Senior Technical Support Officer Locations: Penrith NSW 2750 /Bradfield NSW 2556 (Hybrid) Hourly Rate: $91.35 super ( Working Hours: 7-hour days, 35-hour week) Contract: 6-months with possible extensions About the Role We are seeking an experienced Senior Technical Support Officer to provide high-level operational and technical support across IT and Operational Technology (OT) environments. This is a hybrid role with a mix of onsite and remote work, supporting both Penrith and Bradfield locations. Key Responsibilities Provide operational support for Windows Server environments , including monitoring, patching, troubleshooting, and escalation to ensure system availability, performance, and security. Perform networking triage and fault isolation across LAN, WAN, and wireless networks, coordinating with internal teams, IT Managed Service Providers (MSPs)and vendors. Support Operational Technology (OT) systems , coordinating patching and maintenance for manufacturing and industrial environments while minimizing operational disruption. Coordinate with vendors and IT MSPs to manage third-party platforms and services , including incidents, escalations, service restorations, and remediation in line with agreed service levels. Apply cybersecurity best practices across IT and OT environments, supporting secure configuration, vulnerability remediation, and compliance with security policies, standards, and control frameworks. Key Requirements Proven experience in Windows Server administration and IT support in enterprise environments. Strong knowledge of networking concepts (LAN/WAN/Wi-Fi) and troubleshooting methodologies. Experience supporting Operational Technology (OT) systems is highly desirable. Familiarity with vendor and MSP coordination , including incident and service management. Solid understanding of cybersecurity principles , secure configurations, and vulnerability remediation. Ability to work independently and in a hybrid team environment. Please submit your application for this role. For more information, please contact sjain@quayappointments.com.au
