Senior Materials Planner Jobs in Riverside, CA (NOW HIRING)

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
The Sr. Material Planner will support Service and Accessories Material planning by ensuring your assigned components are delivered to the Service Warehouse(s) at optimal inventory levels and efficiencies. This role requires flexibility to support quick product changeover, supplier relationship management to ensure on time delivery, and an analytical approach to ensure optimal part inventory levels and quick turn analysis on exceptions. A Sr. Material Planner, Service Parts will understand the Rivian supply chain, our production processes, our warehouse operations, and our world-class Service Network. As the Sr. Material Planner you will report to our Manager, Material Planning.
Responsibilities

• Utilize an MRP system, and communicate Rivian's service parts/aftersales requirements to a global network of over
• 300+ Tier 1 suppliers and over 6,000 parts & components
• Work closely with the supplier base closely by resolving issues to ensure On-Time, In-Full (OTIF) performance is achieved
• Work collaboratively and closely with a wide cross-functional team - Purchasing, NPI, Demand Planning, Logistics,
• Manufacturing, Supplier Quality & Service Engineering
• Review material flow in multiple service centers, process flows, to identify opportunities and implement lean material flow of service parts into a central distribution centers
• Review and report out on supplier capacities and bottlenecks to meet supplier schedules to a provided forecast
• Drive any backlog recovery through clear communication to the supply base, ability to support quick turn analysis on inventory run-out and communicate clearly internally/externally
• Enforce maintenance of MRP master data control parameters to ensure accurate demand signals (i.e. lead times, MOQ's, lot sizing, safety stock); identify and resolve system and/or BOM inaccuracies to preserve data integrity
  Identify and lead process improvement initiatives using inventory optimization techniques to drive right-sized inventory levels to meet the highest customer service level of over 97% in the network
• Act as an escalation point for material concerns, lead shortage meetings w/suppliers and stakeholders to ensure supply continuity, report on KPIs (inventory days on hand, line interruptions, expedite costs, etc.), and enforce best practices
• Monitor your supplier performance through exception management reporting, supply constraints escalations, and proactive monitoring of the forecast identifying key shifts that may impact your supply
• Manage engineering changes for the commodities assigned to you through participation in the NPI process, while minimizing obsolescence and ensuring supply continuity for your parts

Qualifications

• 3-5 years of experience in Material Planning, supply chain management or manufacturing production planning (Service/Aftermarket a plus)
• BA or Masters in Supply Chain Management, Logistics, Industrial Engineering, Operations or applicable discipline
• 2+ years of related automotive industry experience and LEAN manufacturing preferred
• Experience and knowledge in ERP/MRP with focused experience on product lifecycle management, EDI communications, bills of material, supply chain operations, and procure to pay processes (Servigistics & SAP experience preferred)
• Collaborator with a positive attitude to drive change and provide excellent customer service
• Calculated risk taker with the ability to drive performance management with suppliers and resolve issues while maintaining superior relationships internally and externally
• Proven analytical skills - high proficiency in Excel (advanced a plus)
• Ability to stand or sit for 8-10 hours per day
• Required to communicate using telephone and/or e-mail
• Ability to view, reach, and interpret documents
• Ability to perform all duties in an office environment that may contain ambient noise and temperature fluctuations

Pay Disclosure
The salary for this role is $71,900 to $95,300 for Michigan based applicants.
The salary for this role is $78,700 to $104,310 for California (Non Bay Area) based applicants.
This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee's position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, geographic location, shift, and organizational needs.
The successful candidate may be eligible for annual performance bonus.
We offer a comprehensive package of benefits for full-time and part-time employees, their spouse or domestic partner, and children up to age 26, including but not limited to paid vacation, paid sick leave, and a competitive portfolio of insurance benefits including life, medical, dental, vision, short-term disability insurance, and long-term disability insurance to eligible employees. You may also have the opportunity to participate in Rivian's 401(k) Plan and Employee Stock Purchase Program if you meet certain eligibility requirements. Full-time employee coverage is effective on their first day of employment. Part-time employee coverage is effective the first of the month following 90 days of employment. More information about benefits is available at rivianbenefits.com.
You can apply for this role through careers.rivian.com (or through internal-careers-rivian.icims.com if you are a current employee). This job is not expected to be closed any sooner than August 11, 2026.
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 candidateaccommodations@rivian.com.
Candidate Data Privacy and Technology
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.
How We Use AI in Our Hiring Process: To ensure transparency, we want candidates to know that Rivian uses iCIMS Talent Cloud Artificial Intelligence (TCAI) and AI-enabled tools to assist with screening, reviewing, organizing and highlighting profiles and applications that match the key requirements for each role.
AI does not make hiring decisions: Qualified candidate applications are reviewed by a member of our team, and all decisions throughout the process are made by humans. We use AI to support efficiency and consistency, not to replace human judgment. We are committed to a fair, thoughtful, and equitable experience for every candidate.
Participation in AI profile matching is entirely voluntary. If you prefer that your profile not be used in this process, you can opt out at any time. Opting out means your profile will be excluded from automated matching and will not be surfaced for additional roles through this system. Your current application remains active and will not be affected in any way.
Please note that we are currently not accepting applications from third party application services.