Process Development Senior Scientist

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. Amgen is advancing a broad and deep pipeline of medicines to treat cancer, heart disease, inflammatory conditions, rare diseases, and obesity-related conditions. 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.

Process Development Senior Scientist

What you will do

Let’s do this. Let’s change the world. In this vital role you will join our Drug Substance Technologies - Synthetics (DSTS) group at our Thousand Oaks campus. Amgen’s DSTS group within Process Development (PD) is responsible for the invention, development, and implementation of drug substance manufacturing processes and technologies to advance Amgen's exciting portfolio of synthetic and hybrid assets. Process chemists within our team apply their synthetic training to invent synthetic routes and chemical processes to support drug substance manufacturing from early to late-stage development. The successful candidate will be a highly motivated and team-oriented individual with a strong background in organic chemistry with a proven track record of scientific innovation and achievement.

• Invent synthetic routes and develop safe, robust, and cost-effective processes to manufacture synthetic and hybrid drug substances
• Advance enabling technologies to accelerate pharmaceutical development and to improve sustainability and process efficiency
• Support cGMP manufacturing and technology transfer to our internal manufacturing facilities and external contract manufacturers
• Ensure process performance through process understanding, modeling and characterization
• Contribute to drug substance development teams by providing experimental results, technical updates, documentation, data interpretation, recommendations, etc.
• Work cross-functionally to deliver regulatory documents and support regulatory filings
• Serve as a technical expert and keep current in the field of organic and process chemistry
• Work effectively in a multi-disciplinary team of chemists, engineers and attribute scientists
• Work independently in advancing projects and studies within required deadlines

What we expect of you

We are all different, yet we all use our unique contributions to serve patients. The [vital attribute] professional we seek is a [type of person] with these qualifications.

Basic Qualifications:

Doctorate degree in Chemistry completed by  June 2026

OR

Master’s degree in Chemistry and 4 years of industry experience

OR

Bachelor’s degree in Chemistry and 6 years of industry experience

Preferred Qualifications:

• Ph.D. in organic chemistry with a specialization in total synthesis, reaction methodologyand/or mechanistic studies,
• Post-doctoral experience in an academic laboratory or pharmaceutical/biotech industry
• Track record of peer-reviewed publications and research presentations
• Demonstrated ability to work within a dynamic and interdisciplinary environment to achieve results
• Excellent written and verbal communication skills, ability to multitask, effectively plan and follow through on complex projects
• A research summary included with CV is strongly encouraged

What you can expect of us

As we work to develop treatments that take care of others, we also work to care for 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, based on eligibility, comprising of 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, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts
• A discretionary annual bonus program, or for field sales representatives, a sales-based incentive plan
• Stock-based long-term incentives
• Award-winning time-off plans
• Flexible work models where possible. Refer to the Work Location Type in the job posting to see if this applies.

Apply now and make a lasting impact with the Amgen team.

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Application deadline

Amgen does not have an application deadline for this position; we will continue accepting applications until we receive a sufficient number or select a candidate for the position.

Sponsorship

Sponsorship for this role is not guaranteed.

As an organization dedicated to improving the quality of life for people around the world, Amgen fosters an inclusive environment of diverse, ethical, committed and highly accomplished people who respect each other and live the Amgen values to continue advancing science to serve patients. Together, we compete in the fight against serious disease.

Amgen is an Equal Opportunity employer and will consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or any other basis protected by applicable law.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform