Associate Principal Scientist, Respiratory Discovery

Job Description Within the Cardiometabolic Disease Discovery Biology organization, we are advancing innovative therapies for respiratory diseases, including COPD, bronchiectasis, and pulmonary vascular disease, to address significant unmet medical needs. We are seeking an Associate Principal Scientist with strong expertise in respiratory biology and translational research to contribute to target discovery, validation, and translational biology strategy across the respiratory portfolio. This role is suited for a highly independent scientist who can design and execute complex studies, generate high-quality scientific insights, and contribute effectively to cross-functional project teams within a matrixed drug discovery environment.m Key Responsibilities: Contribute to target discovery and validation efforts across respiratory programs by integrating disease biology with translational insight Independently design, execute, and interpret complex in vitro and ex vivo studies aligned with program goals Develop and apply human-relevant model systems (e.g., primary airway epithelial cells, organoids, immune-stromal co-cultures, and lung tissue assays) Generate, integrate, and critically evaluate diverse datasets to inform mechanism of action, target validation, and project decisions Contribute to translational strategies, including biomarker plans, target engagement approaches, and disease-relevant endpoints Serve as an active member of cross-functional project teams, contributing scientific insight and supporting milestone delivery Collaborate with pharmacology, DMPK, biomarker, and translational partners to align preclinical biology activities with program objectives Synthesize complex data and communicate insights, risks, and recommendations clearly to project teams and leadership Maintain awareness of emerging science and technologies relevant to respiratory therapeutics Share expertise with colleagues and contribute to a culture of scientific rigor, collaboration, and continuous learning Contribute to external collaborations, as needed, and support scientific interactions with key partners QUALIFICATIONS: Education: Bachelor's (with 12+ years), Master's (with 8+ years) or Ph.D. (with 5+ years) in biology, pharmacology, physiology or a related scientific discipline and relevant preclinical and drug discovery experience Required Experience and Skills: Strong expertise in respiratory biology and mechanism-based research Proven ability to design hypothesis‑driven studies, analyze complex datasets, and contribute to scientific decision-making Demonstrated experience contributing to discovery-stage programs Ability to operate effectively within cross-functional, matrixed teams Strong written and verbal communication skills, with the ability to convey complex scientific concepts to diverse audiences Preferred Experience and Skills: Deep knowledge of respiratory diseases, such as COPD, bronchiectasis and pulmonary vascular disease) Hands‑on experience with human‑relevant experimental systems (e.g., primary airway epithelial cells, immune cells, fibroblasts, organoids, lung tissue models) Experience with disease-relevant assays (e.g., inflammation, barrier function, mucociliary clearance, fibrosis/remodeling) Understanding of translational research concepts, including target engagement, biomarker strategy, patient stratification, and PK/PD relationships Experience in an industry drug discovery setting Exposure to translational and biomarker-driven program strategies Experience collaborating across disciplines and contributing to cross-functional scientific discussions Familiarity with emerging technologies and approaches in respiratory and translational biology #EligibleforERP Required Skills: Drug Target Identification, Ex Vivo, In Vitro Studies, Program Leadership, Pulmonary Disorders, Respiratory Diseases Prevention, Respiratory Diseases Treatment, Respiratory Pharmacology, Target Validation Preferred Skills: Current Employees apply HERE Current Contingent Workers apply HERE 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 if you need an accommodation during the application or hiring process. As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics. As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit: EEOC Know Your Rights EEOC GINA Supplement We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills 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 The salary range for this role is $159,600.00 - $251,200.00 This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee’s position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs. The successful candidate will be eligible for annual bonus and long-term incentive, if applicable. We offer a comprehensive package of benefits. Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at You can apply for this role through (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting. 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: 1st - Day Valid Driving License: No Hazardous Material(s): N/A Job Posting End Date: 06/30/2026 *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. Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.