PharmSci Agentic and Generative AI Architect

Pfizer • Chesterfield, MO

1d • $139,100 - $231,900 • Hybrid

About The Position

The PharmSci Agentic & Generative AI Architect is a hands‑on technical leader responsible for designing, building, and scaling agentic and generative AI solutions in support of Pharmaceutical Sciences initiatives. This role translates Big Ideas into production‑ready AI systems, applying strong engineering discipline, scalable architecture, and responsible AI practices. The role operates as a senior individual contributor with broad technical influence, partnering closely with scientific and product leads while maintaining accountability for technical design and execution.

Requirements

• Degree in Computer Science, Software Engineering, AI/ML, or equivalent applied experience required and with 6+ years (Bachelor’s), 5+ years (Master’s), or 1+ year (PhD) of relevant experience.
• Significant hands‑on experience building production software and applied AI systems.
• Deep experience with GenAI, RAG architectures, and agentic workflow design.
• Strong programming skills (e.g., Python) and modern AI engineering practices.
• Permanent work authorization in the United States.

Nice To Haves

• Experience operating in regulated or process‑heavy environments.
• Track record of delivering reusable platforms, accelerators, or reference architectures.
• Ability to communicate complex technical concepts clearly to non‑technical partners.
• Candidate demonstrates a breadth of diverse leadership experiences and capabilities including: the ability to influence and collaborate with peers, develop and coach others, oversee and guide the work of other colleagues to achieve meaningful outcomes and create business impact.

Responsibilities

• Design and implement agentic AI systems capable of multi‑step reasoning, tool use, and autonomous task execution.
• Architect enterprise‑grade GenAI solutions, including RAG pipelines, embedding strategies, orchestration layers, and evaluation frameworks.
• Lead PoCs and pilots and scale successful solutions into production‑ready capabilities.
• Establish reusable architectural patterns, reference implementations, and technical standards for GenAI and agentic systems.
• Ensure solutions meet expectations for reliability, observability, performance, and cost effectiveness.
• Integrate AI solutions with existing platforms, data sources, and workflows to support adoption.
• Partner with science and product leads to translate requirements into robust technical designs and delivery milestones.
• Mentor team developers and contribute to raising overall GenAI and agentic AI maturity.
• Embed governance, security, evaluation, and monitoring considerations into solution design and deployment.
• Support sustainable operation through appropriate lifecycle and maintenance practices.

Benefits

• 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution
• paid vacation, holiday and personal days
• paid caregiver/parental and medical leave
• health benefits to include medical, prescription drug, dental and vision coverage
• Relocation assistance may be available based on business needs and/or eligibility.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior