Science & Research OPT Jobs in California
California is one of the top states for F-1 OPT science and research jobs, anchored by institutions like UC San Diego, Stanford, Lawrence Berkeley National Laboratory, and biotech employers concentrated in the Bay Area and San Diego. OPT students in STEM-designated programs benefit from the 24-month STEM OPT extension, giving employers more flexibility when considering international candidates.
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INTRODUCTION
Lawrence Berkeley National Laboratory is hiring a Energy Materials Postdoctoral Researcher within the Materials Sciences division. You will work with dynamic teams in multi-institutional consortia and carry out research activities, focusing on lithium-ion cathode development.
ROLE AND RESPONSIBILITIES
The incumbent will carry out the following research activities:
Synthesize Li-cathode materials
Evaluate their electrochemical performance in Li-half cells and full cells
Characterize performance degradation mechanisms
Apply coating(s) and substitution(s) to improve cycling stability
We’re here for the same mission, to bring science solutions to the world. Join our team and YOU will play a supporting role in our goal to address global challenges! Have a high level of impact and work for an organization associated with 17 Nobel Prizes!
Why join Berkeley Lab?
We invest in our employees by offering a total rewards package you can count on:
Exceptional health and retirement benefits, including pension or 401K-style plans
A culture where you’ll belong - we are invested in our teams!
In addition to accruing vacation and sick time, we also have a Winter Holiday Shutdown every year.
Parental bonding leave (for both mothers and fathers)
You will:
Design and synthesize oxide and oxyfluoride cathode materials for rechargeable lithium batteries.
Apply coating and/or substitution to the cathode and anode (such as graphite) for performance optimization.
Prepare and test the Li-battery cells (both Li-half cells and full cells).
Perform advanced diagnostic studies to understand the electrochemical reaction mechanisms and performance degradation modes.
Perform complex data analysis and interpret experimental results.
Participate in team discussions and communicate with collaborators and colleagues.
Assist with writing reports and preparing program presentations.
Prepare manuscripts for publication.
* Provide assistance to maintain laboratory equipment and instruments.
BASIC QUALIFICATIONS
We are looking for:
Ph. D. in Materials Science, Chemistry, Chemical Engineering, or a related field by the commencement of employment.
Deep knowledge of solid-state chemistry and rechargeable lithium battery chemistry.
Strong experience with inorganic synthesis, battery electrode fabrication, cell assembly, testing, and standard electroanalytical techniques.
Strong experience with coating and substitution of electrode materials.
Experience with characterization instruments such as XRD, SEM, TGA, XPS.
Excellent oral and written communication skills.
Demonstrated ability to design experiments, conduct independent research, and contribute to peer-reviewed publications.
Strong organizational and record-keeping skills.
PREFERRED QUALIFICATIONS
Desired skills/knowledge:
* Experience in using synchrotron-based characterization techniques is strongly preferred but not essential.
REQUIRED APPLICATION MATERIALS
CV
Cover Letter (Max 2 pages; Describe your interest in this position and the relevance of your background)
* At least 3 references with contact information
ADDITIONAL INFORMATION
Application date: Priority consideration will be given to candidates who apply by May 31, 2026. Applications will be accepted until the job posting is removed.
Appointment type: This is a full-time 2 years, postdoctoral appointment with the possibility of renewal based upon satisfactory job performance, continuing availability of funds and ongoing operational needs. You must have less than 3 years of paid postdoctoral experience. Salary for Postdoctoral positions depends on years of experience post-degree.
Salary range: This position is represented by a union for collective bargaining purposes. The salary range for this position is $69,084 - $82,836. Postdoctoral positions are paid on a step schedule per union contract and salaries will be predetermined based on postdoctoral step rates. Each step represents one full year of completed post-Ph.D. postdoctoral experience.
Background check: This position is subject to a background check. Any convictions will be evaluated to determine if they directly relate to the responsibilities and requirements of the position. Having a conviction history will not automatically disqualify an applicant from being considered for employment.
Work modality: Work will be primarily performed at: Lawrence Berkeley National Lab, 1 Cyclotron Road, Berkeley, CA. A REAL ID or other acceptable form of identification is required to access Berkeley Lab sites.
Union Represented: This position is represented by a union for collective bargaining purposes.
Want to learn more about working at Berkeley Lab? Please visit: careers.lbl.gov
Equal Employment Opportunity Employer: The foundation of Berkeley Lab is our Stewardship Values: Team Science, Service, Trust, Innovation, and Respect; and we strive to build community with these shared values and commitments. Berkeley Lab is an Equal Opportunity Employer. We heartily welcome applications from all who could contribute to the Lab's mission of leading scientific discovery, excellence, and professionalism. In support of our rich global community, all qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, or other protected categories under State and Federal law.
Misconduct Disclosure Requirement: As a condition of employment, the finalist will be required to disclose if they are subject to any final administrative or judicial decisions within the last seven years determining that they committed any misconduct, are currently being investigated for misconduct, left a position during an investigation for alleged misconduct, or have filed an appeal with a previous employer.
OPT Science & Research Job Roles in California
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Search Science & Research Jobs in CaliforniaScience & Research OPT Sponsorship Jobs in California: Frequently Asked Questions
Which science and research companies sponsor F-1 OPT visas in California?
Major sponsors include national laboratories like Lawrence Berkeley, SLAC, and Lawrence Livermore, along with biotech and life sciences companies such as Genentech, Gilead Sciences, and Illumina. Large tech firms with research divisions, including Google, Apple, and Meta, also regularly hire OPT candidates. University research centers across the UC system and Stanford are consistent sources of OPT-eligible positions.
Which cities in California have the most science and research F-1 OPT sponsorship jobs?
The San Francisco Bay Area, including San Jose and South San Francisco, leads due to its concentration of biotech firms and tech research labs. San Diego is a major hub for life sciences, genomics, and pharmaceutical research, home to companies like Illumina and the Salk Institute. Los Angeles has a growing presence in aerospace research and bioscience, and Sacramento offers opportunities tied to environmental and agricultural research.
What types of science and research roles typically qualify for F-1 OPT sponsorship in California?
Roles that commonly qualify include research scientist, data scientist, bioinformatics analyst, computational biologist, environmental scientist, chemical engineer, and laboratory research associate. Positions tied to a STEM-designated degree program are eligible for the 24-month STEM OPT extension, which significantly broadens hiring opportunities. Postdoctoral research roles at universities and national laboratories are also frequently open to OPT candidates.
How do I find science & research F-1 OPT sponsorship jobs in California?
Migrate Mate is built specifically for international students and filters science and research jobs in California by visa type, including F-1 OPT. Rather than sorting through general job boards and guessing which employers are open to sponsorship, you can search directly for roles where OPT eligibility is confirmed. This saves time and helps you focus on employers who have a track record of hiring OPT candidates in science and research fields.
Are there any California-specific considerations for F-1 OPT sponsorship in science and research?
California employers must comply with state labor laws that run parallel to federal OPT requirements, so employment terms should align with both. Many research positions are funded through federal grants, which can affect hiring timelines and headcount decisions. STEM OPT positions require a formal training plan submitted through your university's designated school official, and the employer must be E-Verify enrolled, which is a federally mandated requirement for all STEM OPT extensions.