Senior Platform Engineer — AI & Agentic Infra

Pfizer Inc.

Tadworth

On-site

GBP 90,000 - 140,000

Full time

3 days ago

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Job summary

Pfizer Inc. is seeking a Staff Platform Engineer to deliver infrastructure and delivery outcomes across AI & Agentic AI Platform hosting platforms.

You implement the technical vision for foundational platform services that enable multi-cloud hosting and operations, including AI-driven workflows. You build scalable, secure, and compliant infrastructure while partnering with cross-functional teams to accelerate innovation and operational excellence.

Qualifications

Strong experience in platform engineering, DevOps, and cloud-native infrastructure.
Deep expertise in Kubernetes, container orchestration, and IaC (Terraform).
Proven experience with multi-cloud architecture (AWS, Azure, GCP) and GitOps workflows (Argo CD).
Strong background in CI/CD pipeline design, observability, and security/compliance frameworks.
Bachelor's or master's degree in computer science, Engineering, or related technical field.

Responsibilities

Build reusable modules and templates for environment provisioning in AWS and Azure.
Operate CI/CD pipelines that standardize build, test, and deploy flows with auditable delivery.
Automate onboarding and environment setup to minimize manual effort for application teams.
Deliver runbooks, incident response guides, and self-healing automation for critical services.
Contribute to platform architecture for shared hosting and delivery pipelines across multiple clouds.
Design and implement multi-cloud infrastructure patterns using Infrastructure as Code and GitOps.
Drive Kubernetes orchestration, autoscaling, and workload isolation for web, worker, and data services.
Help refine standards for observability, security, and compliance aligned to regulated environments.