Linux & Kubernetes Administrator

Title: Linux & Kubernetes Administrator
Location: Bengaluru
Exp: 8-12 Years

Job Description:
Key Responsibilities
Linux Infrastructure Administration
Install configure administer and support Red Hat Enterprise Linux (RHEL) Ubuntu SUSE Linux and other enterprise Linux distributions.
Manage system lifecycle activities including provisioning patching upgrades hardening and decommissioning.
Monitor system health availability resource utilization and performance metrics.
Manage user administration access controls and privilege management.
Container Platform Administration
Deploy administer and support container platforms including Kubernetes OpenShift Docker Enterprise Rancher and container runtime environments.
Manage Kubernetes clusters across development testing and production environments.
Configure and maintain Namespaces Pods StatefulSets Deployments Services Ingress Controllers and Persistent Volumes.
Ensure container platform availability scalability and performance.
Cloud-Native Platform Management
Support hybrid and multi-cloud containerized workloads running on client private cloud & Sovereign cloud environments.
Implement cloud-native operational best practices for containerized applications.
Manage container registries image repositories and artifact management solutions.
Support microservices-based application deployments.
Support AI/ML GPU and high-performance computing infrastructure.
Support GPU/ AI environment
Platform Reliability & Performance Management
Identify and resolve Linux and container platform performance issues.
Conduct root cause analysis (RCA) for production incidents.
Perform proactive health checks capacity planning and resource optimization.
Implement monitoring and alerting for infrastructure and container workloads.
Security & Compliance
Implement Linux OS hardening as per CIS STIG and organizational standards.
Manage vulnerability remediation and security patching.
Configure security policies for Kubernetes and OpenShift environments.
Implement container image scanning compliance monitoring and runtime protection.
Ensure compliance with ISO 27001 PCI-DSS SOC2 and organizational governance requirements.
Automation & DevOps Enablement
Develop automation scripts using Shell Scripting Python Ansible and PowerShell where applicable.
Implement Infrastructure as Code (IaC) using Terraform Ansible and GitOps methodologies.
Support CI/CD pipelines integrated with Kubernetes and container platforms.
Drive operational automation and service reliability improvements.
Backup Recovery & Business Continuity
Implement backup and recovery procedures for Linux and containerized platforms.
Support disaster recovery planning and testing.
Ensure platform resilience and adherence to RPO/RTO commitments.
Participate in business continuity and disaster recovery exercises.
Monitoring & Observability
Administer enterprise monitoring solutions such as Prometheus Grafana ELK Splunk Dynatrace AppDynamics and Zabbix.
Configure dashboards alerts and operational reporting.
Analyze trends and recommend performance improvements.
Support observability initiatives across cloud-native platforms.
Stakeholder & Service Management
Participate in Incident Problem Change and Release Management activities.
Collaborate with Application DevOps Cloud Engineering Security and Infrastructure teams.
Support audits compliance reviews and customer governance meetings.
Mentor junior administrators and provide technical leadership.

Qualifications and Experience:

EDUCATIONAL QUALIFICATIONS: (degree training or certification required)
BE/B-Tech or equivalent with Computer Science or Electronics & Communication
RELEVANT EXPERIENCE: (no. of years of technical functional and/or leadership experience or specific exposure required)
Minimum 8-12 years of experience in Linux System Administration.
Minimum 5 years of hands-on experience supporting Kubernetes/OpenShift platforms in production environments.
Experience managing large-scale enterprise and cloud-native environments.
Strong exposure to container orchestration technologies.
Experience supporting mission-critical 24x7 managed services operations.
Experience in DevOps CI/CD Infrastructure as Code and automation frameworks.
Understanding of SRE principles and platform reliability engineering practices.
Scripting knowledge in Python Bash or PowerShell.