Senior AI Systems Engineer for Scientific Discovery

Pfizer Belgium; Bothell (WA); Hybrid; USD 106,000 - 177,000; Full time

Benefits offered by this job

401(k) plan with matching

Comprehensive health benefits

Relocation assistance

Paid time off & holidays

Job summary

Pfizer is seeking a Senior AI Research Engineer to design, build, and deploy production-grade AI systems that empower scientists across discovery and development. You will own end-to-end capabilities from architecture to deployment, collaborating with AI scientists, data engineers, and platform teams to deliver robust, scalable solutions.

This hybrid U.S. role requires strong engineering fundamentals and the ability to operate at the intersection of science, technology and business impact.

Qualifications

• PhD or equivalent with proven software/machine learning delivery
• Master's with 2+ years relevant experience or Bachelor's with 4+ years relevant experience
• Strong software engineering foundations and practical delivery experience

Responsibilities

• Design, develop, and deploy production-grade AI systems
• Translate scientific and business needs into technical solutions
• Lead architecture, implementation, testing, deployment, monitoring, and improvement for your area of ownership
• Drive projects from concept through production and operational support
• Collaborate with AI scientists, platform teams, and data engineers

Skills

Python

ML frameworks

Software architecture

APIs & testing

CI/CD & deployment

Education

PhD in CS/CE/EE/Applied Math or related field

Master's degree with 2+ years of relevant experience

Bachelor's degree with 4+ years of relevant experience

Job description

Pfizer is seeking a Senior AI Research Engineer to design, build, and deploy production-grade AI systems that empower scientists across discovery and development. You will own end-to-end capabilities from architecture to deployment, collaborating with AI scientists, data engineers, and platform teams to deliver robust, scalable solutions.

This hybrid U.S. role requires strong engineering fundamentals and the ability to operate at the intersection of science, technology and business impact.