Senior Associate – Analytical Chemistry

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Join Amgen’s Mission of Serving Patients
At Amgen, if you feel like you’re part of something bigger, it’s because you are. Our shared mission—to serve patients living with serious illnesses—drives all that we do.
Since 1980, we’ve helped pioneer the world of biotech in our fight against the world’s toughest diseases. With our focus on four therapeutic areas—Oncology, Inflammation, General Medicine, and Rare Disease—we reach millions of patients each year. As a member of the Amgen team, you’ll help make a lasting impact on the lives of patients as we research, manufacture, and deliver innovative medicines to help people live longer, fuller, happier lives.
Our award‑winning culture is collaborative, innovative, and science based. If you have a passion for challenges and the opportunities that lay within them, you’ll thrive as part of the Amgen team. Join us and transform the lives of patients while transforming your career.

Amgen is seeking a highly motivated separations scientist for its Discovery Analytical Chemistry group to work in our state‑of‑the‑art research and development facility in Thousand Oaks, CA. The successful candidate will help discover the medicines of tomorrow through the development and use of chromatographic methods for the analysis and purification of small molecules. In this vital role you will utilize a broad range of chromatographic instruments and technologies, including but not limited to HPLC, HPLC‑MS, SFC‑MS, mass‑directed purification, and preparative SFC.

The successful candidate will support medicinal chemistry and discovery research by performing analytical characterization and purification of small molecules, while also contributing to continuous improvement efforts focused on process efficiency, assay expansion, and laboratory capabilities. This is an excellent opportunity to work with a collaborative team of scientists using state‑of‑the‑art instrumentation in a newly redesigned laboratory environment, while developing technical expertise in pharmaceutical R&D.

We are all different, yet we all use our unique contributions to serve patients. The dynamic professional we seek is a go‑getter with these qualifications.

• Master's degree in Chemistry or related field
• Bachelor’s degree in Chemistry or related field and 2 years of directly related experience
• Associate’s degree in Chemistry or related field and 4 years of directly related experience
• High school diploma / GED and 6 years of directly related experience

• Degree in Organic Chemistry, Analytical Chemistry, or related discipline
• Hands‑on experience with chromatographic techniques, including HPLC and LC/MS; exposure to analytical or preparative SFC is a plus
• Experience with small‑molecule analysis and purification in a pharmaceutical or biotechnology research environment
• Strong attention to detail and problem‑solving skills
• Effective written and verbal communication skills
• Ability to work independently while contributing effectively in a team‑based research setting

We support your professional and personal growth and well‑being. From our competitive benefits to our collaborative culture, we’ll support your journey every step of the way. The expected annual salary range for this role in the U.S. (excluding Puerto Rico) is posted. Actual salary will vary based on several factors including but not limited to relevant skills, experience, and qualifications. In addition to the base salary, Amgen offers a Total Rewards Plan, comprising health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include a comprehensive employee benefits package, a discretionary annual bonus program, stock‑based long‑term incentives, award‑winning time‑off plans, and flexible work models where possible.

Final date to receive applications:
Amgen does not have an Final…