IT Systems Support Engineer
Description
About the role
We're looking for an engineer with a solid Microsoft infrastructure background and hands-on networking and firewall experience. The role combines technical support, infrastructure administration and project implementation across multiple client environments. You'll work with Windows infrastructure, Microsoft 365, Azure, firewalls, switches and network connectivity. You'll troubleshoot server issues, investigate VPN failures and configure firewall policies, taking ownership of issues through to resolution. Experienced infrastructure and networking engineers will support you with complex escalations and project delivery.
Key responsibilities
Resolve incidents across Windows Server, Active Directory, DNS, DHCP, Group Policy, Microsoft 365, Entra ID, Exchange Online and Intune.
Support Hyper-V, VMware and Azure-hosted virtual machines, networking and infrastructure services.
Configure and troubleshoot FortiGate firewalls, including policies, NAT, static routing and site-to-site IPsec VPNs.
Configure managed switches, including VLAN tagging, trunk ports, access ports and network segmentation, and support SD-WAN and multi-site connectivity.
Diagnose LAN, WAN and internet connectivity issues using firewall logs, packet captures, routing tables and network diagnostic tools.
Perform maintenance, patching, backup checks and proactive monitoring, and support endpoint security.
Assist senior engineers with technical design and implementation of infrastructure, cloud and network projects, including deployments, upgrades and site migrations.
Investigate root causes, escalate when needed and maintain documentation, configuration records and network diagrams.
Communicate clearly with clients and coordinate with internet providers, vendors and other technical teams.
About you
3+ years in IT infrastructure or systems engineering, ideally in an MSP.
Experience in IT infrastructure support or systems administration, with the ability to independently troubleshoot and resolve infrastructure issues.
Strong experience with Windows Server and Active Directory, including troubleshooting DNS, DHCP, Group Policy and authentication issues.
Working knowledge of Microsoft 365, Entra ID and Exchange Online.
Experience with Hyper-V or VMware, and familiarity with backups, monitoring and patch management.
Hands-on experience configuring and administering business-grade firewalls.
Solid knowledge of TCP/IP, subnetting, VLANs, Layer 2 switching, Layer 3 routing, firewall policies, NAT, access control and site-to-site IPsec VPNs.
Experience using network diagnostic tools, logs and packet captures to investigate problems.
A methodical approach to troubleshooting and clear communication with clients and colleagues.
Why join Inlight IT
Certification support: We back your certifications and the study behind them, so your skills keep pace with the work.
Career progression: Take on more responsibility as you grow, with a clear path into senior or specialist engineering roles.
Learn from experienced engineers: Work alongside senior infrastructure and network engineers who'll share the hard problems and show you how they're solved.
Varied project work: Infrastructure upgrades, site migrations, firewall deployments and cloud projects across a broad mix of client environments.
About us
Inlight IT is a Sydney-based Managed Services Provider specialising in secure IT infrastructure, networking, cloud technologies and managed IT services. We support diverse business environments across Australia, delivering practical, reliable and secure technology solutions. We're an engineering-focused team that values technical expertise, problem-solving and taking ownership of client outcomes.