Senior DevOps Engineer

Coredge; Dadri; On-site; INR 1,000,000 - 1,500,000; Full time

Job summary

Coredge is seeking a highly skilled Senior DevOps Engineer with 4-5 years of experience in managing on-premises Kubernetes environments. The role includes deploying, operating, and troubleshooting Kubernetes clusters for high availability and performance of production systems.

The ideal candidate will have strong expertise in Linux system administration, experience with monitoring tools like Prometheus and Grafana, and scripting skills. A bachelor's degree in computer science or related field is required.

Qualifications

• 4-5 years of experience in a DevOps / SRE / Production Support role.
• Strong expertise in Linux system administration.
• Hands-on experience with on-prem Kubernetes clusters.

Responsibilities

• Administer and support Linux-based systems in production environments.
• Deploy, manage, and troubleshoot applications running on Linux.
• Deploy, configure, and maintain on-premises Kubernetes clusters.

Skills

Linux system administration

Kubernetes deployment and troubleshooting

Prometheus

Grafana

Automation and scripting (Shell, Python, Ansible)

Incident response

Education

Bachelor’s degree in computer science, IT, or related field

Tools

ARGO CD

ARGO Workflows

Job description

We are seeking a highly skilled and motivated Senior DevOps Engineer to join our team. The ideal candidate will have 4-5 years of DevOps experience with a strong focus on on- premises or self-managed Kubernetes environments. This role involves deploying, operating, monitoring, and troubleshooting Kubernetes clusters and Linux infrastructure to ensure high availability, reliability, and performance of production systems.

Key Responsibilities

• Administer and support Linux-based systems in production environments.
• Deploy, manage, and troubleshoot applications running on Linux.
• Perform root cause analysis for OS-level issues to maintain high availability and performance.
• Ensure system stability, security hardening, and performance tuning.
• Deploy, configure, and maintain on-premises or self-managed Kubernetes clusters (bare metal or VM-based).
• Troubleshoot Kubernetes issues related to: Pod scheduling, networking, and storage, Cluster components and service failures, Application deployment and scaling
• Debug containerized workloads and ensure reliable rollouts.
• Manage Kubernetes resources such as Deployments, Services, ConfigMaps, Secrets, and CronJobs.
• Work with ARGO CD / ARGO Workflows for Kubernetes-native application delivery and workflows (mandatory).
• Monitoring & Observability – Must Have:
• Implement and maintain Prometheus and Grafana for infrastructure and application monitoring.
• Create and manage real-time Grafana dashboards for cluster health, application metrics, and alerts.
• Analyze monitoring data to proactively identify and resolve performance and reliability issues.
• Support incident response using observability tools.
• Automation & CronJobs:
• Configure and manage Kubernetes CronJobs and Linux-based scheduled tasks.
• Troubleshoot failed or delayed automation jobs.
• Improve operational efficiency through scripting and automation.
• Develop automation using Shell, Python, or Ansible.
• Platform / Portal Exposure (Good to Have):
• Gain working knowledge of Horizon / platform portals used for infrastructure or operational visibility.
• Monitor and track infrastructure health and incidents using internal portals.
• Utilize portals for operational insights and incident management.
• Cloud Awareness (Limited / Supporting Role):
• Understand basic cloud computing concepts and architectures.
• Provide support or troubleshooting for cloud-related dependencies when required.
• Note: This role is primarily focused on on-prem Kubernetes, not public cloud operations

Key Requirements

• Bachelor’s degree in computer science, IT, or a related field (or equivalent hands‑on experience).
• 4–5 years of experience in a DevOps / SRE / Production Support role.
• Strong expertise in Linux system administration.
• Hands‑on experience with on-prem, self‑managed, or unmanaged Kubernetes clusters.
• Proven ability to deploy, debug, and troubleshoot Kubernetes environments.
• Strong experience with Prometheus and Grafana.
• Mandatory exposure to ARGO CD / ARGO Workflows.
• Experience with automation and scripting (Shell, Python, Ansible).
• Ability to handle production incidents independently.
• Excellent troubleshooting, analytical, and communication skills.

Preferred Qualifications

• Kubernetes certifications such as CKA or CKAD.
• Experience with CI/CD pipelines integrated with Kubernetes.
• Exposure to container security, RBAC, and cluster hardening.
• Experience supporting high‑availability on‑prem infrastructure