Senior Docker Kubernetes Specialist Needed for Cloud Infrastructure Overhaul

Keystone Digital

Contract · Remote · Flexible hours

About the role

Keystone Digital is enhancing a multi-tenant B2B product with advanced container orchestration. We need a Docker Kubernetes Specialist to design, implement, and fine‑tune the deployment pipeline that serves multiple customers securely and efficiently.

Key responsibilities

• Architect and deploy scalable Kubernetes clusters for multi‑tenant isolation.
• Containerize micro‑services, manage Helm charts, and automate rollouts.
• Implement CI/CD workflows that integrate security scanning and resource quotas.
• Monitor cluster health, troubleshoot performance bottlenecks, and optimize cost.
• Collaborate with product and QA teams to ensure feature parity across tenants.

Must-have skills

• 5+ years of hands‑on Docker and Kubernetes in production.
• Deep knowledge of multi‑tenant networking, RBAC, and namespace strategies.
• Proficiency with Helm, GitOps, and CI/CD tools (Jenkins, GitLab CI, or Argo CD).
• Experience scripting with Bash/Python for automation.

Nice to have

• Familiarity with service meshes (Istio, Linkerd).
• Background in cloud platforms (AWS, GCP, Azure).
• Understanding of observability stacks (Prometheus, Grafana).