Senior Mechanical Engineer- Cathode Active Material (CAM)

Number of employees


United States, California, Palo Alto, United States

Posted on: 2022-11-17

Category: emobility

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Employment type:

Full time

Experience required:



Salary not provided

About the company:

Doing something different is never easy. It requires courage, optimism and grit. Core to our mission is building a team of adventurous individuals determined to make a positive impact on the world. This means challenging ourselves constantly. Stretching beyond the bounds of conventional thinking. Reframing old problems. Seeking new solutions. And operating comfortably in a space of uncertainty. While our backgrounds are diverse, our team shares a love of the outdoors and a desire to protect it for future generations. Do you like doing the impossible? We’d love to hear from you.

Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. 

As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. 


  • Join the Cell Engineering team, developing next-generation battery technology for Rivian’s products 
  • Bring expertise in mechanical designs of specialized equipment and overall system for cathode active material (CAM) production 
  • Taking ownership of all mechanical design aspects of pilot and production lines while working cross functionally with all engineering disciplines to build and optimize the process 
  • Own equipment mechanical specifications and work directly with vendors to ensure standards are followed 
  • Own process equipment development, performance, and failures within the CAM Manufacturing Engineering team and support discipline strategy for pilot and production 
  • Work alongside entire CAM Manufacturing Engineering team and own mechanical discipline outcome of all phases of detailed engineering drawings during project life-cycle with integrators, specialty equipment vendors, and factory design 
  • Work with internal and external equipment suppliers to resolve technical problems that would significantly affect product quality, manufacturing operability, equipment performance, project cost and schedule 
  • Act as the primary point of contact for mechanical engineering for CAM Manufacturing Engineering team 
  • Prepare and communicate the project status and escalation of critical issues   


  • BS/MS in Mechanical Engineering or relevant degrees with 5+ years of hands-on work experience in lithium-ion battery, ceramic materials, or chemical industry 
  • Strong knowledge and experience in performing engineering designs and reviews of processing equipment, P&IDs, specialty equipment fabrication drawings, engineering drawings of vessels and other equipment for fabrication 
  • Deep understanding of equipment design specifications and calculations such as stress analysis, materials of construction, mechanical assembly procedures and practices, pressure vessel and piping (ASME) codes, design temperatures and pressures, fabrication and welding procedures and practices, NDE testing, and metallurgy types, corrosion tolerances, inspection practices 
  • Experience with various rotating equipment designs including pumps, compressors, seal, gear boxes, mixers, including hand-on experience extending to maintenance and operational best practices 
  • Strong first-principles understanding of heat transfer, stress strain, materials, fluids, and thermodynamics 
  • Experience with drawings, P&ID for compliance with established code, standards and specifications, equipment procurement, installation, and processing equipment integration 
  • Excellent project management skills and ability to communicate with vendors and other parts of the company 
  • Knowledgeable in high and low volume manufacturing (e.g., proto-typing, OEE, equipment selection, DFM, MES, CAD) 
  • Strong experience in pilot- or mass production-scale with proven ability to scale equipment and production line designs from pilot to high volume. 
  • Strong team orientation and cross functional attitude. 
  • Experience with 2D AutoCAD is required; experience with 3D models and other software is a plus 
  • Experience in equipment design risk analyses practices and root cause failure investigations, including Design Failure Mode and Effect Analysis (DFMEA) to define risks 
  • Expertise in industrial drying process, powder transportation, kilns or furnaces, design of process equipment handling liquid acids, milling, mixing will be a plus 
  • Experience working as a member of a team across several cross functional disciplines, including product design, product quality, construction, operations, supply chain, controls, electrical engineering, external vendors etc.  
  • Willing to travel, both domestic and international up to 30% 

Equal Opportunity

Rivian is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Rivian is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at [email protected].

Candidate Data Privacy

Rivian may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Rivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. 

Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services. 

Rivian may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.  


Please note that we are currently not accepting applications from third party application services.

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