Mechanical Engineering Intern — Marine Hardware & Prototyping

Arcboatcompany; Torrance (CA); On-site; USD 47,000 - 52,000; Full time

Benefits offered by this job

Boat days – water time

401(k) retirement savings access

PPE and safety reimbursement

Relocation Assistance

Mentorship Opportunities

Office perks – lunches and coffee

Job summary

Arc seeks a Mechanical Engineering summer intern for 2027, joining our Torrance, CA team. You’ll design and release hardware, own a project from concept to test, and build prototypes in shop and on water under mentorship.

You’ll create CAD models, drawings, and analyses, and present results to the team. The role emphasizes hands-on fabrication, strong fundamentals in mechanics, and clear communication in a fast-paced startup.

Qualifications

• Currently a junior or senior pursuing a Bachelor's degree in Mechanical Engineering or related field.
• Hands-on engineering experience through a prior internship, project team, research, or personal projects.
• Proficiency in 3D CAD tools (NX, CATIA, or SolidWorks).
• Solid grasp of fundamentals: statics, mechanics of materials, fluids.
• Willingness to work hands-on with fabrication, assembly, and testing.
• Ability to explain and defend design decisions.
• Clear written and verbal communication.
• Eagerness to learn and adapt in a dynamic startup environment.

Responsibilities

• Designing and releasing hardware with mentorship from a full-time engineer.
• Owning a defined project from requirements through design, prototype, and test during the internship.
• Building and testing prototypes in shop and on water; assisting root-cause analysis.
• Creating CAD models, drawings, and supporting analysis for parts and assemblies.
• Presenting work and results to the engineering team.

Skills

Hands-on engineering experience

3D CAD proficiency

Statics & mechanics of materials

Fabrication & testing

Design reasoning & defense

Written & verbal communication

Learning & adaptability

Leadership in student project

Education

Bachelor's degree in Mechanical Engineering (in progress)

Tools

NX

CATIA

SolidWorks

Teamcenter (PLM)

Job description

Arc seeks a Mechanical Engineering summer intern for 2027, joining our Torrance, CA team. You’ll design and release hardware, own a project from concept to test, and build prototypes in shop and on water under mentorship.

You’ll create CAD models, drawings, and analyses, and present results to the team. The role emphasizes hands-on fabrication, strong fundamentals in mechanics, and clear communication in a fast-paced startup.