Principal Platform Engineer — AI-Driven Cloud & SRE

Trayport; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Trayport is hiring a Principal Platform Engineer to be a senior technical anchor in our Platform/Operations function. This 70% hands-on role designs, builds, and operates the infrastructure that keeps our global trading platform running, while mentoring the wider team.

In addition to cloud engineering, you’ll lead AI adoption within operations, driving incident response automation and reducing toil, while also shaping the reliability and SRE practices across the department.

Qualifications

• Background in Operations or SRE running highly available, redundant production platforms.
• Deep hands-on experience with AWS (VPC design, networking, EKS) and Azure (AKS, Key Vault, networking).
• Strong Networking fundamentals: TCP/IP, routing, firewalls, load balancing, hybrid connectivity.
• Production Kubernetes at scale, including day-2 operations (upgrades, capacity, security, multi-cluster).
• Infrastructure-as-code and automation as a default working style (Terraform, Ansible; scripting in Python/Go/Bash).
• Demonstrable, practical use of AI tooling to improve engineering or operational workflows.

Responsibilities

• Design, build, and operate infrastructure across AWS and Azure with on-prem understanding.
• Own core networking design and implementation across cloud environments.
• Engineer for high availability with multi-region/AZ architectures and disaster recovery planning.
• Build and maintain infrastructure-as-code, CI/CD pipelines, and Kubernetes platforms as products.

Skills

AWS

Azure

Kubernetes

Networking

IaC

Python

Go

Bash

SRE

AI tooling

Education

Bachelor's degree in CS or related field

Tools

Terraform

Ansible

Git

CI/CD

Job description

Trayport is hiring a Principal Platform Engineer to be a senior technical anchor in our Platform/Operations function. This 70% hands-on role designs, builds, and operates the infrastructure that keeps our global trading platform running, while mentoring the wider team.

In addition to cloud engineering, you’ll lead AI adoption within operations, driving incident response automation and reducing toil, while also shaping the reliability and SRE practices across the department.