Skills this job asks for
StatisticsSAPEnglishExcel
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Sponsorship verdict
Sponsorship possible
One solid signal, not two. Worth applying, and worth asking about sponsorship early.
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✓
Employer is on a government sponsor recordThe US Department of Labor certified 1 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first.
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The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
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No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area.
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✓
Confirmed live todayWhen a source last listed this job as open.
Details and sources
- Employer is on a government sponsor record
- The US Department of Labor certified 1 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. Source: LCA disclosure data (US Department of Labor (OFLC)).
- No salary bar for this route
- H-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.
About the role
MISSION
Mirum Pharmaceuticals is a biopharmaceutical company dedicated to transforming the treatment of rare diseases. We are passionate about advancing scientific discoveries to become important medicines for rare disease patients. We are collaborative, creative, and experienced professionals and we’re looking to augment our team with other individuals who embody our values: care, be real, get it done, and have fun, seriously.
POSITION SUMMARY
Principal Medical Writer works closely with stakeholders in Clinical Development, Clinical Operations, Biostatistics, and other functional areas and manages medical writing service providers to develop Regulatory documents, including but not limited to clinical study protocols and clinical protocol amendments, clinical study reports, patient narratives, clinical development plans, IND submissions, integrated summary reports, NDA/MAA and eCTD submissions, and Investigator Brochures, etc.
JOB FUNCTIONS/RESPONSIBILITIES
• Participate in and oversee vendors for the writing, editing, and confirmation of the scientific and medical accuracy of clinical and regulatory documents.
• Work collaboratively to incorporate/adjudicate comments from internal and external stakeholders through document development to produce final high-quality deliverables.
• Interact with internal stakeholders and with external service providers to ensure the timely development, review, and publication of documents.
• Critically analyze complex data and information and collaborate with clinical, medical, and biostatistics/data science teams on data analysis, description, and presentation.
• Coordinate the development of the documents named above and others as assigned by the Head of Medical Writing.
• Ensure quality control of documents as well as formatting finalization.
• Provide support in development of submission-level documents.
• Ensure adherence to timelines.
• Assist the Head of Medical Writing in coordinating workload and maintaining a high standard. Effectively manage multiple assignments in parallel.
• Prepare documents in accordance with Mirum SOP and specifications as applicable, and relevant ICH and regulatory/industry guidelines.
• Review of Statistical Analysis Plan (SAP) and Tables, Figures and Listings (TFLs) to ensure appropriate data presentation for CSR purposes. Provide feedback on SAP and TFLs to project team as needed.
• Inform management of medical writing problems promptly and propose solutions.
• Provide advice on medical writing issues to project team members (internal and external) and help to resolve problems.
• Represent department in audits and interdepartmental working groups.
• Develop and maintain in-depth scientific, medical, and technical knowledge relevant to Mirum’s clinical studies and pipeline.
• Develop strong relationships with external advisors.
QUALIFICATIONS
Education /Experience:
• An advanced degree with minimum of 8-10 years of experience in medical writing in the pharmaceutical, biotech, medical communication agency industry.
• Excellent writing ability with strong editorial and formatting skills.
• Fluency in written and spoken English.
• An independently motivated working style with good problem-solving skills that allow analysis, synthesis, and compilation of data from a broad range of disciplines.
• Experience managing vendors.
• Rare disease or liver disease background highly desirable.
Knowledge, Skills and Abilities:
• Have a demonstrated ability to produce clear, concise, and effective written and verbal communications describing scientific and clinical data in English.
• An ability to work in a fast-paced, cohesive, collaborative team-oriented work environment.
• Self-directed and solution oriented.
• Extensive knowledge of FDA and I
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