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Director of AI Engineering

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Pfizer

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Location:
United States; Greece , Cambridge

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

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

Additional Information:

Job Posted:
February 20, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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