Test Engineer
Amprius Technologies
Fremont, CA · Posted September 1, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at Amprius Technologies
More in California job market · Test Engineer jobs in California (39) · All Test Engineer jobs (155) · Manufacturing & Industrial · Engineering jobs
More roles at Amprius Technologies
- Battery Post-Sales Application Engineer · Fremont, CA
- Supplier Quality Engineer · Fremont, CA
- Director of Supply Chain · Fremont, CA
- Staff Manufacturing Process Engineer - Battery Cell Assembly · Fremont, CA
- Senior Global Supply Manager, Contract Manufacturing and Cost · Fremont, CA
- Staff Electrode Process Engineer - Anode & Cathode Pilot Line · Fremont, CA
Similar jobs
- Mechanical Engineer · Chariot Defense · San Bruno, CA
- Mechanical Build Engineer · Booz Allen Hamilton · El Segundo, CA
- Test Engineer - Secret Clearance Required · American Systems · March Air Reserve Base, CA
- Product Engineer, Front End · Flux · San Francisco, CA
- Mechanical Engineer III - Actuation · Crane · Burbank, CA
- Product Engineer, New Products · Y Combinator · CA
Where Fremont, CA ranks
Where Fremont, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #13Cities with the most hybrid jobs in the West Coast15% · of 66
- #15Best cities for mid-career professionals in the West Coast59% · of 71
- #17Best cities for technology pay after cost of living$181k · of 80
- #17Best cities for pay after cost of living in California$152k · of 32
- #17Best cities for software and engineering jobs in the West Coast226 openings · of 60
- #18Best all-round cities for mid-career professionals in the West Coast51 / 100 · of 39
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Summary
The Test Engineer is a key support role in the Engineering Team. This role entails performing engineering tests and experiments, management of testing equipment, and compiling inspection reports. This position is critical in ensuring the Engineering team gets accurate and timely data that is needed to make well-informed product decisions. Position reports to the Sr. Director of Eng.
Job Responsibilities:
Cell testing execution: Run standard and non-standard charge/discharge cycling, rate capability, capacity checks, formation, DCIR/HPPC, temperature performance, and EIS as part of the qualification process utilizing Arbin and Neware testers/cyclers and environmental chambers. Build and validate test schedules, wire fixtures, mount thermocouples, and utilize pressure and swell setups.
Safety, abuse, and environmental testing: Perform safety tests including overcharge, hot box, external short, nail penetration, thermal cycling, vibration, and altitude testing complying with UN38.3, IEC 62133, and UL 1642 certification standards.
Test lab and equipment management: Support installation, calibration, preventive maintenance, troubleshooting, repair, uptime tracking, and spare parts for the various testing and formation equipment (Arbin and Neware).
Documentation and quality systems: Create data summary reports, inspection reports, write and redline test plans, SOPs, and work instructions; maintain traceable records; support nonconformances, Corrective Actions and Preventive Actions (CAPA), and Engineering Change Orders (ECO) under ISO 9001.
Cross-functional support: Run tests on cells and components to support engineering development (CT scanner, resistivity, adhesion tester, Keyence, etc.). Support execution, documentation, SOP, and training of cell and component Incoming Quality Checks (IQC).
Champion best safety practices: Implement and adhere to the proper safety protocols during cell testing and formation. Recognize when a cell is behaving abnormally and stopping the test. Take initiative to recommend and implement improvements in efficiency and safety.
Requirements
Key Competencies
Must have solid knowledge of battery testers, cyclers, and other inspection equipment.
High level of organization and attention to detail.
Identifies issues, then recommends and implements solutions.
Strong attention to detail and organizational skills.
Ability to work independently with minimal direction.
Team-oriented attitude. Respectful and relatable to team members with a positive outlook.
Required Education and Experience
Bachelor’s degree in engineering, physical sciences, or a related technical field.
Minimum of 3+ years of experience with battery testing methods and equipment.
Strong technical background.
Physical Demands and Working Condition:
Fremont, CA: This is an on-site job. Reliable commute or planning to relocate before starting work is required.
Be able to lift and/or move objects up to 25 pounds.
Prolonged periods of sitting at a desk and working on a computer.
May be required to stand, sit, squat, bend, kneel, twist, crawl, reach, lift, balance, push, and pull.
Must wear personal protective equipment (PPE) including, but not limited to, a lab coat, gloves, safety glasses, face mask, respirator and safety shoes.
Benefits
Comprehensive compensation package includes base salary. Salary range for this role is between $98,075 - $127,375. Base rate will be determined based on knowledge, experience, and education.
Health benefits include medical, dental and vision coverage. Medical options of HMO and PPO plans.
Employer-funded Health Reimbursement Account (HRA). HSA compatible Medical Plan, FSA Options.
Pet Health Insurance (dog & cats).
Traditional and Roth 40l(k) Plans.
Generous vacation leave starts with 3 weeks annual accrual. 10 paid holidays. Sick time off.
Cell phone reimbursement.
Amprius Technologies is committed to promoting an equal employment opportunity workplace environment and is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expressions, pregnancy, age, national origin, disability status, genetic information (GINA), protected veteran status, or any characteristic protected by law. The Company’s policy is to recruit, hire, train, promote, and administer all employment-related matters based on an individual’s qualifications, abilities, and efforts without regard to protected status.