Medical Writer Jobs in California
Medical Writer jobs in California are among the most active in the country, concentrated in the San Francisco Bay Area, San Diego, and Los Angeles, where a dense network of biopharmaceutical companies, medical device firms, and academic medical centers drives consistent demand at every level from entry-level associate writer through senior and principal roles. Employers with a lasting California presence include Genentech, Johnson and Johnson, and AstraZeneca, all of which maintain significant regulatory and clinical writing operations in the state. The most in-demand specialties are regulatory submissions writing, clinical study reports, and medical communications for oncology and rare disease programs. Find a role that fits below and apply directly.
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INTRODUCTION
MannKind Corporation is a biopharmaceutical company dedicated to transforming chronic disease care through innovative, patient‑centric solutions, developing and commercializing innovative inhaled therapeutics and drug‑device technologies aimed at addressing serious unmet needs across endocrine, cardiorenal, and orphan lung diseases. The company applies deep expertise in formulation science and inhalation‑device engineering to reduce the treatment burden for conditions such as diabetes, congestive heart failure, pulmonary fibrosis, and pulmonary hypertension.
MannKind’s core technologies, including ultrafine dry‑powder formulations and advanced inhalation platforms, enable rapid, convenient delivery of medicines directly to the deep lung. This approach supports both local pulmonary targeting and systemic delivery for various medical indications. Through alternative drug formulations and delivery mechanisms, MannKind aims to bring forward differentiated, patient‑centric therapies that expand treatment options to improve outcomes across chronic and rare diseases.
At MannKind, our employees are our greatest asset. We foster a close-knit, collaborative culture where every team member plays a vital role in our mission. We are proud to champion a rich blend of backgrounds, perspectives, and working styles as we work together to improve health outcomes and change lives.
Position Summary:
MannKind Corporation is seeking a detail-oriented and highly organized Medical Writer to join our team. The Medical Writer will provide advanced scientific writing expertise and ensure the successful preparation of high-quality documents including but not limited to study protocols, CSRs, DSURS, IB, safety narratives, publications and submission documents. This role involves providing medical writing support for multiple compounds and projects within multiple therapeutic areas, potentially interfacing with external groups, and serving as the scientific writing expert for the department.
Essential Duties and Job Functions:
- Coordinate and lead the review, approval, and production of writing projects, arranging and driving review meetings with cross-functional teams.
- Ensure effective communication among project team members and contributors, holding them accountable to agreed-upon project dates.
- Leads strategic document preparation for INDs, NDAs and briefing documents.
- Establish best practices, workflow infrastructure/templates, and standards to enhance consistency and quality across all regulatory and scientific documents.
- Oversee the development and finalization of high-quality, scientifically accurate, ICH-compliant documents, including clinical study protocols and reports, Investigator Brochures, Periodic Safety Updates, patient narratives, and manuscripts for peer-reviewed publications.
- Stay abreast of global regulatory requirements and guidelines (FDA, EMA, PMDA, ICH, etc.), ensuring company compliance and best practices.
- Partner with cross-functional teams, including clinical development, medical affairs, regulatory affairs, safety to ensure seamless integration of medical writing.
- Lead and oversee medical writing project timelines, ensuring alignment with broader corporate milestones.
- Serve as the medical writer representative on project teams.
- Write and edit scientific, clinical, or abstracts, posters, presentations, digital enhancements, and manuscripts aligned with scientific narrative and objectives.
- Complete reviews, quality checks and approvals.
- Summarize results presented in graphical, tabular, and/or listing format.
- Interpret complex clinical data and convert it into clear, concise, and engaging scientific content for diverse audiences.
Knowledge, Experience and Skills:
- BS/BA +12 / MS/MBA 8-10, PhD 5+
- Degree in science or medical related field. Master’s or PhD preferred.
- Minimum of 7 years relevant industry experience in medical writing in sponsor/CRO setting or academia, or related areas such as quality, regulatory submissions, publications, clinical research, or product support/R&D.
- Knowledge of US and international regulations, requirements, and guidance associated with writing projects.
- Excellent written and oral communication skills, attention to detail, and ability to correct errors in spelling, punctuation, grammar, consistency, clarity, and accuracy.
- Extensive experience working with collaborative, cross-functional teams.
- Develop and/or update document templates, work instructions, style guides, and department-related processes (SOPs).
- Experience working on publications for multiple therapeutic areas, endocrinology and pulmonology preferred.
- Understanding of publication/scientific communication guidelines.
- Ability to provide strategic oversight while managing multiple priorities in a fast-paced environment.
- Deep understanding of ICH-GCP guidelines and other relevant regulatory requirements.
- Strategic thinker with strong execution skills.
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Find Medical Writer JobsMedical Writer Jobs by City in California
Where California roles are concentrated, by current openings.
Medical Writer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
- BioMarin Pharmaceutical4

- DGN Technologies2

- Applied Medical1

- MannKind Corporation1

Top Industries Hiring
- Biotechnology & Pharmaceuticals4
- Consulting & Professional Services2
- Healthcare & Medical Services2
- Technology & Software2
- Medical Devices1
What California Employers Look For
The qualifications that appear most often in medical writer jobs across California.
- Bachelor's or advanced degree in life sciences, pharmacy, or a related field
- Experience writing regulatory documents such as clinical study reports or submission dossiers
- Demonstrated ability to translate complex scientific data into clear written content
- Familiarity with ICH guidelines, FDA submission standards, and Good Documentation Practice
- Strong project management skills with ability to meet tight regulatory deadlines
- Proficiency with publishing tools such as Microsoft Word, eCTD templates, or similar platforms
Medical Writer Jobs in California: Frequently Asked Questions
How do you become a medical writer in California?
Most medical writers in California enter the field through a graduate or undergraduate degree in biology, pharmacology, nursing, or a related life science, then build experience in a clinical, research, or communications role. California does not require a state-issued license to work as a medical writer. Many candidates strengthen their profile by earning the American Medical Writers Association credential or gaining experience at a California biotech, CRO, or academic medical center before moving into a dedicated writing role.
Which companies hire medical writers in California?
Employers hiring medical writers in California right now include BioMarin Pharmaceutical, DGN Technologies, and Applied Medical, based on current listings on Migrate Mate as of June 2026. California's concentration of biopharmaceutical headquarters, contract research organizations, and large academic health systems means openings appear across a wide range of therapeutic areas and company sizes.
Which California cities have the most medical writer jobs?
San Rafael, Sunnyvale, and Rancho Santa Margarita are the California cities with the most medical writer openings. The San Francisco Bay Area and San Diego dominate because they anchor the state's largest biopharmaceutical and biotech clusters, while Los Angeles draws openings from medical device companies, health systems, and medical communications agencies headquartered there.
Are there remote medical writer jobs in California?
Yes, and more than most fields. Medical writing is a document-heavy, desk-based discipline, making it well suited to remote arrangements. About 13% of medical writer openings tied to California are remote or hybrid as of June 2026, reflecting how broadly the industry has adopted flexible work for this role. Regulatory writing and medical communications positions are the most consistently remote, while roles tied to clinical operations or site-based research teams are more likely to require some on-site presence.
How can I get hired as a medical writer in California with little or no experience?
The most realistic entry path is through a related role, such as clinical research associate, research coordinator, or scientific editor, at a California biotech or CRO, then transitioning into writing by taking on documentation tasks. Large employers such as Genentech and contract research organizations operating throughout the Bay Area and San Diego often post associate medical writer openings that accept candidates with strong science backgrounds and no direct writing experience. Completing the American Medical Writers Association core curriculum and building a writing portfolio through academic publications or volunteer medical communications work gives candidates a concrete edge.
Where can I find and apply to medical writer jobs in California?
You can find and apply to medical writer jobs in California on Migrate Mate, which lists current California openings across biopharmaceutical companies, contract research organizations, medical communications agencies, and health systems. Find roles that fit your experience and apply directly to the employers posting them.
See All 8 Medical Writer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
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