About this role
Roles & Responsibilities: Install, configure, and maintain Red Hat Enterprise Linux (RHEL) systems across environments Design and manage highly available and resilient Linux infrastructure Perform advanced system administration including kernel tuning, patching, and upgrades Automate system provisioning, configuration, and deployment using tools like Ansible Monitor system performance, troubleshoot issues, and ensure optimal uptime Implement and enforce system security (SELinux, firewalls, access control, hardening) Manage storage (LVM, NFS, SAN) and file systems Administer user access, authentication (LDAP/AD integration), and identity management Work with DevOps and cloud teams on hybrid/cloud infrastructure (Azure, AWS, GCP) Maintain backup and disaster recovery processes Ensure compliance with security standards (ISO, SOC2, CIS benchmarks) Create and maintain documentation, SOPs, and system architecture diagrams Mentor junior administrators and provide technical leadership Professional & Technical Skills: Bachelor's degree in Computer Science, IT, or related field 8+ years of hands-on experience in Linux system administration Strong expertise in Red Hat Enterprise Linux (RHEL 7/8/9) Deep knowledge of: Linux internals (process management, memory, file systems) Shell scripting (Bash) and automation System performance tuning and troubleshooting Experience with: Configuration management tools (Ansible must, Terraform) Monitoring tools (Nagios, Zabbix, Prometheus, Grafana) Virtualization (VMware/KVM) Strong knowledge of networking fundamentals (TCP/IP, DNS, NTP, SSH) *OS hardening *Patch management and vulnerability remediation *SSH hardening and access control Preferred Certifications Red Hat Certified Engineer (RHCE) (must) Red Hat Certified System Administrator (RHCSA) (preferred) Red Hat Certified Architect (RHCA) (highly desirable)