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What You Will Own: Linux Infrastructure Operations; Full lifecycle administration of ~222 Linux servers; Kubernetes / OpenShift Platform Ownership; Security & Hardening; Incident Response & Production Stability; Modernization & Automation; UNIX & OS/400 (IBM) Support
Job Responsibility:
Full lifecycle administration of ~222 Linux servers (production, QA, development)
OS upgrades, patch management, and kernel updates
Performance monitoring and system tuning (CPU, memory, disk I/O, network)
User access management and authentication integrations (LDAP/AD)
Backup validation and disaster recovery readiness
Deploy, administer, and support Kubernetes/OpenShift clusters across environments
Manage cluster lifecycle: installation, upgrades, patching, and scaling
Configure and maintain: Namespaces, RBAC, and security policies