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Pfizer is building an AI-first R&D engine—one where AI is not a support function, but a core scientific capability shaping how medicines are discovered, developed, and delivered. We are recruiting AI Engineers to be embedded into the various scientific disciplines of R&D including, Target Discovery, Medicinal and Biomedicine Design, ADME (Absorption, Distribution, Metabolism, Excretion), Translational & Genomics Medicine, Pharmaceutical Sciences, Preclinical Toxicology, Clinical Trial Design & Execution, Medical Functions, Real World Experience, Global Regulatory functions, Safety and Pharmacovigilance. You will help drive the discovery and development of Pfizer’s next generation of breakthrough medicines. These roles will be hired across the R&D organization- Preclinical & Translational Sciences, Inflammation & Immunology and Clinical Development Operations.
Job Responsibility:
Build AI that directly shapes R&D decisions
Own foundational and predictive modeling end-to-end
Advance generative AI for drug design
Engineer elegant, reliable ML systems
Decode high-dimensional biology
Influence portfolio and strategy decisions
Stay at the frontier
Raise AI fluency across the organization
Represent the science externally
Requirements:
PhD or Master’s in Computer Science, Machine Learning, Computational Biology, Software Engineering, AI, or a related discipline
2–5 years of applied AI/ML experience
Experience in life sciences preferred, but not required (pharma, biotech, or health tech)
A working understanding of R&D workflows is preferred but not required, across target identification, lead optimization, translational science, clinical design, operations forecasting, or portfolio analytics
Comfort operating across disciplines—chemistry, biology, pharmacology, statistics—with the ability to ground models in biological and clinical reality
Demonstrated expertise in predictive modeling, generative AI, and ML system design
Strong programming skills in Python and modern ML frameworks (e.g., PyTorch, TensorFlow), plus experience scaling models in cloud and/or HPC environments
Proven ability to collaborate with other scientists, and could include laboratory bench researchers, clinicians, product teams, and business leaders
Clear scientific communication, intellectual curiosity, and a mission-driven mindset focused on improving patient outcomes
Nice to have:
Experience in life sciences (pharma, biotech, or health tech)
A working understanding of R&D workflows across target identification, lead optimization, translational science, clinical design, operations forecasting, or portfolio analytics
What we offer:
Relocation assistance may be available based on business needs and/or eligibility