Kubernetes Application Support Engineer

Kubernetes Application Support Engineer

Location: New York, NY (Hybrid – 3 days onsite)

Position Description

Job Summary

We are seeking a skilled Kubernetes Application Support Engineer to manage, monitor, troubleshoot, and optimize containerized applications running on Kubernetes clusters. The ideal candidate will have strong hands-on experience in container orchestration, cloud platforms, CI/CD pipelines, and production support processes.

Key Responsibilities

• Provide L2/L3 production support for containerized applications running on Kubernetes.
• Monitor cluster and application health using Prometheus, Grafana, and the ELK stack.
• Troubleshoot application, pod, node, and networking issues within Kubernetes environments.
• Manage deployments using Helm charts, Argo CD, or CI/CD pipelines.
• Perform root cause analysis (RCA) for incidents and implement preventive measures.
• Collaborate with DevOps and development teams to ensure release management and environment stability.
• Manage scaling, resource optimization, and workload performance tuning.
• Handle Kubernetes upgrades, patching, and cluster maintenance.
• Implement and maintain security best practices (RBAC, Network Policies, Secrets management).
• Maintain documentation, runbooks, and SOPs for ongoing operations.

Required Skills & Qualifications

Technical Skills

• Strong hands-on experience with Kubernetes (K8s) architecture and components.
• Experience with Docker and containerization concepts.
• Knowledge of cloud platforms such as:
• Microsoft Azure (AKS)
• Google Cloud (GKE)
• Experience with CI/CD tools: Jenkins, GitLab CI, or GitHub Actions.
• Familiarity with Infrastructure as Code (IaC): Terraform, CloudFormation.
• Solid understanding of Linux system administration.
• Knowledge of networking concepts including Ingress, Services, DNS, and Load Balancers.
• Experience with monitoring and logging tools:
• Prometheus
• Grafana
• Elasticsearch / Kibana

Soft Skills

• Strong analytical and troubleshooting abilities.
• Excellent communication and stakeholder management skills.
• Willingness to participate in 24/7 support rotations if required.
• Familiarity with ITIL-based incident and change management processes.