Senior GCP DevOps Engineer: Kubernetes & Security

Test Triangle Ltd; Leeds; On-site; GBP 90,000 - 130,000; Full time

Job summary

Leeds, United Kingdom is seeking a Senior Cloud Engineer to lead hands-on cloud platform work on Google Cloud Platform (GCP). You will architect, deploy, and secure Kubernetes clusters, drive multitenant workloads, and implement robust CI/CD pipelines within a cloud-native environment.

Key focus areas include Istio service mesh, OPA Gatekeeper policies, IaC with Terraform, and GitOps workflows. Strong security, networking, and automation skills are essential for this role.

Qualifications

• Extensive experience in DevOps or Site Reliability Engineering (SRE) roles across consumer or SaaS environments.
• Strong expertise in deploying and managing production-grade Kubernetes clusters and containerised services.
• Hands-on experience with Kubernetes and Containers in live, high-availability environments.
• Proven experience designing and implementing CI/CD pipelines for automated build, test, and deployment workflows.
• Proficiency in Python, Go, and Bash for automation and tooling.
• Ability to take ownership of engineering initiatives and drive them to completion.
• Strong experience developing and managing Infrastructure as Code (IaC) using Terraform.
• Exposure to managing the full product lifecycle of cloud-native core services.
• Hands-on experience with GCP infrastructure and services.
• Deep understanding of cloud networking concepts such as Hybrid Connectivity, VPN, NAT, IPAM, DNS, and routing.
• Strong knowledge of cloud security including KMS, PKI, encryption standards, and least-privilege access.
• Experience with Service Mesh technologies such as Istio or Anthos for secure service-to-service communication and observability.
• Competence in managing Istio telemetry, sidecar injection, and enforcing mTLS.
• Experience with Anthos Config Management, GitOps-driven provisioning, and Backstage GitOps workflows.
• Understanding of shared Kubernetes services such as CoreDNS, cert-manager, Dynatrace, Cloudability, and Infoblox.
• Familiarity with OPA Gatekeeper for policy enforcement and tenant isolation.

Responsibilities

• Architect, implement, and maintain highly resilient, scalable, and secure Kubernetes environments on GCP.
• Engineer and optimise Kubernetes infrastructure to support multitenant workloads, ensuring robust isolation, resource efficiency, and operational scalability.
• Design and enforce strong security controls, including OPA Gatekeeper policies, fine-grained RBAC, mTLS enforcement, and secure service mesh configurations.
• Build, maintain, and enhance CI/CD pipelines enabling automated testing, seamless deployments, and continuous integration.
• Diagnose and resolve complex system-level issues related to performance, scalability, networking, and automation.
• Collaborate with cross-functional teams to deliver cloud-native solutions aligned with engineering best practices and business goals.

Skills

Kubernetes (GKE)

GCP

Istio

CI/CD

Python

Go

Bash

Terraform

GitOps

mTLS

OPA Gatekeeper

Service Mesh

Security

Linux

Automation

Tools

Kubernetes (k8s)

Terraform

Anthos

Istio

Backstage GitOps

Dynatrace

Prometheus

OpenTelemetry

Harness CI/CD

CoreDNS

cert-manager

Git

Job description

Leeds, United Kingdom is seeking a Senior Cloud Engineer to lead hands-on cloud platform work on Google Cloud Platform (GCP). You will architect, deploy, and secure Kubernetes clusters, drive multitenant workloads, and implement robust CI/CD pipelines within a cloud-native environment.

Key focus areas include Istio service mesh, OPA Gatekeeper policies, IaC with Terraform, and GitOps workflows. Strong security, networking, and automation skills are essential for this role.