Senior DevOps/Platform Engineer

LinkGroup is hiring for a Senior DevOps / Platform Engineer to support a cloud migration programme involving Kubernetes-based applications and production-grade environments across Azure and AWS.

• 5+ years of hands-on experience in DevOps, platform engineering, cloud infrastructure, or similar roles.
• Practical experience with Kubernetes-based application migrations and production cloud environments.
• Strong knowledge of Kubernetes, Docker, Helm and/or Kustomize.
• Experience with container image management, Kubernetes RBAC, service accounts, ingress controllers, workload troubleshooting, and production cluster operations.
• Strong hands-on experience with AWS services used for Kubernetes workloads including EKS, IAM, IRSA, VPC networking, security groups, load balancers, Route 53, CloudWatch, Secrets Manager / Parameter Store, S3, RDS, EFS, and image registries such as JFrog.
• Solid Azure experience, especially with AKS, Azure DevOps, Azure Container Registry, Azure networking, identity, Key Vault, Azure Monitor, and Log Analytics.
• Expert-level Terraform experience including reusable modules, remote state, environment separation, refactoring, and migration patterns.
• Expert-level experience with GitHub Actions.
• Strong understanding of cloud and Kubernetes networking including VNet/VPC, DNS, TLS, ingress/egress, firewalls, private connectivity, load balancing, service discovery, and connectivity testing.
• Strong security mindset including least privilege, secrets management, workload identity, Kubernetes security practices, container image scanning, and audit/compliance support.
• Experience with observability and troubleshooting using CloudWatch, Azure Monitor, Log Analytics, Prometheus, Grafana, OpenTelemetry, logs, metrics, traces, dashboards, and alerts.
• Scripting skills in Python and/or Bash for automation, validation, runbooks, and pipeline support.

Additional requirement for selected positions:

• Experience with JupyterHub / JupyterLab including deployment and operation at scale on Kubernetes, preferably AWS EKS.
• Experience with JupyterHub Helm chart, spawner and authenticator customization including OAuth2/OIDC, persistent user storage configuration, resource quotas and autoscaling, GPU or compute-intensive notebook workloads, integration with cloud services such as S3, EFS, IAM/IRSA, and multi-tenant administration, user environment management, and observability of notebook workloads.

Nice to have:

• Experience with AKS to EKS migration.
• Experience migrating Azure DevOps YAML pipelines to GitHub Actions.
• Experience with JupyterHub / JupyterLab.
• Experience with large-scale platform migrations involving applications, infrastructure, pipelines, data, storage, and observability.

• Support and execute migration of Kubernetes-based applications and platform services across cloud environments.
• Design, build, refactor, and maintain infrastructure using Terraform across Azure and AWS.
• Work with Kubernetes workloads: deployments, Helm/Kustomize, RBAC, service accounts, ingress, troubleshooting, and operational support.
• Build and maintain CI/CD workflows using GitHub Actions.
• Support cloud networking and connectivity topics across Azure, AWS, and on-premises environments.
• Implement and validate secure access patterns, secrets management, workload identity, and least-privilege permissions.
• Plan and support data/storage migration activities, including backup/restore, validation, cutover, and rollback scenarios.
• Migrate or rebuild monitoring, logging, alerting, and dashboards across cloud-native and Kubernetes environments.
• Automate migration tasks, validation checks, runbooks, and operational processes using scripting.
• Collaborate with application, platform, security, and infrastructure teams to ensure smooth delivery.