Who We Are: Neurocrine Biosciences is 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 company's diverse portfolio includes FDA-approved treatments for tardive dyskinesia, chorea associated with Huntington's 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 neurocrine.com, and follow the company on LinkedIn, X, Facebook and YouTube. (*in collaboration with AbbVie) About the Role: We are seeking a Scientist in Large Molecule Bioanalysis to support preclinical development of peptides, antibodies, proteins, ADCs, and other protein conjugates. The role will primarily involve hands-on development and application of hybrid LC-MS/MS and LC-HRMS methods for quantitative bioanalysis and biotransformation assessment. _ Your Contributions (include, but are not limited to): Develop and apply hybrid LC-MS/MS and LC-HRMS methods for peptide and protein quantitation in biological matrices Develop, optimize, and apply hybrid LC-MS/MS and LC-HRMS methods for peptide and protein quantitation in biological matrices Support bioanalysis of samples from preclinical PK/TK and other nonclinical studies Perform immunoprecipitation/immunoaffinity enrichment, protein digestion, and surrogate peptide quantitation Perform intact protein analysis, peptide mapping, and bottom-up LC-HRMS analysis Support biotransformation assessment of ADCs and protein conjugates using hybrid LC-HRMS Analyze, document, and communicate experimental results and contribute to method improvements Requirements: BS in Analytical Chemistry, Biochemistry, Pharmaceutical Sciences, or related field with 2+ years of relevant experience in bioanalysis or MS with some industry experience preferred Hands-on experience with LC-MS analysis of proteins or peptides in plasma, serum, tissue, or other biological matrices Experience with hybrid LC-MS, immunoaffinity workflows, protein digestion, and high-resolution MS Experience with peptide/protein quantitation and bioanalytical method development Experience supporting preclinical bioanalysis and/or GLP method transfer is preferred Familiarity with Skyline, Analyst, TraceFinder, Chromeleon, or BioPharma Finder is beneficial #LI-LS1 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 don’t line up to exactly what we have outlined in the job description. _ The annual base salary we reasonably expect to pay is $89,800.00-$123,000.00. Individual pay decisions depend on various factors, such as primary work location, complexity and responsibility of role, job duties/requirements, and relevant experience and skills. In addition, this position offers an annual bonus with a target of 20% 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. We are a top place to work. Neurocrine Biosciences was named one of the FORTUNE Best Workplaces in Biopharma™ 2026. We were also named a Great Place to Work® Certified company. © 2026 © 2025 Fortune Media IP Limited. All rights reserved. Used under license. OUR VALUES: PASSION: We are driven and love what we do. We are committed to our goals and to making a difference. INTEGRITY: We do the right thing for patients and our community. We take accountability. We speak up. COLLABORATION: We trust one another. We are inclusive. We are respectful. We are transparent. Together we succeed. INNOVATION: We seek and create optimal solutions. TENACITY: We do not quit. We adapt. We accomplish what others cannot. Come join our team during this exciting time of growth and opportunities!

Scientist I, Large Molecule Bioanalysis LC-MS.

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