IT Systems Administrator

SUMMARY:
Join as an IT Systems Administrator and take charge of mission‑critical infrastructure. From server optimisation and network uptime to security hardening and automation, you’ll be the backbone ensuring stability, resilience, and innovation across dynamic environments.

POSITION INFO:
Key Responsibilities:

• Infrastructure & Systems Management
• Administer Linux server environments (Ubuntu, CentOS, RHEL) and virtualization layers (KVM/VMware).
• Manage user lifecycle in LDAP and Google Workspace (accounts, groups, permissions).
• Oversee SAN/NAS storage backups and perform test restores.
• Monitor system health, CPU/RAM usage, and storage thresholds.
• Support Google Workspace tenancy (shared drives, mail flow, security settings).

• Network Administration
• Maintain uptime for LAN, WAN, and VPN tunnels.
• Assist with racking, stacking, and configuring switches, routers, and firewalls.
• Manage VLANs, DHCP, and IP address allocations.
• Monitor traffic patterns and enforce wireless security protocols.

• Security & Compliance
• Execute automated patching schedules for Linux servers and critical infrastructure.
• Remediate vulnerabilities, enforce MFA, and support security audits.

• Documentation
• Maintain updated network and server topology diagrams.
• Create runbooks for recurring backend tasks (e.g., VM provisioning).
• Keep accurate change logs for production environments.

• Weekend Standby Rotation
• Provide remote support for critical incidents.
• Escalate complex issues to senior IT staff.
• Ensure timely resolution and maintain communication logs.

• IT Diploma or equivalent in Network/System Administration.
• 3–5 years in backend technical roles.
• Strong experience with Linux servers, virtualization, and SAN/NAS storage.
• Solid understanding of OSI model, TCP/IP, and firewall traffic flows.
• Familiarity with endpoint, application, and infrastructure security tools.
• Basic scripting with Bash or Python advantageous.