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Sr. Assoc. Scientist, API Development


Job Location:

San Diego, CA - USA

Monthly Salary: $ 35 - 47
Posted: 21 July 2026 (30+ days ago)
Application Deadline: 18 October 2026
Vacancies: 1 Vacancy

Job Summary

Who We Are:

Neurocrine Biosciencesis a leading biopharmaceutical company with a simple purpose: to relieve suffering for people with great needs. We are dedicated to discovering developing and commercializing life-changing treatments for patients with under-addressed neurological psychiatric endocrine and immunological disorders. The companys diverse portfolio includes FDA-approved treatments for tardive dyskinesia chorea associated with Huntingtons disease classic congenital adrenal hyperplasia hyperphagia in Prader-Willi syndrome endometriosis* and uterine fibroids* as well as a robust pipeline including multiple compounds in mid- to late-phase clinical development across our core therapeutic areas. For more than three decades we have applied our unique insight into neuroscience and the interconnections between brain and body systems to treat complex conditions. We relentlessly pursue medicines to ease the burden of debilitating diseases and disorders because you deserve brave science. For more information visit and follow the company onLinkedInX Facebook and YouTube. (*in collaboration with AbbVie)



About the Role:
Supports upstream cell culture process development activities for biologic drug candidates from early development through commercialization by executing well-defined experiments generating high-quality data and contributing to process development studies under the guidance of senior scientists. Develops foundational expertise in mammalian cell culture upstream process development and bioprocess technologies while collaborating with cross-functional teams to support project and platform objectives.

Your Contributions (include but are not limited to):
  • Perform routine cell culture process development experiments using established scientific methods and laboratory procedures under the guidance of senior scientists

  • Execute mammalian cell culture studies to support upstream process development process characterization and technology development activities

  • Generate accurate reproducible experimental data and perform routine data analysis to support project objectives

  • Assist with upstream platform development process scale-up and technology transfer activities

  • Support experimental planning and execution for defined studies while learning principles of experimental design and process development

  • Contribute to routine process optimization and characterization studies under supervision

  • Identify routine experimental issues and communicate observations to senior team members for evaluation and resolution

  • Operate maintain and troubleshoot laboratory equipment including benchtop bioreactors and associated instrumentation

  • Maintain laboratory organization inventory and equipment according to established procedures

  • Document laboratory activities experimental results and observations in accordance with Good Documentation Practices (GDP) and company standards

  • Prepare data summaries technical reports protocols and presentation materials with guidance from senior scientists

  • Collaborate with cross-functional team members to support project deliverables and departmental objectives

  • Follow laboratory safety practices and maintain compliance with company policies procedures and applicable regulations

  • Perform other duties as assigned

Requirements:
  • Bachelors degree in Biology Biochemistry Chemical Engineering Biochemical Engineering or related scientific discipline and 0-2 years of relevant research or industry experience OR

  • Masters degree in Biology Biochemistry Chemical Engineering Biochemical Engineering or related scientific discipline; relevant laboratory or internship experience preferred

  • Foundational knowledge of mammalian cell culture techniques and aseptic laboratory practices

  • Laboratory experience with cell culture bioreactors or related upstream process development techniques gained through academic research internships or industry experience

  • Basic understanding of biological and engineering principles applicable to upstream process development

  • Ability to follow established laboratory procedures and generate accurate reproducible experimental results

  • Ability to perform basic data analysis and communicate experimental findings clearly

  • Demonstrated attention to detail and strong organizational skills

  • Effective written and verbal communication skills

  • Ability to work collaboratively within multidisciplinary teams while receiving guidance from senior scientists

  • Demonstrated curiosity learning agility and willingness to develop new technical skills

  • Ability to manage assigned responsibilities and meet established timelines

  • Familiarity with Microsoft Office suite and standard scientific data analysis software

  • Exposure to cGMP principles statistical analysis high-throughput cell culture technologies or design of experiments (DOE) is desirable but not required

  • Maintains confidentiality of intellectual property and proprietary information

#LI-DM1

Neurocrine Biosciences is an EEO/Disability/Vets employer.

We are committed to building a workplace of belonging respect and empowerment and we recognize there are a variety of ways to meet our requirements. We are looking for the best candidate for the job and encourage you to apply even if your experience or qualifications dont line up to exactly what we have outlined in the job description.

The hourly rate we reasonably expect to pay is $35.35-$47.34. Individual pay decisions depend on various factors such as primary work location complexity and responsibility of role job duties/requirements and relevant experience and addition this position offers an annual bonus with a target of 15% of the earned base salary and eligibility to participate in our equity based long term incentive program. Benefits offered include a retirement savings plan (with company match) paid vacation holiday and personal days paid caregiver/parental and medical leave and health benefits to include medical prescription drug dental and vision coverage in accordance with the terms and conditions of the applicable plans.

Required Experience:

Senior IC


About Company

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Neurocrine Biosciences is dedicated to providing breakthrough treatments for patients in need with rare and under-addressed diseases.

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