The Linux System Administrator is responsible for day-to-day administration, maintenance, and support of Linux-based systems. This role focuses on system stability, patching, monitoring, and incident resolution while following established standards and procedures.

- Install, configure, and maintain Linux servers (RHEL/Ubuntu/Rocky/CentOS), both physical and virtual. 2.

Manage core services: SSH, DNS, DHCP, NTP, LDAP/SSSD, postfix, NFS/SMB, systemd, and cron management.

- Apply patches and kernel updates; maintain package repos (yum/dnf/apt).
- Monitor system health and performance (top, iostat, sar, vmstat, netstat; or via Prometheus/Zabbix).
- Implement backup/restore routines (e.g., Veeam/Bacula/NetBackup); test recoveries.
- Manage storage (LVM, mdadm RAID, multipath, iSCSI/FC) and filesystems (ext4/xfs/btrfs).
- Harden hosts per baseline (CIS/STIG), firewall rules (iptables/nftables/firewalld), SELinux/AppArmor.
- Write basic automation/scripts (Shell script; optionally Python, Ansible playbook) for routine tasks.
- Respond to incidents; perform root cause analysis; document runbooks and SOPs.




- Support users/dev teams with environments, permissions, and troubleshooting.

Required Skills 1. Solid understanding of Linux OS fundamentals. 2.

Experience with systemd, networking, storage, and filesystems.

- Package management, log analysis (journalctl, syslog).
- Storage and filesystem management; backup fundamentals.
- Familiarity with monitoring tools (i.e. Nagios) 6. Basic virtualization (VMware/KVM/Nutanix) and/or container basics (Docker).
- Basic scripting skills (Shell script); version control (Git). 8.

Understanding of security best practices: SSH keys, PAM, auditing (auditd).

- Ability to follow procedures and work under supervision. Educational background and Working Experience 1. Bachelor's degree in Computer Science, IT, or related field (or equivalent experience). 2. 3-5 years administering Linux(Rocky/RHEL/Ubuntu) in production. 3.

Certifications (nice-to-have): Red Hat RHCSA, CompTIA Linux+, LPIC-1.

Salary Range CAD $75000-$100,000

📌 Linux System Administrator (London)
🏢 Hyve Solutions
📍 London