Computer Network and Systems Engineer

Location: Sydney, NSW
Employment Type: Full-time
Salary: $95,000 per annum plus superannuation, depending on experience and qualifications
Work Arrangement: Office-based, onsite and customer-site support

About the Role

The successful candidate will take responsibility for the configuration, operational readiness, performance and reliability of network and system services. The role involves hands-on implementation, systems administration, network engineering, complex troubleshooting and infrastructure improvement projects.

The position requires travel to customer locations across Sydney and, occasionally, other locations as required.

Key Responsibilities

• Plan, design, deploy, test and optimise network and system infrastructure.
• Install, configure and administer servers, operating systems, virtual environments and business applications.
• Configure and support routers, switches, firewalls, wireless access points, VPNs and related network equipment.
• Administer Microsoft Windows Server, Active Directory, Microsoft Entra ID and Microsoft 365 environments.
• Manage DNS, DHCP, TCP/IP, VLANs, routing, switching, LAN, WAN and Wi-Fi services.
• Monitor network and system availability, performance, capacity and security.
• Diagnose and resolve complex network, server, infrastructure and connectivity issues.
• Manage system and network configuration standards, documentation and change controls.
• Perform operating-system upgrades, security patching, software deployments and infrastructure maintenance.
• Support backup, disaster recovery, business continuity and system-recovery processes.
• Implement and maintain endpoint-management and security solutions, including Microsoft Intune and antivirus platforms.
• Conduct fault finding, root-cause analysis and corrective-action planning.
• Identify recurring technical issues and recommend improvements to network and system architecture.
• Prepare network diagrams, configuration documents, implementation plans and technical procedures.
• Participate in network upgrades, cloud migrations, office relocations and infrastructure deployment projects.
• Coordinate technical activities with customers, vendors, telecommunications providers and internal support teams.
• Maintain accurate records of incidents, changes, configurations, assets and completed work.
• Ensure services are delivered in accordance with agreed service levels, security requirements and customer standards.
• Provide onsite and remote technical support when required.
• Participate in scheduled after-hours work for critical upgrades or infrastructure changes when necessary.

Required Skills and Experience

• Demonstrated experience in network engineering, systems administration or infrastructure engineering.
• Strong experience supporting Microsoft Windows Server and Windows desktop environments.
• Practical experience with Microsoft 365, Exchange Online, Active Directory and Microsoft Entra ID.
• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, VPNs, routing, switching, LAN, WAN and wireless networking.
• Experience configuring and troubleshooting switches, routers, firewalls and wireless infrastructure.
• Experience with virtualisation platforms such as VMware or Microsoft Hyper-V.
• Knowledge of backup, disaster recovery, monitoring and endpoint-management solutions.
• Strong troubleshooting, fault-finding and root-cause-analysis skills.
• Experience using IT service-management platforms such as Jira Service Management, ServiceNow or similar.
• Ability to prepare clear technical documentation, network diagrams and implementation plans.
• Strong communication, customer-service and stakeholder-management skills.
• Ability to work independently and manage multiple technical priorities.
• Willingness to travel to customer locations as required.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Network Engineering, Telecommunications or a related discipline; or
• An equivalent combination of relevant qualifications and professional experience.

Desirable Certifications

• Cisco CCNA or CCNP
• Microsoft Azure or Microsoft 365 certification
• Fortinet, Aruba, Juniper or equivalent vendor certification
• CompTIA Network+ or Security+
• ITIL Foundation

What We Offer

• Competitive salary package plus superannuation.
• Exposure to a wide range of customer environments and technologies.
• Opportunities to work on network, cloud and infrastructure projects.
• Professional development and technical training.
• Supportive and collaborative working environment.
• Career growth within an expanding international IT services organisation.

How to Apply

Please submit your resume and a brief cover letter outlining:

• Your network and systems engineering experience
• Your relevant technical qualifications and certifications
• Your current Australian work rights
• Your availability to commence employment