High-Voltage EV Mechanical Packaging Engineer (400–800V)

Socket.dev; Carlsbad (CA); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Stock option grants

Fully funded benefits for employee + 1

Flexible Time Away policy

Job summary

Socket.dev is seeking an experienced Mechanical Design Engineer to package 400–800 V EV components. You will craft compact enclosures for PCAs, busbars, and harnesses, ensuring thermal, dielectric, and EMI/EMC reliability. You’ll work with electrical and systems engineers to optimize layouts and supplier manufacturability.

The role requires 5+ years in HV mechanical packaging, a CATIA background, and hands-on assembly experience. Arcadia experience is a plus, with on-the-job learning available.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 5+ years of experience in mechanical packaging of HV EV components.
• Proficiency in 3D CAD (CATIA) and ability to deliver production-ready models.
• Familiarity with EMI/EMC design considerations in packaging.

Responsibilities

• Package high-voltage (400–800 V) automotive systems, including PCAs, busbars, harnesses, and power distribution units.
• Develop dense, compact layouts optimizing thermal performance and dielectric strength.
• Apply dielectric materials knowledge and creep considerations for safe, durable designs.
• Collaborate with electrical engineers on placement, routing, and packaging trade-offs.
• Incorporate EMI/EMC mitigation strategies into packaging solutions.
• Produce 3D CAD models and 2D drawings (CATIA preferred; Arcadia learning on the job).
• Support harness routing/packaging with Arcadia; participate in design reviews and supplier work.
• Hands-on assembly of designs to prove out concepts and create work instructions.

Skills

High-voltage packaging

3D CAD modeling

EMI/EMC design

Harness routing design

Dielectric materials knowledge

Education

Bachelor's degree in Mechanical Engineering

Tools

Arcadia

CATIA

Job description

Socket.dev is seeking an experienced Mechanical Design Engineer to package 400–800 V EV components. You will craft compact enclosures for PCAs, busbars, and harnesses, ensuring thermal, dielectric, and EMI/EMC reliability. You’ll work with electrical and systems engineers to optimize layouts and supplier manufacturability.

The role requires 5+ years in HV mechanical packaging, a CATIA background, and hands-on assembly experience. Arcadia experience is a plus, with on-the-job learning available.