{"id":1523940,"url":"https://alion.io/job/inotiv-sr-scientist","title":"Sr. Scientist","company":{"id":1996801,"name":"Inotiv","domain":"inotiv.com","url":"https://alion.io/company/inotiv","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":12,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Saint Louis, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":80000,"max_usd":152000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":951},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-11T00:00:00Z","employer_posted_date":"2026-09-11","last_verified_at":"2026-10-11T19:07:12Z","board_verified":true,"closed_at":null,"days_open":30,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":30},"description":"Senior Scientist - Bioanalytical Method Development LC-MS/MS\nThe Senior Method Development Scientist will perform method development utilizing contemporary mass spectrometry techniques (LC-MS/MS & HRMS) for large and small molecules (proteins, antibodies, ADCs oligonucleotides, etc.). The senior method development scientist will be a member of the DMPK team and will serve as a subject matter expert for new proposals, evaluating feasibility of LC-MS/MS method development, and troubleshooting challenging methods across a wide variety of species and matrices.\nJoin us in embracing research and science to impact the health and well-being of people all over the world.\nEssential Duties and Responsibilities\nDevelop highly sensitive LC-MS/MS and HRMS methods for large (oligonucleotides, proteins, antibodies, ADCs, biomarkers, etc) and small molecules in biological matrices.\nUtilize and interpret scientific theories, concepts, techniques in bioanalytical and mass spectrometry studies and accepts leadership role in developing novel scientific approaches\nCoordinate, facilitate, and implement intercompany method transfers and implementation of incoming transfers from clients.\nCommunicate project timelines, status, and data to Principal Investigators, Project Management, and clients effectively addressing any issues that may arise.\nAbility to coordinate and execute on multiple projects simultaneously and responsive to unscheduled deadlines and client needs.\nDemonstrate an understanding of Best Practices, SOPs and Good Laboratory Practice Regulations (21 CFR, Part 58) as these relate to study-specific services provided, this job description, and general facility operations.\nTraining and mentoring junior scientists within and across departments\nCollaborate with leadership on long-range planning and strategy for departmental growth\nPerforms other duties as assigned. \nSkills and Abilities\nExperience, skills, and abilities must include knowledge of contemporary bioanalytical techniques, including wet chemistry separations, liquid chromatography, and mass spectrometric analysis (LC-MS/MS, HRMS), instrument operation, maintenance, and data processing. \nProven track record of method development for large and small molecules\nAbility to incorporate software in the maintenance of databases to collate and catalog records and inventory.\nWorking knowledge of laboratory software, system software, and Microsoft applications\nIndependence in the laboratory and data work-up phases of research.\nA working knowledge and awareness of general laboratory procedures.\nGood written and oral communication skills.\nAbility to adhere to all safety regulations and procedures.\nEducation and Experience\nPhD in Organic Chemistry, Biochemistry, Analytical Chemistry or related discipline with 2+ years of industrial bioanalytical experience following Post Doctoral training\nM.Sc. in a discipline previously described with 5+ years direct industrial bioanalytical experience\nCandidates possessing working knowledge of in vitro metabolism/biotransformation, Pharmacokinetic modeling, analysis, interpretation and simulation desirable\nPhysical Activity and Working Conditions\nWork is normally performed in a typical interior office work or laboratory environment\nWork environment involves exposure to potentially dangerous materials and situations that require following extensive safety precautions and may include use of protective equipment\nThe noise level is usually moderate\nThis position will frequently be involved with radiant/electrical energy, solvents, grease, oil, irritants, acids, bases, and other hazardous chemicals, electro-mechanical hazards, flammable materials and bio-hazards. Due to exposure to hazardous biological material (which may include HIV positive specimens), immunization to Hepatitis B and/or other diseases may be a requirement.\nSalary will be commensurate with experience and responsibilities. Benefits include health and dental coverage, short- and long-term disability, paid time off, paid parental leave, 401K participation with company match, and more!\nInotiv is an Equal Opportunity Employer. It is our policy to provide a fair and equal employment opportunity to all persons, regardless of age, race, color, religion, gender, gender identity, sexual orientation, physical or mental disability, national origin, veteran status, or any other basis prohibited by law. This policy governs all aspects of employment, including selection, job assignment, compensation, discipline, termination and access to benefits and training.\n*This position could be offered at different levels for candidates who qualify with a combination of advanced levels of education and/or years of experience. The salary range will adjust along with the level of the role to match the person’s relevant experience and/or education level.\nAt Inotiv, our work helps advance the development of new medicines and therapies that can improve people's lives. As a leading global contract research organization (CRO), we partner with researchers to tackle complex scientific challenges, drive innovation, and help build a healthier, safer world. Bringing together scientists, researchers, technical experts, and business professionals, we provide the expertise and collaboration needed to move research forward. Our people make this work possible, and we value the knowledge, ideas, and contributions each person brings to the team. Whether you are starting your career or bringing years of experience, Inotiv offers opportunities to learn, grow, and play a meaningful role in advancing treatments for patients around the world.\nSalary will be commensurate with experience and responsibilities. Benefits include health and dental coverage, short- and long-term disability, paid time off, paid parental leave, 401K, and more!\nInotiv is an Equal Opportunity Employer. It is our policy to provide a fair and equal employment opportunity to all persons, regardless of age, race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, genetic information, disability, national origin, veteran status, or any other basis prohibited by law. 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