Top 3 Manufacturing engineer intern Jobs in Longmont, Co

Manufacturing Engineer Intern
H3X Technologies —Louisville, CO
- $23 - $37 an hour
- Full-time
- Communication skills
- Entry level
Mechanical Design Engineer Intern
H3X Technologies —Louisville, CO
- $23 - $37 an hour
- Full-time
- Communication skills
- Entry level
Automation/Robotic Engineer Intern
Kodak Alaris —Windsor, CO
- $21 - $25 an hour
- Part-time
- Microsoft Excel
- Bachelor of Science
- Research
- Paid parental leave
- Disability insurance
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Mechanical Design Engineer Intern
H3X Technologies —Louisville, CO
H3X is looking to hire a mechanical design engineering intern to support the development across all aspects of the HPDM product line. GPA of 3.0 or higher.
$23 - $37 an hour
Manufacturing Engineer Intern
H3X Technologies —Louisville, CO
Collaborate with design engineers on implementation of manufacturing feedback. H3X is looking to hire a manufacturing engineering intern to support the low…
$23 - $37 an hour

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Enrollment in a bachelor's or master's degree program studying Mechanical Engineering or related field. O Updating mechanical engineering specifications and…
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Mechanical Engineering Intern (Fall 2026 Co-Op) - Global Facilities (Columbus)
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Currently enrolled, and in good standing, in a post-secondary education and/or technical certificate program in a field related to the work done in the…
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Manufacturing Engineer Intern

H3X Technologies -
Louisville, CO

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Job Details

Full-time
$23 - $37 an hour

Qualifications

Measurement-based inspection
Performance improvement leadership
Engineering development testing
Requirements design
Design of manufacturing processes
Machining fixtures
Mechanical Engineering
CAD design (engineering design task)
Engineering process optimization
Assembly fixtures
GD&T
Detail drawings
Mechanical drawings
Collaboration with product development teams
Production validation processes
Production in-process inspection
Requirements analysis
Design engineering
Collaboration with manufacturing teams
Operational excellence initiatives
Design of mechanical systems
Quality improvement programs in engineering
Communication skills
Implementing lean manufacturing processes
Composites experience in material engineering
Custom fixtures
Entry level
Engineering manufacturing support

Full Job Description

About H3X Technologies

H3X is building America's advanced electric motor company, powering next-generation platforms in aerospace, defense, and marine. Our integrated motor drives deliver 12+ kW/kg, roughly 3x the power density of competing solutions. We're now scaling to megawatt-class systems, with customers working on everything from supersonic aircraft to turbine power generation for AI datacenters.

Our team brings together engineers and operators from aerospace, defense, and motorsports, with deep expertise in electric machines, power electronics, material science, and advanced manufacturing. We're a small, fast-moving team doing hard engineering that matters, and we're looking for people who want to do the best work of their careers alongside us.

About the Role

H3X is looking to hire a manufacturing engineering intern to support the low volume production line across all the HPDM product lines. This is not an ordinary internship- you will be given the full responsibility of a manufacturing engineer. The production team is rapidly deploying new processes and improvements to meet the growing demand for the HPDM product lines. A high degree of self-motivation and responsibility is required as you will be given significant freedom and will be directly responsible to produce your assigned parts. We are looking to hire a full time intern with a focus on the Fall 2026 Semester for a minimum of 12 weeks, but open to extended periods as well based on candidate availability.

What you will do:

REQUIREMENTS / CONCEPT
- Work with design engineers to establish production requirements
- Conceptualize new and novel approaches to solve manufacturing problems
- Propose new materials, fixture concepts, equipment or other
DESIGN AND ANALYSIS
- Design tools and fixtures to improve manufacturing processes
- Analyze recurring manufacturing discrepancies and implement solutions
- Collaborate with design engineers on implementation of manufacturing feedback
PRODUCTION VALIDATION AND INTEGRATION
- Execute first application and testing of new fixtures and process improvements
- Interface with manufacturing engineers and assembly technicians
- Create, implement, and revise process plans and mBOMs to support production
- Lead LEAN manufacturing processes in support of continuous improvement initiatives

What we are looking for:

Pursuing a Bachelor’s or Graduate Degree in Mechanical Engineering or similar
GPA of 3.0 or higher
Hands-on experience assembling mechanical systems
SolidWorks proficient (or similar)
Excellent written and verbal communication skills
Organized and strong attention to detail
Exceptional understanding of engineering fundamentals
Action biased, results-driven mentality
Willingness to learn quickly

Preferred Experience

Experience with manufacturing processes (machining, assembly, & composites)
Experience with producing 2D part drawings and GD&T
Experience with inspection methods and metrology equipment

Why H3X

Joining H3X means working on hard, meaningful problems with a skunkworks-style team that's laser-focused on building exceptional products. We're deeply vertically integrated and have a very tight design-build-test loop, which lets us move from concept to hardware at unmatched speed. We've gone from idea to shipping product in less than two months.

We're a small, highly skilled team where everyone carries real responsibility and shares an extreme ownership mentality. We stay focused on the critical path, keep bureaucracy to a minimum, and structure everything around delivering results. You'll learn and grow faster here than you would anywhere else.

You'll work alongside world-class engineers and builders who are pioneering electric motor technology at scale on some of the coolest programs in the industry, from supersonic aircraft to power generation for AI datacenters. If you want your contributions to be visible and your work to directly shape American reindustrialization, you'll feel at home here.

Benefits & Compensation

$23.00 - $37.00 / hr based on school level & experience
Relocation stipend
Monthly company events
Friday Team Lunch

Our Values

Be Relentless Never give up, persevere until the job is done. Run toward problems, not away from them. Grit is key.

Gain insight through humility Approach every challenge with a learner’s mindset. Stay open to feedback, listen to others, and deepen your understanding through self-awareness. Put your ego aside and seek the truth in every discussion, especially when leading others.

Distill & Simplify Eliminate unjustified complexity and simplify wherever possible, whether in requirements, design, or execution. Use first principles thinking to distill every problem to its essence. Less is more.

Find your flow Engage fully and work with intention. Find the rhythm and deep focus that lets you do your best work. Discover your Ikigai - where your strengths, passions, and purpose meet and drive your personal fulfillment and team success. That is when the magic happens.

SEND (Solve, Evolve, Nail It, Deliver) Devise the best solution with the information at hand, test it, learn from it, and iterate quickly until you nail it. Nothing works perfectly the first time, but you should never hit the same issue twice. Stay laser-focused on solving customer problems and delivering solutions that create real value.

Equal Opportunity Employer

H3X is an equal opportunity-affirmative action employer and considers all qualified applicants for employment based on business needs, job requirements and individual qualifications, without regard to race, color, religion, sex, age, disability, sexual orientation, gender identity or expression, marital status, past or present military service or any other status protected by the laws or regulations in the locations where we operate.

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