- …:** **SUMMARY OF JOB RESPONSIBILITIES** This job has the goal of providing the opportunity to acquire practical experience through direct exposure to the related ... business line(s) and to develop the next generation of diverse business professionals. The role will allow for work work in several tools while allowing the experience of large scale development of code across many different product areas. To that end, the… more