Manufacturing Engineering Intern (Electric Marine)

Location: Torrance, CA; onsite at the Torrance headquarters from June 14 to August 20, 2027.

Salary: $36 per hour.

Company

Arc is electrifying the marine industry by developing electric powertrains, software, and vessel designs for consumer, commercial, tug, ferry, and defense applications.

What you will do

• Observe production processes and perform time studies to identify bottlenecks, excess motion, rework, and opportunities to reduce build hours.
• Create and improve work instructions, process flows, and assembly sequences with technicians and engineers.
• Design, prototype, and validate tools, fixtures, and shop aids for repeatability, ergonomics, and build quality.
• Support root-cause investigations and corrective actions for production issues.
• Partner with design engineering and quality on manufacturability and new part or process introduction.
• Analyze build and quality data, document results, and present the improvement project and recommendations.

Requirements

• Pursuing a degree in Manufacturing, Mechanical, or a related engineering discipline.
• Experience building, assembling, testing, or improving hardware through coursework, a student team, research, an internship, or personal projects.
• Foundational understanding of engineering drawings, tolerances, and common manufacturing or assembly methods.
• Basic ability to create or modify parts in a 3D CAD tool.
• Ability to organize and analyze data using Excel, Google Sheets, or a similar tool.
• Clear communication, attention to detail, and a collaborative approach to problem solving.
• Willingness to work hands-on in a production environment, follow safety procedures, and learn from technicians.

Nice to have

• Experience with composites, bonding, trimming, finishing, mechanical assembly, or battery manufacturing.
• Exposure to time studies, standard work, line balancing, lean manufacturing, or continuous improvement.
• Experience designing fixtures or using machining, 3D printing, or other fabrication methods.
• Familiarity with NX, Teamcenter, a manufacturing execution system, or digital work instructions.
• Experience on a student engineering team or in a manufacturing setting.
• Interest in electric vehicles, boats, and improving how products are built.

Culture & Benefits

• Mentorship from a full-time manufacturing engineer and collaboration with engineers, technicians, supervisors, and quality partners.
• Relocation assistance and mentorship opportunities.
• Traditional and Roth 401(k) access.
• Reimbursement for PPE, ergonomic equipment, and other safety-related equipment.
• Boat days, daily lunches, snacks, and coffee while onsite.
• Values include ownership, empathy, humility, pragmatism, and inclusion.