Platform Engineer: Secure, Scalable Infra for AI

Dex; Greater London; On-site; GBP 110,000 - 170,000; Full time

Job summary

Dex is seeking a Senior Platform Infrastructure professional to architect and operate the core infrastructure for a rapidly expanding AI data-integration platform. You will own the infrastructure roadmap, enabling product engineers to ship faster while embedding enterprise-grade controls from day one.

You will lead design and implementation of secure, scalable cloud resources, pipelines, and observability, working with a small high-impact team reporting to the founders.

Qualifications

• 4-7 years in platform, infrastructure, or DevOps with end-to-end ownership.
• Experience designing Terraform modules and platform-level GitHub Actions CI/CD.
• Deep observability experience (logging, metrics, tracing) and advanced networking.
• Experience provisioning and scaling production databases (PostgreSQL, MySQL, NoSQL) and blob storage; Python or Bash for automation.
• Experience with SOC 2, ISO 27001, or GDPR processes and audit evidence.

Responsibilities

• Architect and operate Kubernetes clusters and Terraform-managed cloud resources.
• Design and implement platform-level CI/CD pipelines using GitHub Actions for backend, frontend, and data services.
• Drive product-wide observability (logging, metrics, tracing) and on-call processes.
• Prepare infrastructure for critical security audits (SOC 2, ISO 27001) and manage cloud costs.
• Build robust guardrails and advanced networking solutions (VPCs, VPNs, firewalls) for secure, rapid product development.

Skills

Observability

Networking

Python

Bash

Tools

Kubernetes

Terraform

GitHub Actions

Job description

Dex is seeking a Senior Platform Infrastructure professional to architect and operate the core infrastructure for a rapidly expanding AI data-integration platform. You will own the infrastructure roadmap, enabling product engineers to ship faster while embedding enterprise-grade controls from day one.

You will lead design and implementation of secure, scalable cloud resources, pipelines, and observability, working with a small high-impact team reporting to the founders.