Manufacturing Engineer Intern Fall 2026

Re:Build Manufacturing; Merrimack (NH); On-site; USD 33,000 - 50,000; Part time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Retirement plan

Paid time off

Employee ownership opportunity

Job summary

Re:Build Manufacturing is seeking interns for its Nashua, NH manufacturing floor to join a hands-on team. You will assemble components, test subassemblies, and work alongside technicians to troubleshoot and improve production processes.

Ideal candidates are completing a two- or four-year technical degree in mechanical or manufacturing fields, with hands-on shop experience, good communication, and the physical ability to stand, bend, and lift as needed on an active production line.

Qualifications

• Completion or near-completion of a two- or four-year technical degree in Mechanical/ Manufacturing fields.
• Hands-on experience in an assembly, production, or manufacturing environment.
• Experience with hand tools, mechanical assembly, or general shop-floor work.
• Ability to apply structured problem-solving to manufacturing challenges.
• Clear written and verbal communication skills.
• Comfort working in-person on a manufacturing floor with cross-team collaboration.
• Ability to meet physical requirements of a hands-on manufacturing role (standing, bending, lifting).

Responsibilities

• Perform hands-on assembly of components, subassemblies, and systems with production teams.
• Fit, adjust, and test hardware to verify form, function, and conformance to specifications.
• Troubleshoot assembly and production issues with technicians and operators.
• Support manufacturing improvements by observing processes, gathering data, and helping implement corrective actions.
• Contribute to manufacturing line planning, layouts, and process flow.
• Conduct timing studies to evaluate cycle times and identify improvement opportunities.
• Assist with the design, evaluation, and testing of fixtures and tooling.
• Document assembly procedures, work instructions, and process observations.

Skills

Mechanical assembly

Hand tools

Problem solving

Written communication

Verbal communication

Team collaboration

Physical endurance

Education

Two- or four-year technical degree

Job description

AtRe:Build, our mission is to ensure the next generation of important products are made, at scale, in America. We are laying the foundation for a better future for our customers, employees, and communities by revitalizing America's manufacturing base and creating meaningful jobs across the country, including in historically deindustrialized regions.

We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products from first concept to full-scale production in critical verticals including aerospace and defense, electrification, medical, energy and environment, and robotics and automation.

The way we operate is as important as the work we do. It's guided by TheRe:BuildWay, 16 principles that shape how we collaborate with each other, partner with our customers and vendors, and contribute to the communities where we operate. (link to The Re:Build Way principles)

Who is Re:Build DAPR Engineering

Re:Build DAPR Engineering, LLC (DAPR) is an engineering design and analysis consulting firm in Nashua, New Hampshire. We work with customers across many industries to develop and deliver turnkey industrial machines to meet their unique requirements. We design and build custom automation solutions, work with OEM's to develop industrial products, and provide engineering analysis using FEA tools.

Who We Are Looking For

You enjoy combining engineering thinking with hands-on manufacturing work. You’re comfortable on the production floor—building, testing, troubleshooting, and working alongside technicians, operators, and manufacturing teams.

This internship is best suited for someone who has completed or is nearing completion of a two- or four-year technical degree and has practical experience in an assembly, production, or manufacturing environment. You bring mechanical aptitude, experience with hand tools, and curiosity about improving how products are built.

What You Get To Do

• Perform hands-on assembly of components, subassemblies, and systems alongside manufacturing and production teams.
• Fit, adjust, and test hardware to verify proper form, function, and conformance to specifications.
• Troubleshoot assembly and production issues with technicians and operators.
• Support manufacturing improvements by observing processes, gathering data, and helping implement corrective actions.
• Contribute to manufacturing line planning, layouts, and process flow.
• Conduct timing studies to evaluate cycle times and identify improvement opportunities.
• Assist with the design, evaluation, and testing of fixtures and tooling.
• Document assembly procedures, work instructions, and process observations.

What You Bring To The Team

• Completion or near-completion of a two- or four-year technical degree in Mechanical Engineering, Manufacturing Engineering, Industrial Technology, or a related field.
• Hands-on experience in an assembly, production, or manufacturing environment.
• Experience with hand tools, mechanical assembly, or general shop-floor work.
• Ability to apply structured problem-solving to manufacturing challenges.
• Clear written and verbal communication skills.
• Comfort working in an in-person manufacturing environment and collaborating across engineering and production teams.
• Ability to meet the physical requirements of a hands-on manufacturing role, including extended standing, bending, stooping, and lifting.

The hourly rate for this position is $24.00 - $36.00. This range represents the Company’s good faith estimate of the base compensation for this role at the time of posting. Actual compensation will be determined based on several factors, including but not limited to relevant experience, skills, qualifications, internal equity, and geographic location. In addition to hourly rate, this role may be eligible for annual incentive compensation and/or long-term incentives, subject to Company plans. The Company offers a comprehensive benefits package including medical, dental, vision, retirement, paid time off, and other benefits

The BIG payoff

We are a company who is going to make a difference in the industries and the communities in which we choose to operate. Every employee of Re:Build will share ownership in the company and will share in the financial rewards of the success we achieve together, at all levels of the company!

We want to work with people that reflect the communities in which we operate

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and Affluent Action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure and life experiences. Or for any other reason.

Re:Build is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at [e-mail] or you may call us at 617.909.6275.