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Networks & Systems Administration jobs in Sydney NSW

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Data Center IT Operations Technician, Data Center Operations

Sydney NSW 2000•Full time

~$70k - $90k(Estimated)

KEY POINTS WE FOUND

Serve as a senior technical escalation point for the operations team
Maintain a high level of system reliability by prioritising and resolving trouble tickets efficiently
Participate in and deliver on high-impact small to mid-scale projects

IT Server Administrator

Tetra Tech Coffey

North Sydney NSW 2060•Full time

~$80k - $120k(Estimated)

KEY POINTS WE FOUND

Join a high-performing APAC IT team supporting enterprise infrastructure across Australia, New Zealand and Asia.
Manage and maintain enterprise servers, ensuring optimal uptime and reliability.
Lead infrastructure improvements and cloud initiatives that support thousands of users.

Network Development Engineer, Network Core

Sydney NSW 2000•Full time

~$100k - $150k(Estimated)

KEY POINTS WE FOUND

Join a diverse team of engineers and specialists to support AWS infrastructure.
Build, deploy, and scale Amazon networks across global datacenters.
Drive innovation and maintain high standards for network performance and reliability.

Network Operations Engineer – Contract

Sydney NSW•Contract

~$100k - $150k(Estimated)

KEY POINTS WE FOUND

Responsible for network and security infrastructure supporting trading operations in APAC.
Collaborate with teams to optimize network reliability and performance.
Manage and support complex international LAN/WAN and security environments.

Facility Operations Center Eng, Facility Operations Center (FOC)

Sydney NSW 2000•Full time

~$90k - $120k(Estimated)

KEY POINTS WE FOUND

Monitor the global data center facilities infrastructure platform.
Serve as a Point of Contact for internal and external teams.
Assist with the development of communication and escalation protocols.

Global Network Manager

Sydney NSW•Full time

~$176k - $339k(Estimated)

KEY POINTS WE FOUND

Manage a small team of technical staff across Australia and the UK.
Provide strategic guidance and technical support for global WAN, LAN, Security, and telephony.
Contribute to project delivery and network optimization through automation.

NETWORK ENGINEER

Mantech International Systems Recruitment

Sydney NSW•Full time

~$120k - $150k(Estimated)

KEY POINTS WE FOUND

Maintain and optimise HPC cluster networking environments for enterprise customers.
Manage public cloud network integrations and private interconnects, including AWS Direct Connect and Azure ExpressRoute.
Design and implement high-availability and redundant network configurations.

Senior Network Engineer - Field Services & Customer Operations

NEC Corporation

Sydney NSW 2000•Full time

~$90k - $120k(Estimated)

KEY POINTS WE FOUND

Provide onsite and remote support for network, wireless and security services.
Investigate and resolve connectivity, switching, VLAN and firewall-related incidents.
Assist with Palo Alto firewall operations, troubleshooting and monitoring.

IT Systems Administrator

Rooty Hill NSW 2766•Full time

~$80k - $100k(Estimated)

KEY POINTS WE FOUND

Administer and maintain server, virtualisation, storage and backup infrastructure.
Provide Level 2 and Level 3 technical support for infrastructure-related issues.
Manage Microsoft 365, Active Directory, Entra ID and associated identity services.

Systems Administrator - Minto, South-West Sydney

Minto NSW 2566•Full time

~$90k - $120k(Estimated)

KEY POINTS WE FOUND

Maintain and enhance IT infrastructure for optimal performance.
Provide expert-level support for complex technical issues.
Manage and implement Microsoft cloud technologies and software integrations.

Data Center Operations Manager - APJC, Network and Cabling Decom

Sydney NSW 2000•Full time

~$120k - $150k(Estimated)

KEY POINTS WE FOUND

Lead team to safely decommission network racks and cables across all data centres in the APJC region.
Drive planning, design, and implementation of decommissioning activities while ensuring safety and efficiency.
Manage and develop a team of decommissioning engineers and technicians, participating in recruitment and training.

Global Network Manager Sydney

Sydney NSW•Full time

~$178k - $328k(Estimated)

KEY POINTS WE FOUND

Manage a small team of technical staff across Australia and the UK.
Provide strategic guidance and technical support for global WAN, LAN, Security, and telephony.
Contribute to project delivery and network optimization through automation.