**Job Description** **SUMMARY OF JOB:** + Develops, optimizes, and validates bioanalytical assays to measure drug levels and immunogenicity activities (when applicable) in biological matrices, by utilizing ligand binding assay and/or chromatographic tandem mass spectrometric assay platforms, in support of nonclinical and clinical sample testing + Applies technical and departmental knowledge to assist in experiment design + Develops into a technical expert and scientific contributor **PRIMARY ACTIVITIES AND RESPONSIBILITIES:** + Conducts bioanalytical work to a high degree of quality and rigor, ensuring compliance with regulatory guidelines + Perform immunogenicity assay development, qualification/validation and sample analysis, in support of preclinical and clinical studies + Develops regulated bioanalytical methods for the quantitation of therapeutic drug candidates using ligand binding assay and/or LC-MS/MS based platforms + Generates quality data in support of preclinical and clinical studies + Communicates results effectively in presentations to stakeholders in partner organizations or at external scientific meetings, and participate on cross-functional teams + Contributes to authoring of method development reports, test methods, qualification and validation reports, and study reports + A team player with excellent oral and written communication skills as evidenced by scientific publications and presentations at scientific meetings. + Familiarity with the basic principles of regulated bioanalysis and Good Laboratory Practice + Experience supporting the bioanalysis of different biotherapeutic modalities **BACKGROUND REQUIREMENTS:** + Degree in Chemistry, Molecular Biology, Immunology, Cell Biology, Biology, Biochemistry, Analytical Chemistry or a related Biological Sciences discipline + BA/BS with at least 7 years, MS with 3 years, or Ph.D. with hands-on experience in a related field. Current Employees apply HERE (https://wd5.myworkday.com/msd/d/task/1422$6687.htmld) Current Contingent Workers apply HERE (https://wd5.myworkday.com/msd/d/task/1422$4020.htmld) **US and Puerto Rico Residents Only:** Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here (https://survey.sogosurvey.com/r/aCdfqL) if you need an accommodation during the application or hiring process. We are an Equal Opportunity Employer, committed to fostering an inclusive and diverse workplace. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability status, or other applicable legally protected characteristics. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit: EEOC Know Your Rights (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf) EEOC GINA Supplement​ Pay Transparency Nondiscrimination (https://www.dol.gov/sites/dolgov/files/OFCCP/pdf/pay-transp\_%20English\_formattedESQA508c.pdf) We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively. Learn more about your rights, including under California, Colorado and other US State Acts (https://www.msdprivacy.com/us/en/CCPA-notice/) **U.S. Hybrid Work Model** Effective September 5, 2023, employees in office-based positions in the U.S. will be working a Hybrid work consisting of three total days on-site per week, Monday - Thursday, although the specific days may vary by site or organization, with Friday designated as a remote-working day, unless business critical tasks require an on-site presence.This Hybrid work model does not apply to, and daily in-person attendance is required for, field-based positions; facility-based, manufacturing-based, or research-based positions where the work to be performed is located at a Company site; positions covered by a collective-bargaining agreement (unless the agreement provides for hybrid work); or any other position for which the Company has determined the job requirements cannot be reasonably met working remotely. Please note, this Hybrid work model guidance also does not apply to roles that have been designated as “remote”. **San Francisco Residents Only:** We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance **Los Angeles Residents Only:** We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance **Search Firm Representatives Please Read Carefully** Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails. **Employee Status:** Regular **Relocation:** Domestic/International **VISA Sponsorship:** Yes **Travel Requirements:** 10% **Flexible Work Arrangements:** Not Applicable **Shift:** Not Indicated **Valid Driving License:** No **Hazardous Material(s):** N/A **Job Posting End Date:** 02/20/2025 ***A job posting is effective until 11:59:59PM on the day** **BEFORE** **the listed job posting end date. Please ensure you apply to a job posting no later than the day** **BEFORE** **the job posting end date.** **Requisition ID:** R335894