Senior IT Systems Administrator

Lead the implementation of LAN, WAN, and Firewall architectures (Australia) that meet capacity, redundancy, and security requirements. Experience with Aruba Routers, Checkpoint Firewalls and Cisco switching is desirable. Provide level 1 and 2, network infrastructure support as part of a global operational team. Oversee day to day administration of Windows Server, Hypervisors, and cloud services. Support enterprise backup/recovery platforms and support, supporting DR testing. Implement and maintain security baselines (DISP, ISO 27001) across servers, endpoints, and network devices. Support vulnerability scans, patch management, and remediation works. Coordinate with international teams on SIEM, endpoint detection & response (EDR), and incident response. Lead medium size IT projects (e.g., Network infrastructure rollout, Application rollout). Provide level 2 and 3 support of remote offices and personnel in Australia including frequent (average approximately once a month) travel to Australian offices and annually to Germany.