Who We Are

BioMarin is a global biotechnology company that relentlessly pursues bold science to translate genetic discoveries into new medicines that advance the future of human health.

Since our founding in 1997, we have applied our scientific expertise in understanding the underlying causes of genetic conditions to create transformative medicines, using a number of treatment modalities.

Using our unparalleled expertise in genetics and molecular biology, we develop medicines for patients with significant unmet medical need. We enlist the best of the best – people with the right technical expertise and a relentless drive to solve real problems – and create an environment that empowers our teams to pursue bold, innovative science. With this distinctive approach to drug discovery, we’ve produced a diverse pipeline of commercial, clinical and preclinical candidates that have well-understood biology and provide an opportunity to be first-to-market or offer a substantial benefit over existing therapeutic options.

About Corporate Groups

It takes a village, and at BioMarin our corporate groups are the people behind our success. Groups such as IT, Finance, Legal, Global Compliance & Ethics, and our People Team provide foundational support of all areas of operation at BioMarin.

CONTRACT: **This position is two days per week (16 hrs.). One day in San Rafael and one day offsite. The one day onsite can be any day from Monday to Thursday. Worker can pick which day they want to work onsite***

Senior Executive Assistant – Part Time

We are seeking an exceptional Senior Executive Assistant to support the external government affairs team. This opportunity requires a polished professional who thrives in a fast-paced, dynamic environment.
More than an administrative partner, the Senior Executive Assistant will serve as a trusted extension of this externally-facing team—anticipating needs, taking initiative, and creating leverage.

What You’ll Do
• Orchestrate complex scheduling, travel, communications, and offsite preparation with accuracy, and efficiency.
• Serve as a trusted liaison of external partners
• Partner in building and sustaining positive environment by supporting offsites, events, and initiatives that strengthen engagement.
• Leveraging digital tools—including emerging technologies like AI—to drive efficiency and unlock new ways of working.
• Draft, review, and refine executive-level communications, presentations, and reports with clarity, accuracy, and professional polish.
• Handle budgeting of group, including management of ARIBA contracts, PO generation, and invoicing.
• Prepare federally required reports.
What You Bring
• 10+ years of experience supporting C-suite or senior executives in complex, global, or high-growth organizations.
• A reputation for being proactive, kind, and highly attuned to anticipating the needs of executives.
• Demonstrated success managing senior leadership teams.
• Exceptional organizational skills with the ability to manage multiple, shifting priorities in high-pressure environments.
• Superior written and verbal communication skills, with executive-level polish.
• Strong problem-solving ability and creativity in approaching challenges.
• Proven fluency with modern digital tools and platforms; comfort guiding others in navigating emerging technologies.
Work Hours/Location: This is a part-time onsite/remote role based at BioMarin HQ in San Rafael, CA. You will typically work onsite two days, and remote work offered as appropriate – for example, when team is traveling, which can be often.


Note: This description is not intended to be all-inclusive, or a limitation of the duties of the position. It is intended to describe the general nature of the job that may include other duties as assumed or assigned.

Equal Opportunity Employer/Veterans/Disabled

An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

In the U.S, the salary range for this position is $ 31 to $ 50 per hour. The base pay actually offered will take into account internal equity, and may also vary depending on candidate’s geographic region, job-related knowledge, skills, and experience amongst other factors. The salary range for this position is: $31 to $50. BioMarin considers a variety of factors when determining base compensation, including experience, qualifications, and geographic location. These considerations mean actual compensation will vary. This position may also be eligible for a discretionary annual bonus, discretionary stock-based long-term incentives (eligibility may vary based on role), paid time off, and a benefits package. Benefits include company-sponsored medical, dental, vision, and life insurance plans.

For additional benefits information, visit: https://careers.biomarin.com/benefits.

• Eligible employees may participate in benefit plans, subject to the terms and conditions of the applicable plans.