Rivian · 4 days ago
Sr. Mechanical and Thermal Engineer
Torrance, CA
Full-time
Onsite
Mid, Senior Level
$108K/yr - $135K/yrRivian is on a mission to keep the world adventurous forever through their emissions-free Electric Adventure Vehicles. The Sr. Mechanical and Thermal Engineer will own the end-to-end mechanical and thermal design for charging components and sub-systems, collaborating closely with cross-functional teams to deliver robust architectures and validated thermal performance.
AutomotiveElectric VehicleManufacturingTransportation
Responsibilities
Lead the mechanical design of charging components and sub-systems from concept through release, including CAD, detailed drawings, GD&T, and tolerance stack-ups
Plan and execute advanced thermal analysis (1D/3D modeling, CFD, and empirical methods); correlate models to test data and convert insights into requirements and design changes
Define effective thermal management strategies (air/liquid paths, heatsinks, TIMs, insulation, enclosure design) to meet performance and reliability targets across environmental extremes
Translate system and regulatory needs into mechanical and thermal specifications, verification plans, and acceptance criteria in partnership with Power Electronics, EE, FW, Reliability, Manufacturing, and Service
Drive DFM/DFA and cost/weight/thermal trade-offs; select materials and processes appropriate for high-reliability, high-power electromechanical assemblies (e.g., die casting, machining, molding, extrusion, sealing)
Own sub-system verification and validation (bench thermal characterization, environmental/thermal cycling, vibration, ingress, durability); iterate designs from test/field findings to production readiness
Collaborate with suppliers on feasibility, tolerances, tooling, and quality plans; rapidly resolve build issues using structured problem solving and data-driven decision making
Create clear documentation (analyses, test results, design decisions) and present recommendations; mentor junior engineers and contribute to cross-functional design reviews and engineering standards
Qualification
Required
CAD experience in CATIA or two of SolidWorks, Fusion, Creo, Inventor, SolidEdge
Experience in PLM systems such as Enovia
Icepak, Fluent, and/or Ansys workbench experience required
Strong knowledge of mechanical and thermal engineering principles
Experience in working with power switching devices, liquid/ forced air cooling system, extruded heatsinks, die casting part, and other mechanical part materials
Experience with best practices of constructing CAE models and conducting simulations
Applied knowledge/experience of system requirements and design validation testing
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.
Founded in 2009
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
Benzinga.com
2026-01-13
The Motley Fool
2026-01-13
Morningstar.com
2026-01-12
Company data provided by crunchbase