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Principal Scientist, Human Factors

Merck
August 29, 2026
Full-time
Remote friendly (Rahway, NJ)
Worldwide
Clinical Research and Development
Role: Principal Scientist leading Human Factors in combination product development, regulatory compliance, and lifecycle management. Responsibilities: manage and mentor Human Factors team applying perceptual, cognitive, and motor skills analysis across product lifecycle; oversee human factors activities including user needs, task analysis, usability testing, risk mitigation, regulatory submissions, and post-market surveillance; collaborate cross-functionally with R&D, regulatory, manufacturing, and safety teams; maintain documentation supporting compliance; stay current with industry and regulatory advancements; support GMP and quality activities. Qualifications: B.A./B.S. in Human Factors, Psychology, Engineering, or related field plus 10 years of relevant experience; strong knowledge of human factors, device regulations, industry standards; leadership and communication skills; adept at working in a regulated environment. HighValue: combination products, medical devices, human factors engineering, regulatory compliance, risk management, post-market activities, industry standards, cross-functional collaboration, travel ~25%, hybrid work setup.