Rivian · 1 week ago
Staff Mechanical Design Engineer, Motor
Tustin, CA
Full-time
Onsite
Senior Level, Lead/Staff
$138K/yr - $172K/yr
5+ years expRivian is on a mission to keep the world adventurous forever, focusing on emissions-free Electric Adventure Vehicles. The Staff Mechanical Design Engineer, Motor will guide and shape the design and integration of electric motors, ensuring performance and manufacturability through various analyses and collaborations with suppliers.
AutomotiveElectric VehicleManufacturingTransportation
Responsibilities
Design mechanical components of stators, rotors, and their integration
Iterate motor mechanical designs to optimize electromagnetic performance while ensuring manufacturability and cost-effectiveness
Lead engineering on winding technologies, magnet materials, lamination methods, insulation, and electrical interconnections
Design, model, and simulate electromagnetic components and systems using industry-standard software
Develop detailed CAD drawings and manufacturing instructions
Perform linear static stress and structural analyses on components under operational and dynamic loads
Execute and document Design Verification Plans & Reports (DVP&R)
Develop and maintain Design Failure Mode and Effects Analyses (DFMEAs)
Coordinate validation and quality assurance activities with Tier 1 and Tier 2 suppliers
Collaborate across disciplines to advance designs from initial concept through prototyping to mass production
Support hands-on prototype assembly, testing, and component fabrication
Qualification
Required
BS in Mechanical Engineering, Electrical Engineering, or a related field
5+ years of experience leading validation efforts in automotive or high-power product field
Proficient in CAD tools and PLM systems for component design, including BOM structuring and engineering change control
Proficient in industry-standard electromagnetic simulation
Strong mechanical engineering foundation, with expertise in materials, heat treatments, statics, dynamics, and mechanics of materials
Experienced in high-volume manufacturing techniques for electric motor components (e.g., stamping, winding, welding)
Deep understanding of electric motor design parameters and their influence on torque, power, efficiency, thermal performance, and NVH
Skilled in FEA using tools like Ansys, Abaqus, and HyperWorks; experienced with MATLAB and/or Python for performance modeling and data analysis
Proficient in GD&T and tolerance stack-up analysis to ensure reliability
Hands-on experience with integration, assembly, testing, and troubleshooting of electric motors
Preferred
MS in Mechanical Engineering, Electrical Engineering, or a related field
Experience with CATIA/3DExperience
Benefits
Rivian provides robust medical/Rx, dental and vision insurance packages for full-time employees, their spouse or domestic partner, and children up to age 26. Coverage is effective on the first day of employment.
Company
Rivian
Rivian is an automotive technology company that develops products and services to advance the shift to sustainable mobility.
10001+ employees
H1B Sponsorship
Rivian has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (38)
2024 (70)
2023 (54)
2022 (79)
2021 (21)
Funding
Current Stage
Public CompanyTotal Funding
$21.93BKey Investors
Volkswagen GroupUS Department of EnergyIllinois Department of Commerce & Economic Opportunity
2025-06-30Post Ipo Equity· $1B
2024-11-25Post Ipo Debt· $6.6B
2024-05-02Grant· $827M
Leadership Team
Robert Scaringe
Chief Executive Officer
Claire McDonough
Chief Financial Officer
Recent News
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2026-01-18
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2026-01-17
San Gabriel Valley Tribune
2026-01-17
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