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Process Development Senior Scientist

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Process Development Senior Scientist

US - California - Thousand Oaks Apply Now
JOB ID: R-243919 LOCATION: US - California - Thousand Oaks WORK LOCATION TYPE: On Site DATE POSTED: Apr. 30, 2026 CATEGORY: Scientific SALARY RANGE: 126,066.05USD -170,559.95 USD

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 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 work with the Pre-Pivotal Drug Substance Technologies organization at Amgen develops, characterizes, and supports clinical drug substance manufacturing processes for all early-stage programs in the Amgen portfolio.

This lab-based position is located at our Thousand Oaks, CA site. The successful candidate will be responsible for support of the development, characterization, scale-up and support of upstream and downstream purification processes to enable clinical advancement of Amgen programs.

This role is in an integrated bioprocess development group in which cell culture and purification scientists work together to advance Amgen’s rich, exciting and dynamic pipeline. With Amgen’s biology first approach, the position provides the unique opportunity to work on multiple modalities including antibodies, BiTEs, bispecific molecules, conjugations, and others ranging from early molecule assessments with Research to IND enabling GMP manufacturing supplies for clinical studies.

The responsibilities of this candidate will include:

The successful candidate will design and execute experiments at the bench scale, spanning the end-to-end drug substance process, within cell culture and purification operations. The candidate will apply established platform approaches and utilize problem-solving skills to rapidly solve day-to-day experimental challenges. Additionally, the candidate will utilize out-of-the-box thinking to contribute to technology development. Finally, the candidate will also expand and develop skills within the cell-culture and purification functions, thereby further contributing to the integrated group

What we expect of you

We are all different, yet we all use our unique contributions to serve patients. The Scientific professional we seek is an individual with these qualifications.

Basic Qualifications:

Doctorate degree PhD OR PharmD OR MD
OR
Master’s degree and 3 years of Scientific experience
OR
Bachelor’s degree and 5 years of Scientific experience

Preferred Qualifications:

  • Ability to identify, develop and implement solutions to practical problems through application of fundamental scientific and engineering principles, preferably in a process development environment.
  • Advanced understanding of cell culture and or purification techniques such as aseptic techniques, bioreactor production, harvest operations, protein chromatography, TFF, filtration, etc.; hands-on experience with cell culture or purification operations needed.
  • Extensive experience in development and/or support of biomanufacturing processes, including process scale-up and GMP production.
  • Prior experience with data analytical tools (Excel, Spotfire, etc.) is preferred. Experience with statistical analysis and programming in JMP, R, and/or Python environments is a plus.
  • Motivated self-starter with excellent oral and written communication, interpersonal, and organizational skills.
  • Team player with the ability to successfully work within a diverse team in a dynamic, cross-functional environment.
  • Familiarity with design of experiments and statistical analysis of data is desirable.
  • Track record of innovation and implementation of new technologies.
  • Experience in authoring CMC regulatory documents in support of Amgen’s regulatory filings.

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 essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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