Hybrid Director of AI Engineering

at Pfizer

• Job title: Director of AI Engineering
• Job type: Full Time
• Experience level: Lead
• Salary: Not specified
• Degree requirement: Postgraduate Degree
• Tech skills: Python, PyTorch, Tensorflow
• Location requirements: Hybrid, United States

About the role

• Director of AI Engineering developing AI systems for drug discovery at Pfizer. Collaborating with scientists to leverage AI in transforming R&D through innovative medicines and therapies.

Responsibilities

• Build AI that directly shapes R&D decisions
• Design, develop, and scale production-grade AI systems in drug discovery and development programs
• Own foundational and predictive modeling end-to-end
• Advance generative AI for drug design
• Engineer elegant, reliable ML systems
• Automate and standardize the entire lifecycle of ML systems
• Decode high-dimensional biology
• Influence portfolio and strategy decisions
• Stay at the frontier of emerging AI methods
• 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.
• Comfort operating across disciplines—chemistry, biology, pharmacology, statistics.
• Demonstrated expertise in predictive modeling, generative AI, and ML system design.
• Strong programming skills in Python and modern ML frameworks (e.g., PyTorch, TensorFlow).
• Proven ability to collaborate with other scientists.

Benefits

• Health insurance
• Retirement plans
• Paid time off
• Flexible work arrangements
• Professional development