Process Development Principal Scientist

US - California - Thousand Oaks

JOB ID: R-250826 LOCATION: US - California - Thousand Oaks WORK LOCATION TYPE: On Site DATE POSTED: Jul. 24, 2026 CATEGORY: Operations SALARY RANGE: 141,836.95USD -191,897.05 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 Principal Scientist

What you will do

Let’s do this. Let’s change the world. In this vital role you will head the research and development efforts related to manufacturing processes. They design, conduct, and interpret experimental studies and develop novel methodologies to improve efficiency and quality.

Serves as the Attribute Sciences Representative on cross-functional project teams and collaborates effectively with scientists across multidisciplinary teams.

Leads and drives the analytical assessment of a Pre-pivotal candidate biotherapeutic through development.

Designs experiments to build a fundamental understanding of therapeutic protein attributes and stability characteristics.

Applies advanced technical expertise in analytical methods to characterize protein therapeutics, including CE, SEC, IEX, RP, HILIC, and mass spectrometry, with strong understanding of the theoretical and practical aspects of stability-indicating assays, including design, performance, and data interpretation.

Evaluates analytical method performance and reliability, including the impact of proposed method changes.

Demonstrates deep understanding of product quality attributes, analytical approaches used to measure them, and strategies to ensure appropriate control.

Supports drug substance and drug product process development, protein characterization, analytical data generation for regulatory submissions, and technology transfer activities.

Authors regulatory documents and applies understanding of regulatory expectations for analytical methods, control strategies, stability strategies, and comparability.

Stays current in the field and evaluates emerging analytical technologies.

What we expect of you

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

Basic Qualifications:

Doctorate degree PhD OR PharmD OR MD and 2 years of Scientific experience

OR

Master’s degree and 5 years of Scientific experience

OR

Bachelor’s degree and 7 years of Scientific experience

Preferred Qualifications:

Ph.D. in a relevant scientific field, such as Organic Chemistry, Physical Chemistry, Chemical Engineering, Materials Science, or Pharmaceutical Sciences.

Strong scientific foundation with deep understanding of organic molecules and their assemblies.

Strong scientific acumen in organic chemistry, physical chemistry, solid-state chemistry, and the physicochemical properties of small molecules.

Pharmaceutical industry experience, preferably with oral solid dosage forms.

Proficiency with characterization techniques, including XRPD, DSC, TGA, SEM, and related methods.

Knowledge of patent application processes and related legal frameworks is advantageous.

Proven experience in authoring relevant sections for market applications and responding to questions from the agency.

Experience mentoring and developing team members.

Comprehensive understanding of unit operations used to manufacture oral solid dosage forms.

Ability to design, execute, and complete independent formulation research.

Demonstrated record of scientific publication and research dissemination.

Proven ability to collaborate effectively across cross-functional teams.

Exceptional technical writing skills with strong attention to detail.

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.

and make a lasting impact with the Amgen team.

careers.amgen.com

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

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.

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.