GCP DevOps Engineer (GKE, mTLS & Networking) - London OR Manchester OR Bristol (Hybrid) - IR35

Title: GCP DevOps Engineer (GKE, mTLS & Networking)

Location: Manchester OR London OR Bristol (Hybrid - 2x-3x days a week onsite is needed)

Duration: 6 months + Extension (Long term project)

THIS PROJECT IS INSIDE IR35

DevOps Engineer - GCP/GKE

We are looking for an experienced DevOps Engineer with strong hands on experience across GCP, GKE, Kubernetes, networking, TLS/mTLS, Terraform, CI/CD, Linux, monitoring and live system troubleshooting.

The role will involve working closely with development teams to support application delivery, troubleshoot complex platform and application issues, manage secure configuration and build reliable CI/CD pipelines.

Key Responsibilities

• Troubleshoot live systems across GCP, GKE, Kubernetes, networking, ingress/egress traffic, and application configuration
• Support secure application communication using TLS, mTLS, PKI, certificates, and secrets
• Work with GKE and kubectl to investigate and resolve issues across running applications
• Safely apply Kubernetes configuration changes, including ConfigMaps, Secrets, deployment manifests, init containers, HPA, and PDB
• Develop and use Terraform modules to apply infrastructure changes in GCP
• Build and support CI/CD pipelines using Jenkins and/or Azure DevOps
• Use GitHub and command-line Git to collaborate with developers, make/revert code changes, and support webhooks
• Configure and troubleshoot Istio, including CRDs, traffic flow, and TLS/mTLS
• Monitor and investigate issues using Dynatrace and GCP logs
• Write and maintain automation scripts using Bash, Python, and Ansible
• Work closely with development teams across the SDLC to support application builds, deployments, and troubleshooting

Required Skills & Experience

• Strong hands-on experience with GCP, including core components, Firewall concepts, database connectivity, log tracing, and ingress/egress troubleshooting
• Strong experience with GKE, Kubernetes, and kubectl
• Experience troubleshooting complex Kubernetes application configuration issues
• Strong understanding of networking and traffic flow
• Strong knowledge of TLS, PKI, certificate management, TLS/mTLS, and secure application communication
• Strong Bash Scripting experience
• Python Scripting experience
• Strong Linux command-line experience
• Experience with Terraform, including developing and using modules in GCP
• Strong command-line Git and GitHub experience
• Hands-on experience building CI/CD pipelines from scratch using Jenkins and/or Azure DevOps
• Good understanding or hands-on experience with Harness
• Experience with Istio, including CRDs, traffic routing, and TLS/mTLS configuration
• Monitoring, alerting, and logging experience, ideally with Dynatrace and GCP logs
• Experience writing or understanding Ansible playbooks and scripts
• Strong troubleshooting, analytical, and problem-solving skills
• Experience working closely with development teams across the SDLC

Desirable Skills

• Understanding of Internal Developer Platform/IDP concepts
• Java application experience, ideally Spring Boot or Quarkus
• Familiarity with Gradle
• Familiarity with Node.js and ReactJS applications
• Experience integrating testing and security tools into CI/CD pipelines
• Exposure to tools such as Cucumber BDD, ZAP, Gatling, LoadRunner, RestAssured, Burp Suite, SonarQube, Aqua Sec, Nexus IQ, Axe, and Playwright