Cooling performance limits high-power computing, semi-conductor fab, cell networks, photonics, power electronics, and most of our digital world. Alloy Enterprises enables customers to break through these constraints with novel complex metal components that dramatically improve heat dissipation in high-performance systems. Alloy’s patented Stack Forging™ process enables complex micro-geometries, resulting in single-piece, leak-tight parts that deliver superior cooling performance, lower pressure drops, and exceptional reliability. Founded in 2020, Alloy is a 45-person hardtech startup that has raised over $50M in capital and is shipping components to customers manufacturing servers, lasers, semiconductor equipment, and defense systems.About the RoleWe are looking for a Mechanical Engineering Co-op to help with the development of sub-systems and testing. Strong communication, flexibility, and the desire to “wear many hats” will all be essential skills for any successful applicant. You will be expected to teach yourself new skills and apply them to complete your tasks and projects, and you will receive guidance and mentorship along the way.Responsibilities:<ul style=""><li>Design, build, and operate mechanical systems, test fixtures, and bespoke production equipment.</li><li>Develop system requirements for projects with full time technical staff</li><li>Sub-system level analysis, design, and assembly</li><li>Document design decisions and test results quickly and effectively</li><li>Develop, document, and execute mechanical test methods</li><li>CAD modeling, tolerance analyses, and 2D drawings</li><li>Use Alloy’s hardware and software to build customer parts</li><li>Create tickets, provide feedback, and debug software, process, and hardware issues</li></ul>Requirements:<ul style=""><li>You take ownership of your projects, completing tasks efficiently and effectively</li><li>You are adaptable and excel when working in a fast-paced environment</li><li>Enjoy the gritty details of part design, material selection, and drawing</li><li>Past industry co-ops or internships strongly desired</li><li>Pursuing a degree in Mechanical, Industrial, or Manufacturing Engineering</li></ul><ul style=""><li>Experience with rapid prototyping: 3D printing, mill, lathe, laser cutting, hand tools</li><li>SolidWorks, and experience making and modifying 2D Drawings</li><li>Firm understanding of mechanical engineering fundamentals</li><li>Basic SW experience is a plus: Python, linux, Jira, git, or PLC programming</li></ul>Additional requirementsThis position will require access to information subject to control under U.S. export control laws and regulations, including the Export Administration Regulations (“EAR”) and International Traffic in Arms Regulations (“ITAR”).  Please note that any offer for employment will be conditioned on authorization to receive controlled items without sponsorship for an export license.  Regarding SponsorshipApplicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa, including H-1B, H-1C, H-2A, H-2B, H-3, F-1 or OPT at this time.  Equal employment opportunityWe are committed to creating an equitable and inclusive environment for all our employees and seek to build a team that reflects the diversity of the people we hope to serve with our products. We are proud to be an equal opportunity employer.

Alloy Enterprises is setting the new standard for quickly fabricating complex aluminum components from prototype to production with our Stack Forging&trade; &nbsp;process.

Mechanical Engineer - Co-op, Spring 2026 (January - June) 

Cooling performance limits high-power computing, semi-conductor fab, cell networks, photonics, power electronics, and most of our digital world. Alloy Enterprises enables customers to break through these constraints with novel complex metal components that dramatically improve heat dissipation in high-performance systems. Alloy’s patented Stack Forging™ process enables complex micro-geometries, resulting in single-piece, leak-tight parts that deliver superior cooling performance, lower pressure drops, and exceptional reliability. Founded in 2020, Alloy is a 45-person hardtech startup that has raised over $50M in capital and is shipping components to customers manufacturing servers, lasers, semiconductor equipment, and defense systems.About the RoleWe are looking for a Mechanical Engineering Co-op to help with the development of sub-systems and testing. Strong communication, flexibility, and the desire to “wear many hats” will all be essential skills for any successful applicant. You will be expected to teach yourself new skills and apply them to complete your tasks and projects, and you will receive guidance and mentorship along the way.Responsibilities:<ul><li>Design, build, and operate mechanical systems, test fixtures, and bespoke production equipment.</li><li>Develop system requirements for projects with full time technical staff</li><li>Sub-system level analysis, design, and assembly</li><li>Document design decisions and test results quickly and effectively</li><li>Develop, document, and execute mechanical test methods</li><li>CAD modeling, tolerance analyses, and 2D drawings</li><li>Use Alloy’s hardware and software to build customer parts</li><li>Create tickets, provide feedback, and debug software, process, and hardware issues</li></ul>Requirements:<ul><li>You take ownership of your projects, completing tasks efficiently and effectively</li><li>You are adaptable and excel when working in a fast-paced environment</li><li>Enjoy the gritty details of part design, material selection, and drawing</li><li>Past industry co-ops or internships strongly desired</li><li>Pursuing a degree in Mechanical, Industrial, or Manufacturing Engineering</li></ul><ul><li>Experience with rapid prototyping: 3D printing, mill, lathe, laser cutting, hand tools</li><li>SolidWorks, and experience making and modifying 2D Drawings</li><li>Firm understanding of mechanical engineering fundamentals</li><li>Basic SW experience is a plus: Python, linux, Jira, git, or PLC programming</li></ul>Additional requirementsThis position will require access to information subject to control under U.S. export control laws and regulations, including the Export Administration Regulations (“EAR”) and International Traffic in Arms Regulations (“ITAR”).&nbsp; Please note that any offer for employment will be conditioned on authorization to receive controlled items without sponsorship for an export license.&nbsp;&nbsp;Regarding SponsorshipApplicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa, including H-1B, H-1C, H-2A, H-2B, H-3, F-1 or OPT at this time.&nbsp;&nbsp;Equal employment opportunityWe are committed to creating an equitable and inclusive environment for all our employees and seek to build a team that reflects the diversity of the people we hope to serve with our products. We are proud to be an equal opportunity employer.

Mechanical Engineer - Co-op, Spring 2026 (January - June)

About the Job

About the Company

Alloy Enterprises

Similar Jobs

Thermal Design Engineer Co-Op, Spring 2026 (January - June)

Thermal Design Engineer Co-Op, Spring 2026 (January - June)

Materials Process Engineer - Co-op, Spring 2026 (January - June)

Materials Process Engineer - Co-op, Spring 2026 (January - June)

Mechanical Engineer Spring 2026 Co-op

Mechanical Engineer Spring 2026 Co-op

Intern, Mechanical Engineering - Summer 2026

Intern, Mechanical Engineering - Summer 2026

Engineer Intern - Mechanical (Summer 2026)

Engineer Intern - Mechanical (Summer 2026)

Co-Op, Production Engineering

Co-Op, Production Engineering

Engineer Intern - Mechanical (Summer 2026)

Engineer Intern - Mechanical (Summer 2026)

Manufacturing Intern - Summer 2026

Manufacturing Intern - Summer 2026

Mechanical Engineering Intern

Mechanical Engineering Intern

Mechanical Engineering Intern

Mechanical Engineering Intern