Manufacturing Engineering Intern Jobs

Manufacturing Engineering Intern at Sirtex Medical supporting validations, testing, CAD modeling, and quality activities at the Wilmington, MA facility.

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.

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

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.

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.

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.

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

Sigma Defense seeks a detail-oriented General Engineering Intern in Perry, GA to assist in assembling, testing, and documenting electronic and mechanical communications equipment.

Contribute to production efficiency and quality improvements as a Summer 2026 Engineering Intern at Cornerstone Building Brands’ Ply Gem Windows plant in Auburn, WA.

Cornerstone Building Brands seeks a hands-on Continuous Improvement Engineering Intern to support Spokane plant projects such as standard work documentation, time studies, and line balance charts for Summer 2026.

Cornerstone Building Brands seeks a Summer 2026 Reliability Engineer Intern to support maintenance documentation, CMMS utilization, and reliability improvements at its Kearney, MO facility.

A hands-on summer 2026 Process Engineer Intern role at Cornerstone Building Brands to learn production-system methods and implement process improvements on-site in Rocky Mount, VA.

Product Engineering Intern supporting design, prototyping, testing and product improvement projects for Cornerstone Building Brands during Summer 2026.

Support product design, prototyping, and testing for a market-leading exterior building products manufacturer as a Product Engineering Intern during Summer 2026.

A manufacturing-focused leadership internship where engineering students work alongside leaders to drive process improvements, build operational knowledge, and present a capstone project at the end of the summer.

Cornerstone Building Brands is hiring a Summer 2026 Continuous Improvement Intern to support data-driven process improvements and documentation at its Phoenix manufacturing location.

Summer 2026 internship supporting continuous improvement projects at Cornerstone's Spokane Valley plant, focused on standard work, time studies and line balance analysis.

CRB is hiring a Process Engineering Intern for Summer 2026 to assist with process design deliverables and site coordination across life sciences and food & beverage projects.

Cornerstone Building Brands is hiring a Product Engineer Intern to develop CAD models, create ASME-compliant drawings, and support production standardization at its Spokane Valley manufacturing facility for Summer 2026.

Heron Power is hiring a Supply Chain Intern to support sourcing, RFx processes, cost modeling, and supplier quality for next-generation power electronics in Scotts Valley.

A Summer 2026 Engineering Intern will join Sanofi's FFIP Business Systems team in Swiftwater to support data quality, modeling, visualization, and digital process-improvement initiatives.

INFICON seeks an Operations Engineering Co-Op to support manufacturing troubleshooting, process documentation, and continuous improvement at its Syracuse facility.

A paid 12-week engineering internship at Sonoco offering hands-on manufacturing and packaging project work, mentorship, and potential pathways into full-time Emerging Leader roles.

Summer engineering internship supporting CAD design, prototype testing, test analysis, and production support for a Bethlehem-based engineering team.