Process Development Senior Principal Scientist

Amgen; Thousand Oaks (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Total Rewards Plan

Stock‑based incentives

Flexible work models

Job summary

Amgen is seeking a Process Development Senior Principal Scientist in Thousand Oaks, CA to lead drug product design, formulation, and process development for biologics and ADCs. You will guide diverse teams through scale‑up, characterization, and regulatory readiness to accelerate commercialization.

The role requires advanced scientific degrees and extensive experience in formulation, fill/finish, analytical methods, and data‑driven decision making, with opportunities to apply AI/ML and

Qualifications

• PhD/PharmD/MD with 2+ years of scientific experience or Master’s with 5+ years of scientific experience.
• Bachelor’s with 7+ years of scientific experience also acceptable.
• Advanced degree in Engineering, Pharmaceutics, Biotechnology, Material Science or related area is preferred.
• 8+ years of experience in pharmaceuticals/biotechnology.
• Experience in formulation and fill/finish process development, tech transfers, and regulatory authoring has value.

Responsibilities

• Lead planning, design, execution, and documentation of laboratory studies related to drug product design, formulation, and process development, and tech transfer.
• Deliver progress reports and presentations to ensure management awareness of status and needs.
• Author and review guideline documents, technical protocols, reports, regulatory submissions.
• Develop and characterize liquid and lyophilized formulations for biologics, emphasizing ADC drug product formulation.
• Lead internal and external technology transfer activities with CMOs/CDMOs.
• Apply machine learning, AI, and data science to predictive modeling and decision‑making.
• Serve as a Drug Product Team Lead to develop strategy for commercialization and lifecycle management.
• Manage engineers and scientists to advance program objectives.
• Work in a matrixed team to drive efficiency and positive collaboration.
• Travel domestically and internationally up to 10%.

Skills

Leadership

AI/ML

Data analysis

Project management

Cross‑functional collaboration

Education

PhD/PharmD/MD + 2 years science experience

Master’s degree + 5 years science experience

Bachelor’s degree + 7 years science experience

Tools

Python

R

MATLAB

SQL

Tableau

Spotfire

D3js

SAS

JMP

Job description

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 Principal Scientist

What You Will Do

Let’s do this. Let’s change the world. In this vital role you will join our Pivotal Drug Product Technologies group in Thousand Oaks, CA. This group supports drug product commercial formulation development as well as formulation/fill/finish process development for Amgen’s Late‑Stage biologics.

The Senior Principal Scientist will provide technical and project leadership while integrating information generated by functionally diverse teams to ensure success through the commercialization process.

The ideal candidate will bring hands‑on experience in ADC drug product formulation and drug product process development, including a mechanistic understanding of linker‑payload attributes, stability/process‑relevant degradation pathways, and analytical strategies used to characterize ADC CQAs. This candidate will integrate formulation, analytical, and process data to guide product design, apply cutting‑edge technologies (including AI/ML), and collaborate cross‑functionally to deliver high‑quality, stable, and manufacturable drug products for development in a fast‑paced environment.

• Lead planning, design, execution, and documentation of laboratory studies related to drug product design, formulation, and process development, and tech transfer
• Deliver progress reports and presentations to ensure management awareness and engagement of the status, progress, and future program and functional needs
• Author and review guideline documents, technical protocols, reports, product impact assessments, regulatory submissions, and developing responses to regulatory questions
• Develop and characterize liquid and lyophilized formulations for biologics, with particular emphasis on ADC drug product formulation, handling, and lab‑scale sterile filling.
• Lead internal and external technology transfer activities, including collaboration with CMOs/CDMOs, process fit assessments, and troubleshooting during manufacturing campaigns.
• Apply machine learning, AI, and data science to predictive modeling, workflow acceleration, and decision‑making.
• Serve as a Drug Product Team Lead of a matrixed team to develop strategy in support of commercialization and life cycle management of Amgen’s pipeline
• Manage team of engineers and scientists to advance program and functional objectives
• Work effectively in a highly matrixed team environment to influence and inspire change, efficiency, and foster positive relationships
• Ability to travel domestically and internationally up to 10% of the time

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
• Master’s degree and 5 years of Scientific experience
• Bachelor’s degree and 7 years of Scientific experience

Preferred Qualifications

• Advanced degree in Engineering, Pharmaceutics, Biotechnology, Material Science or related subject area
• 8+ years of experience in pharmaceuticals/biotechnology
• 5+ years of experience that includes elements of formulation and fill/finish process development, process characterization, technical transfers to manufacturing sites, and statistical design and analysis of experiments, and regulatory authoring
• Proven experience in formulation development, stability testing, and fill/finish operations for biologics; direct ADC drug product formulation experience is strongly preferred.
• Demonstrated understanding of ADC drug product development considerations, including linker‑payload stability, drug‑to‑antibody ratio, free drug or payload degradation, quality attributes, and product/process comparability.
• Experience integrating formulation, stability, and analytical data to advance ADC candidates is highly desirable.
• Strong foundation in analytical and biophysical techniques relevant to ADCs and biologics (e.g., UPLC/HPLC, SEC, IEX, RP‑HPLC, HIC, CE‑SDS, subvisible particle analysis, etc.).
• Technical leader with demonstrated results driving forward programs
• Experience in drug product regulatory strategy, RTQs, and agency engagement
• Knowledge of, and hands‑on experience with, bringing new biotech products to market, across various dosage forms and device delivery systems
• Experience with programming (e.g. Python, R, MATLAB) and database languages (e.g. SQL), as well as data visualization tools (e.g. Tableau, Spotfire, D3js)
• Proficiency in at least one statistical software package (e.g. SAS, JMP or Minitab)
• Experience participating and leading global multi‑functional teams
• Outstanding knowledge of formulation, aseptic processing and manufacturing of biotechnology products, vials, syringes, cartridges, devices, disposables, modeling, and the associated GMP/Device documentation and regulatory filings
• Strong problem solving and effective multi‑functional interpersonal skills
• Willing and able to learn new technologies at a rapid pace

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.

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.

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.