Hands-On Mechanical Engineering Intern: Prototyping & Testing

Second Order Effects; El Segundo (CA); On-site; USD 63,360 - 77,440; Full time

Benefits offered by this job

Flexible hours

Work from home

Health insurance for employee

Family coverage

Paid time off

401(k) match

Housing stipend

EV charging

Catered lunches

Job summary

Second Order Effects in El Segundo, CA, is seeking a Mechanical Engineering Intern to support the design, development, and testing of complex mechanical systems for customer projects. You will contribute across the full development lifecycle from concept and simulation to prototyping, validation, and integration.

You will use CAD, FEA, and hand calculations to design robust mechanisms, perform thermal and structural analyses, and support manufacturability with a hands-on approach that

Qualifications

• Current enrollment in a college program in Mechanical/Aerospace Engineering, Physics, Robotics, or related field.
• Experience in designing, modeling, simulation, and testing of electromechanical components or assemblies.
• Experience with hand calculations, finite element analysis (FEA), and computer-aided design (CAD).
• Demonstrated passion and curiosity for mechanical engineering.
• Strong problem-solving skills and initiative to overcome technical challenges.
• Strong written and verbal technical communication skills; ability to explain design decisions and component selections.

Responsibilities

• Ownership: Contribute to the design of mechanical systems for customers across various industries.
• Design & Analysis: Utilize CAD and simulation tools to develop structural, thermal, and tolerance analyses for electromechanical assemblies, using hand calculations and FEA.
• Thermal Management: Design and analyze active and passive thermal management systems for custom electronic systems and packaging solutions.
• Prototyping & Testing: Participate in test campaigns to validate hardware performance under shock, vibration, thermal, and other environmental stresses.

Skills

Mechanical engineering

FEA

CAD

Thermal management

Structural analysis

Hand calculations

Education

Undergraduate student in Mechanical/Aerospace/Physics/Robotics

Tools

CAD software

FEA software

Job description

Second Order Effects in El Segundo, CA, is seeking a Mechanical Engineering Intern to support the design, development, and testing of complex mechanical systems for customer projects. You will contribute across the full development lifecycle from concept and simulation to prototyping, validation, and integration.

You will use CAD, FEA, and hand calculations to design robust mechanisms, perform thermal and structural analyses, and support manufacturability with a hands-on approach that