Engineering Intern

Job Description

About the Job

Ducommun is seeking an Engineering Intern for summer 2026 to provide engineering support at their facility in St. Croix Falls, WI.

Who We Are

Founded in 1849, Ducommun is California’s oldest company. It began as a hardware supply store during the California Gold Rush and later played a pivotal role in the birth of the aerospace industry in Southern California by supplying aircraft aluminum to pioneers such as Lindbergh, Douglas, and Lockheed.

Today, Ducommun is a global provider of innovative manufacturing solutions for customers in the aerospace, defense, and industrial markets. They specialize in electronic and structural systems, producing complex products and components for:

• Commercial aircraft platforms
• Mission-critical military and space programs
• Sophisticated industrial applications

The St. Croix Falls, WI facility focuses on ammunition handling & delivery systems, supporting a full spectrum of small and medium caliber weapons.

Job Summary

The Engineering Intern will contribute to various engineering tasks, including:

• Managing all aspects of small projects, with regular review by senior staff.
• Developing and prototype testing ammunition handling systems.
• Processing Engineering Change Orders (ECOs) and supporting engineering documentation.
• Adhering to General Requirements of Team Members.
• Performing other duties as required.

Required Skills And Qualifications

• 3D CAD Modeling and drawing skills required; Autodesk Inventor preferred.
• Troubleshooting and problem-solving ability.
• Proficient in technical writing and good documentation skills; attention to detail is critical.
• Ability to read and interpret engineering drawings.
• Prior experience with an ISO or AS9100 environment is a plus.
• Prior hands-on experience with hand tools and hardware preferred.
• Prior experience on an engineering team (school or personal projects included) preferred.
• Demonstrated analytical expertise including ability to plan, resolve problems effectively, and establish priorities.
• Understanding of DOE (Design of Experiments).
• Working knowledge at an intermediate level of computer skills in Word, Excel, and PowerPoint.
• Ability to communicate effectively with customers and project the company image.
• Ability to handle multiple tasks simultaneously.

Required Experience And Education

• Upper-level or Graduate student studying Mechanical Engineering, Aerospace Engineering, or a similar field from an accredited College or University.
• Must be continuing education post-internship.

ITAR/EAR Compliance

This position requires access to export-controlled information and/or hardware. Candidates must be U.S. Persons that comply with all U.S. Export control laws and regulations. As such, U.S. citizenship, U.S. lawful permanent resident status, protected person status under 8 U.S.C. 1324b(a)(3), or the ability to meet ITAR and EAR requirements is required.

Equal Opportunity Employer

Veterans/Disabled

Location

1105 E Pine St
St Croix Falls, Wisconsin, 54024
United States