Rivian · 1 day ago
Sr. Motor Mechanical Engineer
Carson, CA
Full-time
Onsite
Senior Level
$108K/yr - $135K/yr
5+ years expRivian is on a mission to keep the world adventurous forever, focusing on emissions-free Electric Adventure Vehicles. The Sr. Motor Mechanical Engineer will collaborate with the Electric Machine Mechanical Design Team to develop electric motors, involving tasks such as designing components, creating drawings, and supporting prototyping and testing.
AutomotiveElectric VehicleManufacturingTransportation
Responsibilities
Design sub-systems and components for various electric drive units, including wound field motor, permanent magnet motor, and motor mechanical structural components
Generate & revise detailed 3D CAD models and 2D drawings of electro-mechanical designs at a component and motor sub-system level using CATIA V6
Review designs & drawings for completeness and accuracy
Develop detailed work instructions, assembly guidance, and related documentation
Analyze and verify preliminary and detailed designs with analytical calculations and numerical (FEA) as required
Collaborate and manage suppliers with DFM, DFA, and open issues lists to ensure on-time delivery of parts and quality conformance according to the acceptance criteria
Support developing component technical specifications, DVP&Rs, test & validation plans, and Statements of Work (SOW) as required
Design of related assembly tooling and fixtures for early prototype development and testing
Ensure timely completion of project deliverables, including designs, drawings, analyses, and other documentation as required
Lead and support developmental activities of various laboratory work from assembly builds to test and validation with a hands-on approach
Ability to travel to suppliers and Rivian manufacturing plants to support with experimental studies, root cause identification, and resolution
Cross-functional collaboration with multi-disciplinary teams across Rivian
Support root cause analysis studies to identify issue origin, determine appropriate containment plan, and permanent resolution for the issue
Qualification
Required
5+ years of experience in mechanical design of complex systems and components, in a fast-paced environment
Formal education in Mechanical Engineering or a similar discipline; B.S. minimum
Proficiency with 3D CAD modeling
Professional experience with application of GD&T (ASME Y14.5), conducting stack-up analyses (linear & radial), and determining realistic tolerancing limits based on material and manufacturing methods
Ability to perform structural hand calculations and initial FEA studies to support sizing, loading cases, and design feasibility
Proven ability to collaborate cross-functionally with technicians, manufacturing, process, design, and integration teams to solve problems
Knowledge of rapid prototyping, high-volume manufacturing processes, materials selection, and supply chain
Hands-on experience with lab tools, equipment, and measurement tools
Strong engineering fundamentals in the areas of materials, mechanics, dynamics, design for manufacturability, tolerancing, and high precision metrology
Experience with leading root cause analysis efforts, determining effective containment actions
Knowledge in DFMEA, DVP&R, and PFMEA
High-energy, open-minded attitude, willingness to quickly iterate on designs, and expanding skillsets as needed
Preferred
MS Preferred
CATIA V6 experience preferred
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 adequate on the first day of employment, and Rivian covers most of the premiums.
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
2026-01-24
2026-01-20
2026-01-19
Company data provided by crunchbase