Senior Certified Redhat Engineer

Senior Red Hat RHCE Engineer – Technical Specification
Core Certifications & Experience
Red Hat Certified Engineer (RHCE) – current and valid
7–10+ years of enterprise Linux system administration
5+ years hands-on experience with Red Hat Enterprise Linux (RHEL 7/8/9)
Experience operating in large-scale, production, mission-critical environments
Operating Systems & Core Linux Expertise
Advanced administration of Red Hat Enterprise Linux (RHEL)
Kernel tuning, performance optimization, and troubleshooting
System boot process (GRUB2, systemd) configuration and recovery
Filesystem management (XFS, ext4, LVM, multipath)
User, group, and permission management (ACLs, sudo, PAM)
Package management using YUM/DNF and RPM
Networking
TCP/IP, DNS, DHCP, NTP, HTTP/HTTPS fundamentals
Network configuration and troubleshooting (nmcli, iproute2)
Firewall configuration using firewalld and iptables/nftables
SELinux configuration, tuning, and troubleshootin...