Platform Engineer: Secure, Scalable Infra for Enterprise AI

Dex; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Dex is seeking a senior Platform/DevOps engineer to architect and operate the enterprise-grade infrastructure underpinning a rapidly expanding AI data platform. You will own the infrastructure roadmap, enabling product engineers to ship quickly while embedding enterprise-grade controls and security across cloud resources.

The role emphasizes Kubernetes clustering, Terraform-based infrastructure, CI/CD automation, observability, and audit readiness for SOC 2/ISO 27001.

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, VPNs, firewalls).
• Experience provisioning and scaling production databases (PostgreSQL, MySQL, NoSQL) and blob storage; strong Python or Bash for automation.
• Direct experience with SOC 2, ISO 27001, or GDPR processes and audit evidence impact awareness.

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 for secure, rapid product development.

Skills

DevOps experience

Kubernetes

Observability

Security & compliance awareness

Automation (Python/Bash)

Cloud-native networking

Tools

Terraform

GitHub Actions

Kubernetes

PostgreSQL

MySQL

NoSQL databases

Python

Job description

Dex is seeking a senior Platform/DevOps engineer to architect and operate the enterprise-grade infrastructure underpinning a rapidly expanding AI data platform. You will own the infrastructure roadmap, enabling product engineers to ship quickly while embedding enterprise-grade controls and security across cloud resources.

The role emphasizes Kubernetes clustering, Terraform-based infrastructure, CI/CD automation, observability, and audit readiness for SOC 2/ISO 27001.