As a Materials Engineer at Rivian, you will be part of the Failure Analysis and Materials Engineering team, focusing on the qualification of adhesives and sealants used in electric vehicles. This hands-on role involves designing test plans, conducting mechanical and environmental tests, and analyzing data to ensure the performance and durability of materials. You will collaborate with technical leads and subject matter experts to solve bonding issues and support engineering approvals. Your work will directly impact the quality and reliability of Rivian's innovative vehicles.

• B.S. in Materials Science and Engineering, Chemical Engineering, Polymer Science, Chemistry, Mechanical Engineering, or a related field.
• Hands-on experience with mechanical testing of polymers on a universal testing frame.
• Working experience with DSC, TGA, DMA, FTIR, rheometry, optical microscopy, and SEM/EDS.
• Solid grounding in polymer fundamentals and understanding of adhesion failure modes.
• Clear technical writing skills for test plans, lab procedures, reports, and specifications.
• Data analysis experience in Python, JMP, Minitab, or equivalent.

• Plan and run laboratory testing of various adhesives and sealants.
• Execute mechanical testing at the material and joint level.
• Characterize cure, thermal, and chemical behavior of materials.
• Run environmental and durability aging tests and component-level sealing tests.
• Qualify new materials and alternate sources through testing and reporting.
• Support failure analysis of bond and seal failures across prototype builds.
• Keep test data accurate and accessible in Rivian’s materials database.
• Present results clearly to technical leads and other teams.
• Own day-to-day lab execution including fixture design and equipment upkeep.
• Support technical leads in evaluating adhesive and sealant suppliers.

• Employees at Rivian are often offered comprehensive health, dental, and vision insurance, a 401(k) with company match, ESPP and potential RSU grants, performance bonuses, and generous time off including paid parental and sick leave. Perks can include 24/7 mental-health coaching and therapy, Hinge Health for Anthem enrollees, tuition assistance and professional development, plus on-site food and a wide range of employee discounts on items like computers, mobile phones, home loans, and pet care.