Senior Platform Engineer — AI-Driven Banking Infra

Fidelity Information Services, LLC; Greater London; On-site; GBP 120,000 - 150,000; Full time

Job summary

Fidelity Information Services, LLC in London is building an AI-enabled, autonomous banking platform for Tier-1 institutions. The Platform Engineer will design and operate multi-region Kubernetes infrastructure, own GitOps delivery, observability, DR, zero-trust security, and AI-driven SRE automation, shipping into production at scale.

You will work in a small, senior team with strong enterprise resources, operating across hybrid cloud environments and direct production responsibility for core

Qualifications

• Deep Kubernetes experience (EKS/GKE/AKS) with operators/CRDs a bonus.
• Terraform (multi-cloud). GitOps tooling Flux or ArgoCD.
• Kafka / event streaming. Distributed SQL databases.
• Go, Rust, or similar languages (AI-accelerated development welcome).

Responsibilities

• Build and scale multi-region Kubernetes infrastructure for five-nines workloads.
• Architect active-active distributed systems.
• Implement Terraform, Helm, and GitOps across cloud and hybrid environments.
• Own DR, failover, backup/restore, and multi-region resiliency.
• Drive zero-trust security, identity, multi-tenant isolation, and cryptographic audit trails.
• Lead AI-driven automation, auto-remediation, incident insights, and root-cause analysis.
• Support on-prem and air-gapped deployments and legacy integrations.
• Mentor and promote engineering best practices across the organization.

Skills

Go

Rust

Kafka

Distributed SQL databases

AI-accelerated development

Observability

Ownership mindset

Tools

Kubernetes

Terraform

Flux

ArgoCD

Prometheus

Grafana

OpenTelemetry

Job description

Fidelity Information Services, LLC in London is building an AI-enabled, autonomous banking platform for Tier-1 institutions. The Platform Engineer will design and operate multi-region Kubernetes infrastructure, own GitOps delivery, observability, DR, zero-trust security, and AI-driven SRE automation, shipping into production at scale.

You will work in a small, senior team with strong enterprise resources, operating across hybrid cloud environments and direct production responsibility for core