Note: The job is a remote job and is open to candidates in USA. Pfizer is a pharmaceutical and life sciences company seeking an AI/ML Engineer to own the orchestration layer and agent architecture for AI-based workflows. The role focuses on building reliable production agentic systems, integrating prompts and tools, and ensuring monitoring, governance, compliance, and cost control.
Responsibilities
- Own orchestration frameworks and agent architecture for AI-based workflows
- Build and harden agentic workflows for production use
- Design prompt architecture and tool/API integrations across agentic systems
- Translate the Senior Data Scientist's methodology and evaluation criteria into deployed, production-grade agents
- Partner with the Data Engineer to ensure agents consume clean, well-structured data
- Partner with the Senior Data Analyst to ensure agentic workflows meet governance, audit, and compliance requirements
- Implement monitoring, evaluation, and cost controls for LLM-based systems in production
- Document agent architecture, prompt design, and tool integrations to support governance and audit needs
- Proactively identify opportunities to improve workflow reliability, latency, and cost
Skills
- Degree in Computer Science, Software Engineering, Machine Learning, or a related field
- Experience (8+ years with Bachelor's; 7+ years with Master's) in software or ML engineering, notably in the healthcare/pharma sector
- Experience with agentic frameworks (e.g., LangGraph, Pydantic AI, or similar)
- Strong software engineering background, including production system design and testing
- Experience integrating LLM APIs and exposure to MLOps practices (evaluation, monitoring, cost control)
- Effective English verbal and written communication with flexibility to be clear, consistent, compliant, and appropriate for a variety of settings including scientific/technical, regulatory, and business audiences
- Anticipates Customer and Market Needs – Knows the industry and technology landscape; is dedicated to meeting the expectations of internal and external customers; always focused on patient safety first
- Acts Decisively – Makes timely and effective engineering decisions; acts with urgency and removes barriers that hinder productivity
- Builds Change-Agile Systems – Designs agentic systems that are flexible and adaptive to evolving business needs
- Strategic and Innovative Thinking – Demonstrates insightful thinking by developing creative approaches to agentic system design
- Is a role model of Pfizer's values and behaviors
- Drive transformational change
- Engage diverse technical and business stakeholders
- Understand the applications of technology to the Life Science sector
- Candidates must be authorized to be employed in the U.S. by any employer
- This position requires permanent work authorization in the United States
- Healthcare data experience preferred
Benefits
- Eligibility for participation in Pfizer’s Global Performance Plan with a bonus target of 20.0% of the base salary
- Eligibility to participate in Pfizer’s share based long term incentive program
- 401(k) plan with Pfizer Matching Contributions
- Additional Pfizer Retirement Savings Contribution
- Paid vacation, holiday and personal days
- Paid caregiver/parental and medical leave
- Medical, prescription drug, dental and vision coverage
- Hybrid work arrangement requiring 2 to 3 days per week on site
Company Overview