Senior Battery Systems Engineer Jobs in California

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 Battery Product Excellence Team is in search of a HV Battery Engineer that is organized, hands-on, collaborative, and can use first principles to drive continuous design improvement.
As a Sr. Battery Engineer based in Tustin, CA, the scope of your role will be focused on externally supplied battery packs. This opportunity will allow you to grow in the electro-mechanical space by managing supplier design quality, changes, and field performance. The ideal candidate will build upon previous design and release experience to lead continuous improvement projects, manage suppliers for change implementation and issue resolution, and communicate lessons learned back into our product development teams to prevent recurrence.
Responsibilities

• Work together and collaborate cross-functionally with external pack suppliers, Rivian's Battery Product Development Team, Rivian Purchasing, Rivian Supplier Development, Rivian service, and Rivian vehicle general assembly.
• Act in a supporting role to Rivian's HV Battery Product Development team through supplier battery pack development and launch, and then become the Rivian Design Lead when the program moves from Product Development to the Product Excellence Team for sustaining engineering activity in the series production phase.
• Take design lead responsibility during the sustaining engineering phase for technical coordination and management of supplier changes to ensure data based alignment and approval across the supplier and Rivian, including SW, Reliability, and Validation
• Provide technical support for any supplier remanufacturing processes to ensure design performance is maintained.
• Drive external suppliers to thoroughly analyze and resolve field service issues to improve Rivian's vehicle production and customer experience.

Qualifications

• 3+ years of work experience in Battery/Automotive/Aerospace/related industries with a bachelor's degree in an engineering discipline at minimum.
• Previous experience with product launches, production schedules, and release engineering (including CAD design, GD&T, and PLM interface).
• Strong communication, multitasking, and interpersonal skills, both in presentation and technical writing.
• Excellent problem-solving skills with a focus on core engineering principles.
• Mechanical engineering experience required, electronics / controls experience a plus.
• Passion for working on products that involve the intersection of mechanical, electrical, and software engineering.
• Willingness to expand upon the existing knowledge base of electro-mechanical systems.
• Self-starter, must be willing to run to and seek out issues and related details, including travel to customer and Rivian sites when needed.
• Passion for testing and teardowns to find the root cause of an issue.
• Knowledge of battery behavior and high voltage safety.
• Experience with issue tracking and collaboration tools (Jira, Trello, Gitlab, Asana, Confluence, etc.).
• Proficiency using CAN/Ethernet tools for debugging purposes is a plus.
• Background with CATIA V6 (3Dx) CAD Design and Enovia is a plus.

Pay Disclosure
The salary range for this role is USD 121,500 - 151,900 for California 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 and equity awards.
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 June 20, 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
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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.
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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.