Senior/Staff Platform Engineer

FIS; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

Fidelity Information Services, LLC is seeking a Platform Engineer to build and operate multi-region Kubernetes infrastructure powering an AI-enabled, autonomous banking platform for Tier-1 financial institutions. You will own GitOps delivery, observability, disaster recovery, zero-trust security, and AI-driven SRE automation, shipping directly to production at enterprise scale.

The role requires deep Kubernetes expertise (EKS/GKE/AKS), Terraform, Flux/ArgoCD, Kafka, and distributed SQL

Qualifications

• Deep Kubernetes experience (EKS/GKE/AKS) and operator/CRD familiarity.
• Proficiency in Terraform with multi-cloud deployments and GitOps tooling (Flux or ArgoCD).
• Experience with Kafka or event streaming and distributed SQL databases.
• Proficient in Go or Rust; AI-accelerated development is a plus.

Responsibilities

• Infrastructure & Architecture: Build and scale multi-region Kubernetes infrastructure (EKS/GKE/AKS) for five-nines workloads.
• Architecture: Architect active-active distributed systems.
• GitOps: Implement Terraform, Helm, and GitOps (Flux) across cloud and hybrid environments.
• Resiliency: Own DR, failover, backup/restore, and multi-region resiliency.
• Security: Drive zero-trust security, identity, multi-tenant isolation, and cryptographic audit trails.
• Observability: Build and maintain stacks using Prometheus, Grafana, Loki, and OpenTelemetry.
• AI-SRE: Lead AI-driven automation: auto-remediation, incident insights, and AI-based root cause analysis.
• Deployment: Support on-prem and air-gapped deployments and legacy integrations.
• Mentoring/Coaching: share knowledge and promote engineering best practices across the organization.

Skills

Kubernetes

Terraform

GitOps

Kafka

Go

Rust

Prometheus

Grafana

OpenTelemetry

Zero-Trust Security

Hybrid Cloud

Tools

Flux

ArgoCD

Terraform

Prometheus

Grafana

OpenTelemetry

Job description

ROLE SUMMARY

Sits within a newly acquired startup building an AI-enabled, autonomous banking platform for Tier-1 financial institutions within the banking group. The Platform Engineer builds and operates the multi-region Kubernetes infrastructure that powers the platform at five-nines availability, owning GitOps delivery, observability, disaster recovery, zero-trust security, and AI-driven SRE automation. Ships directly into production environments at the world’s largest banks.

KEY RESPONSIBILITIES

Infrastructure & Architecture

• Infrastructure: Build and scale multi-region Kubernetes infrastructure (EKS/GKE/AKS) for five-nines workloads.

• Architecture: Architect active-active distributed systems.

• GitOps: Implement Terraform, Helm, and GitOps (Flux) across cloud and hybrid environments.

Reliability & Security

• Resiliency: Own DR, failover, backup/restore, and multi-region resiliency.

• Security: Drive zero-trust security, identity, multi-tenant isolation, and cryptographic audit trails.

• Observability: Build and maintain stacks using Prometheus, Grafana, Loki, and OpenTelemetry.

AI & Operations

• AI-SRE: Lead AI-driven automation: auto-remediation, incident insights, and AI-based root cause analysis.

• Deployment: Support on-prem and air-gapped deployments and legacy integrations.

• Contribute to team excellence through knowledge sharing, mentoring, and coaching, helping to develop technical capability and promote engineering best practices across the organization

REQUIRED EXPERIENCE & CAPABILITIES

Technical Expertise

• Deep Kubernetes experience (EKS/GKE/AKS; operators/CRDs a bonus).

• Terraform (multi-cloud). GitOps tooling: Flux or ArgoCD.

• Kafka / event streaming. Distributed SQL databases.

• Language: Go, Rust, or similar (AI-accelerated development welcome).

Cloud & Reliability

• Prometheus, Grafana, and OpenTelemetry observability stack experience.

• DR, HA, and Zero-Trust architecture design and ownership.

Operating Style

• Strong ownership mindset across the full infrastructure lifecycle.

• Comfortable operating in hybrid cloud and regulated environments.

• AI-native engineer: integrates LLMs and agentic workflows into daily engineering practice.

IMPACT & SCOPE

• Direct impact on core banking platforms used by Tier-1 global institutions.

• High autonomy and accountability within a small, senior team.

• Work shipped directly to production environments at enterprise scale.

WHY THIS ROLE

This role offers the autonomy, ownership, and technical depth of a startup, combined with the scale, stability, and long-term impact of FIS. Engineers in this role shape foundational banking infrastructure while operating with clear accountability, enterprise resources, and real-world production responsibility.

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

#pridepass