Process Development Senior Associate - Drug Substance Technologies - Synthetics (DSTS)

Company: Amgen
Location: Thousand Oaks
Posted on: February 11, 2026

Job Description:

Join Amgens Mission of Serving Patients At Amgen, if you feel like youre part of something bigger, its because you are. Our shared missionto serve patients living with serious illnessesdrives all that we do. Since 1980, weve helped pioneer the world of biotech in our fight against the worlds 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, youll 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, youll thrive as part of the Amgen team. Join us and transform the lives of patients while transforming your career. Process Development Senior Associate - Drug Substance Technologies - Synthetics (DSTS) What you will do Lets do this! Lets change the world! Amgen is currently seeking a talented Process Development Senior Associate to join our Drug Substance Technologies - Synthetics (DSTS) group. Amgens 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. Senior Associates in our team collaborate with chemists, process engineers, and attribute scientists to support drug substance manufacturing from early to late-stage development. The successful candidate will be a highly motivated and team-oriented individual with prior lab-based research experience in organic chemistry or biochemistry/chemical biology. Key Responsibilities: Work within a drug substance team comprised of chemists, engineers, and attribute scientists to solve technical problems Contribute to the invention of synthetic routes and development of safe, robust, and cost-effective processes to manufacture synthetic and hybrid drug substances Support cGMP manufacturing and technology transfer to our internal manufacturing facilities and external contract manufacturers Support process characterization activities, including process understanding and modeling Contribute to drug substance development teams by providing experimental results, technical updates, documentation, data interpretation, recommendations, etc. Works regularly with a supervisor to advance projects within required deadlines. Work cross-functionally to deliver regulatory documents and support regulatory filings Follows good laboratory documentation practices and standard operating procedures What we expect of you We are all different, yet we all use our unique contributions to serve patients. The dynamic professional we seek is a collaborator with these qualifications. Basic Qualifications: High school diploma / GED and 6 years of Scientific experience OR Associates degree and 4 years of Scientific experience OR Bachelors degree and 2 years of Scientific experience OR Masters degree Preferred Qualifications: M.S. in organic chemistry or biochemistry/chemical biology with a specialization in synthetic/conjugation chemistry, synthetic methodology, total synthesis, peptide/protein chemistry, or oligonucleotide chemistry Prior experience with ADC development, bioconjugation, or related modalities Proficiency in analytical characterization techniques such as Hydrophobic Interaction Chromatography (HIC)-HPLC, Size Exclusion Chromatography (SEC), Liquid ChromatographyMass Spectrometry (LC-MS), Ion-Exchange (IEX), and Reversed Phase (RP)-HPLC. Experience working in pharmaceutical industry with expertise in synthetic peptide, oligonucleotide, and/or antibody drug conjugate process development Demonstrated ability to work in a chemistry laboratory with minimal supervision Ability to independently collect and interpret analytical results (NMR, HPLC, MS, IR, Raman, etc) Excellent written and verbal communication skills, ability to multitask, effectively plan and follow through on projects Experience working in cross-functional or matrixed teams 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, well 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. 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. 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.

Keywords: Amgen, Rowland Heights , Process Development Senior Associate - Drug Substance Technologies - Synthetics (DSTS), Science, Research & Development , Thousand Oaks, California