Lead Battery Pack Mechanical Engineer

Arc Boat Company; Torrance (CA); On-site; USD 150,000 - 180,000; Full time

Benefits offered by this job

Healthcare benefits

Parental leave

Generous time off

Income protection

Retirement savings

Water fund

Professional development

Safety Support

Captain training

Office perks

Relocation assistance

Job summary

Arc Boat Company is seeking a Senior Battery Mechanical Engineer to own the mechanical design of our battery packs at our Los Angeles headquarters. You will move fast, take ownership, and focus on details while building for production.

You’ll lead pack design, perform analyses, and collaborate with electrical teams to ensure safe, manufacturable systems for marine applications. This is a full-time on-site role.

Qualifications

• 6+ years mechanical engineering with 3+ years in battery packs from concept to production.
• Strong fundamentals in structural and thermal engineering with hands-on FEA and calculations.
• Working knowledge of high voltage battery systems and safety considerations.
• Experience collaborating with electrical engineers on busbars, interconnects, and BMS/sensor integration.
• Proficient with a major CAD package (NX) and large assemblies.
• Ability to create and detail engineering drawings with GD&T.
• Understanding manufacturing costs and part fabrication implications.
• Hands-on production hardware design, build, and troubleshooting.
• Clear written and verbal communication; fast-paced execution.

Responsibilities

• Lead pack mechanical design across product lines from architecture to packaging.
• Perform structural analysis on enclosures, busbars, and components against loads.
• Size and design thermal management systems and validate with test data.
• Collaborate with electrical engineers on cell selection, interconnects, and BMS integration.
• Package packs into hull envelopes balancing energy density, mass, and manufacturability.
• Build and test prototypes; drive design iterations from results.
• Support sea trials to validate systems in the field.
• Interface with suppliers and assist production ramp.

Skills

Battery design

Structural analysis

Thermal management

HV isolation

Busbar design

NX CAD

GD&T

Prototype testing

Field testing

Production support

Cell-to-pack design

Battery safety standards

Fluid system design

Sheet metal manufacturing

Marine vessel experience

Matlab/Simulink

Boating enthusiasm

Education

Bachelor's degree in Mechanical Engineering

Tools

FEA

NX CAD

Engineering drawings

Job description

Arc Boat Company is seeking a Senior Battery Mechanical Engineer to own the mechanical design of our battery packs at our Los Angeles headquarters. You will move fast, take ownership, and focus on details while building for production.

You’ll lead pack design, perform analyses, and collaborate with electrical teams to ensure safe, manufacturable systems for marine applications. This is a full-time on-site role.