Platform Engineer

Job Description

Join the Future of Technology with ZILO™

At ZILO™, we’re redefining what’s possible in technology. ZILO™ is the UK-based FinTech specialising in global asset and wealth management software, designed to scale and transform businesses of all types using our own developed AI Technology. Our mission is to digitalise the future of global asset management industry.

We are a team of experts with decades of combined experience at leading firms globally, who thrive in fast-paced environments and want to shape the future of digital finance. Every individual plays a key role in driving progress and making a real impact. We continuously strive to innovate and improve.

Why work with us? At ZILO™, you’ll be part of a dynamic and inclusive environment where creativity thrives. We offer the opportunity to work on cutting-edge technology, collaborate with talented individuals, and contribute to projects that have a real-world impact. We value continuous learning, personal growth, and providing our team with the resources they need to succeed.

Ready to shape the future? Let’s talk.

We’re looking for a Platform Engineer to help build, operate, and improve a GitOps-driven blockchain platform running on AWS and Kubernetes. The role sits between infrastructure engineering, platform operations, and delivery enablement, with day-to-day work spanning Terraform, EKS, Argo CD, Helm-based application delivery, CI/CD, observability, and secure environment promotion across multiple environments

You’ll work on a platform that supports blockchain workloads and surrounding services including Besu, Hyperledger FireFly, Prometheus/Grafana, and supporting AWS networking and identity components.

This role is hybrid and will require regular weekly attendance at our London office (2 - 3 days per week).

Core Responsibilities

• Build and maintain AWS infrastructure using Terraform.

• Support and evolve EKS-based Kubernetes platforms across multiple environments.

• Manage application delivery through Argo CD and GitOps workflows.

• Work with Helm and Kustomize overlays to deploy and promote platform services.

• Operate and improve core platform components such as:

  • Argo CD
  • External Secrets
  • cert-manager
  • Vault
  • Prometheus/Grafana
  • metrics-server

• Support blockchain platform services including:

  • Hyperledger Besu

• Maintain secure connectivity, IAM roles, ECR-based artifact delivery, ingress, DNS, TLS, and environment-specific configuration.

• Contribute to CI/CD and automation using GitHub Actions and shell scripting.

• Diagnose platform issues across cloud infrastructure, Kubernetes workloads, Argo sync state, networking, secrets, and service integrations.

• Help drive safe promotion of changes across release branches

• Collaborate with engineers to keep changes small, reviewable, reproducible, and aligned with GitOps and infrastructure-as-code practices.

• Produce runbooks, operational notes, and platform documentation where needed.

• Provision and maintain cloud resources such as:

  • VPCs, subnets, routing, Transit Gateway attachments
  • IAM roles and policies
  • KMS and secrets integrations
  • RDS-backed platform dependencies
  • EKS clusters and supporting access patterns

• Define and manage Kubernetes applications and environment overlays in Git.

• Ensure workloads are deployed using private AWS ECR registries and approved artifact sources.

• Improve reliability, repeatability, and security of deployment pipelines.

• Support release engineering and branch-based promotion controls.

• Participate in incident response, troubleshooting, and operational improvement work.

• Validate infrastructure and platform changes before promotion and production rollout.

• Commercial experience as a Platform Engineer, DevOps Engineer, SRE, or Infrastructure Engineer.

• Strong hands-on experience with AWS.

• Good working knowledge of Kubernetes administration and troubleshooting.

• Experience with Amazon EKS.

• Experience writing and maintaining Terraform.

• Experience with Helm and Kubernetes manifests.

• Experience with Argo CD or similar GitOps tooling.

• Experience with GitHub Actions or equivalent CI/CD tooling.

• Strong Linux and shell scripting skills.

• Familiarity with:

  • IAM and cloud security practices
  • ingress and TLS management
  • DNS and certificate automation
  • secrets management patterns
  • observability stacks such as Prometheus and Grafana

• Comfortable debugging issues across infrastructure, Kubernetes, networking, and deployment pipelines.

Desirable Experience

• Experience with Hyperledger Besu or blockchain infrastructure.

• Experience supporting multi-environment release promotion models.

• Experience working in strongly controlled GitOps environments where all persistent changes flow through PRs.

• Enhanced leave - 38 days inclusive of 8 UK Public Holidays

• Private Health Care including family cover

• Life Assurance – 5x salary

• Employee Assistance Program

• Company Pension (Salary Sacrifice options available)

• Access to training and development

• Buy and Sell holiday scheme

• The opportunity for “work from anywhere/global mobility”