The Quantitative, Translational & ADME Sciences (QTAS) Department at AbbVie, Inc. in North Chicago, IL is seeking a Scientist I to join the Non-Regulated Bioanalysis group. This role supports high-throughput processing of samples from biological matrices and LC-MS/MS-based bioanalysis. The ideal candidate will have experience in bioanalytical sample preparation using a range of extraction techniques, operational workflows, data analysis, review, and reporting. This position is well suited for a detail-oriented, motivated scientist who thrives in a fast-paced, collaborative environment and is committed to delivering high-quality results across multiple projects under tight deadlines. The role also involves partnering with cross-functional teams to align bioanalytical processes with scientific and business needs. Key Responsibilities 3 Support LC-MS/MS-based PK/PD, efficacy, and exploratory toxicology bioanalytical studies3 Conduct and optimize sample extraction using protein precipitation, liquid/liquid extraction, or solid-phase extraction methods3 Operate and troubleshoot robotic systems (Hamilton, Tecan) and LC-MS/MS platforms (Leap/CTC PAL autosamplers, Agilent HPLCs, Sciex 5500/6500 triple quadrupole mass spectrometers) and software such as Discovery Quant, Analyst, Sciex OS, and MassHunter3 Troubleshoot pre-analytical and bioanalytical issues3 Maintain accurate documentation of work, including LIMS records, electronic notebooks, test methods, and protocols3 Collaborate with teams across Discovery and QTAS to support bioanalysis3 Train and mentor junior scientists as needed Qualifications 3 Bachelors degree with 5 years of experience, or Masters degree with 2 years of experience, in Chemistry, Analytical Chemistry, or a related field3 Hands-on experience in bioanalysis of small molecules, peptides, and large molecules in the pharmaceutical industry, including sample preparation and method development3 Strong interpersonal skills with the ability to work independently and collaboratively in a high-throughput setting3 Experience operating automated liquid handling robotic platforms such as Hamilton or equivalent systems3 Experience operating CTC-PAL and Agilent liquid chromatography instruments, as well as LC-MS/MS platforms such as AB Sciex triple quadrupole mass spectrometers or equivalent systems3 Experience with electronic laboratory notebook software and Laboratory Information Management Systems (LIMS)3 Strong instrument and assay troubleshooting skills3 Experience with process development or optimization preferred Additional Information Applicable only to applicants applying to a position in any location with pay disclosure requirements under state or local law: 3 The compensation range described below is the range of possible base pay compensation that the Company believes in good faith it will pay for this roleat the time of this posting based on the job grade for this position. Individual compensation paid within this range will depend on manyfactors including geographic location, and we may ultimately pay more or less than the posted range. This range may be modified in the future.3 We offer a comprehensive package of benefits including paid time off (vacation, holidays, sick), medical/dental/vision insurance and 401(k) to eligible employees.3 This job is eligible to participate in our short-term incentive programs. Note: No amount of pay is considered to be wages or compensation until such amount isearned, vested, and determinable. The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that areallocable to a particular employee remains in the Companys sole and absolute discretion unless and until paid and may be modified at the Companys sole and absolutediscretion, consistent with applicable law.