Jobs → Design → Red Hat Linux Administrator

About the Role We are looking for an experienced Red Hat Linux Administrator with strong expertise in RHEL administration, Apache Tomcat, security hardening, and enterprise platform operations. Key Responsibilities • Red Hat Enterprise Linux (RHEL) administration — physical and virtual servers • Apache Tomcat cluster installation, configuration, optimization, and support • SSL/TLS, certificate authorities, and certificate lifecycle management • LDAP, Single Sign-On (SSO), authentication, and authorization • OS and middleware security hardening, patching, and vulnerability remediation • High Availability (HA) and Disaster Recovery (DR) architecture • Advanced troubleshooting and root cause analysis • CI/CD pipelines and deployment tools — Jenkins, Control-M • Monitoring, logging, alerting, and platform operations • SAN storage concepts and enterprise storage platforms • SDLC, change management, and release governance • Participation in a 24/7 on-call rotation Requirements • Strong expertise in RHEL administration • Experience with Apache Tomcat cluster management • Knowledge of SSL/TLS and certificate lifecycle management • Understanding of LDAP, SSO, authentication, and authorization • Experience with OS and middleware security hardening • Familiarity with HA and DR architecture • Advanced troubleshooting and root cause analysis skills • Experience with CI/CD pipelines and tools like Jenkins, Control-M • Knowledge of monitoring, logging, and alerting systems • Understanding of SAN storage and enterprise storage platforms • Experience with SDLC, change management, and release governance • Ability to participate in a 24/7 on-call rotation