Senior Mechanical Engineer, Marine Electrification

Arc; Los Angeles (CA); On-site; USD 150,000 - 185,000; 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, headquartered in Los Angeles, seeks a Senior Mechanical Engineer to own the design and integration of complex electromechanical systems across the vehicle lifecycle, from concept through production. This on‑site role reports to the Manager, Powertrain Hardware Engineering, and collaborates across mechanical, electrical, thermal, and manufacturing domains.

You will engage in requirements definition, CAD design, hands‑on prototyping, and validation, with emphasis on manufacturability and

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 5+ years of experience owning complete mechanical or electromechanical systems, including large assemblies or complex multidisciplinary systems, from initial design through production.
• Functional knowledge of electrical systems, including high‑voltage battery systems and power electronics.
• Strong fundamentals in structural and thermal engineering.
• Experience with CAD software such as NX, CATIA, or SolidWorks.
• Experience with analysis and modeling tools such as MATLAB, Simulink, or FEA packages.
• Strong intuition for manufacturing methods and design‑for‑manufacturability (DFM) principles.
• Practical experience designing, building, debugging, and troubleshooting hardware in production or prototype environments.
• Clear written and verbal communication skills.
• Strong time management and prioritization skills.

Responsibilities

• Owning the design and integration of complex electromechanical systems across the vehicle lifecycle, from concept through production.
• Working across mechanical, electrical, thermal, and manufacturing domains.
• Understanding how assemblies, subsystems, and components interact as part of a larger integrated vehicle.
• Driving requirements definition, specifications, CAD design, hands‑on prototyping, analysis, validation, and production support.
• Designing with manufacturability, serviceability, reliability, and real‑world operating conditions in mind.
• Building, testing, troubleshooting, and iterating on hardware in fast‑moving development environments.
• Working closely with component suppliers, partner shipyards, manufacturing teams, and vessel operators to drive execution.
• Supporting sea trials and in‑field validation to verify system performance and resolve real‑world issues.
• Traveling occasionally (~15%) to support testing, validation, suppliers, and field operations

Skills

electromechanical systems

CAD software

thermal engineering

structural engineering

DFM principles

communication skills

fieldHands-on work

Education

Bachelor's degree in Mechanical Engineering

Tools

NX

CATIA

SolidWorks

MATLAB

Simulink

FEA packages

Job description

Arc, headquartered in Los Angeles, seeks a Senior Mechanical Engineer to own the design and integration of complex electromechanical systems across the vehicle lifecycle, from concept through production. This on‑site role reports to the Manager, Powertrain Hardware Engineering, and collaborates across mechanical, electrical, thermal, and manufacturing domains.

You will engage in requirements definition, CAD design, hands‑on prototyping, and validation, with emphasis on manufacturability and