CAREERS
Would you like to help revolutionize the battery industry?
Transforming Electric Mobility with its Revolutionary Silicon Anode Lithium-ion battery.
Amprius batteries are commercially proven to deliver unmatched performance - ultra-high energy density, high power density, extreme fast-charge rate capability, wide operating temperature, and long cycle life - required for aviation, aerospace, defense, and electric vehicles (EV).Employee
SpotlightsFor more than four years, I have been supporting the cell production team by qualifying silicon nanowire anodes, overseeing cell QC data, performing failure analysis, and benchmarking Amprius’ current cell products. I joined Amprius because I enjoy working with a team of smart and motivated people to solve challenging problems.

I’m passionate about sustainable technology, things that help slow down climate change. I have a far-off vision thinking of my great-grandchildren. Better batteries enable a lot of new technology and I’m proud to be a part of a team that is pushing the envelope for energy density in batteries.

Amprius is on a mission to mass produce the safest & highest energy density cells with the fastest charging rate, and I enjoy the daily challenges that push us towards the goal.

Amprius has the highest energy density batteries available commercially. I’m eager to continue increasing cell performance and production, so that we can change the world with our batteries.

I joined Amprius because they are the real thing. We are producing cells with energy densities today that are on people’s roadmaps 3-5 years in the future, and it has been really cool to watch the development of these batteries go from a curiosity to a necessity.

I have dedicated my professional endeavors to the advancement of novel materials aimed at fostering a more environmentally sustainable world, benefiting all species and our blue planet. I firmly believe that our generation bears the responsibility of actively addressing climate control issues and mitigating global warming for the betterment of future generations. It is with great enthusiasm that I embark on the journey with Amprius, utilizing my expertise to contribute to the engineering of ultra-high energy batteries that can serve as a catalyst towards achieving greater sustainability.

As a Facilities Manager at Amprius, I’m committed to spearheading projects that drive us towards our mission of mass-producing the safest and highest energy density cells. It’s truly fulfilling to contribute to a team that’s pioneering cell development and leading the charge in shaping a sustainable energy future. It is extremely rewarding to collaborate with our knowledgeable team as they push the boundaries of lithium-ion technology.

In my role as an Equipment Uptime Specialist at Amprius, my focus lies in optimizing the deposition equipment essential to scale our silicon-anode production. With a career dedicated to the maintenance of advanced process tools, the opportunity to apply my expertise in support of Amprius’ mission is truly exciting. I’m eager to leverage my knowledge to enhance tool uptime, facilitating an efficient manufacturing ramp-up. Working in such an innovative and collaborative environment, I take great pride in being a valuable member of the team.

JOIN US
Open positionsFremont, CA
Led by a strong team of technology innovators and experienced business operators, we believe Amprius is uniquely positioned to advance the future of electric mobility. Join us and become part of the future of next-generation lithium-ion batteries!General Administration
Full-Time - Fremont, CADescription
Job Title: Senior Financial Analyst, Operations and Manufacturing
Job Type: Exempt, Full-time
Location: Fremont, CA (on-site)
Company Description
Amprius develops, designs, and manufactures very high-performance lithium-ion cells for advanced applications. Amprius invented and perfected a 100% silicon anode which enables the highest energy density cell commercially available in the industry.
Summary
The Senior Financial Analyst, Operations and Manufacturingwill support the growth of Amprius Lab operations. As part of Amprius’ Finance organization, you will build and maintain collaborative partnerships with Operations and Finance teams to strategically run financial planning and analysis of product cost, inventory, fixed assets and supply chain to provide reliable and relevant information to improve the Company’s financial performance. This is a role for a thorough individual who thrives in a dynamic, growth environment. This role reports to Corporate Controller.
Job Responsibilities
- Collaborate with finance, business operations, and manufacturing teams in establishing Amprius Lab’s financial performance from the perspective of product costs, inventory, and supply chain management.
- Analyze and model product costs, inventory-on-hand, supply, and purchase commitments for forecasts, as well as effective decision-making of manufacturing volumes and timing.
- Period-End Closing/Reporting and Budget Assistance – Partner with Finance and other team members in the month-end, quarter-end, and year-end closing processes related to manufacturing processes and fixed assets. Also assist in the establishment, maintenance and monitoring of annual material and process cost standards and budgets.
- Variance Management and Reporting - Coordinate the preparation and analyses of reports to track cost variances, inventory adjustments and other cost items such as scrap, shortage, and obsolete inventory. Prepare and analyze various inventory and cost of sales reports for management and auditors. Examples include information concerning costing, price, scrap, and manufacturing expenses. Assist users in understanding and using such reports.
- Property, Plant and Equipment – Develop, maintain and analyze data related to fixed assets, construction in progress and manufacturing start-up costs.
- Miscellaneous – Complete general ledger and intercompany reconciliations. Support continuous improvement for increased efficiency. Develop other relevant ad hoc analyses related to manufacturing or supply chain. Perform other duties as assigned.
Requirements
- Bachelor’s degree in Accounting/Finance or similar and five (5) years in manufacturing cost accounting experience.
- Understanding of U.S. GAAP as it applies to a manufacturing environment is required.
- Solid understanding of inventory manufacturing, supply chain, and operational flows and processes
- Experience using NetSuite, or other ERP, and familiarity using inventory and scheduling modules within an ERP system; proficiency with MS Excel and related office software.
- Excellent analytical and organizational skills, with close attention to detail and accuracy, as well as strong verbal and written communication skills
- Ability to work cross-functionally with other teams (Production, Engineering, FP&A, etc.)
Physical Requirements/Work Environment
- On-site in Fremont, CA
- Prolonged periods of sitting at a desk and working on a computer in an office environment.
- Be able to lift and move up to 10 pounds at a time.
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.
Benefits
- Comprehensive compensation package includes base salary + RSUs. Salary range for this role is $125,000 to $155,000. Base salary will be determined based on knowledge, experience, and education.
- Health benefits include medical, dental, vision coverage. Medical options available for both HMO and PPO plans with Kaiser and United Healthcare. Medical plans available that are 100% covered by the employer.
- Employer-funded Health Reimbursement Account (HRA). HSA compatible Medical Plan available, FSA
- Life and AD&D, Short & Long-term Disability, Employee Assistance Program, Mental Health support
- Voluntary Coverage Packages to support your wellness goals,
- Pet Health Insurance
- Generous paid time off (PTO) starting with 3 weeks of annual accrual. Ten (10) paid holidays. Sick time off.
- Cell phone reimbursement for $50/month
- Traditional and Roth 401(k). No match.
Operations & Manufacturing
Full-Time - Fremont, CADescription
Company Description
Amprius Technologies, Inc is a mid-stage lithium-ion battery company located in Fremont, California, that has developed breakthrough silicon anode technologies to address the most significant pain points for today’s mobile devices and electric vehicles – battery life and driving range. The Company’s core technologies are patented and patent pending silicon anodes, silicon-enabling electrolytes, and silicon anode-based cells.
Amprius Technologies develops, designs, and manufactures very high-performance lithium-ion battery cells for advanced applications. Amprius invented and perfected a 100% silicon anode which enables the highest energy density battery cell commercially available in the industry.
Summary
Amprius Technologies is looking for an experienced, creative and highly motivated Staff Battery Manufacturing Engineer to join our Manufacturing group. This position develops, scales, and enables manufacturing solutions for lithium-ion cells containing Amprius’ proprietary silicon anode. This is a highly visible position and will report to the VP of Quality and Operations.
Job Responsibilities
- Key role in lithium-ion cell manufacturing.
- Key role in developing and implementing scalable cell assembly equipment and methods.
- Source, evaluate, and qualify cell assembly equipment and processes for error free introduction to the manufacturing line.
- Key role with cell component and manufacturing equipment suppliers to drive improvements and resolve manufacturing issues.
- Responsible for critical inputs to manufacturing cost reduction.
- Responsible for specifications of all assembly processes and establish training procedures for technicians and operators.
- Troubleshoot cell production problems and drive root-cause corrective actions.
- Manage process control systems to ensure quality results.
- Maintain active role on internal continuous improvement.
- Use proven improvement tools such as lean manufacturing and six sigma to realize efficiency gains in cell production.
- Mentor and supervise lab technicians as required.
- Perform equipment calibration and maintenance per manufacturer’s guidelines.
Requirements
- BS (advanced degree preferred) in Mat. Sci., Chemistry, Chem E., Mech E., or EE.
- 3+ years in production environment for lithium-ion cells.
- Hands-on knowledge of and significant experience in cell assembly and components.
- Strong understanding of the electrochemistry of lithium-ion cells.
- Takes initiative and is able to work with little or no supervision.
- Strong work ethic, highly accountable, and able to take ownership of critical projects and functions.
- Demonstrates strong teamwork skills and thrives in collaborative work environments
- Able to work in a dry room environment as needed
- Committed to environmental, health, and safety requirements
Physical Requirements & Work Environment
- Wear personal protective equipment (PPE) including, but not limited to, a lab coat, gloves, safety glasses, face mask, respirator, and safety shoes.
- On-site in Fremont, CA
- Prolonged periods of sitting at a desk and working on a computer
- Move items up to 20 lbs.
Salary: $95,000 - $170,000
Benefits
- Comprehensive compensation package includes base salary + RSUs. Salary range for this role is $95,000 to $170,000. Base salary will be determined based on knowledge, experience, and education.
- Health benefits include medical, dental, vision coverage. Medical options available for both HMO and PPO plans with Kaiser and United Healthcare. Medical plans available that are 100% covered by the employer.
- Employer-funded Health Reimbursement Account (HRA). HSA compatible Medical Plan available, FSA
- Life and AD&D, Short & Long-term Disability, Employee Assistance Program, Mental Health support
- Voluntary Coverage Packages to support your wellness goals,
- Pet Health Insurance
- Generous paid time off (PTO) starting with 3 weeks of annual accrual. Ten (10) paid holidays. Sick time off.
- Cell phone reimbursement for $50/month
- Traditional and Roth 401(k). No match.
Description
Job Title: Electrode Prep Technician
Location: Fremont, CA (On-site)
Job-type: Non-exempt, Full-time
Company Description
Amprius develops, designs, and manufactures very high-performance lithium-ion cells for advanced applications. Amprius invented and perfected a 100% silicon anode which enables the highest energy density cell commercially available in the industry.
Summary
The Electrode Prep Technician will perform aspects of processing Amprius Technologies’ proprietary silicon anode and cathode materials for incorporation into cells. This role reports to Cell Manufacturing Manager. This is a TEMP to PERM opportunity.
Essential Functions
- Use small equipment such as a die punch, rotary tools, and cutters.
- Operate large equipment such as furnace, stacker, and deposition rig
- Measure materials with drop gage, mass scale, and caliper
- Visually evaluate defects from a list of standard defects
- Input data into quality management software
- Construct test samples for electrode verification
Qualifications
- Proficient with hand tools and production equipment
- Exceptional manual dexterity and efficiency
- Basic computer skills and ability to enter data accurately.
- Follow standard work instructions and recommend improvements
- Responsible for the quality of tasks performed
- Keep work area clean and well organized
Requirements
- HS Diploma, GED, or equivalent required.
- One (1) year of experience as an equipment operator or technician in one of the following industries: Semiconductor, solar, battery, electronics, or automotive.
- U.S. work authorization is required.
Work Schedule:
- This is a day shift opening on an alternating weekly schedule.
- Alternate Workweek Schedule: 3-days x 12-hour / 4-days x 12-hour every other week.
Physical Demands & Work Location:
- Fremont, CA: This is an on-site job. Reliable commute or planning to relocate before starting work is required.
- Must be able to lift and/or move objects up to 20 pounds.
- May require standing, sitting, squatting, bending, kneeling, twisting, crawling, reaching, lifting, balancing, pushing, and pulling.
- Wear personal protective equipment (PPE) including, but not limited to, a lab coat, gloves, safety glasses, face mask, respirator and safety shoes.
Benefits
- Salary: $22.00 - $26.00 / hour (DOE)
- Traditional and Roth 401(k)
- Cell phone reimbursement for $50/month
- Comprehensive health benefits package, PTO, Paid Holidays, available for PERM employees.
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.
Maintenance
Full-Time - Fremont, CADescription
Summary
The Staff Mechanical Engineer will develop mechanical designs, manage documentation, and lead a project to automate material handling processes and systems. This position will work with an outside vendor to specify, design, develop, and manufacture the automation solution. This role will also work with the anode development team to support projects internally as they relate to and require mechanical design solutions. This position is critical to enabling the scale-up of Amprius’ silicon anode fabrication for mass production and reports to the Chief Scientist of the Silicon Anode Process.
Responsibilities:
- Owns and manages the mechanical design (CAD) and documentation (drawings) of essential hardware for anode fabrication.
- Develop equipment specifications, interface with suppliers, and oversee the installation and qualification of production automation equipment.
- Develop and implement automated processes.
- Troubleshoot the electrical and mechanical components of the automation equipment, driving root cause and corrective action.
- Develop preventive maintenance schedule and procedure for automation systems.
- Write procedures, work instructions, and checklists to assure processes are performed in an accurate and repeatable manner.
- Train engineers and technicians in equipment set-up, operation, and maintenance
Requirements
- Has demonstrated mechanical design knowledge including tolerances and fit for complex systems.
- Expert ability to model mechanical systems utilizing CAD software (Solidworks experience preferable).
- Deep knowledge of electrical and mechanical systems, with an ability to troubleshoot and provide design input to external vendor.
- Experience with PLC and control systems is highly desirable.
- Track record of designing automated mechanical systems for industrial applications.
- Ability to work independently with minimal direction.
- Creative and tenacious problem solver who is able to lead systematic identification and resolution of issues.
- Excellent written and verbal communication skills.
Benefits
- Medical (option available with $0 payroll deduction for Employee)
- Dental & Vision
- Health Reimbursement Arrangement Plan (HRA) fully funded by Employer
- RSUs
- 401(k)
- 10 Paid Holidays
- PTO (3 weeks ) + Sick time
- Cell Phone Reimbursement for $50/month
- 529 College Savings Plan
Salary Band: $140k - $195k
Research & Development
Full-Time - Fremont, CASales & Marketing
Full-Time - Fremont, CABrighton, CO
We are excited to expand our manufacturing to Brighton, Colorado, bringing over 300 new good-paying jobs and joining Colorado’s innovative and collaborative business community. As jobs in Brighton become available they will be posted here.Amprius
BenefitsHealth Benefits
We offer comprehensive benefits coverage, including fully paid-by-employer options for the employee.Health Reimbursement Arrangement (HRA)
Employees receive a fully funded employer plan for use toward eligible medical expensesRetirement Planning
401(k) & Roth 401(k)Relax and Rejuvinate!
Paid Time Off (PTO) - 3 weeks annually & Sick Time Off bucket.Paid Holidays
10 Paid Holidays annually!Cell Phone Reimbursement
$50 per month Cell Phone Reimbursement.529 College Savings Plan
To help employees save for K-12 tuition, higher education, and trade schools for themselves or a loved one.To be added to our Talent Pool for openings in our Fremont, CA, or Brighton, CO locations, email your resume here:
Amprius
LocationsAmprius Technologies is revolutionizing the battery industry. We are an innovative and growing company located in the heart of Silicon Valley and our team members are highly creative, motivated and collaborative. We believe that teamwork and unlimited imagination deliver the best solutions. Would you like to help revolutionize the battery industry?