Manufacturing Intern Jobs

An onsite Engineering Intern role at Service Wire Company to support manufacturing process improvements, BOM and drawing updates, and production time studies.

ABCO Subsea is recruiting Mechanical Engineering students for a hands-on Engineering Design Internship in Houston focused on CAD-driven subsea equipment design and manufacturing documentation.

Be part of a hands-on engineering team at H3X Technologies as a Mechanical Design Engineer Intern, owning part designs, analyses, prototypes, and test validation for next-generation electric motors.

Amca seeks a hands-on Mechanical Engineering Intern to support CAD design, prototyping, testing, and production-readiness work on aerospace flight hardware.

Contribute to production-quality robotics by helping design, validate, and deploy manufacturing test systems at Dexterity's Redwood City facilities.

Hands-on engineering internship on Lumafield’s Process team contributing to CT scanner R&D, experiments, prototyping, and data-driven troubleshooting.

Gain hands-on manufacturing engineering experience at Sirtex Medical supporting validations, product testing, SolidWorks modeling, and quality documentation in a hybrid internship based in Wilmington, MA.

Catalent is looking for a motivated engineering undergraduate intern in Madison, WI to support cross-functional projects using data, analytics, and emerging technologies to advance drug development and delivery.

Support plant engineering and continuous improvement efforts at Cornerstone Building Brands by assisting with layout, process documentation, time studies, data analysis, and automation initiatives during a Summer 2026 internship.

Alcon is hiring a Summer 2026 R&D intern to support equipment qualification, IOQ execution, and GMP documentation for drug-device combination products at its Durham site.

Sonoco is hiring an Industrial Safety Engineer Intern to support safety audits, incident investigations, and continuous improvement projects at its Columbus metal packaging facility while gaining practical manufacturing experience.

A Summer 2026 Continuous Improvement Intern will gain hands-on experience improving manufacturing processes at Cornerstone Building Brands through data analysis, documentation, and cross-functional project work.

A summer Process Engineering Intern will join Cornerstone Building Brands’ plant team in Denver to run process analyses, support Kaizen events, and design small manufacturing jigs to improve production efficiency.

A hands-on summer internship at iRocket for engineering and technical students to work on hardware, test campaigns, manufacturing, data pipelines, and launch operations under senior mentorship.

Support the Product Engineering team at Cornerstone Building Brands with design, prototyping, testing, and manufacturing support for window and door product development during a paid summer internship.

EHS Intern at Clarios’ Toledo manufacturing plant to support hazard hunts, incident investigations, and lockout procedure development during Summer 2026.

A hands-on summer internship at Cornerstone Building Brands to learn and apply Lean/continuous improvement methods on manufacturing lines in Paris, IL.

A Summer 2026 Quality/Process Intern role at Cornerstone Building Brands to support QA and process-improvement projects through data analysis, SOP updates, and training material development.

Cornerstone Building Brands is hiring a Process Engineering Intern to support on-site manufacturing process improvements and implement Lean methodologies across production lines.

Support manufacturing process improvements and Lean initiatives at Cornerstone Building Brands' Lithia Springs facility as a Process Engineer Intern for Summer 2026.

Summer Engineering Intern at Cook Medical supporting Quality or R&D engineering projects with hands-on work in medical device manufacturing.

Sales Intern at RRD providing hands-on sales experience through training, client engagement, projects, and shadowing to prepare for a potential full-time development role.

Summer internship with a medical device manufacturer offering practical statistics and data science experience in manufacturing quality, inference, and visualization.

Hands-on summer internship at a Frankfort distillery for engineering students to lead process-improvement projects and collaborate closely with senior leadership.

Contribute to production planning, tooling, and factory systems as a Manufacturing Engineering Intern at a rapidly scaling defense-tech startup.

Alcon is looking for a Production Scheduler Intern to help optimize material planning, MRP actions, and supplier coordination to support timely production of vision care products.

Cornerstone Building Brands is hiring a Product Engineer Intern to create and standardize CAD models and manufacturing drawings while contributing to continuous improvement at the Spokane Valley site.

RRD is hiring a Sales Intern in Timonium, MD to gain practical, cross-functional experience supporting sales, marketing, operations and project work within a global manufacturing environment.

Support manufacturing and engineering teams at Teledyne's Miamisburg site by assisting with design documentation, process engineering tasks, and hands-on manufacturing support.

Clarios is hiring a Summer 2026 Automation Intern in the Toledo/Holland, OH area to assist with PLC programming, SCADA development, and electrical documentation at its manufacturing plant.

Summer internship supporting the COLUMBIA Design & Engineering program in Groton, CT, providing hands-on engineering and program experience for undergraduate and graduate students.

Work at an early-stage YC-backed startup in SoMa building and testing high-altitude balloon flight systems, owning hands-on design, fabrication and flight-test activities.

A summer 2026 internship at Ingredion’s Westchester site offering hands-on data science work in supply chain analytics, reporting, and predictive modeling to support global operations.

Daikin Applied is hiring a Manufacturing Engineering Intern to support process design and production improvements at its Faribault, MN facility for May–August 2026.