Senior Researcher Visa Sponsorship Jobs in California
California is one of the top states for senior researcher visa sponsorship, driven by major tech employers like Google, Meta, and Apple in Silicon Valley, biotech hubs in San Diego and the Bay Area, and world-class research universities including UC Berkeley, UCLA, and Stanford that consistently hire internationally for advanced research roles.
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Get Access To All JobsOpen date: Immediately
Next review date: December 1, 2026
Final date: March 1, 2027
The anticipated start date is January 2027, with flexibility depending on candidate availability.
Location: School of Veterinary Medicine, University of California, Davis.
Position Description
The Segarra Lab at the University of California, Davis (UC Davis) seeks a highly motivated Postdoctoral Researcher with expertise in fish physiology and behavior to join our team. The successful candidate will join a collaborative and interdisciplinary research environment involving faculty, staff and students studying the physiological ecology of California fishes and their responses to environmental change, with the ultimate goal of improving conservation and management strategies. The initial appointment will be for one year, with the possibility of extension for a second or third year, subject to funding availability.
The primary responsibility of the Postdoctoral Researcher will be to oversee and conduct experiments investigating the effects of environmental conditions and contaminant exposure on the physiology and behavior of juvenile Chinook salmon. These projects aim to provide critical information on how environmental stressors influence fish performance during outmigration and the potential implications for salmon conservation and management.
The researcher will participate in field-based exposure studies, including fish cage deployments in collaboration with the Fangue Lab at UC Davis, followed by laboratory assessments of fish physiology and behavior. Experiments may include swimming performance (Ucrit), thermal tolerance (CTmax), physiological stress indicators (e.g., cortisol and blood glucose), and behavioral assays. These assessments will be complemented by contaminant analyses of fish tissues and water samples conducted in collaboration with Southern Illinois University (SIU).
The successful candidate will play an active role throughout the research process, from experimental design and data collection to statistical analysis, interpretation, and scientific communication. The candidate will also be responsible for supervising undergraduate students and coordinating their involvement in research activities. The position offers opportunities to serve as lead author on peer-reviewed publications, present research findings at scientific conferences, and interact with academic collaborators and stakeholders involved in fisheries conservation and management.
Qualifications
- Ph.D. in Physiology, Ecology, Animal Biology, Animal Behavior, or a closely related field.
- Demonstrated hands-on experience conducting fish physiology experiments and interpreting physiological data.
- Experience in experimental design, planning, and project coordination, including the ability to meet research objectives and deadlines.
- Strong statistical and analytical skills, including proficiency with R or comparable statistical software.
- Strong organizational, interpersonal, and problem-solving skills, with the ability to work independently and collaboratively.
Preferred Qualifications
- Fish physiology: Experience with physiological techniques such as swimming performance (Ucrit), thermal tolerance (CTmax), and physiological stress measurements.
- Fish behavior: Experience designing behavioral experiments and using behavioral analysis software (e.g., EthoVision).
- Field research: Experience with fish handling, cage deployments, boat-based fieldwork, and small-boat operation.
- Salmonid research: Previous experience working with salmonids, particularly Chinook salmon, including fish husbandry and experimental handling.
- Scientific productivity: Strong publication record in peer-reviewed journals, demonstrating scientific independence and effective communication of research findings.
- Research leadership: Experience independently managing research activities, troubleshooting experimental challenges, and mentoring undergraduate students or research assistants.
- Environmental toxicology: Previous experience would be an asset.
Salary and Appointment
Salary and benefits will be consistent with UC Davis policies and commensurate with qualifications and experience.
Application Requirements
Interested candidates should submit:
- Curriculum Vitae (CV), including publications, presentations, and relevant laboratory and field research experience.
- Cover letter (1–2 pages) describing their research background, relevant technical expertise, professional interests, and motivation for applying.
- Contact information for three professional references familiar with their research experience and qualifications.
Please email your application to asegarra@ucdavis.edu with the subject line: “Post-Doc in fish physiology”. For more information about our research, please visit https://segarralab.faculty.ucdavis.edu
Pay: $56,000.00 - $73,000.00 per year
Benefits:
- Dental insurance
- Health insurance
- Paid time off
- Vision insurance
Education:
- Doctorate (Preferred)
License/Certification:
- driver's license (Required)
Location:
- Davis, CA 95616 (Preferred)
Willingness to travel:
- 25% (Preferred)
Work Location: In person
Open date: Immediately
Next review date: December 1, 2026
Final date: March 1, 2027
The anticipated start date is January 2027, with flexibility depending on candidate availability.
Location: School of Veterinary Medicine, University of California, Davis.
Position Description
The Segarra Lab at the University of California, Davis (UC Davis) seeks a highly motivated Postdoctoral Researcher with expertise in fish physiology and behavior to join our team. The successful candidate will join a collaborative and interdisciplinary research environment involving faculty, staff and students studying the physiological ecology of California fishes and their responses to environmental change, with the ultimate goal of improving conservation and management strategies. The initial appointment will be for one year, with the possibility of extension for a second or third year, subject to funding availability.
The primary responsibility of the Postdoctoral Researcher will be to oversee and conduct experiments investigating the effects of environmental conditions and contaminant exposure on the physiology and behavior of juvenile Chinook salmon. These projects aim to provide critical information on how environmental stressors influence fish performance during outmigration and the potential implications for salmon conservation and management.
The researcher will participate in field-based exposure studies, including fish cage deployments in collaboration with the Fangue Lab at UC Davis, followed by laboratory assessments of fish physiology and behavior. Experiments may include swimming performance (Ucrit), thermal tolerance (CTmax), physiological stress indicators (e.g., cortisol and blood glucose), and behavioral assays. These assessments will be complemented by contaminant analyses of fish tissues and water samples conducted in collaboration with Southern Illinois University (SIU).
The successful candidate will play an active role throughout the research process, from experimental design and data collection to statistical analysis, interpretation, and scientific communication. The candidate will also be responsible for supervising undergraduate students and coordinating their involvement in research activities. The position offers opportunities to serve as lead author on peer-reviewed publications, present research findings at scientific conferences, and interact with academic collaborators and stakeholders involved in fisheries conservation and management.
Qualifications
- Ph.D. in Physiology, Ecology, Animal Biology, Animal Behavior, or a closely related field.
- Demonstrated hands-on experience conducting fish physiology experiments and interpreting physiological data.
- Experience in experimental design, planning, and project coordination, including the ability to meet research objectives and deadlines.
- Strong statistical and analytical skills, including proficiency with R or comparable statistical software.
- Strong organizational, interpersonal, and problem-solving skills, with the ability to work independently and collaboratively.
Preferred Qualifications
- Fish physiology: Experience with physiological techniques such as swimming performance (Ucrit), thermal tolerance (CTmax), and physiological stress measurements.
- Fish behavior: Experience designing behavioral experiments and using behavioral analysis software (e.g., EthoVision).
- Field research: Experience with fish handling, cage deployments, boat-based fieldwork, and small-boat operation.
- Salmonid research: Previous experience working with salmonids, particularly Chinook salmon, including fish husbandry and experimental handling.
- Scientific productivity: Strong publication record in peer-reviewed journals, demonstrating scientific independence and effective communication of research findings.
- Research leadership: Experience independently managing research activities, troubleshooting experimental challenges, and mentoring undergraduate students or research assistants.
- Environmental toxicology: Previous experience would be an asset.
Salary and Appointment
Salary and benefits will be consistent with UC Davis policies and commensurate with qualifications and experience.
Application Requirements
Interested candidates should submit:
- Curriculum Vitae (CV), including publications, presentations, and relevant laboratory and field research experience.
- Cover letter (1–2 pages) describing their research background, relevant technical expertise, professional interests, and motivation for applying.
- Contact information for three professional references familiar with their research experience and qualifications.
Please email your application to asegarra@ucdavis.edu with the subject line: “Post-Doc in fish physiology”. For more information about our research, please visit https://segarralab.faculty.ucdavis.edu
Pay: $56,000.00 - $73,000.00 per year
Benefits:
- Dental insurance
- Health insurance
- Paid time off
- Vision insurance
Education:
- Doctorate (Preferred)
License/Certification:
- driver's license (Required)
Location:
- Davis, CA 95616 (Preferred)
Willingness to travel:
- 25% (Preferred)
Work Location: In person
Senior Researcher Job Roles in California
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Search Senior Researcher Jobs in CaliforniaSenior Researcher Jobs in California: Frequently Asked Questions
Which companies in California sponsor visas for senior researchers?
Large technology employers including Google, Meta, Apple, and Microsoft have established sponsorship programs for senior researchers across their California campuses. Biotech and pharmaceutical companies such as Genentech, Gilead Sciences, and Amgen also sponsor frequently, particularly in the Bay Area and San Diego. National laboratories including Lawrence Berkeley and SLAC National Accelerator Laboratory are active sponsors for research-focused roles.
Which visa types are most common for senior researcher roles in California?
The H-1B visa is the most common visa for senior researchers in California, given that research roles typically qualify as specialty occupations requiring at least a bachelor's degree in a specific field. The O-1A is a strong alternative for researchers with publications, awards, or peer recognition. Some university-affiliated researchers may also hold J-1 visas through exchange visitor programs, and those with exceptional records sometimes pursue EB-1A or EB-2 NIW immigrant visa pathways.
Which cities in California have the most senior researcher visa sponsorship jobs?
The San Francisco Bay Area, including San Jose, Mountain View, Menlo Park, and Berkeley, has the highest concentration of senior researcher sponsorship jobs, particularly in technology and life sciences. San Diego is a major hub for biotech and pharmaceutical research roles. Los Angeles also has significant activity, driven by research institutions, entertainment technology companies, and the University of California system.
How to find senior researcher visa sponsorship jobs in California?
Migrate Mate filters job listings specifically by visa sponsorship availability, making it straightforward to browse senior researcher roles in California without sorting through positions that do not offer sponsorship. Because California employers span technology, biotech, academia, and government research, using Migrate Mate to narrow by location and role helps identify which organizations are actively hiring internationally for senior researcher positions.
Are there California-specific considerations for senior researcher roles and visa sponsorship?
California employers sponsoring H-1B workers must comply with Department of Labor prevailing wage requirements, which reflect the state's generally higher cost of living and competitive compensation norms. Researchers at public universities like UC San Diego or UC Davis may encounter different sponsorship structures than those at private firms. California's strong international research community, fed by graduate programs at Stanford, Caltech, and the UC system, means employers here are generally experienced with international hiring processes.
What is the prevailing wage for sponsored senior researcher jobs in California?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.