Medical Science Liaison Jobs in California
Medical Science Liaison jobs in California are among the most active in the country, concentrated in oncology, immunology, and rare disease across the biotech-dense corridors of San Francisco Bay Area, San Diego, and Los Angeles. California's depth of pharmaceutical headquarters, academic medical centers, and biotechnology companies sustains demand at every level from entry-level associate MSL through senior and regional director positions. Major employers with a lasting California presence include Genentech, Gilead Sciences, and Johnson & Johnson. Find a role that fits below and apply directly.
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About Us
Founded in 2011, Fulgent has evolved into a premier, full-service genomic testing company built around a foundational technology platform.
Through our diverse testing menu, Fulgent is focused on transforming patient care in oncology, anatomic pathology, infectious and rare diseases, and reproductive health. We believe that by providing a wide range of effective, flexible testing options in conjunction with best-in-class service and support, we can redefine the way medicine is managed for patients and clinicians alike.
Since integrating with our therapeutic development business, Fulgent is also developing drug candidates for treating a broad range of cancers using a novel nanoencapsulation and targeted therapy platform. By merging our fields of expertise, we aim to become a fully integrated precision medicine company.
Summary of Position
The Senior Medical Science Liaison (Sr. MSL), Pediatric Rare Diseases, is an experienced, board-certified genetic counselor with deep expertise in pediatric and rare disease genetics who serves as an advanced scientific and strategic resource for our commercial, clinical education, and medical affairs teams. This role operates with a high degree of autonomy, leading complex scientific engagements with key opinion leaders (KOLs), shaping regional and national medical affairs strategy, and mentoring junior MSLs and genetic counselors. The Sr. MSL ensures high-quality education and strategic communication regarding Fulgent's pediatric rare disease genetic testing portfolio, including whole genome sequencing solutions such as FulGenome. The ideal candidate brings a proven track record of scientific leadership, a dynamic personality with a strong background in clinical and molecular genetics, is passionate about translating complex science into actionable insights, and thrives in a fast-paced, collaborative environment.
Key Job Elements
- Serve as a subject matter expert on pediatric rare disease genetic testing, including whole exome sequencing, whole genome sequencing (FulGenome), TruPath™ Genome long-read analysis, next-generation sequencing (NGS) panels, and exome-based rare disease diagnostic testing.
- Support and educate genetic counselors, medical geneticists, pediatric neurologists, developmental pediatricians, NICU decision makers, and related providers at Children's Hospitals and academic medical centers on the clinical utility and scientific foundation of Fulgent products and services.
- Collaborate closely with the Genomics Sales team, marketing, medical affairs, and Clinical Development/R&D teams to support field-based efforts targeting Children's Hospitals and academic institutions with clinical credibility and strategic insights.
- Conduct scientific presentations, roundtable discussions, and one-on-one meetings to deliver product training and clinical updates on pediatric rare disease testing, including FulGenome whole genome analysis and TruPath™ Genome long-read insights.
- Serve as the lead clinical liaison to key regional and national opinion leaders in pediatric genetics and rare disease, developing and executing KOL engagement strategy and fostering long-term, independent professional relationships.
- Attend and represent Fulgent Genetics at regional and national pediatric genetics and rare disease conferences, symposia, and events.
- Provide timely, high-level feedback and field insights to help shape medical, research, and commercial strategy at the regional and national level.
- Mentor, coach, and help onboard junior MSLs and field-based genetic counselors, sharing best practices and serving as a scientific resource within the broader Medical Affairs team.
- Contribute to Medical Affairs research strategy, including support for investigator-initiated trials, real-world evidence generation, and abstract/publication development in partnership with Clinical Development.
- Participate in and help lead scientific advisory boards, providing strategic input on pediatric rare disease testing initiatives.
- Ensure compliant and ethical interactions with external healthcare professionals.
- Maintain deep technical fluency in Fulgent's FulGenome whole genome analysis—covering SNVs, CNVs, genome-wide deletions and duplications, mitochondrial variants, and repeat expansions across 20,000+ genes in a single report—as well as TruPath™ Genome, which adds long-range insights for complex structural variants, repeat expansions, difficult-to-map regions, and phasing without parental samples.
Knowledge/Experience
- Master’s degree in Genetic Counseling from an accredited program.
- Board certification by the American Board of Genetic Counseling (ABGC).
- Minimum of 5-7 years of combined clinical genetic counseling, industry, and/or MSL experience is required, including at least 3 years in an MSL or similar field-based role, preferably in pediatric genetics or rare disease.
- Strong interpersonal, presentation, and communication skills.
- Ability to interpret and clearly communicate complex scientific data to diverse audiences.
- Demonstrated track record of independently developing and executing KOL engagement strategies, with an established regional/national network in pediatric genetics or rare disease preferred.
- Experience contributing to research strategy, investigator-initiated trials, and/or abstract and publication development strongly preferred.
- Prior experience mentoring, coaching, or informally leading other MSLs or genetic counselors preferred.
- Experience working cross-functionally with sales, marketing, or business development teams preferred.
- Familiarity with industry trends in pediatric rare disease and whole genome sequencing testing preferred.
- Experience supporting or partnering with sales teams calling on Children's Hospitals and academic institutions in the rare disease market preferred.
- Willingness to travel up to 50 percent in the assigned territory.
- Self-starter with a strong sense of ownership and the ability to work autonomously.
- High energy, enthusiastic, and motivational style.
- Tactical and strategic thinker.
- Teamwork – Commitment to the successful achievement of team and organizational goals through a desire to participate with and help other members of the team.
Supervisory Responsibilities
- None (individual contributor role); provides informal mentorship and guidance to junior MSLs and field-based genetic counselors.
Reports To
- Regional Vice President Sales
Environment
Fulgent Therapeutics LLC is an Equal Employment Opportunity Employer.
The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable qualified individuals with disabilities to perform the essential functions. The term “qualified individual with a disability” means an individual with a disability who, with or without reasonable accommodation, can perform the essential functions of the position.
Safety and Work Environment:
- This position is field based
- Adhere to Company and Departmental Specific Safety Guidelines.
Physical Demands:
- Standing, sitting, walking, bending, reaching, manual manipulation and lifting up to 40 pounds (primarily for carrying marketing materials, presentation equipment, luncheon goods, etc.).
Benefits include:
- Health, dental, vision, disability, life and AD&D insurance
- FSA and HSA plans
- Employee Assistance Program
- 401K plan
- Vacation time
- Annual sick leave
- Company-paid holidays
- Continuous education allowance
- Employee referral bonus program
- Childcare and commute allowance
- Voluntary elective benefits such as pet insurance, legal plan, accident, critical illness, and hospital indemnity insurance
For California residents, please see the link below to access our CCPA Privacy Notice.
CCPA Privacy Notice for California Residents
https://tinyurl.com/FulgentCCPA
Please note that Fulgent (and its affiliated companies, including Inform Diagnostics and CSI Laboratories) does not accept unsolicited information and/or resumes from search firms or agencies for our job postings. Search firms or agencies without an applicable contract and/or express approval to recruit for the role in question — that choose to submit a resume or client information to our career page or to any employee of Fulgent — will not be eligible for payment of any fee(s), and any associated shared data will become the property of Fulgent.
About Us
Founded in 2011, Fulgent has evolved into a premier, full-service genomic testing company built around a foundational technology platform.
Through our diverse testing menu, Fulgent is focused on transforming patient care in oncology, anatomic pathology, infectious and rare diseases, and reproductive health. We believe that by providing a wide range of effective, flexible testing options in conjunction with best-in-class service and support, we can redefine the way medicine is managed for patients and clinicians alike.
Since integrating with our therapeutic development business, Fulgent is also developing drug candidates for treating a broad range of cancers using a novel nanoencapsulation and targeted therapy platform. By merging our fields of expertise, we aim to become a fully integrated precision medicine company.
Summary of Position
The Senior Medical Science Liaison (Sr. MSL), Pediatric Rare Diseases, is an experienced, board-certified genetic counselor with deep expertise in pediatric and rare disease genetics who serves as an advanced scientific and strategic resource for our commercial, clinical education, and medical affairs teams. This role operates with a high degree of autonomy, leading complex scientific engagements with key opinion leaders (KOLs), shaping regional and national medical affairs strategy, and mentoring junior MSLs and genetic counselors. The Sr. MSL ensures high-quality education and strategic communication regarding Fulgent's pediatric rare disease genetic testing portfolio, including whole genome sequencing solutions such as FulGenome. The ideal candidate brings a proven track record of scientific leadership, a dynamic personality with a strong background in clinical and molecular genetics, is passionate about translating complex science into actionable insights, and thrives in a fast-paced, collaborative environment.
Key Job Elements
- Serve as a subject matter expert on pediatric rare disease genetic testing, including whole exome sequencing, whole genome sequencing (FulGenome), TruPath™ Genome long-read analysis, next-generation sequencing (NGS) panels, and exome-based rare disease diagnostic testing.
- Support and educate genetic counselors, medical geneticists, pediatric neurologists, developmental pediatricians, NICU decision makers, and related providers at Children's Hospitals and academic medical centers on the clinical utility and scientific foundation of Fulgent products and services.
- Collaborate closely with the Genomics Sales team, marketing, medical affairs, and Clinical Development/R&D teams to support field-based efforts targeting Children's Hospitals and academic institutions with clinical credibility and strategic insights.
- Conduct scientific presentations, roundtable discussions, and one-on-one meetings to deliver product training and clinical updates on pediatric rare disease testing, including FulGenome whole genome analysis and TruPath™ Genome long-read insights.
- Serve as the lead clinical liaison to key regional and national opinion leaders in pediatric genetics and rare disease, developing and executing KOL engagement strategy and fostering long-term, independent professional relationships.
- Attend and represent Fulgent Genetics at regional and national pediatric genetics and rare disease conferences, symposia, and events.
- Provide timely, high-level feedback and field insights to help shape medical, research, and commercial strategy at the regional and national level.
- Mentor, coach, and help onboard junior MSLs and field-based genetic counselors, sharing best practices and serving as a scientific resource within the broader Medical Affairs team.
- Contribute to Medical Affairs research strategy, including support for investigator-initiated trials, real-world evidence generation, and abstract/publication development in partnership with Clinical Development.
- Participate in and help lead scientific advisory boards, providing strategic input on pediatric rare disease testing initiatives.
- Ensure compliant and ethical interactions with external healthcare professionals.
- Maintain deep technical fluency in Fulgent's FulGenome whole genome analysis—covering SNVs, CNVs, genome-wide deletions and duplications, mitochondrial variants, and repeat expansions across 20,000+ genes in a single report—as well as TruPath™ Genome, which adds long-range insights for complex structural variants, repeat expansions, difficult-to-map regions, and phasing without parental samples.
Knowledge/Experience
- Master’s degree in Genetic Counseling from an accredited program.
- Board certification by the American Board of Genetic Counseling (ABGC).
- Minimum of 5-7 years of combined clinical genetic counseling, industry, and/or MSL experience is required, including at least 3 years in an MSL or similar field-based role, preferably in pediatric genetics or rare disease.
- Strong interpersonal, presentation, and communication skills.
- Ability to interpret and clearly communicate complex scientific data to diverse audiences.
- Demonstrated track record of independently developing and executing KOL engagement strategies, with an established regional/national network in pediatric genetics or rare disease preferred.
- Experience contributing to research strategy, investigator-initiated trials, and/or abstract and publication development strongly preferred.
- Prior experience mentoring, coaching, or informally leading other MSLs or genetic counselors preferred.
- Experience working cross-functionally with sales, marketing, or business development teams preferred.
- Familiarity with industry trends in pediatric rare disease and whole genome sequencing testing preferred.
- Experience supporting or partnering with sales teams calling on Children's Hospitals and academic institutions in the rare disease market preferred.
- Willingness to travel up to 50 percent in the assigned territory.
- Self-starter with a strong sense of ownership and the ability to work autonomously.
- High energy, enthusiastic, and motivational style.
- Tactical and strategic thinker.
- Teamwork – Commitment to the successful achievement of team and organizational goals through a desire to participate with and help other members of the team.
Supervisory Responsibilities
- None (individual contributor role); provides informal mentorship and guidance to junior MSLs and field-based genetic counselors.
Reports To
- Regional Vice President Sales
Environment
Fulgent Therapeutics LLC is an Equal Employment Opportunity Employer.
The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable qualified individuals with disabilities to perform the essential functions. The term “qualified individual with a disability” means an individual with a disability who, with or without reasonable accommodation, can perform the essential functions of the position.
Safety and Work Environment:
- This position is field based
- Adhere to Company and Departmental Specific Safety Guidelines.
Physical Demands:
- Standing, sitting, walking, bending, reaching, manual manipulation and lifting up to 40 pounds (primarily for carrying marketing materials, presentation equipment, luncheon goods, etc.).
Benefits include:
- Health, dental, vision, disability, life and AD&D insurance
- FSA and HSA plans
- Employee Assistance Program
- 401K plan
- Vacation time
- Annual sick leave
- Company-paid holidays
- Continuous education allowance
- Employee referral bonus program
- Childcare and commute allowance
- Voluntary elective benefits such as pet insurance, legal plan, accident, critical illness, and hospital indemnity insurance
For California residents, please see the link below to access our CCPA Privacy Notice.
CCPA Privacy Notice for California Residents
https://tinyurl.com/FulgentCCPA
Please note that Fulgent (and its affiliated companies, including Inform Diagnostics and CSI Laboratories) does not accept unsolicited information and/or resumes from search firms or agencies for our job postings. Search firms or agencies without an applicable contract and/or express approval to recruit for the role in question — that choose to submit a resume or client information to our career page or to any employee of Fulgent — will not be eligible for payment of any fee(s), and any associated shared data will become the property of Fulgent.
See All 50 Medical Science Liaison Jobs in California
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Find Medical Science Liaison JobsMedical Science Liaison Jobs by City in California
Where California roles are concentrated, by current openings.
Medical Science Liaison Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Biotechnology & Pharmaceuticals
- Science & Research
- Healthcare & Medical Services
What California Employers Look For
The qualifications that appear most often in medical science liaison jobs across California.
- Advanced degree required: PharmD, MD, PhD, or equivalent in a life sciences field
- Minimum two to five years of clinical, research, or pharmaceutical industry experience
- Deep scientific expertise in a therapeutic area such as oncology, immunology, or rare disease
- Proven ability to engage key opinion leaders and scientific stakeholders at a peer level
- Strong written and verbal communication skills for presenting complex clinical data
- Willingness to travel extensively within a defined California or regional territory
Medical Science Liaison Jobs in California: Frequently Asked Questions
How do you become a medical science liaison in California?
The most direct path is completing a doctoral-level degree in pharmacy, medicine, or a life science discipline, then gaining clinical or research experience in a relevant therapeutic area. California does not require a state-issued license specific to the medical science liaison role itself, though PharmDs who counsel patients must hold an active California Board of Pharmacy license. Most California employers prioritize therapeutic area expertise, so publishing research, presenting at scientific conferences, or completing a fellowship with a California biotech or pharma company builds the credentials that open doors.
How much do medical science liaisons make in California?
Medical science liaisons in California earn a median of about $137,650 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $105,810 for the lowest 10% to over $178,040 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire medical science liaisons in California?
Employers hiring medical science liaisons in California right now include サイネオス・ヘルス, Syneos Health Commercial Solutions, and Fulgent Therapeutics, based on current listings on Migrate Mate as of August 2026. California's concentration of biotech headquarters and academic medical centers means hiring is particularly active in oncology and immunology across the Bay Area and San Diego.
Which California cities have the most medical science liaison jobs?
Los Angeles, San Francisco, and San Diego have the most medical science liaison openings in California. The Bay Area leads because it is home to Genentech, Gilead Sciences, and dozens of mid-size biotechs, while San Diego's density of life sciences companies and research institutions drives demand there, and Los Angeles pulls volume through its large academic medical centers and regional pharmaceutical offices.
Are there remote medical science liaison jobs in California?
Yes, but they're rare. Medical science liaison work is relationship-driven and requires regular in-person engagement with physicians, researchers, and key opinion leaders, which limits fully remote arrangements. About 71% of medical science liaison openings tied to California are remote or hybrid as of August 2026, and those roles tend to concentrate the remote flexibility on administrative duties like medical information requests and internal reporting rather than field engagement.
How can I get hired as a medical science liaison in California with little or no experience?
The most realistic entry path is completing a medical science liaison fellowship, several of which are offered by California-based companies including Genentech and Gilead Sciences and are designed for doctoral-level candidates without prior industry experience. Alternatively, moving laterally from a clinical pharmacist, postdoctoral researcher, or clinical research associate role into an associate MSL or medical affairs coordinator position is common at large California biotech and specialty pharma employers. Building a publication record or presenting at California academic medical conferences strengthens a candidacy considerably at this stage.
Where can I find and apply to medical science liaison jobs in California?
You can find and apply to medical science liaison jobs in California on Migrate Mate, which lists current California openings. Find the roles that fit your therapeutic area expertise and experience level and apply directly.
See All 50 Medical Science Liaison Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
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