Platform Engineer: Secure, Scalable Infra for AI

Dex; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

Dex is helping place a security-focused Platform Engineer to join a high-growth AI data-integration platform team. You’ll architect and operate the entire platform infrastructure, report to the founders, and build secure, compliant, scalable foundations to power an enterprise product.

Responsibilities include Kubernetes and Terraform, CI/CD with GitHub Actions, observability, security audits readiness (SOC 2, ISO 27001), cloud cost management, and advanced networking.

Qualifications

• 4-7 years of platform, infrastructure, or DevOps experience, with end-to-end ownership in high-growth environments.
• Proven experience designing Terraform modules and platform-level GitHub Actions CI/CD.
• Deep understanding of production observability (logging, metrics, tracing) and advanced networking concepts (VPCs, private networking, DNS, load balancers, VPNs, firewalls).
• Experience provisioning and scaling production databases (PostgreSQL, MySQL, NoSQL) and blob storage, with Python or Bash for automation.
• Direct experience with SOC 2, ISO 27001, or GDPR processes, and understanding audit evidence implications.

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

Kubernetes

Terraform

GitHub Actions

Observability

Security compliance

Cloud platforms

Python

Bash

SOC 2

ISO 27001

GDPR

PostgreSQL

MySQL

NoSQL

Networking

Tools

Terraform modules

GitHub Actions CI/CD

Cloud tooling

Job description

Dex is helping place a security-focused Platform Engineer to join a high-growth AI data-integration platform team. You’ll architect and operate the entire platform infrastructure, report to the founders, and build secure, compliant, scalable foundations to power an enterprise product.

Responsibilities include Kubernetes and Terraform, CI/CD with GitHub Actions, observability, security audits readiness (SOC 2, ISO 27001), cloud cost management, and advanced networking.