JobsSr. Battery Cell Test Engineer
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Sr. Battery Cell Test Engineer

Rivian

Location

Tustin, CA

Type

Full-time

Posted

8/19/2026

Compensation

$107,800 - $134,800 per year

Master's with 2+ Years of Experience
H-1B FY202697.5% approval+60% YoY
👑 Elite sponsor

Job description

The role at Rivian focuses on executing tests for lithium-ion battery cells, emphasizing electrical, mechanical, and electrochemical testing. The team is dedicated to innovation and sustainability, seeking individuals who are passionate about research in electric vehicle applications. Candidates will collaborate with engineers and scientists to automate testing processes and improve lab productivity. This position requires a proactive approach to problem-solving and a commitment to delivering high-quality results.

Requirements

  • Must have an MS degree in an engineering discipline with experience in testing of lithium-ion battery cells or packs.
  • 3+ years of industry experience in battery cell testing, writing and validating test scripts, and analyzing and presenting test results.
  • Good understanding of cell performance metrics and how to evaluate them with testing and other analysis.
  • Good understanding of electrochemical processes in various lithium-ion chemistries.
  • Experience in Python and SQL database, capable of writing scripts.
  • Excellent attention to detail and critical thinking skills.
  • Strong problem-solving skills, outside-the-box thinking, and proactivity.
  • Desire to work in a fast-paced environment and willingness to make an extra effort to get the job done.
  • Passionate about research and work in lithium-ion batteries, especially for electric vehicle applications.
  • Excellent communication and presentation skills.

Responsibilities

  • Execute lithium-ion battery cell tests including electrical, mechanical, and electrochemical testing.
  • Define standard operating procedures, prioritize tests, and track and communicate test status to different groups of cell engineers and scientists.
  • Write test scripts and set up programs to run tests automatically with different cyclers and chambers.
  • Collaborate with data engineers to process data, maintain cell testing databases, and develop automated data post-processing and report generation scripts.
  • Analyze and present test results to cell engineers and scientists and support cross-functional teams with test reports as needed.
  • Contribute to automating the entire testing process from test requests to delivery of test results reports.
  • Work closely with test engineers and technicians to plan and execute long, medium, and short-term priorities.
  • Develop and implement lab KPIs using scripts to analyze lab operations and improve productivity.
  • Design test fixtures to improve testing capability and accuracy and extract representative and meaningful data.
  • Collaborate with equipment vendors to source and integrate external systems into the Rivian cell testing lab.
  • Maintain lab space and equipment, performing equipment calibration and troubleshooting as needed.

Benefits

  • 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.

H-1B filing history

Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026

Filing entity: Rivian Automotive Llc

As of Aug 23, 2026

Initial approvals

101

FY2026

Approval rate

97.5%

FY2026

LCA certified

258

FY2026

Entry-level share

3.9%

FY2026

Initial approvals YoY

+60%

Trend

LCA certified YoY

-42%

Trend

Initial approvals by fiscal year

Approval rate by fiscal year

Continuing vs initial approvals

LCA certified positions by quarter

LCA certified positions by fiscal year

Based on public USCIS and DOL filings; not a sponsorship guarantee.

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