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Sr. Materials Engineer - Raw Materials Supplier Development
full-timeTustin$98k - $123k

Summary

Location

Tustin

Salary

$98k - $123k

Type

full-time

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About this role

About Rivian

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. 


Role Summary

You will work alongside cross-functional teams to drive Rivian quality requirements and manage our contract manufacturers' quality performance, ensuring seamless production scaling. This position requires 50% travel.


Responsibilities

  • Lead supplier industrialization and readiness for the raw materials commodity including plastics, rubber, and adhesive.
  • Support supplier selection and capability assessment for both greenfield (new plant) and brownfield (existing plant expansion) projects, ensuring alignment with program timelines and quality expectations.
  • Define and drive APQP discipline and enforce PPAP requirements, ensuring suppliers meet dimensional, material, and performance validation before production approval.
  • Evaluate and validate supplier manufacturing processes by leading process audits, PFMEA reviews, control plan validation, and equipment capability assessments.
  • Optimize supplier manufacturing scalability, ensuring production lines are capable of meeting increasing volume and quality expectations during ramp-up phases.
  • Define and monitor supplier industrialization performance through KPIs such as on-time PPAP submission, process capability indices (Cpk/Ppk), defect rates (PPM), first-pass yield, issue closure rate, and supplier corrective action effectiveness.
  • Facilitate problem resolution using structured methodologies (focused problem solving) to address defects, process deviations, and launch roadblocks proactively.
  • Collaborate cross-functionally with Materials Engineering, Engineering, Quality, and Supply Chain teams to drive VA/VE cost optimization, ensuring seamless design implementation into supplier manufacturing processes and technology while maintaining quality and performance standards
  • Translate complex engineering requirements into clear, actionable tasks for suppliers. Coach suppliers on ways of working with Rivian and hold suppliers accountable to commitments by setting clear milestones, following up regularly, and addressing slippage through constructive, fact-based conversations focused on solutions and risk reduction.
  • Draft, develop, establish, and enforce the materials engineering specifications and qualification process requirements across the global resins supply chain.
  • Assist the Rivian design team on materials selection to improve sourcing flexibility, part functionality, reduce overall BoM complexity, and reduce material costs.
  • Function as subject matter expert and troubleshooting leader for the process and quality issues onsite.
  • Work collaboratively with suppliers and Rivian materials engineering to develop materials and processes to fit Rivian’s design and sustainability targets
  • Collaborate with Rivian internal teams to develop and manage the raw resins bill of materials
  • Ability to understand and follow written and verbal instructions in English to ensure workplace safety, effective communication, and operational efficiency.
  • 50% travel requirement

Qualifications

  • Bachelor’s degree in Materials Engineering, Chemical Engineering, Physics, Mechanical Engineering, Chemistry, Polymer Engineering, Supply Chain, or other related field
  • Bachelor’s degree with 5+ years or Master’s degree with 3+ years experience in polymers or raw materials in supply chain and manufacturing process.
  • Strong Knowledge of Advanced Product Quality Planning (APQP), Production Part Approval Process (PPAP), Failure Mode and Effect Analysis (FMEA), Statistical Process Control (SPC), and polymer materials engineering fundamentals
  • Technical expertise of automotive components designs and manufacturing, including knowledge of safety and test requirements and appearance approval process
  • Basic knowledge of Geometric Design and Tolerancing (GD&T) and datum structures
  • Experience in injection molding, polymer compounding, tooling design, process changes, and surface treatment of resin commodities.
  • In depth knowledge of IATF16949:2016 and understanding of ISO14001
  • Ability to analyze and present data effectively at all levels from working level meetings, to executive briefings.
  • Ability to work in a diverse and dynamic environment
  • Good communication and interpersonal skills (Team Work) as well as negotiation skills.
  • Preferred Qualifications:
  • Master’s degree in Materials Engineering, Chemical Engineering, Physics, Mechanical Engineering, Chemistry, Polymer Engineering, Supply Chain, or other related field.
  • Experience participating in or leading supplier audits/assessments

Pay Disclosure

Salary Range/Hourly Rate for California Based Applicants: $98,500-$123,100 (actual compensation will be determined based on experience, location, and other factors permitted by law).

Benefits Summary: 
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, and Rivian covers most of the premiums.




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.

Other facts

Tech stack
Materials Engineering,Chemical Engineering,Polymer Engineering,Supply Chain,Manufacturing Processes,Quality Assurance,Problem Solving,Supplier Management,Process Audits,Statistical Process Control,Injection Molding,FMEA,GD&T,Negotiation Skills,Data Analysis,Collaboration

About Rivian

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.

Team size: 10,001+ employees
LinkedIn: Visit
Industry: Motor Vehicle Manufacturing
Founding Year: 2009

What you'll do

  • Lead supplier industrialization and readiness for raw materials, ensuring alignment with quality expectations. Collaborate with cross-functional teams to drive cost optimization and manage supplier performance.

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Frequently Asked Questions

What does Rivian pay for a Sr. Materials Engineer - Raw Materials Supplier Development?

Rivian offers a competitive compensation package for the Sr. Materials Engineer - Raw Materials Supplier Development role. The salary range is USD 99k - 123k per year. Apply through Clera to learn more about the full compensation details.

What does a Sr. Materials Engineer - Raw Materials Supplier Development do at Rivian?

As a Sr. Materials Engineer - Raw Materials Supplier Development at Rivian, you will: lead supplier industrialization and readiness for raw materials, ensuring alignment with quality expectations. Collaborate with cross-functional teams to drive cost optimization and manage supplier performance..

Why join Rivian as a Sr. Materials Engineer - Raw Materials Supplier Development?

Rivian is a leading Motor Vehicle Manufacturing company. The Sr. Materials Engineer - Raw Materials Supplier Development role offers competitive compensation.

Is the Sr. Materials Engineer - Raw Materials Supplier Development position at Rivian remote?

The Sr. Materials Engineer - Raw Materials Supplier Development position at Rivian is based in Tustin, California, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Sr. Materials Engineer - Raw Materials Supplier Development position at Rivian?

You can apply for the Sr. Materials Engineer - Raw Materials Supplier Development position at Rivian directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Rivian on their website.