Who We're Looking ForAs Arc's Mechanical Engineer, you will own the design and integration of complex electromechanical systems across the full vehicle lifecycle- from early concept and requirements through prototyping, validation, sea trials, and production.
This is a full-time, on-site role at our Los Angeles headquarters reporting to our Manager, Mechanical Systems Engineering
What you'll do- Working across mechanical, electrical, thermal, and manufacturing domains
- Understanding how assemblies, subsystems, and components interact as part of a larger integrated vehicle.
- Driving execution across suppliers, shipyards, manufacturing partners, and internal cross-functional teams.
- Owning the design and integration of complex electromechanical systems across the vehicle lifecycle, from concept through production
- Driving requirements definition, specifications, CAD design, hands-on prototyping, analysis (FEA, numerical modeling, hand calculations), 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
- Supporting sea trials and in-field validation to verify system performance and resolve real-world issues
- Working closely with component suppliers, partner shipyards, manufacturing teams, and vessel operators to drive execution
- Traveling occasionally (~15%) to support testing, validation, suppliers, and field operations
Minimum Qualifications- 4+ years of experience owning complete mechanical or electromechanical systems from initial design through production
- Strong fundamentals in structural and thermal engineering
- Functional knowledge of electrical systems, including high-voltage battery systems and power electronics
- Experience designing large assemblies or complex multidisciplinary systems
- 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 principles
- Practical experience designing, building, debugging, and troubleshooting hardware in production or prototype environments
- Ability to move quickly and make sound engineering decisions in ambiguous environments
- Clear written and verbal communication skills
- Strong time management and prioritization skills
- Comfortable working hands-on in the field, including on boats and at shipyards
Bonus Qualifications- Experience working on commercial vessels or marine systems, including familiarity with Coast Guard and ABS regulations
- Experience with high voltage battery systems
- Exposure to sheet metal manufacturing, CNC machining, composites, or shop tools
- Experience with fluid system design including pump sizing, heat exchanger sizing, and hose/pipe routing
- Experience creating detailed engineering drawings with strong GD&T fundamentals
- Comfortable pushing at a fast but sustainable pace
- Enthusiasm for boating, marine systems, and the water
