Remote Staff Platform Engineer — AI/ML Infrastructure

Pfizer; Bethesda, Northern (MD, KY); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Pfizer is seeking a Staff Platform Engineer for AI/ML infrastructure to lead cloud platform strategy across AWS, Kubernetes, and serverless environments. You will shape architecture, tooling, and reliability practices, partnering with software, security, and operations teams.

The role requires hands-on cloud engineering with staff-level influence, mentoring engineers and guiding multi-team initiatives to raise operational maturity of AI platforms.

Qualifications

• 7+ years of experience in DevOps, platform engineering, cloud infrastructure, SRE, or software engineering.
• Strong hands-on experience with AWS/Azure/GCP infrastructure and services.
• Experience designing and operating production systems on Kubernetes, ECS/Fargate, or comparable container orchestration platforms.
• Proficiency with infrastructure-as-code, especially CloudFormation, Terraform, Helm, or similar tooling.
• Strong CI/CD experience with GitHub Actions or similar platforms, including reusable workflows and automated testing.
• Experience building observability solutions using CloudWatch, Prometheus, Grafana, OpenSearch.
• Strong understanding of cloud security practices, IAM, secrets management, audit logging, and compliance.
• Experience leading technical design, mentoring engineers, and influencing engineering practices across teams.

Responsibilities

• Define and drive the technical strategy for AI/ML platform infrastructure supporting generative AI applications, LLM integrations, model routing, and enterprise AI services.
• Architect, build, and operate scalable cloud platforms using AWS services (EKS, ECS/Fargate, Lambda, DynamoDB, S3, OpenSearch).
• Establish reusable infrastructure patterns using CloudFormation, Helm, and Terraform for multi-environment deployments.
• Lead CI/CD architecture with GitHub Actions, reusable workflows, OIDC-based AWS authentication, quality gates, and approvals.
• Improve observability across AI platforms with CloudWatch, Prometheus/Grafana, OpenSearch, and Langfuse.
• Build platform capabilities for GenAI workloads including model availability monitoring.
• Partner with software engineering to improve deployment reliability, health checks, autoscaling, and performance.
• Define and enforce security and compliance practices for infrastructure (IAM, Secrets Manager, tagging, audit logs).
• Provide leadership for cost optimization, capacity planning, and operational resilience across environments.
• Mentor engineers and influence platform engineering practices across teams.

Skills

DevOps

Platform engineering

AWS

Kubernetes

CI/CD

Observability

Security

Python

Terraform

Education

Bachelor's degree in Computer Science or related field

Tools

CloudFormation

Terraform

Helm

GitHub Actions

Prometheus

Grafana

OpenSearch

Job description

Pfizer is seeking a Staff Platform Engineer for AI/ML infrastructure to lead cloud platform strategy across AWS, Kubernetes, and serverless environments. You will shape architecture, tooling, and reliability practices, partnering with software, security, and operations teams.

The role requires hands-on cloud engineering with staff-level influence, mentoring engineers and guiding multi-team initiatives to raise operational maturity of AI platforms.