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Senior Mechanical Engineer - Powertrain Engineering

Join Arc as a Senior Mechanical Engineer to design and integrate complex electromechanical systems for the marine industry.

Location
Torrance, CA
Compensation
$150k–$180k/yr
Level
senior
Type
full time · On-site

Posted by employer 3 days ago

First seen on Joblaze 2 days ago

Last verified on the company career page 23 hours ago

What you'll build

  • Design and integrate electromechanical systems
  • Drive requirements definition and specifications
  • Support sea trials and in-field validation
  • Work with component suppliers and manufacturing teams
  • Build, test, and troubleshoot hardware

Must have

  • Bachelor’s degree in Mechanical Engineering
  • 5+ years of experience with mechanical systems
  • Functional knowledge of electrical systems
  • Experience with CAD software
  • Strong fundamentals in structural and thermal engineering
  • Clear written and verbal communication skills

Nice to have

  • Experience with commercial vessels
  • Familiarity with Coast Guard regulations
  • Experience with fluid system design
  • Deep experience with high-voltage battery systems
  • Exposure to sheet metal manufacturing
  • Enthusiasm for boating and marine systems

Practical constraints

  • On-site role
  • Occasional travel (~15%)

Requirements

Experience
5+ years
Education
Bachelor's degree

Not disclosed in this posting: visa sponsorship.

Benefits

401k Access Disability Insurance Generous PTO Health Insurance Relocation Assistance Parental Leave Life Insurance

Joblaze summary

In the role of Senior Mechanical Engineer at Arc Boat Company, the individual will be responsible for designing and integrating complex electromechanical systems throughout the entire vehicle lifecycle, from initial concept to production. Key skills include proficiency in CAD software, a solid understanding of electrical systems, and experience with structural and thermal engineering. This position is ideal for someone with over five years of experience in mechanical or electromechanical systems, particularly in fast-paced development environments. The company is focused on transforming the marine industry through electrification, making this a pivotal role in a growing sector.

Joblaze insights

  • Listed 2 days ago — first seen on Joblaze September 25, 2026. Last confirmed on Arc Boat Company's careers page September 27, 2026.
  • Salary band is above the typical range for comparable tech roles (median ~$126,887).
  • Starts above 49% of 43 comparable senior other roles in United States that list Mechanical Engineering we track (median $150,000 across 16 companies).
  • Mechanical Engineering appears in 3.8% of 2315 comparable senior other roles in United States; electromechanical systems appears in 0.1% of 2315 comparable senior other roles in United States.

Quick facts

Is the Senior Mechanical Engineer - Powertrain Engineering role remote?
No — this is an on-site role in Torrance, CA.
What's the salary range?
Arc Boat Company lists $150,000–$180,000 for this role.
How much experience is required?
At least 5 years of relevant experience for this Senior Mechanical Engineer - Powertrain Engineering role.
Where is the role based?
Arc Boat Company is hiring for this position in Torrance, CA.
What's the tech stack?
Joblaze extracted these technologies from the posting: CAD, FEA, MATLAB, Mechanical Engineering, Simulink, electromechanical systems.
What seniority level is this role?
Arc Boat Company targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Mechanical Engineer - Powertrain Engineering role at Arc Boat Company.

From the original posting

Arc is on a mission to electrify the marine industry. We're rethinking powertrains, software, and vessel designs from first principles. And we're already executing. We started with consumers to develop and harden our core technology. We're now scaling production of our flagship model with new models and sectors on the horizon. Now we're extending our platform to commercial applications, starting with tugs, ferries, and defense, with years worth of signed contracts and a pipeline that spans every vessel type on the water.

The technology is proven, the momentum is building, and the opportunity is enormous. The marine industry is going electric and Arc is building the platform that powers it.

Who we're looking for

Who We're Looking For
As Arc’s Senior 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, Powertrain Hardware Engineering

What you'll do

  • 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 (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
  • 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

Minimum Qualifications

  • Bachelor’s degree in Mechanical Engineering or related Engineering 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
  • 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 fluid system design, including pump sizing, heat exchanger sizing, and hose/pipe routing
  • Deep experience with high-voltage battery system design or integration (beyond general functional knowledge)
  • Exposure to sheet metal manufacturing, CNC machining, composites, or shop tools
  • 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

What we offer

The base salary for this role is P3: $150,000 P4: $180,000 annually.

  • Healthcare benefits — 99% employer-paid medical, dental, and vision
  • Parental leave — 14 weeks fully paid for birthing and non-birthing parents
  • Generous time off — Highly competitive PTO with an opportunity to earn more time with tenure
  • Income protection — Life and disability insurance for all employees
  • Retirement savings — Traditional and Roth 401(k) access
  • Water fund — $500 for you to spend each year to get out on the water, however you choose
  • Professional development — $500 annual reimbursement for professional development and a monthly AI stipend
  • Safety Support- Annual reimbursement for PPE, ergonomic equipment and anything that ensures we keep our crew safe
  • Captain training — Training and access to take Arcboats out with friends and family
  • Office perks — Daily lunches, snacks, and good coffee while onsite
  • Relocation assistance — Available depending on role eligibility.



Standard company text repeated across Arc Boat Company's postings is omitted here.

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