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7 mechanical engineering intern jobs found in Boulder, CO

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Boulder mechanical engineering intern Colorado
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Full time  (6) Intern  (1)
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FR
Dec 18, 2025
Intern
Mechanical Engineering Intern
FIRST RF CORPORATION Boulder, CO, USA
Summary You will serve as an integral part of the Mechanical Engineering team at FIRST RF, tackling real projects, not just busy work. Working alongside other engineers, you will be assigned a variety of tasks that include component design, drawing creation, as well as prototyping. This will encompass the utilization of 3D printers, communication with machine shops, as well as troubleshooting various issues that may arise. You will work as a key member within projects to accomplish tangible goals that will expand your professional experience, and your technical skill set in an aerospace environment. You will learn new skills every day as these positions is designed for self-starting individuals that enjoy challenges and working in teams. What to Expect Working in a fun and creative workplace requires excellent communication skills and a strong desire to take an active role in a team Mentors and peers who you can seek out to tackle problems cooperatively Team members...
El
Feb 13, 2026
Full time
Senior Manufacturing Engineer
Electra Boulder, CO, USA
Who we are: We're transforming one of the world's oldest industries with cutting-edge technology and an innovative approach. Backed by top-tier investors and recognized by Time as one of the "best Inventions of 2024" and Fast Company as one of 2024's "Next Big Things in Tech", Electra is scaling rapidly and we're looking for bold, driven individuals to help us reshape the future of iron production. If you're ready to make a real impact in a company that's redefining heavy industry for a cleaner, smarter world, we want to hear from you. What you will do: The Senior Manufacturing Engineer applies advanced manufacturing engineering expertise to lead the development, implementation, and optimization of Electrochemical cell manufacturing processes at Electra. This role operates with a high degree of autonomy and judgment, solving complex manufacturing and production readiness challenges as the company transitions from development into demonstration-scale production. This...
NS
Feb 09, 2026
Full time
Senior Electrical Engineer
$130,000 - $165,000 yearly
National Solar Observatory Boulder, CO, USA
The Senior Electrical Engineer plays a pivotal role in turning the Next-generation Global Observing Network Group (ngGONG) vision into a reliable, operational observatory. As the technical authority for electrical and electronic systems, this role ensures that power, controls, and safety architectures are designed holistically-supporting everything from site infrastructure to precision instrumentation. The decisions made in this position directly impact system reliability, data quality, personnel safety, and long-term maintainability across all ngGONG sites. By providing senior technical leadership and coordinating across disciplines, the Sr EE enables complex systems to function as an integrated whole while balancing performance, cost, schedule, and risk. This role is essential to delivering a robust, scalable telescope design that can operate continuously in remote environments and support cutting-edge solar science for decades to come. The ngGONG project is currently funded for...
AU
Feb 09, 2026
Full time
Senior Electrical Engineer
$130,000 - $165,000 yearly
AURA Boulder, CO, USA
The Senior Electrical Engineer plays a pivotal role in turning the Next-generation Global Observing Network Group (ngGONG) vision into a reliable, operational observatory. As the technical authority for electrical and electronic systems, this role ensures that power, controls, and safety architectures are designed holistically-supporting everything from site infrastructure to precision instrumentation. The decisions made in this position directly impact system reliability, data quality, personnel safety, and long-term maintainability across all ngGONG sites. By providing senior technical leadership and coordinating across disciplines, the Sr EE enables complex systems to function as an integrated whole while balancing performance, cost, schedule, and risk. This role is essential to delivering a robust, scalable telescope design that can operate continuously in remote environments and support cutting-edge solar science for decades to come. The ngGONG project is currently funded for...
El
Feb 05, 2026
Full time
Senior Electrical Engineer - Power Distribution
Electra Boulder, CO, USA
Who we are: We're transforming one of the world's oldest industries with cutting-edge technology and an innovative approach. Backed by top-tier investors and recognized by Time as one of the "best Inventions of 2024" and Fast Company as one of 2024's "Next Big Things in Tech", Electra is scaling rapidly and we're looking for bold, driven individuals to help us reshape the future of iron production. If you're ready to make a real impact in a company that's redefining heavy industry for a cleaner, smarter world, we want to hear from you. What you will do: As a Senior Electrical Engineer - Power Distribution, you will focus on the design and implementation of power distribution, from incoming utility connections to all major systems and equipment for our pilot, demo, and future commercial operations. Responsibilities include: Design and implement power distribution systems for pilot plants, demo facilities, and future commercial-scale operations Develop single-line...
JI
Aug 25, 2025
Full time
Civil Design Engineer
$72,000 - $84,000 yearly
JVA Inc Boulder, CO, USA
Job Title Civil Design Engineer Education Bachelor's Degree Location Boulder - Boulder, CO 80302 US (Primary) Denver - Denver, CO 80202 US Fort Collins - Fort Collins, CO 80524 US Glenwood Springs - Glenwood Springs, CO 81601 US Winter Park - Winter Park, CO 80482 US Category Civil Engineering Job Type Full-time Job Description Design Engineers support and collaborate with the design teams on a wide range of site development and infrastructure projects across Colorado. The Design Engineer receives technical guidance from Project Engineers and Project Managers in order to provide engineering excellence. Design Engineers receive supervisory review and approval from the project team with opportunities to participate and influence creative and innovative solutions. Design Engineers are responsible for utilizing Autodesk Civil 3D and civil engineering principles to develop thoughtful, creative, clear and concise designs and plan sets for owners, clients and contractors. The...
JI
Aug 25, 2025
Full time
Environmental Site and Conveyance Project Engineer
$86,000 - $96,000 yearly
JVA Inc Boulder, CO, USA
Job Title Environmental Site and Conveyance Project Engineer Education Bachelor's Degree Location Boulder - Boulder, CO 80302 US (Primary) Denver - Denver, CO 80202 US Fort Collins - Fort Collins, CO 80524 US Glenwood Springs - Glenwood Springs, CO 81601 US Winter Park - Winter Park, CO 80482 US Category Environmental Engineering Job Type Full-time Job Description The Environmental Site and Conveyance Project Engineer independently performs project assignments with instructions from the Project Manager on a wide range of water and wastewater treatment sites and sanitary sewer and water distribution projects across Colorado, including rural towns, cities, and mountain projects. The Environmental Site and Conveyance Project Engineer will prepare Civil sheets for Environmental Department projects. Receives technical guidance on complex problems and supervisory approval on proposed plans for projects. Responsible for applying intensive and diversified knowledge of civil...
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